diff --git a/algebricks/algebricks-common/pom.xml b/algebricks/algebricks-common/pom.xml
index 7b86e09..2c1b8fa 100644
--- a/algebricks/algebricks-common/pom.xml
+++ b/algebricks/algebricks-common/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-common</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,7 +49,7 @@
   </build>
   <dependencies>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-api</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksAbsolutePartitionConstraint.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksAbsolutePartitionConstraint.java
index 39f3550..82d1cc2 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksAbsolutePartitionConstraint.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksAbsolutePartitionConstraint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.constraints;
+package org.apache.hyracks.algebricks.common.constraints;
 
 public class AlgebricksAbsolutePartitionConstraint extends AlgebricksPartitionConstraint {
     private final String[] locations;
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksCountPartitionConstraint.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksCountPartitionConstraint.java
index dd62f47..55777d1 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksCountPartitionConstraint.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksCountPartitionConstraint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.constraints;
+package org.apache.hyracks.algebricks.common.constraints;
 
 public class AlgebricksCountPartitionConstraint extends AlgebricksPartitionConstraint {
 
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraint.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraint.java
index a458451..a164429 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraint.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.constraints;
+package org.apache.hyracks.algebricks.common.constraints;
 
 public abstract class AlgebricksPartitionConstraint {
     public enum PartitionConstraintType {
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraintHelper.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraintHelper.java
index 8ad27b1..39a3f7e 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraintHelper.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/constraints/AlgebricksPartitionConstraintHelper.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.constraints;
+package org.apache.hyracks.algebricks.common.constraints;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class AlgebricksPartitionConstraintHelper {
 
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/AlgebricksException.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/AlgebricksException.java
index 6f39167..191fc36 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/AlgebricksException.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/AlgebricksException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.exceptions;
+package org.apache.hyracks.algebricks.common.exceptions;
 
 public class AlgebricksException extends Exception {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/NotImplementedException.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/NotImplementedException.java
index cc0c975..9d0341f 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/NotImplementedException.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/exceptions/NotImplementedException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.exceptions;
+package org.apache.hyracks.algebricks.common.exceptions;
 
 public class NotImplementedException extends RuntimeException {
     private static final long serialVersionUID = 2L;
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/ListSet.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/ListSet.java
index f4ed6c1..5fb7d21 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/ListSet.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/ListSet.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.utils;
+package org.apache.hyracks.algebricks.common.utils;
 
 import java.util.ArrayList;
 import java.util.Collection;
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Pair.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Pair.java
index e8ba583..a792c9e 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Pair.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Pair.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.utils;
+package org.apache.hyracks.algebricks.common.utils;
 
 import java.io.Serializable;
 
diff --git a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Triple.java b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Triple.java
index fe76c4a..1e80447 100644
--- a/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Triple.java
+++ b/algebricks/algebricks-common/src/main/java/org/apache/hyracks/algebricks/common/utils/Triple.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.common.utils;
+package org.apache.hyracks.algebricks.common.utils;
 
 public class Triple<T1, T2, T3> {
     public T1 first;
diff --git a/algebricks/algebricks-compiler/pom.xml b/algebricks/algebricks-compiler/pom.xml
index 63d2469..6e12b52 100644
--- a/algebricks/algebricks-compiler/pom.xml
+++ b/algebricks/algebricks-compiler/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-compiler</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,12 +49,12 @@
   </build>
   <dependencies>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-rewriter</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-core</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java
index 3d92d68..9f1492d 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/AbstractCompilerFactoryBuilder.java
@@ -12,32 +12,32 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.api;
+package org.apache.hyracks.algebricks.compiler.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFamilyProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.ISerializerDeserializerProvider;
-import edu.uci.ics.hyracks.algebricks.data.ITypeTraitProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFamilyProvider;
+import org.apache.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
+import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
 
 public abstract class AbstractCompilerFactoryBuilder {
 
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java
index 26dc343..cea333c 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/HeuristicCompilerFactoryBuilder.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.api;
+package org.apache.hyracks.algebricks.compiler.api;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.AlgebricksOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
-import edu.uci.ics.hyracks.api.job.IJobletEventListenerFactory;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.PlanCompiler;
+import org.apache.hyracks.algebricks.core.rewriter.base.AlgebricksOptimizationContext;
+import org.apache.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer;
+import org.apache.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.api.job.IJobletEventListenerFactory;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class HeuristicCompilerFactoryBuilder extends AbstractCompilerFactoryBuilder {
 
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompiler.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompiler.java
index 436be40..3c2d6e0 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompiler.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompiler.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.api;
+package org.apache.hyracks.algebricks.compiler.api;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.job.IJobletEventListenerFactory;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.job.IJobletEventListenerFactory;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public interface ICompiler {
     public void optimize() throws AlgebricksException;
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java
index 66f3b81..883b0f7 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/api/ICompilerFactory.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.api;
+package org.apache.hyracks.algebricks.compiler.api;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public interface ICompilerFactory {
     ICompiler createCompiler(ILogicalPlan plan, IMetadataProvider<?, ?> metadata, int varCounter);
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/PrioritizedRuleController.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/PrioritizedRuleController.java
index 2062c5f..13a1cdf 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/PrioritizedRuleController.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/PrioritizedRuleController.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.rewriter.rulecontrollers;
+package org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers;
 
 import java.util.Collection;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * 
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialFixpointRuleController.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialFixpointRuleController.java
index 2f65c8a..415a8b9 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialFixpointRuleController.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialFixpointRuleController.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.rewriter.rulecontrollers;
+package org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers;
 
 import java.util.Collection;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Runs rules sequentially (round-robin), until one iteration over all rules
diff --git a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialOnceRuleController.java b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialOnceRuleController.java
index 0f8ec80..d43d3eb 100644
--- a/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialOnceRuleController.java
+++ b/algebricks/algebricks-compiler/src/main/java/org/apache/hyracks/algebricks/compiler/rewriter/rulecontrollers/SequentialOnceRuleController.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.compiler.rewriter.rulecontrollers;
+package org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers;
 
 import java.util.Collection;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class SequentialOnceRuleController extends AbstractRuleController {
 
diff --git a/algebricks/algebricks-core/pom.xml b/algebricks/algebricks-core/pom.xml
index b547776..aac1d47 100644
--- a/algebricks/algebricks-core/pom.xml
+++ b/algebricks/algebricks-core/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-core</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,27 +49,27 @@
   </build>
   <dependencies>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-storage-am-btree</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-storage-am-rtree</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-dataflow-std</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-runtime</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-common</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java
index 3dd4704..1b1547c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/Counter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 public class Counter {
     private int counter = 0;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/EquivalenceClass.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/EquivalenceClass.java
index ab95c9c..1e5cd48 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/EquivalenceClass.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/EquivalenceClass.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
 
 public final class EquivalenceClass {
     private Set<ILogicalExpression> expressionMembers = new ListSet<ILogicalExpression>();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IHyracksJobBuilder.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IHyracksJobBuilder.java
index 4e341e4..61b0e5a 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IHyracksJobBuilder.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IHyracksJobBuilder.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public interface IHyracksJobBuilder {
     public enum TargetConstraint {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java
index c4ae9bc..a748262 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalExpression.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 import java.util.Collection;
 import java.util.List;
@@ -20,9 +20,9 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 public interface ILogicalExpression {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalOperator.java
index d91cac0..e9aa2bb 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalOperator.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 import java.util.List;
 import java.util.Map;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
 
 public interface ILogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlan.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlan.java
index 6db8f8d..9726284 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlan.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlan.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 import java.util.List;
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlanAndMetadata.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlanAndMetadata.java
index 06f619b..efcc05a 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlanAndMetadata.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/ILogicalPlanAndMetadata.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public interface ILogicalPlanAndMetadata {
     public ILogicalPlan getPlan();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java
index 9b9273a..0c32349 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IOptimizationContext.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableEvalSizeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableEvalSizeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
 
 public interface IOptimizationContext extends ITypingContext {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IPhysicalOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IPhysicalOperator.java
index dafe300..e44545a 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IPhysicalOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/IPhysicalOperator.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
 
 public interface IPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalExpressionTag.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalExpressionTag.java
index 83bc702..f0a9a24 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalExpressionTag.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalExpressionTag.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 public enum LogicalExpressionTag {
     FUNCTION_CALL, VARIABLE, CONSTANT
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java
index 9ddd927..6de3fd3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 public enum LogicalOperatorTag {
     AGGREGATE,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalVariable.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalVariable.java
index 07596b1..4ac9e1b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalVariable.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/LogicalVariable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 /**
  * Represents a logical variable in an asterix logical plan.
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java
index 251edca..dcd14ed 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/OperatorAnnotations.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 public interface OperatorAnnotations {
     // hints
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java
index 0c9e89a..fb5402c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.base;
+package org.apache.hyracks.algebricks.core.algebra.base;
 
 public enum PhysicalOperatorTag {
     AGGREGATE,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractFunctionCallExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractFunctionCallExpression.java
index 1792641..d3c7252 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractFunctionCallExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractFunctionCallExpression.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -24,14 +24,14 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
 
 public abstract class AbstractFunctionCallExpression extends AbstractLogicalExpression {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractLogicalExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractLogicalExpression.java
index 2718076..98aca35 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractLogicalExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AbstractLogicalExpression.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.Collection;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
 
 public abstract class AbstractLogicalExpression implements ILogicalExpression {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AggregateFunctionCallExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AggregateFunctionCallExpression.java
index 154618b..4471776 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AggregateFunctionCallExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/AggregateFunctionCallExpression.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 /**
  * 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java
index a29bd46..bdb2197 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/BroadcastExpressionAnnotation.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 public class BroadcastExpressionAnnotation implements IExpressionAnnotation {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java
index 1a3fe47..45af140 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ConstantExpression.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -21,11 +21,11 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 public final class ConstantExpression extends AbstractLogicalExpression {
     private IAlgebricksConstantValue value;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ExpressionAnnotationNoCopyImpl.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ExpressionAnnotationNoCopyImpl.java
index 975014d..dc3244b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ExpressionAnnotationNoCopyImpl.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ExpressionAnnotationNoCopyImpl.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 public class ExpressionAnnotationNoCopyImpl implements IExpressionAnnotation {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IAlgebricksConstantValue.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IAlgebricksConstantValue.java
index a12b8f2..ea4a808 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IAlgebricksConstantValue.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IAlgebricksConstantValue.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 public interface IAlgebricksConstantValue {
     public boolean isNull();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionAnnotation.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionAnnotation.java
index fa2a6f4..f4d45d8 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionAnnotation.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionAnnotation.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 public interface IExpressionAnnotation {
     public Object getObject();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionEvalSizeComputer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionEvalSizeComputer.java
index 24befcc..4a99051 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionEvalSizeComputer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionEvalSizeComputer.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 
 public interface IExpressionEvalSizeComputer {
     // size in bytes, or -1 if unknown
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionRuntimeProvider.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionRuntimeProvider.java
index f44cd29..ff98b78 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionRuntimeProvider.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionRuntimeProvider.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
 
 public interface IExpressionRuntimeProvider {
     public IScalarEvaluatorFactory createEvaluatorFactory(ILogicalExpression expr, IVariableTypeEnvironment env,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionTypeComputer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionTypeComputer.java
index 87c5ade..f1e0bb2 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionTypeComputer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IExpressionTypeComputer.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public interface IExpressionTypeComputer {
     public Object getType(ILogicalExpression expr, IMetadataProvider<?, ?> metadataProvider,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ILogicalExpressionJobGen.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ILogicalExpressionJobGen.java
index 83e36b2..beca13c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ILogicalExpressionJobGen.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ILogicalExpressionJobGen.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyUnnestingFunctionFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.runtime.base.ICopyAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyUnnestingFunctionFactory;
 
 public interface ILogicalExpressionJobGen {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IMergeAggregationExpressionFactory.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IMergeAggregationExpressionFactory.java
index 6a6989d..53df355 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IMergeAggregationExpressionFactory.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IMergeAggregationExpressionFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IMergeAggregationExpressionFactory {
     ILogicalExpression createMergeAggregation(LogicalVariable originalAggVariable, ILogicalExpression expr, IOptimizationContext env)
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/INullableTypeComputer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/INullableTypeComputer.java
index d3f6d19..24a3818 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/INullableTypeComputer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/INullableTypeComputer.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 
 public interface INullableTypeComputer {
     public Object makeNullableType(Object type) throws AlgebricksException;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IPartialAggregationTypeComputer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IPartialAggregationTypeComputer.java
index 4d9fe38..f942998 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IPartialAggregationTypeComputer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IPartialAggregationTypeComputer.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public interface IPartialAggregationTypeComputer {
     public Object getType(ILogicalExpression expr, IVariableTypeEnvironment env,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableEvalSizeEnvironment.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableEvalSizeEnvironment.java
index 351f4a2..fc7823b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableEvalSizeEnvironment.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableEvalSizeEnvironment.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IVariableEvalSizeEnvironment {
     // size in bytes or -1 if unknown
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableTypeEnvironment.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableTypeEnvironment.java
index 8bcc575..7e04eb3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableTypeEnvironment.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IVariableTypeEnvironment.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IVariableTypeEnvironment {
     public Object getVarType(LogicalVariable var) throws AlgebricksException;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IndexedNLJoinExpressionAnnotation.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IndexedNLJoinExpressionAnnotation.java
index 97a3f9a..f759b2f 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IndexedNLJoinExpressionAnnotation.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/IndexedNLJoinExpressionAnnotation.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 public class IndexedNLJoinExpressionAnnotation implements IExpressionAnnotation {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/LogicalExpressionJobGenToExpressionRuntimeProviderAdapter.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/LogicalExpressionJobGenToExpressionRuntimeProviderAdapter.java
index 4241146..5225be1 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/LogicalExpressionJobGenToExpressionRuntimeProviderAdapter.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/LogicalExpressionJobGenToExpressionRuntimeProviderAdapter.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyAggregateFunction;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunction;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyUnnestingFunction;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyUnnestingFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyAggregateFunction;
+import org.apache.hyracks.algebricks.runtime.base.ICopyAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunction;
+import org.apache.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyUnnestingFunction;
+import org.apache.hyracks.algebricks.runtime.base.ICopyUnnestingFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class LogicalExpressionJobGenToExpressionRuntimeProviderAdapter implements IExpressionRuntimeProvider {
     private final ILogicalExpressionJobGen lejg;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ScalarFunctionCallExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ScalarFunctionCallExpression.java
index 81f3dab..04dd7a8 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ScalarFunctionCallExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/ScalarFunctionCallExpression.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 public class ScalarFunctionCallExpression extends AbstractFunctionCallExpression {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/StatefulFunctionCallExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/StatefulFunctionCallExpression.java
index 63a5d1a..c1298fa 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/StatefulFunctionCallExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/StatefulFunctionCallExpression.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPropertiesComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPropertiesComputer;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 public class StatefulFunctionCallExpression extends AbstractFunctionCallExpression {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/UnnestingFunctionCallExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/UnnestingFunctionCallExpression.java
index 562e8a1..cbe620b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/UnnestingFunctionCallExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/UnnestingFunctionCallExpression.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 public class UnnestingFunctionCallExpression extends AbstractFunctionCallExpression {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/VariableReferenceExpression.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/VariableReferenceExpression.java
index 0ab1443..acb710a 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/VariableReferenceExpression.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/expressions/VariableReferenceExpression.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;
+package org.apache.hyracks.algebricks.core.algebra.expressions;
 
 import java.util.Collection;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 public class VariableReferenceExpression extends AbstractLogicalExpression {
     private int tupleRef;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AbstractFunctionInfo.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AbstractFunctionInfo.java
index b1d6ec6..1596cee 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AbstractFunctionInfo.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AbstractFunctionInfo.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.functions;
+package org.apache.hyracks.algebricks.core.algebra.functions;
 
 import java.io.Serializable;
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AlgebricksBuiltinFunctions.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AlgebricksBuiltinFunctions.java
index 5d75c5c..cd5f799 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AlgebricksBuiltinFunctions.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/AlgebricksBuiltinFunctions.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.functions;
+package org.apache.hyracks.algebricks.core.algebra.functions;
 
 import java.util.HashMap;
 import java.util.Map;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/FunctionIdentifier.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/FunctionIdentifier.java
index 7f812f3..7a10587 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/FunctionIdentifier.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/FunctionIdentifier.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.functions;
+package org.apache.hyracks.algebricks.core.algebra.functions;
 
 import java.io.Serializable;
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/IFunctionInfo.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/IFunctionInfo.java
index 02cd6de..5b0b2a2 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/IFunctionInfo.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/functions/IFunctionInfo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.functions;
+package org.apache.hyracks.algebricks.core.algebra.functions;
 
 public interface IFunctionInfo {
     FunctionIdentifier getFunctionIdentifier();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSink.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSink.java
index a7b7bc5..b7f6177 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSink.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSink.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.metadata;
+package org.apache.hyracks.algebricks.core.algebra.metadata;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
 
 public interface IDataSink {
     public Object getId();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSource.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSource.java
index ed5cb4b..3fd6dc3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSource.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSource.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.metadata;
+package org.apache.hyracks.algebricks.core.algebra.metadata;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
 
 public interface IDataSource<T> {
     public T getId();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourceIndex.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourceIndex.java
index 20a2dcf..c1060ca 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourceIndex.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourceIndex.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.metadata;
+package org.apache.hyracks.algebricks.core.algebra.metadata;
 
 public interface IDataSourceIndex<I, T> {
     public I getId();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourcePropertiesProvider.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourcePropertiesProvider.java
index 3ae1e31..7e29dac 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourcePropertiesProvider.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IDataSourcePropertiesProvider.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.metadata;
+package org.apache.hyracks.algebricks.core.algebra.metadata;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
 
 public interface IDataSourcePropertiesProvider {
     public IPhysicalPropertiesVector computePropertiesVector(List<LogicalVariable> scanVariables);
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
index c71b352..247274c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.metadata;
+package org.apache.hyracks.algebricks.core.algebra.metadata;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public interface IMetadataProvider<S, I> {
     public IDataSource<S> findDataSource(S id) throws AlgebricksException;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractAssignOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractAssignOperator.java
index 687025a..3ed9ab6 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractAssignOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractAssignOperator.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
 
 /**
  * @author Nicola
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractBinaryJoinOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractBinaryJoinOperator.java
index 6c00412..56f28e3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractBinaryJoinOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractBinaryJoinOperator.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
 
 public abstract class AbstractBinaryJoinOperator extends AbstractLogicalOperator {
     protected final Mutable<ILogicalExpression> condition;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java
index 85660e2..fa9a467 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractDataSourceOperator.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractScanOperator;
 
 import java.util.List;
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractExtensibleLogicalOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractExtensibleLogicalOperator.java
index 2b3c60a..3e79938 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractExtensibleLogicalOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractExtensibleLogicalOperator.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
 
 /**
  * @author rico
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractLogicalOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractLogicalOperator.java
index 528ae4e..d20cfde 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractLogicalOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractLogicalOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -21,22 +21,22 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
 
 public abstract class AbstractLogicalOperator implements ILogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractOperatorWithNestedPlans.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractOperatorWithNestedPlans.java
index 417c959..b44b810 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractOperatorWithNestedPlans.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractOperatorWithNestedPlans.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -21,9 +21,9 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public abstract class AbstractOperatorWithNestedPlans extends AbstractLogicalOperator {
     protected final List<ILogicalPlan> nestedPlans;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java
index e18fbfb..011f4af 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractScanOperator.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
 
 public abstract class AbstractScanOperator extends AbstractLogicalOperator {
     protected List<LogicalVariable> variables;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestOperator.java
index fdc827f..26ce435 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AbstractUnnestOperator.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
 
 public abstract class AbstractUnnestOperator extends AbstractScanOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AggregateOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AggregateOperator.java
index 371da4c..7e33fba 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AggregateOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AggregateOperator.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class AggregateOperator extends AbstractAssignOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AssignOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AssignOperator.java
index 9a8c428..6cf878d 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AssignOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AssignOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.List;
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 /**
  * It corresponds to the Map operator in other algebras.
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java
index ff21478..6fa6a2c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DataSourceScanOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -20,16 +20,16 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class DataSourceScanOperator extends AbstractDataSourceOperator {
     private List<LogicalVariable> projectVars;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistinctOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistinctOperator.java
index 3d8c4b6..400ebb3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistinctOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistinctOperator.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class DistinctOperator extends AbstractLogicalOperator {
     private final List<Mutable<ILogicalExpression>> expressions;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistributeResultOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistributeResultOperator.java
index 3e28d73..caa23eb 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistributeResultOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/DistributeResultOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class DistributeResultOperator extends AbstractLogicalOperator {
     private List<Mutable<ILogicalExpression>> expressions;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/EmptyTupleSourceOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/EmptyTupleSourceOperator.java
index 7d16ed1..46cdcbf 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/EmptyTupleSourceOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/EmptyTupleSourceOperator.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class EmptyTupleSourceOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExchangeOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExchangeOperator.java
index a3c2650..4932f6f 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExchangeOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExchangeOperator.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class ExchangeOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExtensionOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExtensionOperator.java
index bdf6f1c..fcf669e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExtensionOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExtensionOperator.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 /**
  * @author rico
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExternalDataLookupOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExternalDataLookupOperator.java
index 4737cfc..88f9bfe 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExternalDataLookupOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ExternalDataLookupOperator.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class ExternalDataLookupOperator extends AbstractDataSourceOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/GroupByOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/GroupByOperator.java
index a5b7074..949cd8e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/GroupByOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/GroupByOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -21,24 +21,24 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class GroupByOperator extends AbstractOperatorWithNestedPlans {
     // If the LogicalVariable in a pair is null, it means that the GroupBy is
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorExtension.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorExtension.java
index 94b4252..334f5e5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorExtension.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorExtension.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.Collection;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
 
 /**
  * @author rico
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorSchema.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorSchema.java
index 4e50f4f..e7f678c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorSchema.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IOperatorSchema.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IOperatorSchema extends Iterable<LogicalVariable> {
     public void addAllVariables(IOperatorSchema source);
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IndexInsertDeleteOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IndexInsertDeleteOperator.java
index c58215e..0f41f45 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IndexInsertDeleteOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/IndexInsertDeleteOperator.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class IndexInsertDeleteOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InnerJoinOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InnerJoinOperator.java
index e0a2cf1..cbda427 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InnerJoinOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InnerJoinOperator.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class InnerJoinOperator extends AbstractBinaryJoinOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InsertDeleteOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InsertDeleteOperator.java
index 134506c..0367eb8 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InsertDeleteOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/InsertDeleteOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class InsertDeleteOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LeftOuterJoinOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LeftOuterJoinOperator.java
index 1504039..f48bf38 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LeftOuterJoinOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LeftOuterJoinOperator.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class LeftOuterJoinOperator extends AbstractBinaryJoinOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LimitOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LimitOperator.java
index 79145f4..a8ba289 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LimitOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/LimitOperator.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class LimitOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/MaterializeOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/MaterializeOperator.java
index 5cecf07..d6e47e3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/MaterializeOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/MaterializeOperator.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class MaterializeOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/NestedTupleSourceOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/NestedTupleSourceOperator.java
index f6f62b6..cabb7bd 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/NestedTupleSourceOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/NestedTupleSourceOperator.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class NestedTupleSourceOperator extends AbstractLogicalOperator {
     private Mutable<ILogicalOperator> dataSourceReference;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/OrderOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/OrderOperator.java
index 335fb36..98a94ee 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/OrderOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/OrderOperator.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class OrderOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/PartitioningSplitOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/PartitioningSplitOperator.java
index a6c8f6f..1e07ac7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/PartitioningSplitOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/PartitioningSplitOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.PartitioningSplitOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.runtime.operators.std.PartitioningSplitOperatorDescriptor;
 
 /**
  * Partitions it's input based on a given list of expressions.
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ProjectOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ProjectOperator.java
index bcba280..ca793cd 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ProjectOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ProjectOperator.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FilteredVariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.FilteredVariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class ProjectOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ReplicateOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ReplicateOperator.java
index 2c5bd54..a90d765 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ReplicateOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ReplicateOperator.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class ReplicateOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/RunningAggregateOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/RunningAggregateOperator.java
index 4f608bb..d14c151 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/RunningAggregateOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/RunningAggregateOperator.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class RunningAggregateOperator extends AbstractAssignOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ScriptOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ScriptOperator.java
index 46e9859..7b356b5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ScriptOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ScriptOperator.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.scripting.IScriptDescription;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.scripting.IScriptDescription;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class ScriptOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SelectOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SelectOperator.java
index 5aa229c..6286dae 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SelectOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SelectOperator.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class SelectOperator extends AbstractLogicalOperator {
     private final Mutable<ILogicalExpression> condition;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SinkOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SinkOperator.java
index 84ad33b..d3e3e29 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SinkOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SinkOperator.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class SinkOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SubplanOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SubplanOperator.java
index c0a01b3..2c86d8d 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SubplanOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/SubplanOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -21,21 +21,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.OpRefTypeEnvPointer;
+import org.apache.hyracks.algebricks.core.algebra.typing.PropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class SubplanOperator extends AbstractOperatorWithNestedPlans {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/TokenizeOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/TokenizeOperator.java
index 82c1035..17153b7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/TokenizeOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/TokenizeOperator.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class TokenizeOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnionAllOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnionAllOperator.java
index 97a77ec..647eb03 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnionAllOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnionAllOperator.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class UnionAllOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestMapOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestMapOperator.java
index b7a56be..9dd55a5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestMapOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestMapOperator.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 /**
  * This operator may go away after we add indexes to Algebricks.
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestOperator.java
index dba9e19..bec178f 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UnnestOperator.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingPositionWriter;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingPositionWriter;
 
 public class UnnestOperator extends AbstractUnnestOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UpdateOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UpdateOperator.java
index 841f9c6..b6a97d9 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UpdateOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/UpdateOperator.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class UpdateOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteOperator.java
index e1c1640..90eb012 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class WriteOperator extends AbstractLogicalOperator {
     private List<Mutable<ILogicalExpression>> expressions;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteResultOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteResultOperator.java
index ba402bc..9fba311 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteResultOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/WriteResultOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class WriteResultOperator extends AbstractLogicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java
index 1d7f134..56a5de5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -26,59 +26,59 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression.FunctionKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractUnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression.FunctionKind;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractUnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 
 public class FDsAndEquivClassesVisitor implements ILogicalOperatorVisitor<Void, IOptimizationContext> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
index b9b111d..00cc057 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -22,52 +22,52 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class IsomorphismOperatorVisitor implements ILogicalOperatorVisitor<Boolean, ILogicalOperator> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismUtilities.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismUtilities.java
index d79853d..b7dab97 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismUtilities.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismUtilities.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.List;
 import java.util.Map;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public class IsomorphismUtilities {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java
index 99df45c..1e063d7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -22,49 +22,49 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractAssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractAssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class IsomorphismVariableMappingVisitor implements ILogicalOperatorVisitor<Void, ILogicalOperator> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java
index 19fcf65..a49018e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java
@@ -12,54 +12,54 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableEvalSizeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractAssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LogicalPropertiesVectorImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableEvalSizeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractAssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LogicalPropertiesVectorImpl;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 
 public class LogicalPropertiesVisitor implements ILogicalOperatorVisitor<Void, IOptimizationContext> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/OperatorDeepCopyVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/OperatorDeepCopyVisitor.java
index e62dbf8..836b375 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/OperatorDeepCopyVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/OperatorDeepCopyVisitor.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -21,49 +21,49 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class OperatorDeepCopyVisitor implements ILogicalOperatorVisitor<ILogicalOperator, Void> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java
index 1fa97a6..de7b158 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -20,46 +20,46 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class ProducedVariableVisitor implements ILogicalOperatorVisitor<Void, Void> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java
index 0b37b92..ab8b6cb 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -20,47 +20,47 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class SchemaVariableVisitor implements ILogicalOperatorVisitor<Void, Void> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java
index 695078a..6ac4144 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java
@@ -12,59 +12,59 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class SubstituteVariableVisitor implements ILogicalOperatorVisitor<Void, Pair<LogicalVariable, LogicalVariable>> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java
index 8169ad0..04764cc 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java
@@ -12,61 +12,61 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.Collection;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HashPartitionExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HashPartitionMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RangePartitionMergePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RangePartitionPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SortMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HashPartitionExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HashPartitionMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RangePartitionMergePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RangePartitionPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SortMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class UsedVariableVisitor implements ILogicalOperatorVisitor<Void, Void> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/VariableUtilities.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/VariableUtilities.java
index f3cf0a4..698ea33 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/VariableUtilities.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/visitors/VariableUtilities.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors;
+package org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors;
 
 import java.util.Collection;
 import java.util.HashSet;
@@ -21,12 +21,12 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class VariableUtilities {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractExchangePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractExchangePOperator.java
index 42d964d..d170a2e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractExchangePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractExchangePOperator.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
 
 public abstract class AbstractExchangePOperator extends AbstractPhysicalOperator {
     public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractHashJoinPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractHashJoinPOperator.java
index 764159d..afd8ce7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractHashJoinPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractHashJoinPOperator.java
@@ -12,30 +12,30 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
 
 public abstract class AbstractHashJoinPOperator extends AbstractJoinPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractJoinPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractJoinPOperator.java
index fcc04ab..c4573ac 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractJoinPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractJoinPOperator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
 
 public abstract class AbstractJoinPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPhysicalOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPhysicalOperator.java
index 66e7b98..6a34cd7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPhysicalOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPhysicalOperator.java
@@ -12,34 +12,34 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksCountPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksCountPartitionConstraint;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.PlanCompiler;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public abstract class AbstractPhysicalOperator implements IPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPreclusteredGroupByPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPreclusteredGroupByPOperator.java
index 41711cb..25029fd 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPreclusteredGroupByPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPreclusteredGroupByPOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -22,34 +22,34 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.PropertiesUtil;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
 
 public abstract class AbstractPreclusteredGroupByPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPropagatePropertiesForUsedVariablesPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPropagatePropertiesForUsedVariablesPOperator.java
index c77222b..3efce93 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPropagatePropertiesForUsedVariablesPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractPropagatePropertiesForUsedVariablesPOperator.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
 
 public abstract class AbstractPropagatePropertiesForUsedVariablesPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractScanPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractScanPOperator.java
index 299f519..7a7724a 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractScanPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractScanPOperator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
 
 public abstract class AbstractScanPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractStableSortPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractStableSortPOperator.java
index 4b85c56..fd91d81 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractStableSortPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractStableSortPOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -20,24 +20,24 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
 
 public abstract class AbstractStableSortPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AggregatePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AggregatePOperator.java
index 8b1b447..5a78f40 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AggregatePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AggregatePOperator.java
@@ -12,36 +12,36 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.AggregateRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.AggregateRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class AggregatePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AssignPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AssignPOperator.java
index 0a67ced..d0fd1db 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AssignPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AssignPOperator.java
@@ -12,30 +12,30 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksCountPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.AssignRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksCountPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.AssignRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class AssignPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BroadcastPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BroadcastPOperator.java
index b210d56..8123910 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BroadcastPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BroadcastPOperator.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
 
 public class BroadcastPOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BulkloadPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BulkloadPOperator.java
index 23652f6..8e48c59 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BulkloadPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/BulkloadPOperator.java
@@ -13,35 +13,35 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class BulkloadPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DataSourceScanPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DataSourceScanPOperator.java
index f1cb937..5a1cf42 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DataSourceScanPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DataSourceScanPOperator.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
 
 @SuppressWarnings("rawtypes")
 public class DataSourceScanPOperator extends AbstractScanPOperator {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java
index 54fdf2c..9601384 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/DistributeResultPOperator.java
@@ -12,37 +12,37 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class DistributeResultPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/EmptyTupleSourcePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/EmptyTupleSourcePOperator.java
index b714979..5f7a400 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/EmptyTupleSourcePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/EmptyTupleSourcePOperator.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.LinkedList;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.EmptyTupleSourceRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.runtime.operators.std.EmptyTupleSourceRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class EmptyTupleSourcePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ExternalGroupByPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ExternalGroupByPOperator.java
index fe438a5..fbca827 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ExternalGroupByPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ExternalGroupByPOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
@@ -21,49 +21,49 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.OperatorSchemaImpl;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.SerializableAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.HashSpillableTableFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.core.jobgen.impl.OperatorSchemaImpl;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.SerializableAggregatorDescriptorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.group.HashSpillableTableFactory;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor;
 
 public class ExternalGroupByPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionExchangePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionExchangePOperator.java
index 1a91958..2fbae03 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionExchangePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionExchangePOperator.java
@@ -12,34 +12,34 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
 
 public class HashPartitionExchangePOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionMergeExchangePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionMergeExchangePOperator.java
index fc4f116..ca739bf 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionMergeExchangePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HashPartitionMergeExchangePOperator.java
@@ -12,47 +12,47 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
 
 public class HashPartitionMergeExchangePOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HybridHashJoinPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HybridHashJoinPOperator.java
index 3abdec9..af34cc8 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HybridHashJoinPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/HybridHashJoinPOperator.java
@@ -12,44 +12,44 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.LinkedList;
 import java.util.List;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.join.HybridHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.OptimizedHybridHashJoinOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.join.HybridHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.OptimizedHybridHashJoinOperatorDescriptor;
 
 public class HybridHashJoinPOperator extends AbstractHashJoinPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryHashJoinPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryHashJoinPOperator.java
index 55616f9..e1c50fa 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryHashJoinPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryHashJoinPOperator.java
@@ -12,36 +12,36 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.join.InMemoryHashJoinOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.join.InMemoryHashJoinOperatorDescriptor;
 
 public class InMemoryHashJoinPOperator extends AbstractHashJoinPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryStableSortPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryStableSortPOperator.java
index 4a7d875..fa2db40 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryStableSortPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InMemoryStableSortPOperator.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.sort.InMemorySortRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.sort.InMemorySortRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class InMemoryStableSortPOperator extends AbstractStableSortPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexBulkloadPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexBulkloadPOperator.java
index db00b9e..8941498 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexBulkloadPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexBulkloadPOperator.java
@@ -13,42 +13,42 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class IndexBulkloadPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexInsertDeletePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexInsertDeletePOperator.java
index 4bc4c06..14812d4 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexInsertDeletePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/IndexInsertDeletePOperator.java
@@ -12,38 +12,38 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class IndexInsertDeletePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InsertDeletePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InsertDeletePOperator.java
index 993e8d7..bd27e55 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InsertDeletePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InsertDeletePOperator.java
@@ -12,35 +12,35 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 @SuppressWarnings("rawtypes")
 public class InsertDeletePOperator extends AbstractPhysicalOperator {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MaterializePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MaterializePOperator.java
index 27f4b25..29be5f4 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MaterializePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MaterializePOperator.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.MaterializingOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.dataflow.std.misc.MaterializingOperatorDescriptor;
 
 public class MaterializePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MicroPreclusteredGroupByPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MicroPreclusteredGroupByPOperator.java
index 546a77b..3488ab2 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MicroPreclusteredGroupByPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/MicroPreclusteredGroupByPOperator.java
@@ -12,32 +12,32 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.NestedPlansAccumulatingAggregatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.group.MicroPreClusteredGroupRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.NestedPlansAccumulatingAggregatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.group.MicroPreClusteredGroupRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 public class MicroPreclusteredGroupByPOperator extends AbstractPreclusteredGroupByPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NLJoinPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NLJoinPOperator.java
index a2e697d..cb0c4c7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NLJoinPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NLJoinPOperator.java
@@ -12,49 +12,49 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspector;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator.JoinKind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspector;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
 
 /**
  * Left input is broadcast and preserves its local properties.
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedTupleSourcePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedTupleSourcePOperator.java
index 4fdfa32..b626953 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedTupleSourcePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/NestedTupleSourcePOperator.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class NestedTupleSourcePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/OneToOneExchangePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/OneToOneExchangePOperator.java
index 456744e..f5a42f5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/OneToOneExchangePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/OneToOneExchangePOperator.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
 
 public class OneToOneExchangePOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreSortedDistinctByPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreSortedDistinctByPOperator.java
index a24c48d..f59ef84 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreSortedDistinctByPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreSortedDistinctByPOperator.java
@@ -12,40 +12,40 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
 
 public class PreSortedDistinctByPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreclusteredGroupByPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreclusteredGroupByPOperator.java
index bcd998d..206495d 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreclusteredGroupByPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/PreclusteredGroupByPOperator.java
@@ -12,35 +12,35 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.NestedPlansAccumulatingAggregatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.NestedPlansRunningAggregatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.NestedPlansAccumulatingAggregatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.NestedPlansRunningAggregatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
 
 public class PreclusteredGroupByPOperator extends AbstractPreclusteredGroupByPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomMergeExchangePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomMergeExchangePOperator.java
index 2478859..1f0b0ec 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomMergeExchangePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomMergeExchangePOperator.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
 
 public class RandomMergeExchangePOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomPartitionPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomPartitionPOperator.java
index c633f7b..7babdef 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomPartitionPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RandomPartitionPOperator.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.RandomPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.RandomPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
 
 public class RandomPartitionPOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionMergePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionMergePOperator.java
index 99f68e9..aa685fe 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionMergePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionMergePOperator.java
@@ -12,46 +12,46 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.range.FieldRangePartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.range.IRangeMap;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.range.FieldRangePartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.data.partition.range.IRangeMap;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
 
 public class RangePartitionMergePOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionPOperator.java
index 66955e9..ab74783 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RangePartitionPOperator.java
@@ -12,41 +12,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.range.FieldRangePartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.range.IRangeMap;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.range.FieldRangePartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.data.partition.range.IRangeMap;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
 
 public class RangePartitionPOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ReplicatePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ReplicatePOperator.java
index d8f7d99..5255dfd 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ReplicatePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ReplicatePOperator.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.misc.SplitOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.misc.SplitOperatorDescriptor;
 
 public class ReplicatePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RunningAggregatePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RunningAggregatePOperator.java
index 3b2387a..f9c9fde 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RunningAggregatePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/RunningAggregatePOperator.java
@@ -12,32 +12,32 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.RunningAggregateRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.RunningAggregateRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class RunningAggregatePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkPOperator.java
index ba299ac..ccf6437 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkPOperator.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.SinkRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.misc.SinkOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.union.UnionAllOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.operators.base.SinkRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.misc.SinkOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.union.UnionAllOperatorDescriptor;
 
 public class SinkPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java
index 9105c1f..9323327 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SinkWritePOperator.java
@@ -12,36 +12,36 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class SinkWritePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortGroupByPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortGroupByPOperator.java
index 6ad1fab..88d9557 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortGroupByPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortGroupByPOperator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
@@ -21,46 +21,46 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.OperatorSchemaImpl;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.sort.SortGroupByOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.core.jobgen.impl.OperatorSchemaImpl;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.sort.SortGroupByOperatorDescriptor;
 
 public class SortGroupByPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortMergeExchangePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortMergeExchangePOperator.java
index 7f29375..0583b7e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortMergeExchangePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SortMergeExchangePOperator.java
@@ -12,43 +12,43 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder.TargetConstraint;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
 
 public class SortMergeExchangePOperator extends AbstractExchangePOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StableSortPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StableSortPOperator.java
index 2c4d89d..e6869e0 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StableSortPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StableSortPOperator.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
 
 /**
  * This will always be attached to an {@link OrderOperator} logical operator.
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamLimitPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamLimitPOperator.java
index 63ddffe..08ff7c7 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamLimitPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamLimitPOperator.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StreamLimitRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamLimitRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class StreamLimitPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamProjectPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamProjectPOperator.java
index 2ad5fda..5a48f50 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamProjectPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamProjectPOperator.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StreamProjectRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamProjectRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class StreamProjectPOperator extends AbstractPropagatePropertiesForUsedVariablesPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamSelectPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamSelectPOperator.java
index 3999fa6..220d826 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamSelectPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StreamSelectPOperator.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StreamSelectRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamSelectRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class StreamSelectPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StringStreamingScriptPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StringStreamingScriptPOperator.java
index e6a0be7..4ff582e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StringStreamingScriptPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/StringStreamingScriptPOperator.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.scripting.IScriptDescription;
-import edu.uci.ics.hyracks.algebricks.core.algebra.scripting.IScriptDescription.ScriptKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.scripting.StringStreamingScriptDescription;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StringStreamingRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.scripting.IScriptDescription;
+import org.apache.hyracks.algebricks.core.algebra.scripting.IScriptDescription.ScriptKind;
+import org.apache.hyracks.algebricks.core.algebra.scripting.StringStreamingScriptDescription;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.operators.std.StringStreamingRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class StringStreamingScriptPOperator extends AbstractPropagatePropertiesForUsedVariablesPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SubplanPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SubplanPOperator.java
index efc609a..7bf83bc 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SubplanPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/SubplanPOperator.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class SubplanPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/TokenizePOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/TokenizePOperator.java
index 8a2ecf6..2277b2b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/TokenizePOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/TokenizePOperator.java
@@ -13,34 +13,34 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class TokenizePOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnionAllPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnionAllPOperator.java
index cda3b00..c6507d6 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnionAllPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnionAllPOperator.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.union.UnionAllOperatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.union.UnionAllOperatorDescriptor;
 
 public class UnionAllPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnnestPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnnestPOperator.java
index d60d4f7..eb7ece5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnnestPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/UnnestPOperator.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression.FunctionKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression.FunctionKind;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class UnnestPOperator extends AbstractScanPOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/WriteResultPOperator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/WriteResultPOperator.java
index f399184..684501e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/WriteResultPOperator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/WriteResultPOperator.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical;
+package org.apache.hyracks.algebricks.core.algebra.operators.physical;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class WriteResultPOperator extends AbstractPhysicalOperator {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java
index 8048bf1c..93626ff 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/plan/ALogicalPlanImpl.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.plan;
+package org.apache.hyracks.algebricks.core.algebra.plan;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
 
 /*
  * Author: Guangqiang Li
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
index 5f77352..bd70c67 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint;
+package org.apache.hyracks.algebricks.core.algebra.prettyprint;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
 
 
 public class LogicalExpressionPrettyPrintVisitor implements ILogicalExpressionVisitor<String, Integer> {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
index 2c924d5..8e69373 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
@@ -12,54 +12,54 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint;
+package org.apache.hyracks.algebricks.core.algebra.prettyprint;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator.Kind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
 
 public class LogicalOperatorPrettyPrintVisitor implements ILogicalOperatorVisitor<String, Integer> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java
index 85274de..3157cde 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint;
+package org.apache.hyracks.algebricks.core.algebra.prettyprint;
 
 import java.io.File;
 import java.io.IOException;
@@ -21,10 +21,10 @@
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
 
 public class PlanPlotter {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPrettyPrinter.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPrettyPrinter.java
index 33c106b..d40747c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPrettyPrinter.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/PlanPrettyPrinter.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint;
+package org.apache.hyracks.algebricks.core.algebra.prettyprint;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
 
 public class PlanPrettyPrinter {
     public static void printPlan(ILogicalPlan plan, StringBuilder out, LogicalOperatorPrettyPrintVisitor pvisitor,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/AbstractGroupingProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/AbstractGroupingProperty.java
index b757bbb..88bb4e1 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/AbstractGroupingProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/AbstractGroupingProperty.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public abstract class AbstractGroupingProperty {
     protected Set<LogicalVariable> columnSet;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/BroadcastPartitioningProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/BroadcastPartitioningProperty.java
index 53aea68..2ee1017 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/BroadcastPartitioningProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/BroadcastPartitioningProperty.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public class BroadcastPartitioningProperty implements IPartitioningProperty {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/DefaultNodeGroupDomain.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/DefaultNodeGroupDomain.java
index 226f02c..29f1273 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/DefaultNodeGroupDomain.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/DefaultNodeGroupDomain.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 public class DefaultNodeGroupDomain implements INodeDomain {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FileSplitDomain.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FileSplitDomain.java
index 5fbcdb9..6169e85 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FileSplitDomain.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FileSplitDomain.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
 
 public class FileSplitDomain implements INodeDomain {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FilteredVariablePropagationPolicy.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FilteredVariablePropagationPolicy.java
index 822cdc3..2684d8e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FilteredVariablePropagationPolicy.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FilteredVariablePropagationPolicy.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
 
 public class FilteredVariablePropagationPolicy extends VariablePropagationPolicy {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FunctionalDependency.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FunctionalDependency.java
index 5bf4637..db0c412 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FunctionalDependency.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/FunctionalDependency.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public final class FunctionalDependency {
     private List<LogicalVariable> head;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILocalStructuralProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILocalStructuralProperty.java
index c32fd67..0c7f4a4 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILocalStructuralProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILocalStructuralProperty.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface ILocalStructuralProperty extends IStructuralProperty {
     public enum PropertyType {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILogicalPropertiesVector.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILogicalPropertiesVector.java
index 175f041..79ef7c9 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILogicalPropertiesVector.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ILogicalPropertiesVector.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 public interface ILogicalPropertiesVector {
     public Integer getNumberOfTuples();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/INodeDomain.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/INodeDomain.java
index 17e97ec..e5597a3 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/INodeDomain.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/INodeDomain.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 public interface INodeDomain {
     public boolean sameAs(INodeDomain domain);
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningProperty.java
index bb8cfe2..e7167bf 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningProperty.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IPartitioningProperty extends IStructuralProperty {
     public enum PartitioningType {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningRequirementsCoordinator.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningRequirementsCoordinator.java
index cd9eb96..8beb16b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningRequirementsCoordinator.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPartitioningRequirementsCoordinator.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 /**
  * Implements constraints in between requirements for the children of the same
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPhysicalPropertiesVector.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPhysicalPropertiesVector.java
index 45bf1ec..f51ff15 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPhysicalPropertiesVector.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPhysicalPropertiesVector.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IPhysicalPropertiesVector {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPropertiesComputer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPropertiesComputer.java
index 716b459..9f4802a 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPropertiesComputer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IPropertiesComputer.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 
 public interface IPropertiesComputer {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IStructuralProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IStructuralProperty.java
index bf8aaa5..52cfe28 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IStructuralProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/IStructuralProperty.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IStructuralProperty {
     public void getColumns(Collection<LogicalVariable> columns);
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalGroupingProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalGroupingProperty.java
index c267364..9e0cd2c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalGroupingProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalGroupingProperty.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public class LocalGroupingProperty extends AbstractGroupingProperty implements ILocalStructuralProperty {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalOrderProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalOrderProperty.java
index 6d568f4..5474100 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalOrderProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LocalOrderProperty.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -21,10 +21,10 @@
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
 
 public final class LocalOrderProperty implements ILocalStructuralProperty {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LogicalPropertiesVectorImpl.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LogicalPropertiesVectorImpl.java
index 848c86e..51ac22b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LogicalPropertiesVectorImpl.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/LogicalPropertiesVectorImpl.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 public class LogicalPropertiesVectorImpl implements ILogicalPropertiesVector {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderColumn.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderColumn.java
index a0e76d1..133ea58 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderColumn.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderColumn.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
 
 public final class OrderColumn {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderedPartitionedProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderedPartitionedProperty.java
index 6f88933..d440f44 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderedPartitionedProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/OrderedPartitionedProperty.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public class OrderedPartitionedProperty implements IPartitioningProperty {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PhysicalRequirements.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PhysicalRequirements.java
index ce0907f..06cce53 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PhysicalRequirements.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PhysicalRequirements.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 public class PhysicalRequirements {
     private final IPhysicalPropertiesVector[] requiredProperties;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PropertiesUtil.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PropertiesUtil.java
index b651e59..743dd03 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PropertiesUtil.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PropertiesUtil.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -23,10 +23,10 @@
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
 
 public class PropertiesUtil {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/RandomPartitioningProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/RandomPartitioningProperty.java
index 06008a6..6d2cede 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/RandomPartitioningProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/RandomPartitioningProperty.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public class RandomPartitioningProperty implements IPartitioningProperty {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ResultSetDomain.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ResultSetDomain.java
index 688523b..984ab69 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ResultSetDomain.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/ResultSetDomain.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 public class ResultSetDomain implements INodeDomain {
     @Override
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/StructuralPropertiesVector.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/StructuralPropertiesVector.java
index 7290319..bd02c51 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/StructuralPropertiesVector.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/StructuralPropertiesVector.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public class StructuralPropertiesVector implements IPhysicalPropertiesVector {
     private List<ILocalStructuralProperty> propsLocal;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/TypePropagationPolicy.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/TypePropagationPolicy.java
index e27edc5..ca63389 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/TypePropagationPolicy.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/TypePropagationPolicy.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypeEnvPointer;
 
 public abstract class TypePropagationPolicy {
     public static final TypePropagationPolicy ALL = new TypePropagationPolicy() {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnorderedPartitionedProperty.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnorderedPartitionedProperty.java
index 3e79192..4d26890 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnorderedPartitionedProperty.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnorderedPartitionedProperty.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public final class UnorderedPartitionedProperty extends AbstractGroupingProperty implements IPartitioningProperty {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnpartitionedPropertyComputer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnpartitionedPropertyComputer.java
index 7a47c1e..1244bad 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnpartitionedPropertyComputer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/UnpartitionedPropertyComputer.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 
 public class UnpartitionedPropertyComputer implements IPropertiesComputer {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/VariablePropagationPolicy.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/VariablePropagationPolicy.java
index 5ac3a93..bc4a984 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/VariablePropagationPolicy.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/VariablePropagationPolicy.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.properties;
+package org.apache.hyracks.algebricks.core.algebra.properties;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
 
 public abstract class VariablePropagationPolicy {
     public static final VariablePropagationPolicy ALL = new VariablePropagationPolicy() {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/IScriptDescription.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/IScriptDescription.java
index f3724a5..8d20f70 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/IScriptDescription.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/IScriptDescription.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.scripting;
+package org.apache.hyracks.algebricks.core.algebra.scripting;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
 
 public interface IScriptDescription {
     public enum ScriptKind {
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/StringStreamingScriptDescription.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/StringStreamingScriptDescription.java
index f030faf..059126c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/StringStreamingScriptDescription.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/scripting/StringStreamingScriptDescription.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.scripting;
+package org.apache.hyracks.algebricks.core.algebra.scripting;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.dataflow.std.file.ITupleParserFactory;
 
 public class StringStreamingScriptDescription implements IScriptDescription {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/AbstractTypeEnvironment.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/AbstractTypeEnvironment.java
index 9833c17..b6f9429 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/AbstractTypeEnvironment.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/AbstractTypeEnvironment.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public abstract class AbstractTypeEnvironment implements IVariableTypeEnvironment {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypeEnvPointer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypeEnvPointer.java
index 0b56db7..0d6d06e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypeEnvPointer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypeEnvPointer.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
 
 public interface ITypeEnvPointer {
     public IVariableTypeEnvironment getTypeEnv();
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypingContext.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypingContext.java
index 7945fa7..ebd4664 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypingContext.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/ITypingContext.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public interface ITypingContext {
     public abstract IVariableTypeEnvironment getOutputTypeEnvironment(ILogicalOperator op);
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/NonPropagatingTypeEnvironment.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/NonPropagatingTypeEnvironment.java
index eb0eb71..efe1f51 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/NonPropagatingTypeEnvironment.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/NonPropagatingTypeEnvironment.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public class NonPropagatingTypeEnvironment extends AbstractTypeEnvironment {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/OpRefTypeEnvPointer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/OpRefTypeEnvPointer.java
index 6a1c8b5..68a7750 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/OpRefTypeEnvPointer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/OpRefTypeEnvPointer.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
 
 public class OpRefTypeEnvPointer implements ITypeEnvPointer {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagateOperatorInputsTypeEnvironment.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagateOperatorInputsTypeEnvironment.java
index 87ee385..34d7504 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagateOperatorInputsTypeEnvironment.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagateOperatorInputsTypeEnvironment.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
 
 public class PropagateOperatorInputsTypeEnvironment extends AbstractTypeEnvironment {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagatingTypeEnvironment.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagatingTypeEnvironment.java
index d167cd7..e687c9c 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagatingTypeEnvironment.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagatingTypeEnvironment.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.typing;
+package org.apache.hyracks.algebricks.core.algebra.typing;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.properties.TypePropagationPolicy;
 
 public class PropagatingTypeEnvironment extends AbstractTypeEnvironment {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java
index adb7a8f..2982291 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorManipulationUtil.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.util;
+package org.apache.hyracks.algebricks.core.algebra.util;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,23 +20,23 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.OperatorDeepCopyVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.OperatorDeepCopyVisitor;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
 
 public class OperatorManipulationUtil {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorPropertiesUtil.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorPropertiesUtil.java
index ec9b403..16e2f37 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorPropertiesUtil.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/util/OperatorPropertiesUtil.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.util;
+package org.apache.hyracks.algebricks.core.algebra.util;
 
 import java.util.Collection;
 import java.util.HashSet;
@@ -20,22 +20,22 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
 
 public class OperatorPropertiesUtil {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/AbstractConstVarFunVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/AbstractConstVarFunVisitor.java
index c7424f0..b5ba087 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/AbstractConstVarFunVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/AbstractConstVarFunVisitor.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.visitors;
+package org.apache.hyracks.algebricks.core.algebra.visitors;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
 
 public abstract class AbstractConstVarFunVisitor<R, T> implements ILogicalExpressionVisitor<R, T> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionReferenceTransform.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionReferenceTransform.java
index 06cec65..7b77b30 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionReferenceTransform.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionReferenceTransform.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.visitors;
+package org.apache.hyracks.algebricks.core.algebra.visitors;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
 
 public interface ILogicalExpressionReferenceTransform {
     // returns true if any change is made to the expression
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionVisitor.java
index 3448db8..0ca7c2b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalExpressionVisitor.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.visitors;
+package org.apache.hyracks.algebricks.core.algebra.visitors;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
 
 public interface ILogicalExpressionVisitor<R, T> {
     public R visitConstantExpression(ConstantExpression expr, T arg) throws AlgebricksException;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java
index 359e243..f6ddac1 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java
@@ -12,41 +12,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.algebra.visitors;
+package org.apache.hyracks.algebricks.core.algebra.visitors;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistributeResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExternalDataLookupOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.MaterializeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.PartitioningSplitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.RunningAggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ScriptOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestMapOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
 
 public interface ILogicalOperatorVisitor<R, T> {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java
index abdd6d1..5c41a8b 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/AlgebricksConfig.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.config;
+package org.apache.hyracks.algebricks.core.config;
 
 import java.util.logging.Logger;
 
 public class AlgebricksConfig {
     public static final boolean DEBUG = true;
-    public static final String ALGEBRICKS_LOGGER_NAME = "edu.uci.ics.hyracks.algebricks";
+    public static final String ALGEBRICKS_LOGGER_NAME = "org.apache.hyracks.algebricks";
     public static final Logger ALGEBRICKS_LOGGER = Logger.getLogger(ALGEBRICKS_LOGGER_NAME);
 }
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/SysoutFormatter.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/SysoutFormatter.java
index d449f92..9ec75b2 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/SysoutFormatter.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/config/SysoutFormatter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.config;
+package org.apache.hyracks.algebricks.core.config;
 
 import java.util.logging.Formatter;
 import java.util.logging.Handler;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/ConnectorPolicyAssignmentPolicy.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/ConnectorPolicyAssignmentPolicy.java
index 4cb111d..a99a60e 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/ConnectorPolicyAssignmentPolicy.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/ConnectorPolicyAssignmentPolicy.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.jobgen.impl;
+package org.apache.hyracks.algebricks.core.jobgen.impl;
 
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
-import edu.uci.ics.hyracks.api.dataflow.connectors.PipeliningConnectorPolicy;
-import edu.uci.ics.hyracks.api.dataflow.connectors.SendSideMaterializedPipeliningConnectorPolicy;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
+import org.apache.hyracks.api.dataflow.connectors.PipeliningConnectorPolicy;
+import org.apache.hyracks.api.dataflow.connectors.SendSideMaterializedPipeliningConnectorPolicy;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
 
 public class ConnectorPolicyAssignmentPolicy implements IConnectorPolicyAssignmentPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobBuilder.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobBuilder.java
index e1f897c..3f39a81 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobBuilder.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobBuilder.java
@@ -12,30 +12,30 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.jobgen.impl;
+package org.apache.hyracks.algebricks.core.jobgen.impl;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksCountPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksCountPartitionConstraint;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class JobBuilder implements IHyracksJobBuilder {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java
index a181304..10c8df0 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenContext.java
@@ -12,36 +12,36 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.jobgen.impl;
+package org.apache.hyracks.algebricks.core.jobgen.impl;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFamilyProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.ISerializerDeserializerProvider;
-import edu.uci.ics.hyracks.algebricks.data.ITypeTraitProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IPartialAggregationTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFamilyProvider;
+import org.apache.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
+import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactoryProvider;
 
 public class JobGenContext {
     private final IOperatorSchema outerFlowSchema;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenHelper.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenHelper.java
index 2d195e4..61fa0d4 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenHelper.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/JobGenHelper.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.jobgen.impl;
+package org.apache.hyracks.algebricks.core.jobgen.impl;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryHashFunctionFamilyProvider;
-import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.ISerializerDeserializerProvider;
-import edu.uci.ics.hyracks.algebricks.data.ITypeTraitProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
+import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFamilyProvider;
+import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
+import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public final class JobGenHelper {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/OperatorSchemaImpl.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/OperatorSchemaImpl.java
index dc1fb35..23fc482 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/OperatorSchemaImpl.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/OperatorSchemaImpl.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.jobgen.impl;
+package org.apache.hyracks.algebricks.core.jobgen.impl;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -20,8 +20,8 @@
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
 
 public class OperatorSchemaImpl implements IOperatorSchema {
     private final Map<LogicalVariable, Integer> varMap;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/PlanCompiler.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/PlanCompiler.java
index 3af57ad..d36123f 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/PlanCompiler.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/jobgen/impl/PlanCompiler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.jobgen.impl;
+package org.apache.hyracks.algebricks.core.jobgen.impl;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -22,16 +22,16 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.api.job.IJobletEventListenerFactory;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.api.job.IJobletEventListenerFactory;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class PlanCompiler {
     private JobGenContext context;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AbstractRuleController.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AbstractRuleController.java
index e7b469a..420c71d 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AbstractRuleController.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AbstractRuleController.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.rewriter.base;
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
 import java.util.Collection;
 import java.util.logging.Level;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 
 public abstract class AbstractRuleController {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java
index 361dad3..a5454a2 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/AlgebricksOptimizationContext.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.rewriter.base;
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -20,21 +20,21 @@
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableEvalSizeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableEvalSizeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
 
 public class AlgebricksOptimizationContext implements IOptimizationContext {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java
index 17c6900..d2727c5 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/HeuristicOptimizer.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.rewriter.base;
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 
 public class HeuristicOptimizer {
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IAlgebraicRewriteRule.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IAlgebraicRewriteRule.java
index 6bf0b72..15a5353 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IAlgebraicRewriteRule.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IAlgebraicRewriteRule.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.rewriter.base;
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
 
 public interface IAlgebraicRewriteRule {
     public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException;
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java
index 70b7f64..3da4efc 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/IOptimizationContextFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.rewriter.base;
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.expressions.INullableTypeComputer;
 
 public interface IOptimizationContextFactory {
     public IOptimizationContext createOptimizationContext(int varCounter,
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java
index 47d2266..ddcdc47 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/rewriter/base/PhysicalOptimizationConfig.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.rewriter.base;
+package org.apache.hyracks.algebricks.core.rewriter.base;
 
 import java.util.Properties;
 
diff --git a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/Substitution.java b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/Substitution.java
index 3ef4316..9ecf088 100644
--- a/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/Substitution.java
+++ b/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/utils/Substitution.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.core.utils;
+package org.apache.hyracks.algebricks.core.utils;
 
 public class Substitution<T> {
     public T substituted;
diff --git a/algebricks/algebricks-data/pom.xml b/algebricks/algebricks-data/pom.xml
index eac6ac8..8624e15 100644
--- a/algebricks/algebricks-data/pom.xml
+++ b/algebricks/algebricks-data/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-data</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,12 +49,12 @@
   </build>
   <dependencies>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-common</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-data-std</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriter.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriter.java
index 37460ad..d8ad6a8 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriter.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriter.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
 
 public interface IAWriter {
 
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriterFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriterFactory.java
index bf7ba87..36026e8 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriterFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IAWriterFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 import java.io.PrintStream;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public interface IAWriterFactory extends Serializable {
     public IAWriter createWriter(int[] fields, PrintStream ps, IPrinterFactory[] printerFactories,
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspector.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspector.java
index e21a2fa..0ba5512 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspector.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspector.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 public interface IBinaryBooleanInspector {
     public boolean getBooleanValue(byte[] bytes, int offset, int length);
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspectorFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspectorFactory.java
index d327cd4..f3510fa 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspectorFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryBooleanInspectorFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IBinaryBooleanInspectorFactory extends Serializable {
     public IBinaryBooleanInspector createBinaryBooleanInspector(IHyracksTaskContext ctx);
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryComparatorFactoryProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryComparatorFactoryProvider.java
index ecdccef..9d27c86 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryComparatorFactoryProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryComparatorFactoryProvider.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 
 public interface IBinaryComparatorFactoryProvider {
     public IBinaryComparatorFactory getBinaryComparatorFactory(Object type, boolean ascending)
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFactoryProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFactoryProvider.java
index 170ef3a..07b1745 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFactoryProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFactoryProvider.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
 
 public interface IBinaryHashFunctionFactoryProvider {
     public IBinaryHashFunctionFactory getBinaryHashFunctionFactory(Object type) throws AlgebricksException;
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
index 1d4a77c..08417e6 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
 
 public interface IBinaryHashFunctionFamilyProvider {
 
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspector.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspector.java
index 3707912..f482897 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspector.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspector.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IBinaryIntegerInspector {
     public int getIntegerValue(byte[] bytes, int offset, int length) throws HyracksDataException;
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspectorFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspectorFactory.java
index 00e418b..a0900d6 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspectorFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryIntegerInspectorFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IBinaryIntegerInspectorFactory extends Serializable {
     public IBinaryIntegerInspector createBinaryIntegerInspector(IHyracksTaskContext ctx);
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ILinearizeComparatorFactoryProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ILinearizeComparatorFactoryProvider.java
index fdc5114..b54fc35 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ILinearizeComparatorFactoryProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ILinearizeComparatorFactoryProvider.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
 
 public interface ILinearizeComparatorFactoryProvider {
     public ILinearizeComparatorFactory getLinearizeComparatorFactory(Object type, boolean ascending, int dimension)
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/INormalizedKeyComputerFactoryProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/INormalizedKeyComputerFactoryProvider.java
index b008b8f..0c0a90b 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/INormalizedKeyComputerFactoryProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/INormalizedKeyComputerFactoryProvider.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
 
 public interface INormalizedKeyComputerFactoryProvider {
     public INormalizedKeyComputerFactory getNormalizedKeyComputerFactory(Object type, boolean ascending);
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinter.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinter.java
index 2aa906a..90e6466 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinter.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinter.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 
 public interface IPrinter {
     public void init() throws AlgebricksException;
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactory.java
index 27cb7eb..f1220f8 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 import java.io.Serializable;
 
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactoryProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactoryProvider.java
index 4c5ca09..5878df5 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactoryProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IPrinterFactoryProvider.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 
 public interface IPrinterFactoryProvider {
     public IPrinterFactory getPrinterFactory(Object type) throws AlgebricksException;
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java
index 42d630e..cc789ff 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IResultSerializerFactoryProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
+import org.apache.hyracks.api.dataflow.value.IResultSerializerFactory;
 
 public interface IResultSerializerFactoryProvider extends Serializable {
     /**
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ISerializerDeserializerProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ISerializerDeserializerProvider.java
index c53fb9c..070c57e 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ISerializerDeserializerProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ISerializerDeserializerProvider.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 
 public interface ISerializerDeserializerProvider {
     @SuppressWarnings("unchecked")
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ITypeTraitProvider.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ITypeTraitProvider.java
index ba8965d..171c94c 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ITypeTraitProvider.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/ITypeTraitProvider.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data;
+package org.apache.hyracks.algebricks.data;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 
 public interface ITypeTraitProvider {
     public ITypeTraits getTypeTrait(Object type);
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryBooleanInspectorImpl.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryBooleanInspectorImpl.java
index a4f8239..74028da 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryBooleanInspectorImpl.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryBooleanInspectorImpl.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data.impl;
+package org.apache.hyracks.algebricks.data.impl;
 
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspector;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspector;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public class BinaryBooleanInspectorImpl implements IBinaryBooleanInspector {
     public static final IBinaryBooleanInspectorFactory FACTORY = new IBinaryBooleanInspectorFactory() {
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryIntegerInspectorImpl.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryIntegerInspectorImpl.java
index 691d025..9c7f8af 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryIntegerInspectorImpl.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/BinaryIntegerInspectorImpl.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data.impl;
+package org.apache.hyracks.algebricks.data.impl;
 
-import edu.uci.ics.hyracks.algebricks.data.IBinaryIntegerInspector;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.algebricks.data.IBinaryIntegerInspector;
+import org.apache.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
 
 public class BinaryIntegerInspectorImpl implements IBinaryIntegerInspector {
     public static final IBinaryIntegerInspectorFactory FACTORY = new IBinaryIntegerInspectorFactory() {
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/IntegerPrinterFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/IntegerPrinterFactory.java
index d41f619..0caf8d8 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/IntegerPrinterFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/IntegerPrinterFactory.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data.impl;
+package org.apache.hyracks.algebricks.data.impl;
 
 import java.io.IOException;
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IPrinter;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.utils.WriteValueTools;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IPrinter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.utils.WriteValueTools;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
 
 public class IntegerPrinterFactory implements IPrinterFactory {
 
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/NoopNullWriterFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/NoopNullWriterFactory.java
index 442a724..f3ba0db 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/NoopNullWriterFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/NoopNullWriterFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data.impl;
+package org.apache.hyracks.algebricks.data.impl;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class NoopNullWriterFactory implements INullWriterFactory {
 
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/UTF8StringPrinterFactory.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/UTF8StringPrinterFactory.java
index 3b802b3..f976c1b 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/UTF8StringPrinterFactory.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/impl/UTF8StringPrinterFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data.impl;
+package org.apache.hyracks.algebricks.data.impl;
 
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IPrinter;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IPrinter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class UTF8StringPrinterFactory implements IPrinterFactory {
 
diff --git a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/utils/WriteValueTools.java b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/utils/WriteValueTools.java
index 3a1203b..5a702d3 100644
--- a/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/utils/WriteValueTools.java
+++ b/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/utils/WriteValueTools.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.data.utils;
+package org.apache.hyracks.algebricks.data.utils;
 
 import java.io.IOException;
 import java.io.OutputStream;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public final class WriteValueTools {
 
diff --git a/algebricks/algebricks-examples/piglet-example/pom.xml b/algebricks/algebricks-examples/piglet-example/pom.xml
index 94fae5b..be7d11f 100644
--- a/algebricks/algebricks-examples/piglet-example/pom.xml
+++ b/algebricks/algebricks-examples/piglet-example/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>piglet-example</artifactId>
   <name>piglet-example</name>
  <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks-examples</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -112,7 +112,7 @@
       <artifactId>junit</artifactId>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>algebricks-compiler</artifactId>
       <version>0.2.16-SNAPSHOT</version>
     </dependency>
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java
index 1bdf6b2..8fdad4c 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ASTNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public abstract class ASTNode {
     public enum Tag {
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java
index 71cf26d..6584895 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/AssignmentNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public class AssignmentNode extends ASTNode {
     private String alias;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java
index 42fca63..f48d5c3 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/DumpNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public class DumpNode extends RelationNode {
     private final String file;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java
index c1482c2..262462c 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ExpressionNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public abstract class ExpressionNode extends ASTNode {
 }
\ No newline at end of file
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java
index 90b54e6..2785cbe 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FieldAccessExpressionNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public class FieldAccessExpressionNode extends ExpressionNode {
     private String relationName;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java
index b917cbb..628ee18 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FilterNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public class FilterNode extends RelationNode {
     private String alias;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java
index 523efb1..683e18c 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/FunctionTag.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public enum FunctionTag {
     BOOLEAN_AND,
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java
index 7b3f2bd..5deed85 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LiteralExpressionNode.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Type;
+import org.apache.hyracks.algebricks.examples.piglet.types.Type;
 
 public class LiteralExpressionNode extends ExpressionNode {
     private String image;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java
index 0ff16b9..aa48e20 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/LoadNode.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Schema;
+import org.apache.hyracks.algebricks.examples.piglet.types.Schema;
 
 public class LoadNode extends RelationNode {
     private String dataFile;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java
index 9bd7324..2afd167 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/RelationNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 public abstract class RelationNode extends ASTNode {
 }
\ No newline at end of file
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java
index a0ce89b..c318428 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/ast/ScalarFunctionExpressionNode.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.ast;
+package org.apache.hyracks.algebricks.examples.piglet.ast;
 
 import java.util.List;
 
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java
index 82276d0..11c7266 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/ConstantValue.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.compiler;
+package org.apache.hyracks.algebricks.examples.piglet.compiler;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IAlgebricksConstantValue;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Type;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IAlgebricksConstantValue;
+import org.apache.hyracks.algebricks.examples.piglet.types.Type;
 
 public final class ConstantValue implements IAlgebricksConstantValue {
     private final Type type;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java
index 820d016..9940831 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletCompiler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.compiler;
+package org.apache.hyracks.algebricks.examples.piglet.compiler;
 
 import java.io.Reader;
 import java.util.ArrayList;
@@ -26,62 +26,62 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.compiler.api.HeuristicCompilerFactoryBuilder;
-import edu.uci.ics.hyracks.algebricks.compiler.api.ICompiler;
-import edu.uci.ics.hyracks.algebricks.compiler.api.ICompilerFactory;
-import edu.uci.ics.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialFixpointRuleController;
-import edu.uci.ics.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialOnceRuleController;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.LogicalExpressionJobGenToExpressionRuntimeProviderAdapter;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.data.ISerializerDeserializerProvider;
-import edu.uci.ics.hyracks.algebricks.data.ITypeTraitProvider;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.ASTNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.AssignmentNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.DumpNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.ExpressionNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.FieldAccessExpressionNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.FilterNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.FunctionTag;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.LiteralExpressionNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.LoadNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.RelationNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.ScalarFunctionExpressionNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.exceptions.PigletException;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.metadata.PigletFileDataSink;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.metadata.PigletFileDataSource;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.metadata.PigletMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.parser.ParseException;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.parser.PigletParser;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.rewriter.PigletRewriteRuleset;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.runtime.PigletExpressionJobGen;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Schema;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Type;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.compiler.api.HeuristicCompilerFactoryBuilder;
+import org.apache.hyracks.algebricks.compiler.api.ICompiler;
+import org.apache.hyracks.algebricks.compiler.api.ICompilerFactory;
+import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialFixpointRuleController;
+import org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialOnceRuleController;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.LogicalExpressionJobGenToExpressionRuntimeProviderAdapter;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteOperator;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
+import org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.data.ISerializerDeserializerProvider;
+import org.apache.hyracks.algebricks.data.ITypeTraitProvider;
+import org.apache.hyracks.algebricks.examples.piglet.ast.ASTNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.AssignmentNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.DumpNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.ExpressionNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.FieldAccessExpressionNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.FilterNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.FunctionTag;
+import org.apache.hyracks.algebricks.examples.piglet.ast.LiteralExpressionNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.LoadNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.RelationNode;
+import org.apache.hyracks.algebricks.examples.piglet.ast.ScalarFunctionExpressionNode;
+import org.apache.hyracks.algebricks.examples.piglet.exceptions.PigletException;
+import org.apache.hyracks.algebricks.examples.piglet.metadata.PigletFileDataSink;
+import org.apache.hyracks.algebricks.examples.piglet.metadata.PigletFileDataSource;
+import org.apache.hyracks.algebricks.examples.piglet.metadata.PigletMetadataProvider;
+import org.apache.hyracks.algebricks.examples.piglet.parser.ParseException;
+import org.apache.hyracks.algebricks.examples.piglet.parser.PigletParser;
+import org.apache.hyracks.algebricks.examples.piglet.rewriter.PigletRewriteRuleset;
+import org.apache.hyracks.algebricks.examples.piglet.runtime.PigletExpressionJobGen;
+import org.apache.hyracks.algebricks.examples.piglet.types.Schema;
+import org.apache.hyracks.algebricks.examples.piglet.types.Type;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class PigletCompiler {
     private static final Logger LOGGER = Logger.getLogger(PigletCompiler.class.getName());
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java
index beb4e32..857f48e 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/compiler/PigletPrinterFactoryProvider.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.compiler;
+package org.apache.hyracks.algebricks.examples.piglet.compiler;
 
 import java.io.IOException;
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IPrinter;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactoryProvider;
-import edu.uci.ics.hyracks.algebricks.data.impl.IntegerPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.utils.WriteValueTools;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Type;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IPrinter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.IPrinterFactoryProvider;
+import org.apache.hyracks.algebricks.data.impl.IntegerPrinterFactory;
+import org.apache.hyracks.algebricks.data.utils.WriteValueTools;
+import org.apache.hyracks.algebricks.examples.piglet.types.Type;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
 
 public class PigletPrinterFactoryProvider implements IPrinterFactoryProvider {
 
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java
index aa28f34..4bc7fd1 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/exceptions/PigletException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.exceptions;
+package org.apache.hyracks.algebricks.examples.piglet.exceptions;
 
 public class PigletException extends Exception {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java
index 1ac4259..512a779 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/FileSplitUtils.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.metadata;
+package org.apache.hyracks.algebricks.examples.piglet.metadata;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
 
 public class FileSplitUtils {
     public static FileSplit[] parseFileSplits(String fileSplits) {
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java
index 6ab624d..6ca4ba9 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSink.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.metadata;
+package org.apache.hyracks.algebricks.examples.piglet.metadata;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
 
 public class PigletFileDataSink implements IDataSink {
     private String file;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java
index 076e15a..005cfd5 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFileDataSource.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.metadata;
+package org.apache.hyracks.algebricks.examples.piglet.metadata;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
+import org.apache.hyracks.algebricks.core.algebra.properties.FileSplitDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
 
 public class PigletFileDataSource implements IDataSource<String> {
     private final String file;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java
index ba5c5aa..6526077 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletFunction.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.metadata;
+package org.apache.hyracks.algebricks.examples.piglet.metadata;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AbstractFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.AbstractFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 
 public class PigletFunction extends AbstractFunctionInfo {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
index 099520d..6cbc012 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
@@ -12,51 +12,51 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.metadata;
+package org.apache.hyracks.algebricks.examples.piglet.metadata;
 
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSink;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Type;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.SinkWriterRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
+import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSink;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSourceIndex;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.examples.piglet.types.Type;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.SinkWriterRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.FloatParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.ITupleParserFactory;
 
 public class PigletMetadataProvider implements IMetadataProvider<String, String> {
     private static final Map<FunctionIdentifier, PigletFunction> FN_MAP;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/rewriter/PigletRewriteRuleset.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/rewriter/PigletRewriteRuleset.java
index 1c2cfae..939a198 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/rewriter/PigletRewriteRuleset.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/rewriter/PigletRewriteRuleset.java
@@ -12,35 +12,35 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.rewriter;
+package org.apache.hyracks.algebricks.examples.piglet.rewriter;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.BreakSelectIntoConjunctsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.ComplexJoinInferenceRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.ConsolidateAssignsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.ConsolidateSelectsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.EliminateSubplanRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.EnforceStructuralPropertiesRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.ExtractCommonOperatorsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.ExtractGbyExpressionsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.FactorRedundantGroupAndDecorVarsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.InferTypesRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.InlineVariablesRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.IsolateHyracksOperatorsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.PullSelectOutOfEqJoin;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.CopyLimitDownRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.PushProjectDownRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.PushProjectIntoDataSourceScanRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.PushSelectDownRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.PushSelectIntoJoinRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.ReinferAllTypesRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.RemoveUnusedAssignAndAggregateRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.SetAlgebricksPhysicalOperatorsRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.SetExecutionModeRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.rewriter.rules.BreakSelectIntoConjunctsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.ComplexJoinInferenceRule;
+import org.apache.hyracks.algebricks.rewriter.rules.ConsolidateAssignsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.ConsolidateSelectsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.EliminateSubplanRule;
+import org.apache.hyracks.algebricks.rewriter.rules.EnforceStructuralPropertiesRule;
+import org.apache.hyracks.algebricks.rewriter.rules.ExtractCommonOperatorsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.ExtractGbyExpressionsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.FactorRedundantGroupAndDecorVarsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.InferTypesRule;
+import org.apache.hyracks.algebricks.rewriter.rules.InlineVariablesRule;
+import org.apache.hyracks.algebricks.rewriter.rules.IsolateHyracksOperatorsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.PullSelectOutOfEqJoin;
+import org.apache.hyracks.algebricks.rewriter.rules.CopyLimitDownRule;
+import org.apache.hyracks.algebricks.rewriter.rules.PushProjectDownRule;
+import org.apache.hyracks.algebricks.rewriter.rules.PushProjectIntoDataSourceScanRule;
+import org.apache.hyracks.algebricks.rewriter.rules.PushSelectDownRule;
+import org.apache.hyracks.algebricks.rewriter.rules.PushSelectIntoJoinRule;
+import org.apache.hyracks.algebricks.rewriter.rules.ReinferAllTypesRule;
+import org.apache.hyracks.algebricks.rewriter.rules.RemoveUnusedAssignAndAggregateRule;
+import org.apache.hyracks.algebricks.rewriter.rules.SetAlgebricksPhysicalOperatorsRule;
+import org.apache.hyracks.algebricks.rewriter.rules.SetExecutionModeRule;
 
 public class PigletRewriteRuleset {
 
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/PigletExpressionJobGen.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/PigletExpressionJobGen.java
index 9ae68bb..19ea30e 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/PigletExpressionJobGen.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/PigletExpressionJobGen.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.runtime;
+package org.apache.hyracks.algebricks.examples.piglet.runtime;
 
 import java.io.DataOutput;
 import java.util.Arrays;
@@ -20,33 +20,33 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ILogicalExpressionJobGen;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
-import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.compiler.ConstantValue;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.exceptions.PigletException;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.runtime.functions.PigletFunctionRegistry;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.Type;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyUnnestingFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.evaluators.ColumnAccessEvalFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.evaluators.ConstantEvalFactory;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ILogicalExpressionJobGen;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import org.apache.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import org.apache.hyracks.algebricks.examples.piglet.compiler.ConstantValue;
+import org.apache.hyracks.algebricks.examples.piglet.exceptions.PigletException;
+import org.apache.hyracks.algebricks.examples.piglet.runtime.functions.PigletFunctionRegistry;
+import org.apache.hyracks.algebricks.examples.piglet.types.Type;
+import org.apache.hyracks.algebricks.runtime.base.ICopyAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyRunningAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.ICopyUnnestingFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.evaluators.ColumnAccessEvalFactory;
+import org.apache.hyracks.algebricks.runtime.evaluators.ConstantEvalFactory;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
 
 public class PigletExpressionJobGen implements ILogicalExpressionJobGen {
     @Override
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IPigletFunctionEvaluatorFactoryBuilder.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IPigletFunctionEvaluatorFactoryBuilder.java
index c52a4bd..cd2e923 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IPigletFunctionEvaluatorFactoryBuilder.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IPigletFunctionEvaluatorFactoryBuilder.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.runtime.functions;
+package org.apache.hyracks.algebricks.examples.piglet.runtime.functions;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 
 public interface IPigletFunctionEvaluatorFactoryBuilder {
     public ICopyEvaluatorFactory buildEvaluatorFactory(FunctionIdentifier fid, ICopyEvaluatorFactory[] arguments);
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IntegerEqFunctionEvaluatorFactory.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IntegerEqFunctionEvaluatorFactory.java
index e84964d..4e0f1ca 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IntegerEqFunctionEvaluatorFactory.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/IntegerEqFunctionEvaluatorFactory.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.runtime.functions;
+package org.apache.hyracks.algebricks.examples.piglet.runtime.functions;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class IntegerEqFunctionEvaluatorFactory implements ICopyEvaluatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/PigletFunctionRegistry.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/PigletFunctionRegistry.java
index 35015a5..1bc011e 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/PigletFunctionRegistry.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/runtime/functions/PigletFunctionRegistry.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.runtime.functions;
+package org.apache.hyracks.algebricks.examples.piglet.runtime.functions;
 
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.exceptions.PigletException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.examples.piglet.exceptions.PigletException;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 
 public class PigletFunctionRegistry {
     private static final Map<FunctionIdentifier, IPigletFunctionEvaluatorFactoryBuilder> builderMap;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/BagType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/BagType.java
index 9aec8bb..1af3609 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/BagType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/BagType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class BagType extends Type {
     @Override
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/CharArrayType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/CharArrayType.java
index 4bef8ff..5c86ffe 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/CharArrayType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/CharArrayType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class CharArrayType extends Type {
     public static final Type INSTANCE = new CharArrayType();
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/DoubleType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/DoubleType.java
index 8b7a0bd..2eb95b1 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/DoubleType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/DoubleType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class DoubleType extends Type {
     public static final Type INSTANCE = new DoubleType();
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/FloatType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/FloatType.java
index 69f5db6..316fca0 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/FloatType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/FloatType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class FloatType extends Type {
     public static final Type INSTANCE = new FloatType();
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/IntegerType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/IntegerType.java
index 9c568df..4d430d3 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/IntegerType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/IntegerType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class IntegerType extends Type {
     public static final Type INSTANCE = new IntegerType();
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/LongType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/LongType.java
index b992afc..d19f723 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/LongType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/LongType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class LongType extends Type {
     public static final Type INSTANCE = new LongType();
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/MapType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/MapType.java
index a46e40d..448fdb3 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/MapType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/MapType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class MapType extends Type {
     @Override
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Schema.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Schema.java
index 1702353..fccb5ad 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Schema.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Schema.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Pair;
 
 public class Schema {
     private List<Pair<String, Type>> schema;
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/TupleType.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/TupleType.java
index 429026f..8c4e19e 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/TupleType.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/TupleType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public class TupleType extends Type {
     @Override
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Type.java b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Type.java
index 36efcea..81bfd6e 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Type.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/types/Type.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.examples.piglet.types;
+package org.apache.hyracks.algebricks.examples.piglet.types;
 
 public abstract class Type {
     public enum Tag {
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj b/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj
index 2541536..ee6f912 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj
+++ b/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj
@@ -20,12 +20,12 @@
 
 PARSER_BEGIN(PigletParser)
 
-package edu.uci.ics.hyracks.algebricks.examples.piglet.parser;
+package org.apache.hyracks.algebricks.examples.piglet.parser;
 
 import java.util.*;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.*;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.types.*;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.examples.piglet.ast.*;
+import org.apache.hyracks.algebricks.examples.piglet.types.*;
 
 public class PigletParser {
     private ExpressionNode createFunction(FunctionTag fTag, String fName, ExpressionNode... arguments) {
diff --git a/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTest.java b/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTest.java
index e50b442..74f00d1 100644
--- a/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTest.java
+++ b/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.algebricks.examples.piglet.test;
+package org.apache.algebricks.examples.piglet.test;
 
 import java.io.File;
 
diff --git a/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTestCase.java b/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTestCase.java
index 082a0b0..cebda62 100644
--- a/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTestCase.java
+++ b/algebricks/algebricks-examples/piglet-example/src/test/java/org/apache/algebricks/examples/piglet/test/PigletTestCase.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.algebricks.examples.piglet.test;
+package org.apache.algebricks.examples.piglet.test;
 
 import java.io.File;
 import java.io.FileReader;
@@ -22,9 +22,9 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.algebricks.examples.piglet.ast.ASTNode;
-import edu.uci.ics.hyracks.algebricks.examples.piglet.compiler.PigletCompiler;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.algebricks.examples.piglet.ast.ASTNode;
+import org.apache.hyracks.algebricks.examples.piglet.compiler.PigletCompiler;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class PigletTestCase extends TestCase {
 
diff --git a/algebricks/algebricks-examples/pom.xml b/algebricks/algebricks-examples/pom.xml
index fc58b2e..39c69b2 100644
--- a/algebricks/algebricks-examples/pom.xml
+++ b/algebricks/algebricks-examples/pom.xml
@@ -19,7 +19,7 @@
   <name>algebricks-examples</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/algebricks/algebricks-rewriter/pom.xml b/algebricks/algebricks-rewriter/pom.xml
index 40d7446..88b95e3 100644
--- a/algebricks/algebricks-rewriter/pom.xml
+++ b/algebricks/algebricks-rewriter/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-rewriter</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,7 +49,7 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>algebricks-core</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractDecorrelationRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractDecorrelationRule.java
index f897791..3b58102 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractDecorrelationRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractDecorrelationRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.Collection;
 import java.util.HashSet;
@@ -22,21 +22,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.util.PhysicalOptimizationsUtil;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.rewriter.util.PhysicalOptimizationsUtil;
 
 public abstract class AbstractDecorrelationRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractExtractExprRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractExtractExprRule.java
index 882db41..0e51d1d 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractExtractExprRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractExtractExprRule.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public abstract class AbstractExtractExprRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceCombinerRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceCombinerRule.java
index 67b2d0c..d20b7f7 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceCombinerRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceCombinerRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -23,21 +23,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public abstract class AbstractIntroduceCombinerRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceGroupByCombinerRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceGroupByCombinerRule.java
index b60c80d..8159c3f 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceGroupByCombinerRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceGroupByCombinerRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -25,26 +25,26 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.IsomorphismUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.IsomorphismUtilities;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
 
 public abstract class AbstractIntroduceGroupByCombinerRule extends AbstractIntroduceCombinerRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/BreakSelectIntoConjunctsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/BreakSelectIntoConjunctsRule.java
index 53ca903..ed8bd1c 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/BreakSelectIntoConjunctsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/BreakSelectIntoConjunctsRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,14 +20,14 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class BreakSelectIntoConjunctsRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexJoinInferenceRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexJoinInferenceRule.java
index 73fd966..d1549ff 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexJoinInferenceRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexJoinInferenceRule.java
@@ -12,30 +12,30 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class ComplexJoinInferenceRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexUnnestToProductRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexUnnestToProductRule.java
index 910a8f9..94c7b30 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexUnnestToProductRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ComplexUnnestToProductRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -21,19 +21,19 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Complex rewrite rule for producing joins from unnests.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateAssignsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateAssignsRule.java
index 4da332c..477be99 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateAssignsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateAssignsRule.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class ConsolidateAssignsRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateSelectsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateSelectsRule.java
index e57bd3c..a8f1886 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateSelectsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ConsolidateSelectsRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Matches the following operator pattern:
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/CopyLimitDownRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/CopyLimitDownRule.java
index 2f080fb..13876fb 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/CopyLimitDownRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/CopyLimitDownRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,21 +20,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StreamLimitPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LimitOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StreamLimitPOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class CopyLimitDownRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateGroupByEmptyKeyRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateGroupByEmptyKeyRule.java
index e93fdd1..c79ed0a 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateGroupByEmptyKeyRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateGroupByEmptyKeyRule.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * This rule lift out the aggregate operator out from a group-by operator
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java
index 8a381f7..7a1121d 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanRule.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.LinkedList;
 
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class EliminateSubplanRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanWithInputCardinalityOneRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanWithInputCardinalityOneRule.java
index 1397956..a602c1e 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanWithInputCardinalityOneRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EliminateSubplanWithInputCardinalityOneRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,18 +20,18 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * This rule eliminates a subplan with the following pattern:
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceOrderByAfterSubplan.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceOrderByAfterSubplan.java
index d4834a3..ba8d40b 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceOrderByAfterSubplan.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceOrderByAfterSubplan.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -23,17 +23,17 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * If there is any ordering property before the subplan operator, the ordering should
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceStructuralPropertiesRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceStructuralPropertiesRule.java
index ebd7da1..1e8e401 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceStructuralPropertiesRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceStructuralPropertiesRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -24,69 +24,69 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.FDsAndEquivClassesVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AbstractStableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.BroadcastPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.ExternalGroupByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HashPartitionExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HashPartitionMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.InMemoryStableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.PreSortedDistinctByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.PreclusteredGroupByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RandomMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RandomPartitionPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RangePartitionMergePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RangePartitionPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SortMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.DefaultNodeGroupDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.INodeDomain;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty.PartitioningType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
-import edu.uci.ics.hyracks.algebricks.rewriter.util.PhysicalOptimizationsUtil;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.range.IRangeMap;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.EquivalenceClass;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.FDsAndEquivClassesVisitor;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AbstractStableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.BroadcastPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.ExternalGroupByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HashPartitionExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HashPartitionMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.InMemoryStableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.PreSortedDistinctByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.PreclusteredGroupByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RandomMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RandomPartitionPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RangePartitionMergePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RangePartitionPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SortMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
+import org.apache.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
+import org.apache.hyracks.algebricks.core.algebra.properties.DefaultNodeGroupDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty.PropertyType;
+import org.apache.hyracks.algebricks.core.algebra.properties.INodeDomain;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningProperty.PartitioningType;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPartitioningRequirementsCoordinator;
+import org.apache.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalGroupingProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.LocalOrderProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import org.apache.hyracks.algebricks.core.algebra.properties.PropertiesUtil;
+import org.apache.hyracks.algebricks.core.algebra.properties.RandomPartitioningProperty;
+import org.apache.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import org.apache.hyracks.algebricks.core.algebra.properties.UnorderedPartitionedProperty;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.rewriter.util.PhysicalOptimizationsUtil;
+import org.apache.hyracks.dataflow.common.data.partition.range.IRangeMap;
 
 public class EnforceStructuralPropertiesRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonExpressionsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonExpressionsRule.java
index 41cf470..e488400 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonExpressionsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonExpressionsRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -25,26 +25,26 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Factors out common sub-expressions by assigning them to a variables, and replacing the common sub-expressions with references to those variables.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java
index 07621ce..0e0c2c9 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractCommonOperatorsRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.BitSet;
@@ -25,27 +25,27 @@
 import org.apache.commons.lang3.mutable.MutableInt;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.IsomorphismUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AssignPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.OneToOneExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.ReplicatePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StreamProjectPOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ReplicateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.IsomorphismUtilities;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AssignPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.OneToOneExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.ReplicatePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StreamProjectPOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class ExtractCommonOperatorsRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractFunctionsFromJoinConditionRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractFunctionsFromJoinConditionRule.java
index 8f8e62b..ff94f8e 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractFunctionsFromJoinConditionRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractFunctionsFromJoinConditionRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,22 +20,22 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Factors out function expressions from each comparison function or similarity function in join condition by
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractGbyExpressionsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractGbyExpressionsRule.java
index 2790166..8bec65b 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractGbyExpressionsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ExtractGbyExpressionsRule.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
 
 /**
  * Needed only bc. current Hyrax operators require keys to be fields.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/FactorRedundantGroupAndDecorVarsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/FactorRedundantGroupAndDecorVarsRule.java
index 6cb01f2..abb3a26 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/FactorRedundantGroupAndDecorVarsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/FactorRedundantGroupAndDecorVarsRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashMap;
 import java.util.List;
@@ -22,19 +22,19 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class FactorRedundantGroupAndDecorVarsRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InferTypesRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InferTypesRule.java
index 3530a5f..9463b65 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InferTypesRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InferTypesRule.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class InferTypesRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineAssignIntoAggregateRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineAssignIntoAggregateRule.java
index 99a1fae..fb4301c 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineAssignIntoAggregateRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineAssignIntoAggregateRule.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.AbstractConstVarFunVisitor;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.AbstractConstVarFunVisitor;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class InlineAssignIntoAggregateRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java
index 9ae94ba..cb1da61 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineSingleReferenceVariablesRule.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
 
 /**
  * Inlines variables that are referenced exactly once.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java
index 6390efc..eeffe1c 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InlineVariablesRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -23,24 +23,24 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Replaces variable reference expressions with their assigned function-call expression where applicable
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertOuterJoinRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertOuterJoinRule.java
index c5aee3c..12a4306 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertOuterJoinRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertOuterJoinRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.Iterator;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class InsertOuterJoinRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertProjectBeforeUnionRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertProjectBeforeUnionRule.java
index 80b8815..502a868 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertProjectBeforeUnionRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/InsertProjectBeforeUnionRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,18 +20,18 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StreamProjectPOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StreamProjectPOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class InsertProjectBeforeUnionRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroHashPartitionMergeExchange.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroHashPartitionMergeExchange.java
index 51f2025..1d6abab 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroHashPartitionMergeExchange.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroHashPartitionMergeExchange.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HashPartitionExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HashPartitionMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SortMergeExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.OrderColumn;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HashPartitionExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HashPartitionMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SortMergeExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.OrderColumn;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class IntroHashPartitionMergeExchange implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java
index 8929623..b72ada7 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroJoinInsideSubplanRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 import java.util.ListIterator;
@@ -21,20 +21,20 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
 
 public class IntroJoinInsideSubplanRule extends AbstractDecorrelationRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceAggregateCombinerRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceAggregateCombinerRule.java
index b0dbb1e..881a131 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceAggregateCombinerRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceAggregateCombinerRule.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 import java.util.Set;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
 
 public class IntroduceAggregateCombinerRule extends AbstractIntroduceCombinerRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByCombinerRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByCombinerRule.java
index aa418ea..4ff719c 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByCombinerRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByCombinerRule.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
 
 public class IntroduceGroupByCombinerRule extends AbstractIntroduceGroupByCombinerRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByForSubplanRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByForSubplanRule.java
index a6d9ab0..d4f68c4 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByForSubplanRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceGroupByForSubplanRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -26,39 +26,39 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.rewriter.util.PhysicalOptimizationsUtil;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.plan.ALogicalPlanImpl;
+import org.apache.hyracks.algebricks.core.algebra.properties.FunctionalDependency;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.rewriter.util.PhysicalOptimizationsUtil;
 
 /**
  * The rule searches for SUBPLAN operator with a optional PROJECT operator and
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceProjectsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceProjectsRule.java
index 3c96bc2..87a4a4c 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceProjectsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IntroduceProjectsRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -23,17 +23,17 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Projects away unused variables at the earliest possible point.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IsolateHyracksOperatorsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IsolateHyracksOperatorsRule.java
index 71af64b..ef4551b 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IsolateHyracksOperatorsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/IsolateHyracksOperatorsRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.OneToOneExchangePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.IPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.OneToOneExchangePOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class IsolateHyracksOperatorsRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/MoveFreeVariableOperatorOutOfSubplanRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/MoveFreeVariableOperatorOutOfSubplanRule.java
index 5867abd..c84d39b 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/MoveFreeVariableOperatorOutOfSubplanRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/MoveFreeVariableOperatorOutOfSubplanRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 import java.util.ListIterator;
@@ -20,17 +20,16 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.rewriter.rules.AbstractDecorrelationRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
 
 /**
  * The rule searches for operators that can be moved outside the subplan.
@@ -180,4 +179,4 @@
     protected boolean movableOperator(LogicalOperatorTag operatorTag) {
         return (operatorTag == LogicalOperatorTag.ASSIGN || operatorTag == LogicalOperatorTag.SUBPLAN);
     }
-}
\ No newline at end of file
+}
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/NestedSubplanToJoinRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/NestedSubplanToJoinRule.java
index 6484202..c2ff781 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/NestedSubplanToJoinRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/NestedSubplanToJoinRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -22,20 +22,20 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * replace Subplan operators with nested loop joins where the join condition is true, if the Subplan
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PullSelectOutOfEqJoin.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PullSelectOutOfEqJoin.java
index b268e77..e03a386 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PullSelectOutOfEqJoin.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PullSelectOutOfEqJoin.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,21 +20,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.functions.IFunctionInfo;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PullSelectOutOfEqJoin implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignBelowUnionAllRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignBelowUnionAllRule.java
index 418ee36..9594791 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignBelowUnionAllRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignBelowUnionAllRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -22,18 +22,18 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Pushes an AssignOperator below a UnionAll operator by creating an new AssignOperator below each of
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignDownThroughProductRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignDownThroughProductRule.java
index d8523f6..95ee0c5 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignDownThroughProductRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushAssignDownThroughProductRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushAssignDownThroughProductRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushFunctionsBelowJoin.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushFunctionsBelowJoin.java
index 0d24618..a81c635 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushFunctionsBelowJoin.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushFunctionsBelowJoin.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -23,22 +23,22 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Pushes function-call expressions below a join if possible.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushGroupByIntoSortRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushGroupByIntoSortRule.java
index 56b2a8e..e093b4d 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushGroupByIntoSortRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushGroupByIntoSortRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,21 +20,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AbstractStableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SortGroupByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AbstractStableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SortGroupByPOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * @author yingyib
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushMapOperatorDownThroughProductRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushMapOperatorDownThroughProductRule.java
index 16a71a4..52d53d3 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushMapOperatorDownThroughProductRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushMapOperatorDownThroughProductRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushMapOperatorDownThroughProductRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushNestedOrderByUnderPreSortedGroupByRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushNestedOrderByUnderPreSortedGroupByRule.java
index 476096d..35dc4ae 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushNestedOrderByUnderPreSortedGroupByRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushNestedOrderByUnderPreSortedGroupByRule.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 import java.util.Set;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AbstractPhysicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AbstractPhysicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushNestedOrderByUnderPreSortedGroupByRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectDownRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectDownRule.java
index b8ff247..57f6794 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectDownRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectDownRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -23,20 +23,20 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Pushes projections through its input operator, provided that operator does
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java
index b17d50f..845d081 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushProjectIntoDataSourceScanRule.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushProjectIntoDataSourceScanRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectDownRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectDownRule.java
index cc65996..ed6c567 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectDownRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectDownRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.LinkedList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushSelectDownRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectIntoJoinRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectIntoJoinRule.java
index e29299c..09c2174 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectIntoJoinRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSelectIntoJoinRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -25,23 +25,23 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushSelectIntoJoinRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanIntoGroupByRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanIntoGroupByRule.java
index 1eef9f8..c990cf4 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanIntoGroupByRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanIntoGroupByRule.java
@@ -26,7 +26,7 @@
 
  */
 
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -36,21 +36,21 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * This rule pushes an array of subplans on top of a group-by into the
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanWithAggregateDownThroughProductRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanWithAggregateDownThroughProductRule.java
index 9c15f77..0d8ae6b 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanWithAggregateDownThroughProductRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushSubplanWithAggregateDownThroughProductRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -21,18 +21,18 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushSubplanWithAggregateDownThroughProductRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughProductRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughProductRule.java
index c70fca9..353c759 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughProductRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughProductRule.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class PushUnnestDownThroughProductRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughUnionRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughUnionRule.java
index b69bfb3..c442085 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughUnionRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/PushUnnestDownThroughUnionRule.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -21,18 +21,18 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * @author kereno, ecarm002, ildar.absalyamov
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ReinferAllTypesRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ReinferAllTypesRule.java
index aac3a18..79f388c 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ReinferAllTypesRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/ReinferAllTypesRule.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class ReinferAllTypesRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantGroupByDecorVars.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantGroupByDecorVars.java
index 1862834..b021115 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantGroupByDecorVars.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantGroupByDecorVars.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.HashSet;
 import java.util.Iterator;
@@ -20,18 +20,18 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Removes duplicate variables from a group-by operator's decor list.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantProjectionRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantProjectionRule.java
index 10091b8..c6f67ca 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantProjectionRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantProjectionRule.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /*
  *  project [var-list1]
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java
index 8b1aeb4..c810f6a 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveRedundantVariablesRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -22,27 +22,27 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractLogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.ProjectOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Replaces redundant variable references with their bottom-most equivalent representative.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveUnusedAssignAndAggregateRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveUnusedAssignAndAggregateRule.java
index de4fbfb..06103c7 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveUnusedAssignAndAggregateRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/RemoveUnusedAssignAndAggregateRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -23,23 +23,23 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.utils.ListSet;
-import edu.uci.ics.hyracks.algebricks.common.utils.Triple;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.utils.ListSet;
+import org.apache.hyracks.algebricks.common.utils.Triple;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnionAllOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.UnnestOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Removes unused variables from Assign, Unnest, Aggregate, and UnionAll operators.
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetAlgebricksPhysicalOperatorsRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetAlgebricksPhysicalOperatorsRule.java
index bc7255b..c43e1d4 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetAlgebricksPhysicalOperatorsRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetAlgebricksPhysicalOperatorsRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,67 +20,67 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
-import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AggregatePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AssignPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.BulkloadPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.DataSourceScanPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.DistributeResultPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.EmptyTupleSourcePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.ExternalGroupByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.InMemoryStableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.IndexBulkloadPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.IndexInsertDeletePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.InsertDeletePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.MicroPreclusteredGroupByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.NestedTupleSourcePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.PreSortedDistinctByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.PreclusteredGroupByPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.ReplicatePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.RunningAggregatePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SinkPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SinkWritePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StableSortPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StreamLimitPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StreamProjectPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StreamSelectPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.StringStreamingScriptPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.SubplanPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.TokenizePOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.UnionAllPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.UnnestPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.WriteResultPOperator;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
-import edu.uci.ics.hyracks.algebricks.rewriter.util.JoinUtils;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.common.utils.Pair;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.base.OperatorAnnotations;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IDataSource;
+import org.apache.hyracks.algebricks.core.algebra.metadata.IMetadataProvider;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AggregateOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DataSourceScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.DistinctOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.LeftOuterJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.TokenizeOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.WriteResultOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AggregatePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AssignPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.BulkloadPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.DataSourceScanPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.DistributeResultPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.EmptyTupleSourcePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.ExternalGroupByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.InMemoryStableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.IndexBulkloadPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.IndexInsertDeletePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.InsertDeletePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.MicroPreclusteredGroupByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.NestedTupleSourcePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.PreSortedDistinctByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.PreclusteredGroupByPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.ReplicatePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.RunningAggregatePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SinkPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SinkWritePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StableSortPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StreamLimitPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StreamProjectPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StreamSelectPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.StringStreamingScriptPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.SubplanPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.TokenizePOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.UnionAllPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.UnnestPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.WriteResultPOperator;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
+import org.apache.hyracks.algebricks.rewriter.util.JoinUtils;
 
 public class SetAlgebricksPhysicalOperatorsRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetExecutionModeRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetExecutionModeRule.java
index d938f73..ae98bf5 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetExecutionModeRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SetExecutionModeRule.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorManipulationUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * This rule sets the executionMode property of an operator, w/o introducing
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SimpleUnnestToProductRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SimpleUnnestToProductRule.java
index f6c6ad8..e13c5b6 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SimpleUnnestToProductRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SimpleUnnestToProductRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -22,20 +22,20 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractScanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractScanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 public class SimpleUnnestToProductRule implements IAlgebraicRewriteRule {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SubplanOutOfGroupRule.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SubplanOutOfGroupRule.java
index f249122..5cdc972 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SubplanOutOfGroupRule.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/SubplanOutOfGroupRule.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.rules;
+package org.apache.hyracks.algebricks.rewriter.rules;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -21,18 +21,18 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
-import edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
-import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.SubplanOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
+import org.apache.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil;
+import org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
 
 /**
  * Looks for a nested group-by plan ending in
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java
index 0881b50..d97a2b1 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/JoinUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.util;
+package org.apache.hyracks.algebricks.rewriter.util;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -21,28 +21,28 @@
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation.BroadcastSide;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IExpressionAnnotation;
-import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions.ComparisonKind;
-import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.LogicalPropertiesVisitor;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AbstractJoinPOperator.JoinPartitioningType;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.HybridHashJoinPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.InMemoryHashJoinPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.NLJoinPOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
+import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.BroadcastExpressionAnnotation.BroadcastSide;
+import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionAnnotation;
+import org.apache.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions;
+import org.apache.hyracks.algebricks.core.algebra.functions.AlgebricksBuiltinFunctions.ComparisonKind;
+import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractBinaryJoinOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.LogicalPropertiesVisitor;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.AbstractJoinPOperator.JoinPartitioningType;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.HybridHashJoinPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.InMemoryHashJoinPOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.physical.NLJoinPOperator;
+import org.apache.hyracks.algebricks.core.algebra.properties.ILogicalPropertiesVector;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 
 public class JoinUtils {
 
diff --git a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/PhysicalOptimizationsUtil.java b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/PhysicalOptimizationsUtil.java
index ecacc05..a0b5678 100644
--- a/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/PhysicalOptimizationsUtil.java
+++ b/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/util/PhysicalOptimizationsUtil.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.rewriter.util;
+package org.apache.hyracks.algebricks.rewriter.util;
 
 import java.util.HashSet;
 import java.util.Set;
 
 import org.apache.commons.lang3.mutable.Mutable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
-import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.FDsAndEquivClassesVisitor;
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import org.apache.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractOperatorWithNestedPlans;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.NestedTupleSourceOperator;
+import org.apache.hyracks.algebricks.core.algebra.operators.logical.visitors.FDsAndEquivClassesVisitor;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
 
 public class PhysicalOptimizationsUtil {
 
diff --git a/algebricks/algebricks-runtime/pom.xml b/algebricks/algebricks-runtime/pom.xml
index 8f31b6d..9262607 100644
--- a/algebricks/algebricks-runtime/pom.xml
+++ b/algebricks/algebricks-runtime/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-runtime</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,27 +49,27 @@
   </build>
   <dependencies>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-storage-am-btree</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-storage-am-rtree</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-dataflow-std</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-common</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>algebricks-data</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountAggregateFunctionFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountAggregateFunctionFactory.java
index e6baffa..0a87003 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountAggregateFunctionFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountAggregateFunctionFactory.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.aggregators;
+package org.apache.hyracks.algebricks.runtime.aggregators;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class TupleCountAggregateFunctionFactory implements IAggregateEvaluatorFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountRunningAggregateFunctionFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountRunningAggregateFunctionFactory.java
index 37f2bca..a3618b0 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountRunningAggregateFunctionFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/aggregators/TupleCountRunningAggregateFunctionFactory.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.aggregators;
+package org.apache.hyracks.algebricks.runtime.aggregators;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class TupleCountRunningAggregateFunctionFactory implements IRunningAggregateEvaluatorFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/AlgebricksPipeline.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/AlgebricksPipeline.java
index 1f24aa1..51d8064 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/AlgebricksPipeline.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/AlgebricksPipeline.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class AlgebricksPipeline implements Serializable {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluator.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluator.java
index 5719bff..bb893ce 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluator.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface IAggregateEvaluator {
     public void init() throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluatorFactory.java
index 1c8e1c7..32065a2 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IAggregateEvaluatorFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IAggregateEvaluatorFactory extends Serializable {
     public IAggregateEvaluator createAggregateEvaluator(IHyracksTaskContext ctx) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunction.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunction.java
index fd21e98..761d27d 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunction.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunction.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ICopyAggregateFunction {
     /** should be called each time a new aggregate value is computed */
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunctionFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunctionFactory.java
index e8ae777..76cfc42 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunctionFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyAggregateFunctionFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
 
 public interface ICopyAggregateFunctionFactory extends Serializable {
     public ICopyAggregateFunction createAggregateFunction(IDataOutputProvider provider) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluator.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluator.java
index d593103..f3a5cd0 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluator.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluator.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ICopyEvaluator {
     public void evaluate(IFrameTupleReference tuple) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluatorFactory.java
index beb8e47..5fc3760 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyEvaluatorFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
 
 public interface ICopyEvaluatorFactory extends Serializable {
     public ICopyEvaluator createEvaluator(IDataOutputProvider output) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunction.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunction.java
index 8030425..0e25375 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunction.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunction.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ICopyRunningAggregateFunction {
     public void init() throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunctionFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunctionFactory.java
index 52982aa..7e65b5e 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunctionFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyRunningAggregateFunctionFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
 
 public interface ICopyRunningAggregateFunctionFactory extends Serializable {
     public ICopyRunningAggregateFunction createRunningAggregateFunction(IDataOutputProvider provider)
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunction.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunction.java
index a9649b0..996767c 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunction.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunction.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ICopySerializableAggregateFunction {
     /**
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunctionFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunctionFactory.java
index b813be0..46e665b 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunctionFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopySerializableAggregateFunctionFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 
 public interface ICopySerializableAggregateFunctionFactory extends Serializable {
     public ICopySerializableAggregateFunction createAggregateFunction() throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunction.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunction.java
index d3a8a1b..e28cb5c 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunction.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunction.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ICopyUnnestingFunction {
     public void init(IFrameTupleReference tuple) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunctionFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunctionFactory.java
index 46083bd..d9f0866 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunctionFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/ICopyUnnestingFunctionFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
 
 public interface ICopyUnnestingFunctionFactory extends Serializable {
     public ICopyUnnestingFunction createUnnestingFunction(IDataOutputProvider provider) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntime.java
index ff0c429..ce64d03 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntime.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public interface IPushRuntime extends IFrameWriter {
     public void setFrameWriter(int index, IFrameWriter writer, RecordDescriptor recordDesc);
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntimeFactory.java
index 703bc1f..f18557e 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IPushRuntimeFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IPushRuntimeFactory extends Serializable {
     public IPushRuntime createPushRuntime(IHyracksTaskContext ctx) throws AlgebricksException, HyracksDataException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluator.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluator.java
index 8f1fb23..cb5d210 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluator.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface IRunningAggregateEvaluator {
     public void init() throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluatorFactory.java
index 96cdc2f..456adef 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IRunningAggregateEvaluatorFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 
 public interface IRunningAggregateEvaluatorFactory extends Serializable {
     public IRunningAggregateEvaluator createRunningAggregateEvaluator() throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluator.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluator.java
index 2480422..7d33811 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluator.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface IScalarEvaluator {
     public void evaluate(IFrameTupleReference tuple, IPointable result) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluatorFactory.java
index 037b8ed..649dce8 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IScalarEvaluatorFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IScalarEvaluatorFactory extends Serializable {
     public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluator.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluator.java
index e102605..8346c13 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluator.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface IUnnestingEvaluator {
     public void init(IFrameTupleReference tuple) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluatorFactory.java
index 02bc7a7..1200106 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingEvaluatorFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IUnnestingEvaluatorFactory extends Serializable {
     public IUnnestingEvaluator createUnnestingEvaluator(IHyracksTaskContext ctx) throws AlgebricksException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingPositionWriter.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingPositionWriter.java
index 65f5083..01afcf6 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingPositionWriter.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/base/IUnnestingPositionWriter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.base;
+package org.apache.hyracks.algebricks.runtime.base;
 
 import java.io.DataOutput;
 import java.io.IOException;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ColumnAccessEvalFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ColumnAccessEvalFactory.java
index 1ba4bdf..e231ce1 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ColumnAccessEvalFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ColumnAccessEvalFactory.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.evaluators;
+package org.apache.hyracks.algebricks.runtime.evaluators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class ColumnAccessEvalFactory implements ICopyEvaluatorFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvalFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvalFactory.java
index e637338..ae3fe6e 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvalFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvalFactory.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.evaluators;
+package org.apache.hyracks.algebricks.runtime.evaluators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class ConstantEvalFactory implements ICopyEvaluatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvaluatorFactory.java
index ecfd48d..83ff412 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/ConstantEvaluatorFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.evaluators;
+package org.apache.hyracks.algebricks.runtime.evaluators;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class ConstantEvaluatorFactory implements IScalarEvaluatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/TupleFieldEvaluatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/TupleFieldEvaluatorFactory.java
index c84ca26..32e2d84 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/TupleFieldEvaluatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/evaluators/TupleFieldEvaluatorFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.evaluators;
+package org.apache.hyracks.algebricks.runtime.evaluators;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class TupleFieldEvaluatorFactory implements IScalarEvaluatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/AggregateRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/AggregateRuntimeFactory.java
index e00e64a..3df3523 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/AggregateRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/AggregateRuntimeFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg;
+package org.apache.hyracks.algebricks.runtime.operators.aggreg;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
 
 public class AggregateRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
index 618768c..cf985c1 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg;
+package org.apache.hyracks.algebricks.runtime.operators.aggreg;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory.NestedTupleSourceRuntime;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory.NestedTupleSourceRuntime;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
 
 public class NestedPlansAccumulatingAggregatorFactory extends AbstractAccumulatingAggregatorDescriptorFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
index b7e736e..600e105 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg;
+package org.apache.hyracks.algebricks.runtime.operators.aggreg;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory.NestedTupleSourceRuntime;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory.NestedTupleSourceRuntime;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 public class NestedPlansRunningAggregatorFactory implements IAggregatorDescriptorFactory {
 
@@ -49,7 +49,7 @@
     }
 
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory#createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext, edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, int[], int[])
+     * @see org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory#createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext, org.apache.hyracks.api.dataflow.value.RecordDescriptor, org.apache.hyracks.api.dataflow.value.RecordDescriptor, int[], int[])
      */
     @Override
     public IAggregatorDescriptor createAggregator(final IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SerializableAggregatorDescriptorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SerializableAggregatorDescriptorFactory.java
index 39db3e1..ffe11ad 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SerializableAggregatorDescriptorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SerializableAggregatorDescriptorFactory.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg;
+package org.apache.hyracks.algebricks.runtime.operators.aggreg;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunction;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunction;
+import org.apache.hyracks.algebricks.runtime.base.ICopySerializableAggregateFunctionFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
 
 public class SerializableAggregatorDescriptorFactory extends AbstractAccumulatingAggregatorDescriptorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java
index b3eab7b..b29dfa3 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg;
+package org.apache.hyracks.algebricks.runtime.operators.aggreg;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
 
 public class SimpleAlgebricksAccumulatingAggregatorFactory extends AbstractAccumulatingAggregatorDescriptorFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFieldFramePushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFieldFramePushRuntime.java
index cd71125..8eb7a87 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFieldFramePushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFieldFramePushRuntime.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameFieldAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameFixedFieldTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.api.comm.IFrameFieldAppender;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameFixedFieldTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
 
 public abstract class AbstractOneInputOneOutputOneFieldFramePushRuntime
         extends AbstractOneInputOneOutputOneFramePushRuntime {
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFramePushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFramePushRuntime.java
index ec4e039..9c1a94f 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFramePushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputOneFramePushRuntime.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameAppender;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
 
 public abstract class AbstractOneInputOneOutputOneFramePushRuntime extends AbstractOneInputOneOutputPushRuntime {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputPushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputPushRuntime.java
index 0d3febf..cf5521f 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputPushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputPushRuntime.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public abstract class AbstractOneInputOneOutputPushRuntime extends AbstractOneInputPushRuntime {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputRuntimeFactory.java
index 1d31916..344972b 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputOneOutputRuntimeFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractOneInputOneOutputRuntimeFactory implements IPushRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputPushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputPushRuntime.java
index 47ebac1..6a601bb 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputPushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputPushRuntime.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractOneInputPushRuntime implements IPushRuntime {
     protected IFrameWriter writer;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSinkPushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSinkPushRuntime.java
index b328aab..66c8249 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSinkPushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSinkPushRuntime.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public abstract class AbstractOneInputSinkPushRuntime implements IPushRuntime {
     protected RecordDescriptor inputRecordDesc;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSourcePushRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSourcePushRuntime.java
index 8e71cd7..ad173d7 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSourcePushRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/AbstractOneInputSourcePushRuntime.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractOneInputSourcePushRuntime extends AbstractOneInputPushRuntime {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/SinkRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/SinkRuntimeFactory.java
index 33f28c3..ce81bf5 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/SinkRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/base/SinkRuntimeFactory.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.base;
+package org.apache.hyracks.algebricks.runtime.operators.base;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class SinkRuntimeFactory implements IPushRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/group/MicroPreClusteredGroupRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/group/MicroPreClusteredGroupRuntimeFactory.java
index 3380d08..ddea816 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/group/MicroPreClusteredGroupRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/group/MicroPreClusteredGroupRuntimeFactory.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.group;
+package org.apache.hyracks.algebricks.runtime.operators.group;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputPushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter;
 
 public class MicroPreClusteredGroupRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java
index 06ef109..48f6cb6 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.meta;
+package org.apache.hyracks.algebricks.runtime.operators.meta;
 
 import java.nio.ByteBuffer;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public class AlgebricksMetaOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/PipelineAssembler.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/PipelineAssembler.java
index 5bcf933..368a035 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/PipelineAssembler.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/PipelineAssembler.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.meta;
+package org.apache.hyracks.algebricks.runtime.operators.meta;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class PipelineAssembler {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java
index cf40669..95df29d 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/SubplanRuntimeFactory.java
@@ -12,27 +12,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.meta;
+package org.apache.hyracks.algebricks.runtime.operators.meta;
 
 import java.io.DataOutput;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory.NestedTupleSourceRuntime;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputPushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory.NestedTupleSourceRuntime;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 public class SubplanRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java
index d3751f5..90d05e2 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.sort;
+package org.apache.hyracks.algebricks.runtime.operators.sort;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.sort.FrameSorterMergeSort;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotLastFit;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.common.exceptions.NotImplementedException;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputPushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.sort.FrameSorterMergeSort;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotLastFit;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
 
 public class InMemorySortRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/AssignRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/AssignRuntimeFactory.java
index fb889ea..7604c82 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/AssignRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/AssignRuntimeFactory.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
 
 public class AssignRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/EmptyTupleSourceRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/EmptyTupleSourceRuntimeFactory.java
index 35fcafc..f496c9a 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/EmptyTupleSourceRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/EmptyTupleSourceRuntimeFactory.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputSourcePushRuntime;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputSourcePushRuntime;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
 
 public class EmptyTupleSourceRuntimeFactory implements IPushRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/NestedTupleSourceRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/NestedTupleSourceRuntimeFactory.java
index 8df87ab..2836198 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/NestedTupleSourceRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/NestedTupleSourceRuntimeFactory.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class NestedTupleSourceRuntimeFactory implements IPushRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java
index 1d2d27c..975438a 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspector;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputOperatorNodePushable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspector;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputOperatorNodePushable;
 
 public class PartitioningSplitOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PrinterRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PrinterRuntimeFactory.java
index c2ecc56..608d81e 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PrinterRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/PrinterRuntimeFactory.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
-import edu.uci.ics.hyracks.algebricks.data.IAWriter;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.data.IAWriter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class PrinterRuntimeFactory implements IPushRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/RunningAggregateRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/RunningAggregateRuntimeFactory.java
index 154f2d1..20f17ae 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/RunningAggregateRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/RunningAggregateRuntimeFactory.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
 
 public class RunningAggregateRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntime.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntime.java
index d26d090..7d19287 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntime.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntime.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.io.PrintStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IAWriter;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputSinkPushRuntime;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IAWriter;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputSinkPushRuntime;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 public class SinkWriterRuntime extends AbstractOneInputSinkPushRuntime {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntimeFactory.java
index a98bef3..d7eebf6 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/SinkWriterRuntimeFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
@@ -20,14 +20,14 @@
 import java.io.FileOutputStream;
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IAWriter;
-import edu.uci.ics.hyracks.algebricks.data.IAWriterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IAWriter;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntime;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class SinkWriterRuntimeFactory implements IPushRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamLimitRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamLimitRuntimeFactory.java
index 7d128aa..beb7099 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamLimitRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamLimitRuntimeFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryIntegerInspector;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IBinaryIntegerInspector;
+import org.apache.hyracks.algebricks.data.IBinaryIntegerInspectorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 public class StreamLimitRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamProjectRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamProjectRuntimeFactory.java
index c0ae029..274bb5d 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamProjectRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamProjectRuntimeFactory.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class StreamProjectRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamSelectRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamSelectRuntimeFactory.java
index 4ed33f4..0c5464f 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamSelectRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StreamSelectRuntimeFactory.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.io.DataOutput;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspector;
-import edu.uci.ics.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFieldFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspector;
+import org.apache.hyracks.algebricks.data.IBinaryBooleanInspectorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFieldFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 
 public class StreamSelectRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StringStreamingRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StringStreamingRuntimeFactory.java
index 6f638c9..8614ef7 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StringStreamingRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/StringStreamingRuntimeFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -21,15 +21,15 @@
 import java.io.PrintStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IPrinter;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParser;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IPrinter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.file.ITupleParser;
+import org.apache.hyracks.dataflow.std.file.ITupleParserFactory;
 
 public class StringStreamingRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java
index c138d14..ea25020 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/std/UnnestRuntimeFactory.java
@@ -12,27 +12,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.operators.std;
+package org.apache.hyracks.algebricks.runtime.operators.std;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingPositionWriter;
-import edu.uci.ics.hyracks.algebricks.runtime.evaluators.ConstantEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingPositionWriter;
+import org.apache.hyracks.algebricks.runtime.evaluators.ConstantEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime;
+import org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputRuntimeFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class UnnestRuntimeFactory extends AbstractOneInputOneOutputRuntimeFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java
index 9f610f7..24ff123 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/serializer/ResultSerializerFactoryProvider.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.serializer;
+package org.apache.hyracks.algebricks.runtime.serializer;
 
 import java.io.PrintStream;
 import java.nio.BufferOverflowException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IAWriter;
-import edu.uci.ics.hyracks.algebricks.data.IAWriterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IResultSerializerFactoryProvider;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializer;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IAWriter;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.IResultSerializerFactoryProvider;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.IResultSerializer;
+import org.apache.hyracks.api.dataflow.value.IResultSerializerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class ResultSerializerFactoryProvider implements IResultSerializerFactoryProvider {
     private static final long serialVersionUID = 1L;
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/PrinterBasedWriterFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/PrinterBasedWriterFactory.java
index bb7a748..73170a9 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/PrinterBasedWriterFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/PrinterBasedWriterFactory.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.writers;
+package org.apache.hyracks.algebricks.runtime.writers;
 
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IAWriter;
-import edu.uci.ics.hyracks.algebricks.data.IAWriterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinter;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IAWriter;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
+import org.apache.hyracks.algebricks.data.IPrinter;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class PrinterBasedWriterFactory implements IAWriterFactory {
 
diff --git a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java
index 0658b3f..e8f2359 100644
--- a/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/writers/SerializedDataWriterFactory.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.runtime.writers;
+package org.apache.hyracks.algebricks.runtime.writers;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.ObjectOutputStream;
 import java.io.PrintStream;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.data.IAWriter;
-import edu.uci.ics.hyracks.algebricks.data.IAWriterFactory;
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.data.IAWriter;
+import org.apache.hyracks.algebricks.data.IAWriterFactory;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class SerializedDataWriterFactory implements IAWriterFactory {
 
diff --git a/algebricks/algebricks-tests/pom.xml b/algebricks/algebricks-tests/pom.xml
index 9d698b1..2c9953b 100644
--- a/algebricks/algebricks-tests/pom.xml
+++ b/algebricks/algebricks-tests/pom.xml
@@ -18,7 +18,7 @@
   <name>algebricks-tests</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -54,7 +54,7 @@
             <configuration>
               <tasks>
                 <ant antfile="build-script.xml" target="build">
-                  <property name="main.class" value="edu.uci.ics.hyracks.algebricks.tests.script.IdentityStreamingScript" />
+                  <property name="main.class" value="org.apache.hyracks.algebricks.tests.script.IdentityStreamingScript" />
                   <property name="script.classpath" refid="maven.compile.classpath" />
                   <property name="jvm.params" value="" />
                   <property name="program.params" value="" />
@@ -112,22 +112,22 @@
       <artifactId>junit</artifactId>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>algebricks-compiler</artifactId>
       <version>0.2.16-SNAPSHOT</version>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-cc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-nc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-data-std</artifactId>
       <version>0.2.16-SNAPSHOT</version>
     </dependency>
diff --git a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntArrayUnnester.java b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntArrayUnnester.java
index 696ab15..4405acc 100644
--- a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntArrayUnnester.java
+++ b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntArrayUnnester.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.pushruntime;
+package org.apache.hyracks.algebricks.tests.pushruntime;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class IntArrayUnnester implements IUnnestingEvaluatorFactory {
 
diff --git a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerAddEvalFactory.java b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerAddEvalFactory.java
index 99cb728..cd37ad1 100644
--- a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerAddEvalFactory.java
+++ b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerAddEvalFactory.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.pushruntime;
+package org.apache.hyracks.algebricks.tests.pushruntime;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class IntegerAddEvalFactory implements IScalarEvaluatorFactory {
 
diff --git a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerConstantEvalFactory.java b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerConstantEvalFactory.java
index f96ea9e..bfa0e95 100644
--- a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerConstantEvalFactory.java
+++ b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerConstantEvalFactory.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.pushruntime;
+package org.apache.hyracks.algebricks.tests.pushruntime;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class IntegerConstantEvalFactory implements IScalarEvaluatorFactory {
 
diff --git a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerEqualsEvalFactory.java b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerEqualsEvalFactory.java
index 4134995..36cdf02 100644
--- a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerEqualsEvalFactory.java
+++ b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerEqualsEvalFactory.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.pushruntime;
+package org.apache.hyracks.algebricks.tests.pushruntime;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class IntegerEqualsEvalFactory implements IScalarEvaluatorFactory {
 
diff --git a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerGreaterThanEvalFactory.java b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerGreaterThanEvalFactory.java
index 30901b4..4b4dda5 100644
--- a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerGreaterThanEvalFactory.java
+++ b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/pushruntime/IntegerGreaterThanEvalFactory.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.pushruntime;
+package org.apache.hyracks.algebricks.tests.pushruntime;
 
-import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class IntegerGreaterThanEvalFactory implements IScalarEvaluatorFactory {
 
diff --git a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/script/IdentityStreamingScript.java b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/script/IdentityStreamingScript.java
index a6536c8..53f7552 100644
--- a/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/script/IdentityStreamingScript.java
+++ b/algebricks/algebricks-tests/src/main/java/org/apache/hyracks/algebricks/tests/script/IdentityStreamingScript.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.script;
+package org.apache.hyracks.algebricks.tests.script;
 
 import java.io.BufferedReader;
 import java.io.IOException;
diff --git a/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/pushruntime/PushRuntimeTest.java b/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/pushruntime/PushRuntimeTest.java
index 0876194..92b1dd0 100644
--- a/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/pushruntime/PushRuntimeTest.java
+++ b/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/pushruntime/PushRuntimeTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.pushruntime;
+package org.apache.hyracks.algebricks.tests.pushruntime;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -25,75 +25,75 @@
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.impl.BinaryBooleanInspectorImpl;
-import edu.uci.ics.hyracks.algebricks.data.impl.BinaryIntegerInspectorImpl;
-import edu.uci.ics.hyracks.algebricks.data.impl.IntegerPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.data.impl.NoopNullWriterFactory;
-import edu.uci.ics.hyracks.algebricks.data.impl.UTF8StringPrinterFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.aggregators.TupleCountAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.aggregators.TupleCountRunningAggregateFunctionFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.AlgebricksPipeline;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.evaluators.TupleFieldEvaluatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.AggregateRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.NestedPlansAccumulatingAggregatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.group.MicroPreClusteredGroupRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.sort.InMemorySortRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.AssignRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.EmptyTupleSourceRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.PrinterRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.RunningAggregateRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.SinkWriterRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StreamLimitRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StreamProjectRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StreamSelectRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.StringStreamingRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory;
-import edu.uci.ics.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
-import edu.uci.ics.hyracks.algebricks.tests.util.AlgebricksHyracksIntegrationUtil;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.LineFileWriteOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.SplitOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
+import org.apache.hyracks.algebricks.data.IPrinterFactory;
+import org.apache.hyracks.algebricks.data.impl.BinaryBooleanInspectorImpl;
+import org.apache.hyracks.algebricks.data.impl.BinaryIntegerInspectorImpl;
+import org.apache.hyracks.algebricks.data.impl.IntegerPrinterFactory;
+import org.apache.hyracks.algebricks.data.impl.NoopNullWriterFactory;
+import org.apache.hyracks.algebricks.data.impl.UTF8StringPrinterFactory;
+import org.apache.hyracks.algebricks.runtime.aggregators.TupleCountAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.aggregators.TupleCountRunningAggregateFunctionFactory;
+import org.apache.hyracks.algebricks.runtime.base.AlgebricksPipeline;
+import org.apache.hyracks.algebricks.runtime.base.IAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.base.IRunningAggregateEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.base.IUnnestingEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.evaluators.TupleFieldEvaluatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.AggregateRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.NestedPlansAccumulatingAggregatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.aggreg.SimpleAlgebricksAccumulatingAggregatorFactory;
+import org.apache.hyracks.algebricks.runtime.operators.group.MicroPreClusteredGroupRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor;
+import org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.sort.InMemorySortRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.AssignRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.EmptyTupleSourceRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.NestedTupleSourceRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.PrinterRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.RunningAggregateRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.SinkWriterRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamLimitRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamProjectRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StreamSelectRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.StringStreamingRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory;
+import org.apache.hyracks.algebricks.runtime.writers.PrinterBasedWriterFactory;
+import org.apache.hyracks.algebricks.tests.util.AlgebricksHyracksIntegrationUtil;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.FloatParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.LineFileWriteOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.SplitOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
 
 public class PushRuntimeTest {
 
diff --git a/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/tools/WriteValueTest.java b/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/tools/WriteValueTest.java
index 283f02a..f770651 100644
--- a/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/tools/WriteValueTest.java
+++ b/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/tools/WriteValueTest.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.tools;
+package org.apache.hyracks.algebricks.tests.tools;
 
 import java.io.DataOutput;
 import java.io.DataOutputStream;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.algebricks.data.utils.WriteValueTools;
-import edu.uci.ics.hyracks.data.std.util.ByteArrayAccessibleOutputStream;
+import org.apache.hyracks.algebricks.data.utils.WriteValueTools;
+import org.apache.hyracks.data.std.util.ByteArrayAccessibleOutputStream;
 
 public class WriteValueTest {
 
diff --git a/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java b/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java
index b97053a..0202a08 100644
--- a/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java
+++ b/algebricks/algebricks-tests/src/test/java/org/apache/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.algebricks.tests.util;
+package org.apache.hyracks.algebricks.tests.util;
 
 import java.util.EnumSet;
 
-import edu.uci.ics.hyracks.algebricks.core.config.AlgebricksConfig;
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.algebricks.core.config.AlgebricksConfig;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class AlgebricksHyracksIntegrationUtil {
 
diff --git a/algebricks/pom.xml b/algebricks/pom.xml
index 1cddd92..95b1c7a 100644
--- a/algebricks/pom.xml
+++ b/algebricks/pom.xml
@@ -14,14 +14,14 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks</groupId>
+  <groupId>org.apache.hyracks</groupId>
   <artifactId>algebricks</artifactId>
   <version>0.2.16-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>algebricks</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>fullstack</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-api/pom.xml b/hyracks/hyracks-api/pom.xml
index 2d4d7bd..7cd7f06 100644
--- a/hyracks/hyracks-api/pom.xml
+++ b/hyracks/hyracks-api/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-api</artifactId>
   <name>hyracks-api</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -68,7 +68,7 @@
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-ipc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IApplicationContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IApplicationContext.java
index df7b768..06db12a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IApplicationContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IApplicationContext.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
 import java.io.Serializable;
 import java.util.concurrent.ThreadFactory;
 
-import edu.uci.ics.hyracks.api.job.IJobSerializerDeserializerContainer;
-import edu.uci.ics.hyracks.api.messages.IMessageBroker;
+import org.apache.hyracks.api.job.IJobSerializerDeserializerContainer;
+import org.apache.hyracks.api.messages.IMessageBroker;
 
 /**
  * Base class of the {@link ICCApplicationContext} and the {@link INCApplicationContext}.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationContext.java
index 1ca4c6d..80d0302 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationContext.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.ICCContext;
-import edu.uci.ics.hyracks.api.job.IJobLifecycleListener;
+import org.apache.hyracks.api.context.ICCContext;
+import org.apache.hyracks.api.job.IJobLifecycleListener;
 
 /**
  * Application Context at the Cluster Controller for an application.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationEntryPoint.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationEntryPoint.java
index 5530951..9cb15a2 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationEntryPoint.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/ICCApplicationEntryPoint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
 public interface ICCApplicationEntryPoint {
     public void start(ICCApplicationContext ccAppCtx, String[] args) throws Exception;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IClusterLifecycleListener.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IClusterLifecycleListener.java
index 5a567b4..bbb7ea0 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IClusterLifecycleListener.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IClusterLifecycleListener.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
 import java.util.Map;
 import java.util.Set;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationContext.java
index c94fa9a..ab7031d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationContext.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponentManager;
-import edu.uci.ics.hyracks.api.resources.memory.IMemoryManager;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponentManager;
+import org.apache.hyracks.api.resources.memory.IMemoryManager;
 
 /**
  * Application Context at the Node Controller for an application.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationEntryPoint.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationEntryPoint.java
index 4cdfbbb..e16635b 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationEntryPoint.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/INCApplicationEntryPoint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
 public interface INCApplicationEntryPoint {
     public void start(INCApplicationContext ncAppCtx, String[] args) throws Exception;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IStateDumpHandler.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IStateDumpHandler.java
index 149df1d..7471521 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IStateDumpHandler.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/application/IStateDumpHandler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.application;
+package org.apache.hyracks.api.application;
 
 import java.io.IOException;
 import java.io.OutputStream;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannel.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannel.java
index 660e8b1..ec619d3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannel.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannel.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.channels;
+package org.apache.hyracks.api.channels;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IInputChannel {
     public void registerMonitor(IInputChannelMonitor monitor);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannelMonitor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannelMonitor.java
index 5b737ad..5e1b1b8 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannelMonitor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/channels/IInputChannelMonitor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.channels;
+package org.apache.hyracks.api.channels;
 
 public interface IInputChannelMonitor {
     public void notifyFailure(IInputChannel channel);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/ClusterControllerInfo.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/ClusterControllerInfo.java
index 110d1e2..760042e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/ClusterControllerInfo.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/ClusterControllerInfo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java
index 2c76fc1..b7d7743 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceFunctions.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.io.Serializable;
 import java.net.URL;
 import java.util.EnumSet;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
 
 public class HyracksClientInterfaceFunctions {
     public enum FunctionId {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceRemoteProxy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceRemoteProxy.java
index 176c930..9de5e8e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceRemoteProxy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksClientInterfaceRemoteProxy.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.net.URL;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobInfo;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.RPCInterface;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobInfo;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.RPCInterface;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public class HyracksClientInterfaceRemoteProxy implements IHyracksClientInterface {
     private final IIPCHandle ipcHandle;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksConnection.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksConnection.java
index e6bfe47..f8eef57 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksConnection.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/HyracksConnection.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.io.File;
 import java.net.InetSocketAddress;
@@ -29,22 +29,22 @@
 import org.apache.http.entity.FileEntity;
 import org.apache.http.impl.client.DefaultHttpClient;
 
-import edu.uci.ics.hyracks.api.client.impl.JobSpecificationActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobInfo;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.api.util.JavaSerializationUtils;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.RPCInterface;
-import edu.uci.ics.hyracks.ipc.impl.IPCSystem;
-import edu.uci.ics.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
+import org.apache.hyracks.api.client.impl.JobSpecificationActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobInfo;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.api.util.JavaSerializationUtils;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.RPCInterface;
+import org.apache.hyracks.ipc.impl.IPCSystem;
+import org.apache.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
 
 /**
  * Connection Class used by a Hyracks Client to interact with a Hyracks Cluster
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java
index 6d1e5a2..6e24d00 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientConnection.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobInfo;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobInfo;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.topology.ClusterTopology;
 
 /**
  * Interface used by clients to communicate with the Hyracks Cluster Controller.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java
index 0b35dd7..4a48a34 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/IHyracksClientInterface.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.net.URL;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobInfo;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobInfo;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.topology.ClusterTopology;
 
 public interface IHyracksClientInterface {
     public ClusterControllerInfo getClusterControllerInfo() throws Exception;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeControllerInfo.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeControllerInfo.java
index 73c085d..6f1eb6d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeControllerInfo.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeControllerInfo.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.comm.NetworkAddress;
 
 public class NodeControllerInfo implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeStatus.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeStatus.java
index c860e40..d1c7445 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeStatus.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/NodeStatus.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client;
+package org.apache.hyracks.api.client;
 
 public enum NodeStatus {
     ALIVE,
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/ActivityClusterGraphBuilder.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/ActivityClusterGraphBuilder.java
index 39641a6..6c9bee6 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/ActivityClusterGraphBuilder.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/ActivityClusterGraphBuilder.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client.impl;
+package org.apache.hyracks.api.client.impl;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -26,14 +26,14 @@
 import org.apache.commons.lang3.tuple.Pair;
 import org.json.JSONException;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.ActivityClusterId;
-import edu.uci.ics.hyracks.api.job.JobActivityGraph;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.ActivityClusterId;
+import org.apache.hyracks.api.job.JobActivityGraph;
+import org.apache.hyracks.api.job.JobId;
 
 public class ActivityClusterGraphBuilder {
     private static final Logger LOGGER = Logger.getLogger(ActivityClusterGraphBuilder.class.getName());
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IConnectorDescriptorVisitor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IConnectorDescriptorVisitor.java
index 4838b83..1911730 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IConnectorDescriptorVisitor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IConnectorDescriptorVisitor.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client.impl;
+package org.apache.hyracks.api.client.impl;
 
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksException;
 
 public interface IConnectorDescriptorVisitor {
     public void visit(IConnectorDescriptor conn) throws HyracksException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IOperatorDescriptorVisitor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IOperatorDescriptorVisitor.java
index 22382a5..428e03d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IOperatorDescriptorVisitor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/IOperatorDescriptorVisitor.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client.impl;
+package org.apache.hyracks.api.client.impl;
 
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksException;
 
 public interface IOperatorDescriptorVisitor {
     public void visit(IOperatorDescriptor op) throws HyracksException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobActivityGraphBuilder.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobActivityGraphBuilder.java
index 2ccf753..cd1e51e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobActivityGraphBuilder.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobActivityGraphBuilder.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client.impl;
+package org.apache.hyracks.api.client.impl;
 
 import java.util.ArrayList;
 import java.util.EnumSet;
@@ -26,15 +26,15 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.job.JobActivityGraph;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.job.JobActivityGraph;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class JobActivityGraphBuilder implements IActivityGraphBuilder {
     private static final Logger LOGGER = Logger.getLogger(JobActivityGraphBuilder.class.getName());
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobSpecificationActivityClusterGraphGeneratorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobSpecificationActivityClusterGraphGeneratorFactory.java
index e71f3c9..fd961bf 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobSpecificationActivityClusterGraphGeneratorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/JobSpecificationActivityClusterGraphGeneratorFactory.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client.impl;
+package org.apache.hyracks.api.client.impl;
 
 import java.util.EnumSet;
 import java.util.HashSet;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.constraints.Constraint;
-import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGenerator;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.job.JobActivityGraph;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.api.rewriter.ActivityClusterGraphRewriter;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.constraints.Constraint;
+import org.apache.hyracks.api.constraints.IConstraintAcceptor;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.IActivityClusterGraphGenerator;
+import org.apache.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.job.JobActivityGraph;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.rewriter.ActivityClusterGraphRewriter;
 
 public class JobSpecificationActivityClusterGraphGeneratorFactory implements IActivityClusterGraphGeneratorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/PlanUtils.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/PlanUtils.java
index 4fa52cd..bbcc949 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/PlanUtils.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/client/impl/PlanUtils.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.client.impl;
+package org.apache.hyracks.api.client.impl;
 
 import java.util.HashSet;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class PlanUtils {
     public static void visit(JobSpecification spec, IOperatorDescriptorVisitor visitor) throws HyracksException {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FixedSizeFrame.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FixedSizeFrame.java
index ee92084..d36e603 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FixedSizeFrame.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FixedSizeFrame.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FixedSizeFrame implements IFrame{
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameConstants.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameConstants.java
index 176f23e..cf8a79d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameConstants.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameConstants.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 public interface FrameConstants {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameHelper.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameHelper.java
index 2376d2e..34ba177 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameHelper.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/FrameHelper.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrame.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrame.java
index ccbbb0d..6a458c2 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrame.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrame.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFrame {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameAppender.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameAppender.java
index 89b2bba..c98d192 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameAppender.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameAppender.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFrameAppender {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameFieldAppender.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameFieldAppender.java
index f66248f..6690e5a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameFieldAppender.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameFieldAppender.java
@@ -13,9 +13,9 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * The IFrameFieldAppender is used to append the data into frame field by field.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameReader.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameReader.java
index cd3c5ab..de195ed 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameReader.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameReader.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFrameReader {
     void open() throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAccessor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAccessor.java
index 130704f..3e6046c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAccessor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAccessor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAppender.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAppender.java
index 4da2afc..9142135 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAppender.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameTupleAppender.java
@@ -13,9 +13,9 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFrameTupleAppender extends IFrameAppender {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameWriter.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameWriter.java
index 538759e..a96afb9 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameWriter.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IFrameWriter.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * {@link IFrameWriter} is the interface implemented by a stream consumer. An {@link IFrameWriter} could be in one of the following states:
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionCollector.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionCollector.java
index c17b39a..de2a3c3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionCollector.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionCollector.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public interface IPartitionCollector {
     public JobId getJobId();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionWriterFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionWriterFactory.java
index 3c10395..9e5aec7 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionWriterFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/IPartitionWriterFactory.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IPartitionWriterFactory {
     public IFrameWriter createFrameWriter(int receiverIndex) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NetworkAddress.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NetworkAddress.java
index 0f1d2ab..bad7aaf 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NetworkAddress.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NetworkAddress.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -22,7 +22,7 @@
 import java.net.UnknownHostException;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class NetworkAddress implements IWritable, Serializable {
     private static final long serialVersionUID = 2L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NoShrinkVSizeFrame.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NoShrinkVSizeFrame.java
index 902ae75..5ba6713 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NoShrinkVSizeFrame.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/NoShrinkVSizeFrame.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
-import edu.uci.ics.hyracks.api.context.IHyracksFrameMgrContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksFrameMgrContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class NoShrinkVSizeFrame extends VSizeFrame {
     public NoShrinkVSizeFrame(IHyracksFrameMgrContext ctx) throws HyracksDataException {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/PartitionChannel.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/PartitionChannel.java
index 5f3cffa..febf6f3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/PartitionChannel.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/PartitionChannel.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class PartitionChannel {
     private PartitionId partitionId;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/VSizeFrame.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/VSizeFrame.java
index a5a7f19..c6670df 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/VSizeFrame.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/comm/VSizeFrame.java
@@ -13,12 +13,12 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.comm;
+package org.apache.hyracks.api.comm;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksFrameMgrContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksFrameMgrContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Variable size frame. The buffer inside can be resized.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/Constraint.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/Constraint.java
index 4350a6c..578d51f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/Constraint.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/Constraint.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints;
+package org.apache.hyracks.api.constraints;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.constraints.expressions.ConstraintExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.LValueConstraintExpression;
+import org.apache.hyracks.api.constraints.expressions.ConstraintExpression;
+import org.apache.hyracks.api.constraints.expressions.LValueConstraintExpression;
 
 public class Constraint implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/IConstraintAcceptor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/IConstraintAcceptor.java
index 806d71b..b917f7a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/IConstraintAcceptor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/IConstraintAcceptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints;
+package org.apache.hyracks.api.constraints;
 
 public interface IConstraintAcceptor {
     public void addConstraint(Constraint constraint);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/PartitionConstraintHelper.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/PartitionConstraintHelper.java
index 9c60563..9d9f6cb 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/PartitionConstraintHelper.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/PartitionConstraintHelper.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints;
+package org.apache.hyracks.api.constraints;
 
-import edu.uci.ics.hyracks.api.constraints.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionCountExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionLocationExpression;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.constraints.expressions.ConstantExpression;
+import org.apache.hyracks.api.constraints.expressions.PartitionCountExpression;
+import org.apache.hyracks.api.constraints.expressions.PartitionLocationExpression;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
 
 public class PartitionConstraintHelper {
     public static void addPartitionCountConstraint(JobSpecification spec, IOperatorDescriptor op, int count) {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstantExpression.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstantExpression.java
index f7c8414..c57e917 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstantExpression.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstantExpression.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints.expressions;
+package org.apache.hyracks.api.constraints.expressions;
 
 import java.util.Collection;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstraintExpression.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstraintExpression.java
index 59f97d6..e2d0a81 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstraintExpression.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/ConstraintExpression.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints.expressions;
+package org.apache.hyracks.api.constraints.expressions;
 
 import java.io.Serializable;
 import java.util.Collection;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/LValueConstraintExpression.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/LValueConstraintExpression.java
index 1186dde..ca1812f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/LValueConstraintExpression.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/LValueConstraintExpression.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints.expressions;
+package org.apache.hyracks.api.constraints.expressions;
 
 public abstract class LValueConstraintExpression extends ConstraintExpression {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionCountExpression.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionCountExpression.java
index 3e3597a..50667e1 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionCountExpression.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionCountExpression.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints.expressions;
+package org.apache.hyracks.api.constraints.expressions;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
 
 public final class PartitionCountExpression extends LValueConstraintExpression {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionLocationExpression.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionLocationExpression.java
index ccd816a..880a188 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionLocationExpression.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/constraints/expressions/PartitionLocationExpression.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.constraints.expressions;
+package org.apache.hyracks.api.constraints.expressions;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
 
 public final class PartitionLocationExpression extends LValueConstraintExpression {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/ICCContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/ICCContext.java
index 513357b..d7a4ccd 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/ICCContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/ICCContext.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.context;
+package org.apache.hyracks.api.context;
 
 import java.net.InetAddress;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.client.ClusterControllerInfo;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.api.client.ClusterControllerInfo;
+import org.apache.hyracks.api.topology.ClusterTopology;
 
 public interface ICCContext {
     public ClusterControllerInfo getClusterControllerInfo();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksCommonContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksCommonContext.java
index d60ff6e..02eecec 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksCommonContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksCommonContext.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.context;
+package org.apache.hyracks.api.context;
 
-import edu.uci.ics.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IIOManager;
 
 public interface IHyracksCommonContext extends IHyracksFrameMgrContext{
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksFrameMgrContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksFrameMgrContext.java
index d7a18bc..4716dfc 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksFrameMgrContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksFrameMgrContext.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.context;
+package org.apache.hyracks.api.context;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IHyracksFrameMgrContext {
     int getInitialFrameSize();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksJobletContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksJobletContext.java
index c0d7e4d..5702aa3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksJobletContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksJobletContext.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.context;
+package org.apache.hyracks.api.context;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.api.resources.IDeallocatableRegistry;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.resources.IDeallocatableRegistry;
 
 public interface IHyracksJobletContext extends IWorkspaceFileFactory, IDeallocatableRegistry {
     public INCApplicationContext getApplicationContext();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksRootContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksRootContext.java
index 9d4718e..728c954 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksRootContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksRootContext.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.context;
+package org.apache.hyracks.api.context;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.io.IIOManager;
 
 public interface IHyracksRootContext {
     public IIOManager getIOManager();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
index 0ced6aa..31d617a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.context;
+package org.apache.hyracks.api.context;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.api.resources.IDeallocatableRegistry;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.IOperatorEnvironment;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.resources.IDeallocatableRegistry;
 
 public interface IHyracksTaskContext extends IHyracksCommonContext, IWorkspaceFileFactory, IDeallocatableRegistry,
         IOperatorEnvironment {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ActivityId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ActivityId.java
index 68560e1..614bae3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ActivityId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ActivityId.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class ActivityId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ConnectorDescriptorId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ConnectorDescriptorId.java
index 5190cae..d7efd2a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ConnectorDescriptorId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/ConnectorDescriptorId.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class ConnectorDescriptorId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivity.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivity.java
index c07f503..1ca86da 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivity.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivity.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IActivity extends Serializable {
     public ActivityId getActivityId();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivityGraphBuilder.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivityGraphBuilder.java
index 9efcfb1..a6a8332 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivityGraphBuilder.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IActivityGraphBuilder.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 public interface IActivityGraphBuilder {
     public void addActivity(IOperatorDescriptor op, IActivity task);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IConnectorDescriptor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IConnectorDescriptor.java
index 4638118..aecf80d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IConnectorDescriptor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IConnectorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.Serializable;
 import java.util.BitSet;
@@ -20,15 +20,15 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.constraints.IConstraintAcceptor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.ActivityCluster;
 
 /**
  * Connector that connects operators in a Job.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataReader.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataReader.java
index aa39bea..439268f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataReader.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataReader.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Provides data to a consumer.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataWriter.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataWriter.java
index ae445df..88dfb4f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataWriter.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IDataWriter.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Accepts data from data producers.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataReader.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataReader.java
index d8f1d2c..d0c55ae 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataReader.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataReader.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IOpenableDataReader<T> extends IDataReader<T> {
     public void open() throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataWriter.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataWriter.java
index 15df434..65d7993 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataWriter.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOpenableDataWriter.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IOpenableDataWriter<T> extends IDataWriter<T> {
     public void open() throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorDescriptor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorDescriptor.java
index feaeb4b..341bbca 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorDescriptor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorDescriptor.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.Serializable;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.constraints.IConstraintAcceptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 /**
  * Descriptor for operators in Hyracks.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePullable.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePullable.java
index 8053bfc..3e300c0 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePullable.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePullable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 public interface IOperatorNodePullable extends IOpenableDataReader<Object[]> {
     public void setDataReader(int index, IOpenableDataWriter<Object[]> writer);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePushable.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePushable.java
index 0e3fefd..b6e272c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePushable.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/IOperatorNodePushable.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IOperatorNodePushable {
     public void initialize() throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorDescriptorId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorDescriptorId.java
index 5351c78..c61d778 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorDescriptorId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorDescriptorId.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class OperatorDescriptorId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorInstanceId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorInstanceId.java
index 1dee66d..1330fa9 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorInstanceId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/OperatorInstanceId.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskAttemptId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskAttemptId.java
index 2355e98..bb32b2e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskAttemptId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskAttemptId.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class TaskAttemptId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskId.java
index 6b9eecc..7b8fac3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/TaskId.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow;
+package org.apache.hyracks.api.dataflow;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class TaskId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/ConnectorPolicyFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/ConnectorPolicyFactory.java
index 8b416da..9fa921c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/ConnectorPolicyFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/ConnectorPolicyFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 import java.io.DataInput;
 import java.io.DataOutput;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicy.java
index 7501aa9..b46c3f5 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicyAssignmentPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicyAssignmentPolicy.java
index df6e9ed..0713e65 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicyAssignmentPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/IConnectorPolicyAssignmentPolicy.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
 
 public interface IConnectorPolicyAssignmentPolicy extends Serializable {
     public IConnectorPolicy getConnectorPolicyAssignment(IConnectorDescriptor c, int nProducers, int nConsumers,
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java
index b0594f1..8c4bc4c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/PipeliningConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 public final class PipeliningConnectorPolicy implements IConnectorPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedBlockingConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedBlockingConnectorPolicy.java
index ba5eab3..5718226 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedBlockingConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedBlockingConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 public final class SendSideMaterializedBlockingConnectorPolicy implements IConnectorPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedPipeliningConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedPipeliningConnectorPolicy.java
index 860a4bb..a3b477c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedPipeliningConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedPipeliningConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 public final class SendSideMaterializedPipeliningConnectorPolicy implements IConnectorPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedBlockingConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedBlockingConnectorPolicy.java
index 893f7f3..4ad3545 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedBlockingConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedBlockingConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 public final class SendSideMaterializedReceiveSideMaterializedBlockingConnectorPolicy implements IConnectorPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedPipeliningConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedPipeliningConnectorPolicy.java
index ca01762..bcb898e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedPipeliningConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSideMaterializedReceiveSideMaterializedPipeliningConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 public final class SendSideMaterializedReceiveSideMaterializedPipeliningConnectorPolicy implements IConnectorPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy.java
index 178e0d4..da0f5fa 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/connectors/SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.connectors;
+package org.apache.hyracks.api.dataflow.connectors;
 
 public class SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy implements IConnectorPolicy {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/state/IStateObject.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/state/IStateObject.java
index 3e2087c..add77b0 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/state/IStateObject.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/state/IStateObject.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.state;
+package org.apache.hyracks.api.dataflow.state;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobId;
 
 public interface IStateObject {
     public JobId getJobId();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/BinaryComparatorConstant.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/BinaryComparatorConstant.java
index 998ecd4..2deb9c7 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/BinaryComparatorConstant.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/BinaryComparatorConstant.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 public final class BinaryComparatorConstant {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparator.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparator.java
index e6d8312..3939cee 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparator.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparator.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IBinaryComparator {
     public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparatorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparatorFactory.java
index 5654860..f55e29e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryComparatorFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunction.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunction.java
index 377cfe9..52879ad 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunction.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunction.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IBinaryHashFunction {
     int hash(byte[] bytes, int offset, int length) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFactory.java
index b583e04..9c52a71 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFamily.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFamily.java
index ee48b6b..e7985bc 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFamily.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IBinaryHashFunctionFamily.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparator.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparator.java
index 7df2b87..99f219b 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparator.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 public interface IComparator<T> {
     public int compare(T o1, T o2);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparatorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparatorFactory.java
index 353719a..5e15260 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IComparatorFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunction.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunction.java
index d6c6e76..69a554e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunction.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunction.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IHashFunction<T> {
     public int hash(T o) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunctionFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunctionFactory.java
index 9ef2949..f4e995c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunctionFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IHashFunctionFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparator.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparator.java
index 1b0c1db..70b94a1 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparator.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 public interface ILinearizeComparator extends IBinaryComparator {
     public int getDimensions();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java
index d4b158b..a66582a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 public interface ILinearizeComparatorFactory extends IBinaryComparatorFactory {
     public ILinearizeComparator createBinaryComparator();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputer.java
index c58975f..5a096b3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 public interface INormalizedKeyComputer {
     public int normalize(byte[] bytes, int start, int length);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputerFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputerFactory.java
index 8579a67..9f5b4b0 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INormalizedKeyComputerFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriter.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriter.java
index 1650e82..c9c7f31 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriter.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriter.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface INullWriter {
     public void writeNull(DataOutput out) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriterFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriterFactory.java
index ee06358..9f26813 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriterFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/INullWriterFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluator.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluator.java
index d42d714..25e225f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluator.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluator.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
 
 /*
  * Compares two tuples to make sure that records, whose comparison keys are NULL do not pass comparator filter  
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java
index 41cd6f6..2a6aba4 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java
index 09127b5..f9e0b82 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IRecordDescriptorProvider.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IRecordDescriptorProvider.java
index 89d970a..66828f0 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IRecordDescriptorProvider.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IRecordDescriptorProvider.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ActivityId;
 
 public interface IRecordDescriptorProvider {
     public RecordDescriptor getInputRecordDescriptor(ActivityId aid, int inputIndex);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializer.java
index 6d3ab99..20d81d3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializer.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IResultSerializer extends Serializable {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializerFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializerFactory.java
index f4178b8..7aa6a11 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializerFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/IResultSerializerFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.PrintStream;
 import java.io.Serializable;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ISerializerDeserializer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ISerializerDeserializer.java
index 197fda7..7581480 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ISerializerDeserializer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ISerializerDeserializer.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ISerializerDeserializer<T> extends Serializable {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparator.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparator.java
index dd86019..5850829 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparator.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparator.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ITuplePairComparator {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparatorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparatorFactory.java
index bf3e93c..48dba5d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePairComparatorFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface ITuplePairComparatorFactory extends Serializable {
     public ITuplePairComparator createTuplePairComparator(IHyracksTaskContext ctx);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputer.java
index 4f64cfd..6ee50e3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputer.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ITuplePartitionComputer {
     public int partition(IFrameTupleAccessor accessor, int tIndex, int nParts) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFactory.java
index 76263a3..75197b7 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFamily.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFamily.java
index 5348e23..7f8bea4 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFamily.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITuplePartitionComputerFamily.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITypeTraits.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITypeTraits.java
index 40b1462..ab77c5a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITypeTraits.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/ITypeTraits.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/JSONSerializable.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/JSONSerializable.java
index 1e0b79a..5bf4ca4 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/JSONSerializable.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/JSONSerializable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import org.json.JSONException;
 import org.json.JSONObject;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/RecordDescriptor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/RecordDescriptor.java
index 37bcafe..a16c3f5 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/RecordDescriptor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataflow/value/RecordDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataflow.value;
+package org.apache.hyracks.api.dataflow.value;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetDirectoryRecord.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetDirectoryRecord.java
index 019d018..77b271c 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetDirectoryRecord.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetDirectoryRecord.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.comm.NetworkAddress;
 
 public class DatasetDirectoryRecord implements Serializable {
     public enum Status {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetJobRecord.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetJobRecord.java
index bff23bc..9b2ff1e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetJobRecord.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/DatasetJobRecord.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
 import java.util.HashMap;
 import java.util.List;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetInputChannelMonitor.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetInputChannelMonitor.java
index 19ce9fe..a3857ef 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetInputChannelMonitor.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetInputChannelMonitor.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
 
 public interface IDatasetInputChannelMonitor extends IInputChannelMonitor {
     public boolean eosReached();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetManager.java
index 60366d3..9a11e69 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetManager.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobId;
 
 public interface IDatasetManager {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetPartitionManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetPartitionManager.java
index 4b7d27a..a86ea32 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetPartitionManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetPartitionManager.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.JobId;
 
 public interface IDatasetPartitionManager extends IDatasetManager {
     public IFrameWriter createDatasetPartitionWriter(IHyracksTaskContext ctx, ResultSetId rsId, boolean orderedResult,
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetStateRecord.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetStateRecord.java
index 1a400e3..48099d3 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetStateRecord.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IDatasetStateRecord.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
 public interface IDatasetStateRecord {
     public long getTimestamp();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDataset.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDataset.java
index bfd108f..6a295bd 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDataset.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDataset.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
 
 public interface IHyracksDataset {
     public IHyracksDatasetReader createReader(JobId jobId, ResultSetId resultSetId) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceConnection.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceConnection.java
index f5de10d..23e138e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceConnection.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceConnection.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.job.JobId;
 
 public interface IHyracksDatasetDirectoryServiceConnection {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceInterface.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceInterface.java
index 700e749..75430b2 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceInterface.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetDirectoryServiceInterface.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.job.JobId;
 
 public interface IHyracksDatasetDirectoryServiceInterface {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetReader.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetReader.java
index dec0bfd..4c4335a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetReader.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/IHyracksDatasetReader.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IHyracksDatasetReader {
     public Status getResultStatus();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetId.java
index 970cd77..37870cc 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetId.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetMetaData.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetMetaData.java
index 0bc5211..f84e2b6 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetMetaData.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/dataset/ResultSetMetaData.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.dataset;
+package org.apache.hyracks.api.dataset;
 
 public class ResultSetMetaData {
     private final boolean ordered;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/deployment/DeploymentId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/deployment/DeploymentId.java
index f461e52..7da6ebb 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/deployment/DeploymentId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/deployment/DeploymentId.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.deployment;
+package org.apache.hyracks.api.deployment;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 /**
  * The representation of a deployment id
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksDataException.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksDataException.java
index aab59c8..f7b7198 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksDataException.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksDataException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.exceptions;
+package org.apache.hyracks.api.exceptions;
 
 public class HyracksDataException extends HyracksException {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksException.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksException.java
index 50e4826..3d9afde 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksException.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/exceptions/HyracksException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.exceptions;
+package org.apache.hyracks.api.exceptions;
 
 import java.io.IOException;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/FileReference.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/FileReference.java
index 2270c6a..8766630 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/FileReference.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/FileReference.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
 import java.io.File;
 import java.io.Serializable;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IFileHandle.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IFileHandle.java
index 2d43756..ec00e33 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IFileHandle.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IFileHandle.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
 /**
  * IFileHandle is an interface that exists only for Java compilers to perform static typing
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOFuture.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOFuture.java
index 59a7ba2..23c08da 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOFuture.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOFuture.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IIOFuture {
     public int synchronize() throws HyracksDataException, InterruptedException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
index 1fd5a93..c82f53a 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
 import java.nio.ByteBuffer;
 import java.util.List;
 import java.util.concurrent.Executor;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IIOManager {
     public enum FileReadWriteMode {
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IODeviceHandle.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IODeviceHandle.java
index c70b44c..978fb78 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IODeviceHandle.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IODeviceHandle.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
 import java.io.File;
 import java.io.Serializable;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWorkspaceFileFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWorkspaceFileFactory.java
index 1622862..fb88f96 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWorkspaceFileFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWorkspaceFileFactory.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IWorkspaceFileFactory {
     public FileReference createUnmanagedWorkspaceFile(String prefix) throws HyracksDataException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWritable.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWritable.java
index 9e7e8c8..72fa4e1 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWritable.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IWritable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.io;
+package org.apache.hyracks.api.io;
 
 import java.io.DataInput;
 import java.io.DataOutput;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityCluster.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityCluster.java
index e7de2ab..223c3f6 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityCluster.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityCluster.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -26,12 +26,12 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class ActivityCluster implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterGraph.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterGraph.java
index 12c4e6e..3f16055 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterGraph.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterGraph.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.util.Collection;
@@ -24,10 +24,10 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
 
 public class ActivityClusterGraph implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterId.java
index 88c5ff4..858dafc 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/ActivityClusterId.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGenerator.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGenerator.java
index a99933b..2c58f89 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGenerator.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGenerator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.constraints.Constraint;
+import org.apache.hyracks.api.constraints.Constraint;
 
 public interface IActivityClusterGraphGenerator {
     public Set<Constraint> getConstraints();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGeneratorFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGeneratorFactory.java
index 99a0712..efaaaa1 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGeneratorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IActivityClusterGraphGeneratorFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.util.EnumSet;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.exceptions.HyracksException;
 
 public interface IActivityClusterGraphGeneratorFactory extends Serializable {
     public IActivityClusterGraphGenerator createActivityClusterGraphGenerator(JobId jobId,
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IConnectorDescriptorRegistry.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IConnectorDescriptorRegistry.java
index dfcb208..b71d110 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IConnectorDescriptorRegistry.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IConnectorDescriptorRegistry.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
 
 public interface IConnectorDescriptorRegistry {
     public ConnectorDescriptorId createConnectorDescriptor(IConnectorDescriptor conn);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IGlobalJobDataFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IGlobalJobDataFactory.java
index 9678a4b..cd49150 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IGlobalJobDataFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IGlobalJobDataFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
+import org.apache.hyracks.api.context.IHyracksJobletContext;
 
 public interface IGlobalJobDataFactory extends Serializable {
     public Object createGlobalJobData(IHyracksJobletContext ctx);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobLifecycleListener.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobLifecycleListener.java
index 0ef7522..332abc6 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobLifecycleListener.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobLifecycleListener.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.exceptions.HyracksException;
 
 public interface IJobLifecycleListener {
     public void notifyJobCreation(JobId jobId, IActivityClusterGraphGeneratorFactory acggf) throws HyracksException;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializer.java
index dcd8860..40a82de 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializer.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.net.URL;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.exceptions.HyracksException;
 
 /**
  * The serializer/deserializer/classloader interface for job/task information such as job specifications, activity graphs and so on.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializerContainer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializerContainer.java
index 57c9133..a5d72b9 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializerContainer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobSerializerDeserializerContainer.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.deployment.DeploymentId;
 
 public interface IJobSerializerDeserializerContainer {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListener.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListener.java
index 1576396..37e7483 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListener.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListener.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 public interface IJobletEventListener {
     public void jobletStart();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListenerFactory.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListenerFactory.java
index d18eed2..7c363f5 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListenerFactory.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IJobletEventListenerFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
+import org.apache.hyracks.api.context.IHyracksJobletContext;
 
 public interface IJobletEventListenerFactory extends Serializable {
     public IJobletEventListener createListener(IHyracksJobletContext ctx);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorDescriptorRegistry.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorDescriptorRegistry.java
index cfa06fa..2066e46 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorDescriptorRegistry.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorDescriptorRegistry.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
 
 public interface IOperatorDescriptorRegistry {
     public OperatorDescriptorId createOperatorDescriptorId(IOperatorDescriptor op);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorEnvironment.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorEnvironment.java
index cfcb688..38ca60b 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorEnvironment.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/IOperatorEnvironment.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
-import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
+import org.apache.hyracks.api.dataflow.state.IStateObject;
 
 public interface IOperatorEnvironment {
     public void setStateObject(IStateObject taskState);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobActivityGraph.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobActivityGraph.java
index b2e9c95..0dd2627 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobActivityGraph.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobActivityGraph.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.util.HashMap;
@@ -22,11 +22,11 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public class JobActivityGraph implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobFlag.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobFlag.java
index 6c15f34..b63385f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobFlag.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobFlag.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 public enum JobFlag {
     PROFILE_RUNTIME
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobId.java
index c9027ba..eea4853 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobId.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public final class JobId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobInfo.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobInfo.java
index 7d3230e..2025f11 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobInfo.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobInfo.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
 
 public class JobInfo implements Serializable {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializer.java
index 0ea4309..6b0ab72 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializer.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.net.URL;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.util.JavaSerializationUtils;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.util.JavaSerializationUtils;
 
 public class JobSerializerDeserializer implements IJobSerializerDeserializer {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializerContainer.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializerContainer.java
index f2d8fff..2d80e61 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializerContainer.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSerializerDeserializerContainer.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.deployment.DeploymentId;
 
 public class JobSerializerDeserializerContainer implements IJobSerializerDeserializerContainer {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSpecification.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSpecification.java
index 19904dd..2c9a40d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSpecification.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSpecification.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -28,17 +28,17 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.constraints.Constraint;
-import edu.uci.ics.hyracks.api.constraints.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionCountExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionLocationExpression;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.constraints.Constraint;
+import org.apache.hyracks.api.constraints.expressions.ConstantExpression;
+import org.apache.hyracks.api.constraints.expressions.PartitionCountExpression;
+import org.apache.hyracks.api.constraints.expressions.PartitionLocationExpression;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
 
 public class JobSpecification implements Serializable, IOperatorDescriptorRegistry, IConnectorDescriptorRegistry {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobStatus.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobStatus.java
index 5a331bf..2a563f0 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobStatus.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobStatus.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job;
+package org.apache.hyracks.api.job;
 
 public enum JobStatus {
     INITIALIZED,
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounter.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounter.java
index 166f6b8..4b21818 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounter.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job.profiling.counters;
+package org.apache.hyracks.api.job.profiling.counters;
 
 public interface ICounter {
     /**
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounterContext.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounterContext.java
index f065f43..30d0e93 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounterContext.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/profiling/counters/ICounterContext.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.job.profiling.counters;
+package org.apache.hyracks.api.job.profiling.counters;
 
 /**
  * A namespace that holds named counters.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponent.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponent.java
index 2538510..63f9fe5 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponent.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponent.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.lifecycle;
+package org.apache.hyracks.api.lifecycle;
 
 import java.io.IOException;
 import java.io.OutputStream;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponentManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponentManager.java
index b3b2566..8502856 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponentManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/ILifeCycleComponentManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.lifecycle;
+package org.apache.hyracks.api.lifecycle;
 
 import java.io.IOException;
 import java.io.OutputStream;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/LifeCycleComponentManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/LifeCycleComponentManager.java
index 70eed11..5e6862f 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/LifeCycleComponentManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/lifecycle/LifeCycleComponentManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.lifecycle;
+package org.apache.hyracks.api.lifecycle;
 
 import java.io.File;
 import java.io.FileOutputStream;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessage.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessage.java
index 7f9b5ea..93f5f02 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessage.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.messages;
+package org.apache.hyracks.api.messages;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessageBroker.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessageBroker.java
index f4f770f..6e82bd2 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessageBroker.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/messages/IMessageBroker.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.messages;
+package org.apache.hyracks.api.messages;
 
 /**
  * @author rico
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/IPartition.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/IPartition.java
index 6c0e979..3324716 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/IPartition.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/IPartition.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.partitions;
+package org.apache.hyracks.api.partitions;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.resources.IDeallocatable;
 
 public interface IPartition extends IDeallocatable {
     public IHyracksTaskContext getTaskContext();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/PartitionId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/PartitionId.java
index c7e01e6..468f258 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/PartitionId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/PartitionId.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.partitions;
+package org.apache.hyracks.api.partitions;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.io.IWritable;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.job.JobId;
 
 public final class PartitionId implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/ResultSetPartitionId.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/ResultSetPartitionId.java
index 0c2e0cc..2b58fc1 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/ResultSetPartitionId.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/partitions/ResultSetPartitionId.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.partitions;
+package org.apache.hyracks.api.partitions;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobId;
 
 public final class ResultSetPartitionId implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IIOReplicationManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IIOReplicationManager.java
index d2e7011..f4726f9 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IIOReplicationManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IIOReplicationManager.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.replication;
+package org.apache.hyracks.api.replication;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponent;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponent;
 
 public interface IIOReplicationManager extends ILifeCycleComponent {
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IReplicationJob.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IReplicationJob.java
index 4d3b58d..efd1cc6 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IReplicationJob.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/IReplicationJob.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.replication;
+package org.apache.hyracks.api.replication;
 
 import java.util.Set;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/impl/AbstractReplicationJob.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/impl/AbstractReplicationJob.java
index f73c9e1..ab81436 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/impl/AbstractReplicationJob.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/replication/impl/AbstractReplicationJob.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.replication.impl;
+package org.apache.hyracks.api.replication.impl;
 
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.replication.IReplicationJob;
+import org.apache.hyracks.api.replication.IReplicationJob;
 
 public abstract class AbstractReplicationJob implements IReplicationJob {
     
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatable.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatable.java
index ddba168..4db973b 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatable.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.resources;
+package org.apache.hyracks.api.resources;
 
 public interface IDeallocatable {
     public void deallocate();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatableRegistry.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatableRegistry.java
index 97e6024..6d47d4d 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatableRegistry.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/IDeallocatableRegistry.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.resources;
+package org.apache.hyracks.api.resources;
 
 public interface IDeallocatableRegistry {
     public void registerDeallocatable(IDeallocatable deallocatable);
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/memory/IMemoryManager.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/memory/IMemoryManager.java
index 4d9f6c0..07a6365 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/memory/IMemoryManager.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/resources/memory/IMemoryManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.resources.memory;
+package org.apache.hyracks.api.resources.memory;
 
 public interface IMemoryManager {
     public long getMaximumMemory();
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/ActivityClusterGraphRewriter.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/ActivityClusterGraphRewriter.java
index c6761e9..a321417 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/ActivityClusterGraphRewriter.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/ActivityClusterGraphRewriter.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.rewriter;
+package org.apache.hyracks.api.rewriter;
 
 import java.util.HashMap;
 import java.util.HashSet;
@@ -26,15 +26,15 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.ActivityClusterId;
-import edu.uci.ics.hyracks.api.rewriter.runtime.SuperActivity;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.ActivityClusterId;
+import org.apache.hyracks.api.rewriter.runtime.SuperActivity;
 
 /**
  * This class rewrite the AcivityClusterGraph to eliminate
@@ -46,7 +46,7 @@
  * @author yingyib
  */
 public class ActivityClusterGraphRewriter {
-    private static String ONE_TO_ONE_CONNECTOR = "edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor";
+    private static String ONE_TO_ONE_CONNECTOR = "org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor";
 
     /**
      * rewrite an activity cluster graph to eliminate
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/OneToOneConnectedActivityCluster.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/OneToOneConnectedActivityCluster.java
index 07b7ffc..62f3443 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/OneToOneConnectedActivityCluster.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/OneToOneConnectedActivityCluster.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.rewriter;
+package org.apache.hyracks.api.rewriter;
 
 import java.util.HashMap;
 import java.util.Map;
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.ActivityClusterId;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.ActivityClusterId;
 
 /**
  * All the connectors in an OneToOneConnectedCluster are OneToOneConnectorDescriptors.
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivity.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivity.java
index 734ff85..8eaf88e 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivity.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivity.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.rewriter.runtime;
+package org.apache.hyracks.api.rewriter.runtime;
 
 import java.util.HashMap;
 import java.util.List;
@@ -22,18 +22,18 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.ActivityClusterId;
-import edu.uci.ics.hyracks.api.rewriter.OneToOneConnectedActivityCluster;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.ActivityClusterId;
+import org.apache.hyracks.api.rewriter.OneToOneConnectedActivityCluster;
 
 /**
  * This class can be used to execute a DAG of activities inside which
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivityOperatorNodePushable.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivityOperatorNodePushable.java
index ffed337..8e88fdf 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivityOperatorNodePushable.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/rewriter/runtime/SuperActivityOperatorNodePushable.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.api.rewriter.runtime;
+package org.apache.hyracks.api.rewriter.runtime;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -25,15 +25,15 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * The runtime of a SuperActivity, which internally executes a DAG of one-to-one
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/ClusterTopology.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/ClusterTopology.java
index 7953b12..30472c4 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/ClusterTopology.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/ClusterTopology.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.topology;
+package org.apache.hyracks.api.topology;
 
 import java.io.Serializable;
 import java.util.List;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkEndpoint.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkEndpoint.java
index 5a3e5e6..a7b73eb 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkEndpoint.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkEndpoint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.topology;
+package org.apache.hyracks.api.topology;
 
 import java.io.Serializable;
 import java.util.Map;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkSwitch.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkSwitch.java
index 1eb4963..2271d47 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkSwitch.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkSwitch.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.topology;
+package org.apache.hyracks.api.topology;
 
 import java.io.Serializable;
 import java.util.HashMap;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkTerminal.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkTerminal.java
index dc180f0..c819eef 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkTerminal.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/NetworkTerminal.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.topology;
+package org.apache.hyracks.api.topology;
 
 import java.util.Map;
 
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/TopologyDefinitionParser.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/TopologyDefinitionParser.java
index f527ad1..14e7b92 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/TopologyDefinitionParser.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/topology/TopologyDefinitionParser.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.topology;
+package org.apache.hyracks.api.topology;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -28,7 +28,7 @@
 import org.xml.sax.helpers.DefaultHandler;
 import org.xml.sax.helpers.XMLReaderFactory;
 
-import edu.uci.ics.hyracks.api.topology.NetworkEndpoint.EndpointType;
+import org.apache.hyracks.api.topology.NetworkEndpoint.EndpointType;
 
 public class TopologyDefinitionParser {
     private final Stack<ElementStackEntry> stack;
diff --git a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/JavaSerializationUtils.java b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/JavaSerializationUtils.java
index d7938f0..50cc501 100644
--- a/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/JavaSerializationUtils.java
+++ b/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/JavaSerializationUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.api.util;
+package org.apache.hyracks.api.util;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/hyracks/hyracks-client/pom.xml b/hyracks/hyracks-client/pom.xml
index 2798ada..f40e9a8 100644
--- a/hyracks/hyracks-client/pom.xml
+++ b/hyracks/hyracks-client/pom.xml
@@ -12,7 +12,7 @@
 	<artifactId>hyracks-client</artifactId>
 	<name>hyracks-client</name>
 	<parent>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<artifactId>hyracks</artifactId>
 		<version>0.2.16-SNAPSHOT</version>
 	</parent>
@@ -63,32 +63,32 @@
 	</build>
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-net</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-comm</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-dataflow-common</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-control-cc</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-control-nc</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/DatasetClientContext.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/DatasetClientContext.java
index 9975fe3..5c26ffe 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/DatasetClientContext.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/DatasetClientContext.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.dataset;
+package org.apache.hyracks.client.dataset;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
 
 public class DatasetClientContext extends FrameManager implements IHyracksCommonContext {
     private final int frameSize;
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDataset.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDataset.java
index 46226ba..8c06283 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDataset.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDataset.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.dataset;
+package org.apache.hyracks.client.dataset;
 
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDataset;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetReader;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.client.net.ClientNetworkManager;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataset.IHyracksDataset;
+import org.apache.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection;
+import org.apache.hyracks.api.dataset.IHyracksDatasetReader;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.client.net.ClientNetworkManager;
 
 public class HyracksDataset implements IHyracksDataset {
     private final IHyracksDatasetDirectoryServiceConnection datasetDirectoryServiceConnection;
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceConnection.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceConnection.java
index 9ecc9c7..d0ff72f 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceConnection.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceConnection.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.dataset;
+package org.apache.hyracks.client.dataset;
 
 import java.net.InetSocketAddress;
 
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetDirectoryServiceInterface;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.RPCInterface;
-import edu.uci.ics.hyracks.ipc.impl.IPCSystem;
-import edu.uci.ics.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection;
+import org.apache.hyracks.api.dataset.IHyracksDatasetDirectoryServiceInterface;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.RPCInterface;
+import org.apache.hyracks.ipc.impl.IPCSystem;
+import org.apache.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
 
-//TODO(madhusudancs): Should this implementation be moved to edu.uci.ics.hyracks.client?
+//TODO(madhusudancs): Should this implementation be moved to org.apache.hyracks.client?
 public class HyracksDatasetDirectoryServiceConnection implements IHyracksDatasetDirectoryServiceConnection {
     private final IPCSystem ipc;
     private final IHyracksDatasetDirectoryServiceInterface ddsi;
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceInterfaceRemoteProxy.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceInterfaceRemoteProxy.java
index 68eba22..39ff676 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceInterfaceRemoteProxy.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetDirectoryServiceInterfaceRemoteProxy.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.dataset;
+package org.apache.hyracks.client.dataset;
 
-import edu.uci.ics.hyracks.api.client.HyracksClientInterfaceFunctions;
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetDirectoryServiceInterface;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.RPCInterface;
+import org.apache.hyracks.api.client.HyracksClientInterfaceFunctions;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.dataset.IHyracksDatasetDirectoryServiceInterface;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.RPCInterface;
 
-//TODO(madhusudancs): Should this implementation be moved to edu.uci.ics.hyracks.client?
+//TODO(madhusudancs): Should this implementation be moved to org.apache.hyracks.client?
 public class HyracksDatasetDirectoryServiceInterfaceRemoteProxy implements IHyracksDatasetDirectoryServiceInterface {
     private final IIPCHandle ipcHandle;
 
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetReader.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetReader.java
index 34c4d6e..efc9d9a 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetReader.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/dataset/HyracksDatasetReader.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.dataset;
+package org.apache.hyracks.client.dataset;
 
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
@@ -23,23 +23,23 @@
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.dataset.IDatasetInputChannelMonitor;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetReader;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.client.net.ClientNetworkManager;
-import edu.uci.ics.hyracks.comm.channels.DatasetNetworkInputChannel;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.dataset.IDatasetInputChannelMonitor;
+import org.apache.hyracks.api.dataset.IHyracksDatasetDirectoryServiceConnection;
+import org.apache.hyracks.api.dataset.IHyracksDatasetReader;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.client.net.ClientNetworkManager;
+import org.apache.hyracks.comm.channels.DatasetNetworkInputChannel;
 
-// TODO(madhusudancs): Should this implementation be moved to edu.uci.ics.hyracks.client?
+// TODO(madhusudancs): Should this implementation be moved to org.apache.hyracks.client?
 public class HyracksDatasetReader implements IHyracksDatasetReader {
     private static final Logger LOGGER = Logger.getLogger(HyracksDatasetReader.class.getName());
 
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/net/ClientNetworkManager.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/net/ClientNetworkManager.java
index 06bef10..f0c94ab 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/net/ClientNetworkManager.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/net/ClientNetworkManager.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.net;
+package org.apache.hyracks.client.net;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 
-import edu.uci.ics.hyracks.comm.channels.IChannelConnectionFactory;
-import edu.uci.ics.hyracks.net.exceptions.NetException;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MultiplexedConnection;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemux;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
+import org.apache.hyracks.comm.channels.IChannelConnectionFactory;
+import org.apache.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.net.protocols.muxdemux.MultiplexedConnection;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemux;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
 
 public class ClientNetworkManager implements IChannelConnectionFactory {
     private static final int MAX_CONNECTION_ATTEMPTS = 5;
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/AggregateCounter.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/AggregateCounter.java
index 450004d..79e2849 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/AggregateCounter.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/AggregateCounter.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.client.stats;
+package org.apache.hyracks.client.stats;
 
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.Counter;
+import org.apache.hyracks.control.common.job.profiling.counters.Counter;
 
 public class AggregateCounter extends Counter {
 
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/Counters.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/Counters.java
index 08284cc..b9e97df 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/Counters.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/Counters.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.client.stats;
+package org.apache.hyracks.client.stats;
 
 public class Counters {
     public static final String NUM_PROCESSOR = "num-processors";
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/IClusterCounterContext.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/IClusterCounterContext.java
index 356ef34..1228800 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/IClusterCounterContext.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/IClusterCounterContext.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.client.stats;
+package org.apache.hyracks.client.stats;
 
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
 
 public interface IClusterCounterContext extends ICounterContext {
 
diff --git a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/impl/ClientCounterContext.java b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/impl/ClientCounterContext.java
index 62bb943..570c444 100644
--- a/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/impl/ClientCounterContext.java
+++ b/hyracks/hyracks-client/src/main/java/org/apache/hyracks/client/stats/impl/ClientCounterContext.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.client.stats.impl;
+package org.apache.hyracks.client.stats.impl;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -29,11 +29,11 @@
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
-import edu.uci.ics.hyracks.client.stats.AggregateCounter;
-import edu.uci.ics.hyracks.client.stats.Counters;
-import edu.uci.ics.hyracks.client.stats.IClusterCounterContext;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.Counter;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.client.stats.AggregateCounter;
+import org.apache.hyracks.client.stats.Counters;
+import org.apache.hyracks.client.stats.IClusterCounterContext;
+import org.apache.hyracks.control.common.job.profiling.counters.Counter;
 
 /**
  * @author yingyib
diff --git a/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/ClientCounterContextTest.java b/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/ClientCounterContextTest.java
index 2ba2631..9a8e247 100644
--- a/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/ClientCounterContextTest.java
+++ b/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/ClientCounterContextTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.client.stats;
+package org.apache.hyracks.client.stats;
 
 import java.util.Arrays;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
-import edu.uci.ics.hyracks.client.stats.impl.ClientCounterContext;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.client.stats.impl.ClientCounterContext;
 
 public class ClientCounterContextTest {
 
diff --git a/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/HyracksUtils.java b/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/HyracksUtils.java
index 73ca5da..dc4a418 100644
--- a/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/HyracksUtils.java
+++ b/hyracks/hyracks-client/src/test/java/org/apache/hyracks/client/stats/HyracksUtils.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.client.stats;
+package org.apache.hyracks.client.stats;
 
 import java.util.EnumSet;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class HyracksUtils {
 
diff --git a/hyracks/hyracks-comm/pom.xml b/hyracks/hyracks-comm/pom.xml
index 8f58a73..0eecd8f 100644
--- a/hyracks/hyracks-comm/pom.xml
+++ b/hyracks/hyracks-comm/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-comm</artifactId>
   <name>hyracks-comm</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -46,12 +46,12 @@
   </build>
   <dependencies>
  <dependency>
- 	<groupId>edu.uci.ics.hyracks</groupId>
+ 	<groupId>org.apache.hyracks</groupId>
  	<artifactId>hyracks-api</artifactId>
  	<version>0.2.16-SNAPSHOT</version>
  </dependency>
   <dependency>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-net</artifactId>
     <version>0.2.16-SNAPSHOT</version>
  </dependency>
diff --git a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/DatasetNetworkInputChannel.java b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/DatasetNetworkInputChannel.java
index e3ab5f3..f24382a 100644
--- a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/DatasetNetworkInputChannel.java
+++ b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/DatasetNetworkInputChannel.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.comm.channels;
+package org.apache.hyracks.comm.channels;
 
 import java.net.SocketAddress;
 import java.nio.ByteBuffer;
@@ -21,15 +21,15 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
 
 public class DatasetNetworkInputChannel implements IInputChannel {
     private static final Logger LOGGER = Logger.getLogger(DatasetNetworkInputChannel.class.getName());
diff --git a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/IChannelConnectionFactory.java b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/IChannelConnectionFactory.java
index 9ee76e3..d6b2ccd 100644
--- a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/IChannelConnectionFactory.java
+++ b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/IChannelConnectionFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.comm.channels;
+package org.apache.hyracks.comm.channels;
 
 import java.net.SocketAddress;
 
-import edu.uci.ics.hyracks.net.exceptions.NetException;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
 
 public interface IChannelConnectionFactory {
     public ChannelControlBlock connect(SocketAddress remoteAddress) throws InterruptedException, NetException;
diff --git a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkInputChannel.java b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkInputChannel.java
index 87fa23c..6c9d3ec 100644
--- a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkInputChannel.java
+++ b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkInputChannel.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.comm.channels;
+package org.apache.hyracks.comm.channels;
 
 import java.net.SocketAddress;
 import java.nio.ByteBuffer;
@@ -21,14 +21,14 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
 
 public class NetworkInputChannel implements IInputChannel {
     private static final Logger LOGGER = Logger.getLogger(NetworkInputChannel.class.getName());
diff --git a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
index 5ac0a47..ea6b616 100644
--- a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
+++ b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/NetworkOutputChannel.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.comm.channels;
+package org.apache.hyracks.comm.channels;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayDeque;
 import java.util.Deque;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
 
 public class NetworkOutputChannel implements IFrameWriter {
     private final ChannelControlBlock ccb;
diff --git a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/ReadBufferFactory.java b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/ReadBufferFactory.java
index 641b7bf..dcaf643 100644
--- a/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/ReadBufferFactory.java
+++ b/hyracks/hyracks-comm/src/main/java/org/apache/hyracks/comm/channels/ReadBufferFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.comm.channels;
+package org.apache.hyracks.comm.channels;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.IBufferFactory;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.net.protocols.muxdemux.IBufferFactory;
 
 /**
  * @author yingyib
diff --git a/hyracks/hyracks-control/hyracks-control-cc/pom.xml b/hyracks/hyracks-control/hyracks-control-cc/pom.xml
index 5abe3bb..3372795 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-cc/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-control-cc</artifactId>
   <name>hyracks-control-cc</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -38,7 +38,7 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/CCDriver.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/CCDriver.java
index 7df3a55..3c63204 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/CCDriver.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/CCDriver.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc;
+package org.apache.hyracks.control.cc;
 
 import org.kohsuke.args4j.CmdLineParser;
 
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.CCConfig;
 
 public class CCDriver {
     public static void main(String args[]) throws Exception {
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClusterControllerService.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClusterControllerService.java
index 961506b..eee283a 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClusterControllerService.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/ClusterControllerService.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc;
+package org.apache.hyracks.control.cc;
 
 import java.io.File;
 import java.io.FileReader;
@@ -33,73 +33,73 @@
 
 import org.xml.sax.InputSource;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationEntryPoint;
-import edu.uci.ics.hyracks.api.client.ClusterControllerInfo;
-import edu.uci.ics.hyracks.api.client.HyracksClientInterfaceFunctions;
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.context.ICCContext;
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobInfo;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.api.topology.TopologyDefinitionParser;
-import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext;
-import edu.uci.ics.hyracks.control.cc.dataset.DatasetDirectoryService;
-import edu.uci.ics.hyracks.control.cc.dataset.IDatasetDirectoryService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.web.WebServer;
-import edu.uci.ics.hyracks.control.cc.work.ApplicationMessageWork;
-import edu.uci.ics.hyracks.control.cc.work.CliDeployBinaryWork;
-import edu.uci.ics.hyracks.control.cc.work.CliUnDeployBinaryWork;
-import edu.uci.ics.hyracks.control.cc.work.ClusterShutdownWork;
-import edu.uci.ics.hyracks.control.cc.work.GatherStateDumpsWork.StateDumpRun;
-import edu.uci.ics.hyracks.control.cc.work.GetDatasetDirectoryServiceInfoWork;
-import edu.uci.ics.hyracks.control.cc.work.GetIpAddressNodeNameMapWork;
-import edu.uci.ics.hyracks.control.cc.work.GetJobInfoWork;
-import edu.uci.ics.hyracks.control.cc.work.GetJobStatusWork;
-import edu.uci.ics.hyracks.control.cc.work.GetNodeControllersInfoWork;
-import edu.uci.ics.hyracks.control.cc.work.GetResultPartitionLocationsWork;
-import edu.uci.ics.hyracks.control.cc.work.GetResultStatusWork;
-import edu.uci.ics.hyracks.control.cc.work.JobStartWork;
-import edu.uci.ics.hyracks.control.cc.work.JobletCleanupNotificationWork;
-import edu.uci.ics.hyracks.control.cc.work.NodeHeartbeatWork;
-import edu.uci.ics.hyracks.control.cc.work.NotifyDeployBinaryWork;
-import edu.uci.ics.hyracks.control.cc.work.NotifyShutdownWork;
-import edu.uci.ics.hyracks.control.cc.work.NotifyStateDumpResponse;
-import edu.uci.ics.hyracks.control.cc.work.RegisterNodeWork;
-import edu.uci.ics.hyracks.control.cc.work.RegisterPartitionAvailibilityWork;
-import edu.uci.ics.hyracks.control.cc.work.RegisterPartitionRequestWork;
-import edu.uci.ics.hyracks.control.cc.work.RegisterResultPartitionLocationWork;
-import edu.uci.ics.hyracks.control.cc.work.RemoveDeadNodesWork;
-import edu.uci.ics.hyracks.control.cc.work.ReportProfilesWork;
-import edu.uci.ics.hyracks.control.cc.work.ReportResultPartitionFailureWork;
-import edu.uci.ics.hyracks.control.cc.work.ReportResultPartitionWriteCompletionWork;
-import edu.uci.ics.hyracks.control.cc.work.TaskCompleteWork;
-import edu.uci.ics.hyracks.control.cc.work.TaskFailureWork;
-import edu.uci.ics.hyracks.control.cc.work.UnregisterNodeWork;
-import edu.uci.ics.hyracks.control.cc.work.WaitForJobCompletionWork;
-import edu.uci.ics.hyracks.control.common.AbstractRemoteService;
-import edu.uci.ics.hyracks.control.common.context.ServerContext;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentRun;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions.Function;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions.ShutdownResponseFunction;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions.StateDumpResponseFunction;
-import edu.uci.ics.hyracks.control.common.logs.LogFile;
-import edu.uci.ics.hyracks.control.common.shutdown.ShutdownRun;
-import edu.uci.ics.hyracks.control.common.work.IPCResponder;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.WorkQueue;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.IIPCI;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
-import edu.uci.ics.hyracks.ipc.impl.IPCSystem;
-import edu.uci.ics.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
+import org.apache.hyracks.api.application.ICCApplicationEntryPoint;
+import org.apache.hyracks.api.client.ClusterControllerInfo;
+import org.apache.hyracks.api.client.HyracksClientInterfaceFunctions;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.context.ICCContext;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobInfo;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.api.topology.TopologyDefinitionParser;
+import org.apache.hyracks.control.cc.application.CCApplicationContext;
+import org.apache.hyracks.control.cc.dataset.DatasetDirectoryService;
+import org.apache.hyracks.control.cc.dataset.IDatasetDirectoryService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.web.WebServer;
+import org.apache.hyracks.control.cc.work.ApplicationMessageWork;
+import org.apache.hyracks.control.cc.work.CliDeployBinaryWork;
+import org.apache.hyracks.control.cc.work.CliUnDeployBinaryWork;
+import org.apache.hyracks.control.cc.work.ClusterShutdownWork;
+import org.apache.hyracks.control.cc.work.GatherStateDumpsWork.StateDumpRun;
+import org.apache.hyracks.control.cc.work.GetDatasetDirectoryServiceInfoWork;
+import org.apache.hyracks.control.cc.work.GetIpAddressNodeNameMapWork;
+import org.apache.hyracks.control.cc.work.GetJobInfoWork;
+import org.apache.hyracks.control.cc.work.GetJobStatusWork;
+import org.apache.hyracks.control.cc.work.GetNodeControllersInfoWork;
+import org.apache.hyracks.control.cc.work.GetResultPartitionLocationsWork;
+import org.apache.hyracks.control.cc.work.GetResultStatusWork;
+import org.apache.hyracks.control.cc.work.JobStartWork;
+import org.apache.hyracks.control.cc.work.JobletCleanupNotificationWork;
+import org.apache.hyracks.control.cc.work.NodeHeartbeatWork;
+import org.apache.hyracks.control.cc.work.NotifyDeployBinaryWork;
+import org.apache.hyracks.control.cc.work.NotifyShutdownWork;
+import org.apache.hyracks.control.cc.work.NotifyStateDumpResponse;
+import org.apache.hyracks.control.cc.work.RegisterNodeWork;
+import org.apache.hyracks.control.cc.work.RegisterPartitionAvailibilityWork;
+import org.apache.hyracks.control.cc.work.RegisterPartitionRequestWork;
+import org.apache.hyracks.control.cc.work.RegisterResultPartitionLocationWork;
+import org.apache.hyracks.control.cc.work.RemoveDeadNodesWork;
+import org.apache.hyracks.control.cc.work.ReportProfilesWork;
+import org.apache.hyracks.control.cc.work.ReportResultPartitionFailureWork;
+import org.apache.hyracks.control.cc.work.ReportResultPartitionWriteCompletionWork;
+import org.apache.hyracks.control.cc.work.TaskCompleteWork;
+import org.apache.hyracks.control.cc.work.TaskFailureWork;
+import org.apache.hyracks.control.cc.work.UnregisterNodeWork;
+import org.apache.hyracks.control.cc.work.WaitForJobCompletionWork;
+import org.apache.hyracks.control.common.AbstractRemoteService;
+import org.apache.hyracks.control.common.context.ServerContext;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.deployment.DeploymentRun;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions.Function;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions.ShutdownResponseFunction;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions.StateDumpResponseFunction;
+import org.apache.hyracks.control.common.logs.LogFile;
+import org.apache.hyracks.control.common.shutdown.ShutdownRun;
+import org.apache.hyracks.control.common.work.IPCResponder;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.WorkQueue;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.IIPCI;
+import org.apache.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.impl.IPCSystem;
+import org.apache.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
 
 public class ClusterControllerService extends AbstractRemoteService {
     private static Logger LOGGER = Logger.getLogger(ClusterControllerService.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/NodeControllerState.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/NodeControllerState.java
index 63fc26b..2f0afe0 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/NodeControllerState.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/NodeControllerState.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc;
+package org.apache.hyracks.control.cc;
 
 import java.util.HashSet;
 import java.util.List;
@@ -23,14 +23,14 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.base.INodeController;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NodeRegistration;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatSchema;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatSchema.GarbageCollectorInfo;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.base.INodeController;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.common.controllers.NodeRegistration;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatSchema;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatSchema.GarbageCollectorInfo;
 
 public class NodeControllerState {
     private static final int RRD_SIZE = 720;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/HyracksAdminConsoleApplication.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/HyracksAdminConsoleApplication.java
index 3de8822..58ec81b 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/HyracksAdminConsoleApplication.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/HyracksAdminConsoleApplication.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.adminconsole;
+package org.apache.hyracks.control.cc.adminconsole;
 
 import org.apache.wicket.Page;
 import org.apache.wicket.protocol.http.WebApplication;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.adminconsole.pages.IndexPage;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.adminconsole.pages.IndexPage;
 
 public class HyracksAdminConsoleApplication extends WebApplication {
     private ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/AbstractPage.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/AbstractPage.java
index dd4642d..5c1bc97 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/AbstractPage.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/AbstractPage.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.adminconsole.pages;
+package org.apache.hyracks.control.cc.adminconsole.pages;
 
 import org.apache.wicket.markup.html.WebPage;
 
-import edu.uci.ics.hyracks.control.cc.adminconsole.HyracksAdminConsoleApplication;
+import org.apache.hyracks.control.cc.adminconsole.HyracksAdminConsoleApplication;
 
 public class AbstractPage extends WebPage {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/IndexPage.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/IndexPage.java
index cd3ea6e..d03f3b6 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/IndexPage.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/IndexPage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.adminconsole.pages;
+package org.apache.hyracks.control.cc.adminconsole.pages;
 
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.markup.html.link.BookmarkablePageLink;
@@ -23,10 +23,10 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.web.util.JSONUtils;
-import edu.uci.ics.hyracks.control.cc.work.GetJobSummariesJSONWork;
-import edu.uci.ics.hyracks.control.cc.work.GetNodeSummariesJSONWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.web.util.JSONUtils;
+import org.apache.hyracks.control.cc.work.GetJobSummariesJSONWork;
+import org.apache.hyracks.control.cc.work.GetNodeSummariesJSONWork;
 
 public class IndexPage extends AbstractPage {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/JobDetailsPage.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/JobDetailsPage.java
index 1a88589..1313864 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/JobDetailsPage.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/JobDetailsPage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.adminconsole.pages;
+package org.apache.hyracks.control.cc.adminconsole.pages;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -28,13 +28,13 @@
 import org.json.JSONArray;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.work.GetActivityClusterGraphJSONWork;
-import edu.uci.ics.hyracks.control.cc.work.GetJobRunJSONWork;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.work.GetActivityClusterGraphJSONWork;
+import org.apache.hyracks.control.cc.work.GetJobRunJSONWork;
 
 public class JobDetailsPage extends AbstractPage {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.java
index 2ae9ee9..77d9916 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.adminconsole.pages;
+package org.apache.hyracks.control.cc.adminconsole.pages;
 
 import org.apache.wicket.request.mapper.parameter.PageParameters;
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/application/CCApplicationContext.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/application/CCApplicationContext.java
index ce59128..a850c50 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/application/CCApplicationContext.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/application/CCApplicationContext.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.application;
+package org.apache.hyracks.control.cc.application;
 
 import java.io.IOException;
 import java.io.Serializable;
@@ -22,16 +22,16 @@
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.application.IClusterLifecycleListener;
-import edu.uci.ics.hyracks.api.context.ICCContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.job.IJobLifecycleListener;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.application.ApplicationContext;
-import edu.uci.ics.hyracks.control.common.context.ServerContext;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.application.IClusterLifecycleListener;
+import org.apache.hyracks.api.context.ICCContext;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.job.IJobLifecycleListener;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.application.ApplicationContext;
+import org.apache.hyracks.control.common.context.ServerContext;
+import org.apache.hyracks.control.common.work.IResultCallback;
 
 public class CCApplicationContext extends ApplicationContext implements ICCApplicationContext {
     private final ICCContext ccContext;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
index 66e7e7a..978b23e 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.dataset;
+package org.apache.hyracks.control.cc.dataset;
 
 import java.util.Arrays;
 import java.util.HashMap;
@@ -22,19 +22,19 @@
 import java.util.Set;
 import java.util.concurrent.ExecutorService;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.dataset.IDatasetStateRecord;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.dataset.ResultSetMetaData;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.dataset.ResultStateSweeper;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.dataset.IDatasetStateRecord;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.dataset.ResultSetMetaData;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.dataset.ResultStateSweeper;
+import org.apache.hyracks.control.common.work.IResultCallback;
 
 /**
  * TODO(madhusudancs): The potential perils of this global dataset directory service implementation is that, the jobs
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/IDatasetDirectoryService.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/IDatasetDirectoryService.java
index 30d1d15..0581f41 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/IDatasetDirectoryService.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/IDatasetDirectoryService.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.dataset;
+package org.apache.hyracks.control.cc.dataset;
 
 import java.util.List;
 import java.util.concurrent.ExecutorService;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.dataset.IDatasetManager;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IJobLifecycleListener;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.dataset.IDatasetManager;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IJobLifecycleListener;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.work.IResultCallback;
 
 public interface IDatasetDirectoryService extends IJobLifecycleListener, IDatasetManager {
     public void init(ExecutorService executor);
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityClusterPlan.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityClusterPlan.java
index d673fb4..266e28a 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityClusterPlan.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityClusterPlan.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ActivityId;
 
 public class ActivityClusterPlan {
     private final Map<ActivityId, ActivityPlan> activityPlanMap;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityPlan.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityPlan.java
index 433c60e..9fb3592 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityPlan.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/ActivityPlan.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
-import edu.uci.ics.hyracks.control.cc.scheduler.ActivityPartitionDetails;
+import org.apache.hyracks.control.cc.scheduler.ActivityPartitionDetails;
 
 public class ActivityPlan {
     private final ActivityPartitionDetails apd;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/IJobStatusConditionVariable.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/IJobStatusConditionVariable.java
index 1af9ce6..6996ccb 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/IJobStatusConditionVariable.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/IJobStatusConditionVariable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 public interface IJobStatusConditionVariable {
     public void waitForCompletion() throws Exception;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/JobRun.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/JobRun.java
index de3c1c0..c22c600 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/JobRun.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/JobRun.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -28,27 +28,27 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.ActivityClusterId;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGenerator;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.partitions.PartitionMatchMaker;
-import edu.uci.ics.hyracks.control.cc.scheduler.ActivityPartitionDetails;
-import edu.uci.ics.hyracks.control.cc.scheduler.JobScheduler;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.utils.ExceptionUtils;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.ActivityClusterId;
+import org.apache.hyracks.api.job.IActivityClusterGraphGenerator;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.partitions.PartitionMatchMaker;
+import org.apache.hyracks.control.cc.scheduler.ActivityPartitionDetails;
+import org.apache.hyracks.control.cc.scheduler.JobScheduler;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.utils.ExceptionUtils;
 
 public class JobRun implements IJobStatusConditionVariable {
     private final DeploymentId deploymentId;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/Task.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/Task.java
index 65e22e4..6755d82 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/Task.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/Task.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.util.HashSet;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.TaskId;
 
 public class Task {
     private final TaskId taskId;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskAttempt.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskAttempt.java
index 75640a9..55e9005 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskAttempt.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskAttempt.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
 
 public class TaskAttempt {
     public enum TaskStatus {
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskCluster.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskCluster.java
index 7607ca9..61647c3 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskCluster.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskCluster.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -20,8 +20,8 @@
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class TaskCluster {
     private final TaskClusterId taskClusterId;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterAttempt.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterAttempt.java
index 3397e72..735de17 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterAttempt.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterAttempt.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.TaskId;
 
 public class TaskClusterAttempt {
     public enum TaskClusterStatus {
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterId.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterId.java
index 028847d..89f00f0 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterId.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/job/TaskClusterId.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.job;
+package org.apache.hyracks.control.cc.job;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.job.ActivityClusterId;
+import org.apache.hyracks.api.job.ActivityClusterId;
 
 public final class TaskClusterId implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionMatchMaker.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionMatchMaker.java
index a1a3f57..cbce049 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionMatchMaker.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionMatchMaker.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.partitions;
+package org.apache.hyracks.control.cc.partitions;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -24,11 +24,11 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.job.PartitionState;
 
 public class PartitionMatchMaker {
     private static final Logger LOGGER = Logger.getLogger(PartitionMatchMaker.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionUtils.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionUtils.java
index 4753295..e28f197 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionUtils.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/partitions/PartitionUtils.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.partitions;
+package org.apache.hyracks.control.cc.partitions;
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.base.INodeController;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.base.INodeController;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
 
 public class PartitionUtils {
     public static void reportPartitionMatch(ClusterControllerService ccs, final PartitionId pid,
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityClusterPlanner.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityClusterPlanner.java
index 3863eda..3366344 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityClusterPlanner.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityClusterPlanner.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.scheduler;
+package org.apache.hyracks.control.cc.scheduler;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -27,26 +27,26 @@
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.constraints.expressions.LValueConstraintExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionCountExpression;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
-import edu.uci.ics.hyracks.api.dataflow.connectors.PipeliningConnectorPolicy;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.cc.job.ActivityClusterPlan;
-import edu.uci.ics.hyracks.control.cc.job.ActivityPlan;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.job.Task;
-import edu.uci.ics.hyracks.control.cc.job.TaskCluster;
-import edu.uci.ics.hyracks.control.cc.job.TaskClusterId;
+import org.apache.hyracks.api.constraints.expressions.LValueConstraintExpression;
+import org.apache.hyracks.api.constraints.expressions.PartitionCountExpression;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy;
+import org.apache.hyracks.api.dataflow.connectors.PipeliningConnectorPolicy;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.cc.job.ActivityClusterPlan;
+import org.apache.hyracks.control.cc.job.ActivityPlan;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.job.Task;
+import org.apache.hyracks.control.cc.job.TaskCluster;
+import org.apache.hyracks.control.cc.job.TaskClusterId;
 
 public class ActivityClusterPlanner {
     private static final Logger LOGGER = Logger.getLogger(ActivityClusterPlanner.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityPartitionDetails.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityPartitionDetails.java
index 7dc821b..1703102 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityPartitionDetails.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/ActivityPartitionDetails.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.scheduler;
+package org.apache.hyracks.control.cc.scheduler;
 
 import java.util.Arrays;
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/JobScheduler.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/JobScheduler.java
index dbd64a7..97fadd3 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/JobScheduler.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/JobScheduler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.scheduler;
+package org.apache.hyracks.control.cc.scheduler;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -30,38 +30,38 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.constraints.Constraint;
-import edu.uci.ics.hyracks.api.constraints.expressions.LValueConstraintExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionLocationExpression;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.api.util.JavaSerializationUtils;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext;
-import edu.uci.ics.hyracks.control.cc.job.ActivityClusterPlan;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.job.Task;
-import edu.uci.ics.hyracks.control.cc.job.TaskAttempt;
-import edu.uci.ics.hyracks.control.cc.job.TaskCluster;
-import edu.uci.ics.hyracks.control.cc.job.TaskClusterAttempt;
-import edu.uci.ics.hyracks.control.cc.partitions.PartitionMatchMaker;
-import edu.uci.ics.hyracks.control.cc.work.JobCleanupWork;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.common.job.TaskAttemptDescriptor;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.constraints.Constraint;
+import org.apache.hyracks.api.constraints.expressions.LValueConstraintExpression;
+import org.apache.hyracks.api.constraints.expressions.PartitionLocationExpression;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.util.JavaSerializationUtils;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.cc.application.CCApplicationContext;
+import org.apache.hyracks.control.cc.job.ActivityClusterPlan;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.job.Task;
+import org.apache.hyracks.control.cc.job.TaskAttempt;
+import org.apache.hyracks.control.cc.job.TaskCluster;
+import org.apache.hyracks.control.cc.job.TaskClusterAttempt;
+import org.apache.hyracks.control.cc.partitions.PartitionMatchMaker;
+import org.apache.hyracks.control.cc.work.JobCleanupWork;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.common.job.TaskAttemptDescriptor;
 
 public class JobScheduler {
     private static final Logger LOGGER = Logger.getLogger(JobScheduler.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/PartitionConstraintSolver.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/PartitionConstraintSolver.java
index a49ac5a..8a56eab 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/PartitionConstraintSolver.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/PartitionConstraintSolver.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.scheduler;
+package org.apache.hyracks.control.cc.scheduler;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -20,10 +20,10 @@
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.constraints.Constraint;
-import edu.uci.ics.hyracks.api.constraints.expressions.ConstantExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.ConstraintExpression;
-import edu.uci.ics.hyracks.api.constraints.expressions.LValueConstraintExpression;
+import org.apache.hyracks.api.constraints.Constraint;
+import org.apache.hyracks.api.constraints.expressions.ConstantExpression;
+import org.apache.hyracks.api.constraints.expressions.ConstraintExpression;
+import org.apache.hyracks.api.constraints.expressions.LValueConstraintExpression;
 
 public class PartitionConstraintSolver {
     private final Map<LValueConstraintExpression, Set<ConstraintExpression>> constraints;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/RankedRunnableTaskCluster.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/RankedRunnableTaskCluster.java
index b636073..b7dbfab 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/RankedRunnableTaskCluster.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/RankedRunnableTaskCluster.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.scheduler;
+package org.apache.hyracks.control.cc.scheduler;
 
-import edu.uci.ics.hyracks.control.cc.job.TaskCluster;
+import org.apache.hyracks.control.cc.job.TaskCluster;
 
 public class RankedRunnableTaskCluster implements Comparable<RankedRunnableTaskCluster> {
     private final int rank;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/Runnability.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/Runnability.java
index 4f3de7f..f7d3ce2 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/Runnability.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/scheduler/Runnability.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.scheduler;
+package org.apache.hyracks.control.cc.scheduler;
 
 public final class Runnability {
     private final Tag tag;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/ApplicationInstallationHandler.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/ApplicationInstallationHandler.java
index 35165de..db638de 100755
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/ApplicationInstallationHandler.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/ApplicationInstallationHandler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web;
+package org.apache.hyracks.control.cc.web;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -31,8 +31,8 @@
 import org.eclipse.jetty.server.Request;
 import org.eclipse.jetty.server.handler.AbstractHandler;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class ApplicationInstallationHandler extends AbstractHandler {
     private ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/JobsRESTAPIFunction.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/JobsRESTAPIFunction.java
index ef79449..d9dfa33 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/JobsRESTAPIFunction.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/JobsRESTAPIFunction.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web;
+package org.apache.hyracks.control.cc.web;
 
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.web.util.IJSONOutputFunction;
-import edu.uci.ics.hyracks.control.cc.work.GetActivityClusterGraphJSONWork;
-import edu.uci.ics.hyracks.control.cc.work.GetJobRunJSONWork;
-import edu.uci.ics.hyracks.control.cc.work.GetJobSummariesJSONWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.web.util.IJSONOutputFunction;
+import org.apache.hyracks.control.cc.work.GetActivityClusterGraphJSONWork;
+import org.apache.hyracks.control.cc.work.GetJobRunJSONWork;
+import org.apache.hyracks.control.cc.work.GetJobSummariesJSONWork;
 
 public class JobsRESTAPIFunction implements IJSONOutputFunction {
     private ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/NodesRESTAPIFunction.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/NodesRESTAPIFunction.java
index 4afe032..7e58010 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/NodesRESTAPIFunction.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/NodesRESTAPIFunction.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web;
+package org.apache.hyracks.control.cc.web;
 
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.web.util.IJSONOutputFunction;
-import edu.uci.ics.hyracks.control.cc.work.GetNodeDetailsJSONWork;
-import edu.uci.ics.hyracks.control.cc.work.GetNodeSummariesJSONWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.web.util.IJSONOutputFunction;
+import org.apache.hyracks.control.cc.work.GetNodeDetailsJSONWork;
+import org.apache.hyracks.control.cc.work.GetNodeSummariesJSONWork;
 
 public class NodesRESTAPIFunction implements IJSONOutputFunction {
     private ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/StateDumpRESTAPIFunction.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/StateDumpRESTAPIFunction.java
index 1e4da5c..9e46cdb 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/StateDumpRESTAPIFunction.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/StateDumpRESTAPIFunction.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web;
+package org.apache.hyracks.control.cc.web;
 
 import java.util.Map;
 
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.web.util.IJSONOutputFunction;
-import edu.uci.ics.hyracks.control.cc.work.GatherStateDumpsWork;
-import edu.uci.ics.hyracks.control.cc.work.GatherStateDumpsWork.StateDumpRun;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.web.util.IJSONOutputFunction;
+import org.apache.hyracks.control.cc.work.GatherStateDumpsWork;
+import org.apache.hyracks.control.cc.work.GatherStateDumpsWork.StateDumpRun;
 
 public class StateDumpRESTAPIFunction implements IJSONOutputFunction {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/WebServer.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/WebServer.java
index c100111..36d80b7 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/WebServer.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/WebServer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web;
+package org.apache.hyracks.control.cc.web;
 
 import java.util.EnumSet;
 import java.util.logging.Logger;
@@ -34,10 +34,10 @@
 import org.eclipse.jetty.servlet.FilterHolder;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.adminconsole.HyracksAdminConsoleApplication;
-import edu.uci.ics.hyracks.control.cc.web.util.JSONOutputRequestHandler;
-import edu.uci.ics.hyracks.control.cc.web.util.RoutingHandler;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.adminconsole.HyracksAdminConsoleApplication;
+import org.apache.hyracks.control.cc.web.util.JSONOutputRequestHandler;
+import org.apache.hyracks.control.cc.web.util.RoutingHandler;
 
 public class WebServer {
     private final static Logger LOGGER = Logger.getLogger(WebServer.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/IJSONOutputFunction.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/IJSONOutputFunction.java
index ee720eb..d82d7f7 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/IJSONOutputFunction.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/IJSONOutputFunction.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web.util;
+package org.apache.hyracks.control.cc.web.util;
 
 import org.json.JSONObject;
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONOutputRequestHandler.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONOutputRequestHandler.java
index e890c23..0b0ab6c 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONOutputRequestHandler.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONOutputRequestHandler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web.util;
+package org.apache.hyracks.control.cc.web.util;
 
 import java.io.IOException;
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONUtils.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONUtils.java
index f245ee7..8f65d22 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONUtils.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/JSONUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web.util;
+package org.apache.hyracks.control.cc.web.util;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/RoutingHandler.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/RoutingHandler.java
index ba9a721..e209071 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/RoutingHandler.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/web/util/RoutingHandler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.web.util;
+package org.apache.hyracks.control.cc.web.util;
 
 import java.io.IOException;
 import java.util.HashMap;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractHeartbeatWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractHeartbeatWork.java
index 7605295..7d7e1a7 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractHeartbeatWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractHeartbeatWork.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public abstract class AbstractHeartbeatWork extends SynchronizableWork {
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractTaskLifecycleWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractTaskLifecycleWork.java
index bcb278b..4d5c109 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractTaskLifecycleWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/AbstractTaskLifecycleWork.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.ActivityPlan;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.job.Task;
-import edu.uci.ics.hyracks.control.cc.job.TaskAttempt;
-import edu.uci.ics.hyracks.control.cc.job.TaskCluster;
-import edu.uci.ics.hyracks.control.cc.job.TaskClusterAttempt;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.ActivityPlan;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.job.Task;
+import org.apache.hyracks.control.cc.job.TaskAttempt;
+import org.apache.hyracks.control.cc.job.TaskCluster;
+import org.apache.hyracks.control.cc.job.TaskClusterAttempt;
 
 public abstract class AbstractTaskLifecycleWork extends AbstractHeartbeatWork {
     protected final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ApplicationMessageWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ApplicationMessageWork.java
index 842c7c8..c495e1c 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ApplicationMessageWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ApplicationMessageWork.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.messages.IMessage;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.messages.IMessage;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
 
 /**
  * @author rico
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliDeployBinaryWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliDeployBinaryWork.java
index 1a889f8..8f0d8ea 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliDeployBinaryWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliDeployBinaryWork.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.net.URL;
 import java.util.List;
@@ -22,13 +22,13 @@
 import java.util.TreeSet;
 import java.util.UUID;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentRun;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.IPCResponder;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.deployment.DeploymentRun;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.IPCResponder;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 /***
  * This is the work happens on the CC for a dynamic deployment.
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliUnDeployBinaryWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliUnDeployBinaryWork.java
index ef82862..b6968c5 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliUnDeployBinaryWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/CliUnDeployBinaryWork.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.UUID;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentRun;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.IPCResponder;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.deployment.DeploymentRun;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.IPCResponder;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 /***
  * This is the work happens on the CC for an undeployment.
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ClusterShutdownWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ClusterShutdownWork.java
index c090e5e..0f0ffb1 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ClusterShutdownWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ClusterShutdownWork.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.shutdown.ShutdownRun;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.shutdown.ShutdownRun;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public class ClusterShutdownWork extends SynchronizableWork {
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GatherStateDumpsWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GatherStateDumpsWork.java
index 2bbc0ad..c677d75 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GatherStateDumpsWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GatherStateDumpsWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.HashMap;
 import java.util.HashSet;
@@ -20,9 +20,9 @@
 import java.util.Set;
 import java.util.UUID;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GatherStateDumpsWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetActivityClusterGraphJSONWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetActivityClusterGraphJSONWork.java
index 9b8e92b..1d20807 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetActivityClusterGraphJSONWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetActivityClusterGraphJSONWork.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetActivityClusterGraphJSONWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetDatasetDirectoryServiceInfoWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetDatasetDirectoryServiceInfoWork.java
index 6cef133..9356eda 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetDatasetDirectoryServiceInfoWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetDatasetDirectoryServiceInfoWork.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetDatasetDirectoryServiceInfoWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetIpAddressNodeNameMapWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetIpAddressNodeNameMapWork.java
index 029ab78..f6f0229 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetIpAddressNodeNameMapWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetIpAddressNodeNameMapWork.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.net.InetAddress;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetIpAddressNodeNameMapWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobInfoWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobInfoWork.java
index 72f8811..d979eb8 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobInfoWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobInfoWork.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobInfo;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobInfo;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetJobInfoWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobRunJSONWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobRunJSONWork.java
index f271f63..996a03e 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobRunJSONWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobRunJSONWork.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetJobRunJSONWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobStatusWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobStatusWork.java
index bcd0fc2..c025937 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobStatusWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobStatusWork.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetJobStatusWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobSummariesJSONWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobSummariesJSONWork.java
index 040fde8..ed80d96 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobSummariesJSONWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetJobSummariesJSONWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Collection;
 
@@ -20,9 +20,9 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetJobSummariesJSONWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeControllersInfoWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeControllersInfoWork.java
index f89be0a..82e7779 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeControllersInfoWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeControllersInfoWork.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.LinkedHashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.client.NodeStatus;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.client.NodeStatus;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.common.work.IResultCallback;
 
 public class GetNodeControllersInfoWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeDetailsJSONWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeDetailsJSONWork.java
index 819f9dc..a14ae67 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeDetailsJSONWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeDetailsJSONWork.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetNodeDetailsJSONWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeSummariesJSONWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeSummariesJSONWork.java
index 9840f6c..0e772ec 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeSummariesJSONWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeSummariesJSONWork.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import org.json.JSONArray;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetNodeSummariesJSONWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultPartitionLocationsWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultPartitionLocationsWork.java
index 2bed845..32433cd 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultPartitionLocationsWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultPartitionLocationsWork.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.api.dataset.DatasetDirectoryRecord;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.dataset.IDatasetDirectoryService;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.dataset.DatasetDirectoryRecord;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.dataset.IDatasetDirectoryService;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetResultPartitionLocationsWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultStatusWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultStatusWork.java
index adce1ef..c2601c8 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultStatusWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetResultStatusWork.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.dataset.DatasetJobRecord.Status;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.dataset.DatasetJobRecord.Status;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class GetResultStatusWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobCleanupWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobCleanupWork.java
index 5c9aad5..ffa5f9a 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobCleanupWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobCleanupWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.HashSet;
 import java.util.List;
@@ -22,15 +22,15 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.cc.application.CCApplicationContext;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class JobCleanupWork extends AbstractWork {
     private static final Logger LOGGER = Logger.getLogger(JobCleanupWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobStartWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobStartWork.java
index 9f8f91f..b006493 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobStartWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobStartWork.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Collections;
 import java.util.EnumSet;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGenerator;
-import edu.uci.ics.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.IActivityClusterGraphGenerator;
+import org.apache.hyracks.api.job.IActivityClusterGraphGeneratorFactory;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.application.CCApplicationContext;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class JobStartWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobletCleanupNotificationWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobletCleanupNotificationWork.java
index 9f1c4b2..aa73724 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobletCleanupNotificationWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/JobletCleanupNotificationWork.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.cc.application.CCApplicationContext;
+import org.apache.hyracks.control.cc.job.JobRun;
 
 public class JobletCleanupNotificationWork extends AbstractHeartbeatWork {
     private static final Logger LOGGER = Logger.getLogger(JobletCleanupNotificationWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
index 8ef8f66..40da3ae 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.logging.Level;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
 
 public class NodeHeartbeatWork extends AbstractHeartbeatWork {
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyDeployBinaryWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyDeployBinaryWork.java
index c35f385..c15ea12 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyDeployBinaryWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyDeployBinaryWork.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentRun;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.deployment.DeploymentRun;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
 
 /***
  * This is the work happens on the CC when CC gets a deployment or undeployment notification status message from one NC.
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyShutdownWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyShutdownWork.java
index aadfc09..ebc4113 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyShutdownWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyShutdownWork.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentRun;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.shutdown.ShutdownRun;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.deployment.DeploymentRun;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.shutdown.ShutdownRun;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class NotifyShutdownWork extends SynchronizableWork {
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyStateDumpResponse.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyStateDumpResponse.java
index 635b9bc..f3762c8 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyStateDumpResponse.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NotifyStateDumpResponse.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class NotifyStateDumpResponse extends AbstractWork {
 
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterNodeWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterNodeWork.java
index 084a430..c00763e 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterNodeWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterNodeWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.net.InetAddress;
 import java.util.HashMap;
@@ -22,15 +22,15 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.base.INodeController;
-import edu.uci.ics.hyracks.control.common.controllers.NodeParameters;
-import edu.uci.ics.hyracks.control.common.controllers.NodeRegistration;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions;
-import edu.uci.ics.hyracks.control.common.ipc.NodeControllerRemoteProxy;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.base.INodeController;
+import org.apache.hyracks.control.common.controllers.NodeParameters;
+import org.apache.hyracks.control.common.controllers.NodeRegistration;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions;
+import org.apache.hyracks.control.common.ipc.NodeControllerRemoteProxy;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.ipc.api.IIPCHandle;
 
 public class RegisterNodeWork extends SynchronizableWork {
     private static final Logger LOGGER = Logger.getLogger(RegisterNodeWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionAvailibilityWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionAvailibilityWork.java
index 3e6be30..830a3d4 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionAvailibilityWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionAvailibilityWork.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.List;
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.partitions.PartitionMatchMaker;
-import edu.uci.ics.hyracks.control.cc.partitions.PartitionUtils;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.partitions.PartitionMatchMaker;
+import org.apache.hyracks.control.cc.partitions.PartitionUtils;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class RegisterPartitionAvailibilityWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionRequestWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionRequestWork.java
index bb0d013..a7d5e8c 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionRequestWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterPartitionRequestWork.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import org.apache.commons.lang3.tuple.Pair;
 
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.partitions.PartitionMatchMaker;
-import edu.uci.ics.hyracks.control.cc.partitions.PartitionUtils;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.partitions.PartitionMatchMaker;
+import org.apache.hyracks.control.cc.partitions.PartitionUtils;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class RegisterPartitionRequestWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterResultPartitionLocationWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterResultPartitionLocationWork.java
index f87a7fa..3ebd9b4 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterResultPartitionLocationWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RegisterResultPartitionLocationWork.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class RegisterResultPartitionLocationWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RemoveDeadNodesWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RemoveDeadNodesWork.java
index a0b14f6..327efd9 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RemoveDeadNodesWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/RemoveDeadNodesWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.HashSet;
 import java.util.Map;
@@ -20,11 +20,11 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class RemoveDeadNodesWork extends AbstractWork {
     private static Logger LOGGER = Logger.getLogger(RemoveDeadNodesWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportProfilesWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportProfilesWork.java
index cc37449..564ba47 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportProfilesWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportProfilesWork.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.List;
 import java.util.Map;
 import java.util.logging.Level;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class ReportProfilesWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionFailureWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionFailureWork.java
index 5adb12d..ae37d63 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionFailureWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionFailureWork.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class ReportResultPartitionFailureWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionWriteCompletionWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionWriteCompletionWork.java
index fe2bb3a..b5124fb 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionWriteCompletionWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/ReportResultPartitionWriteCompletionWork.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.work.AbstractWork;
 
 public class ReportResultPartitionWriteCompletionWork extends AbstractWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskCompleteWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskCompleteWork.java
index d8d00f5..3e64526 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskCompleteWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskCompleteWork.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.job.TaskAttempt;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobletProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.job.TaskAttempt;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.job.profiling.om.JobletProfile;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
 
 public class TaskCompleteWork extends AbstractTaskLifecycleWork {
     private final TaskProfile statistics;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
index d6938d9..6eaaf63 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.JobRun;
-import edu.uci.ics.hyracks.control.cc.job.TaskAttempt;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.JobRun;
+import org.apache.hyracks.control.cc.job.TaskAttempt;
 
 public class TaskFailureWork extends AbstractTaskLifecycleWork {
     private final List<Exception> exceptions;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/UnregisterNodeWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/UnregisterNodeWork.java
index 3f9906a..2cfb456 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/UnregisterNodeWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/UnregisterNodeWork.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.NodeControllerState;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.NodeControllerState;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class UnregisterNodeWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java
index d212de4..0b74f27 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/WaitForJobCompletionWork.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.cc.work;
+package org.apache.hyracks.control.cc.work;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.cc.job.IJobStatusConditionVariable;
-import edu.uci.ics.hyracks.control.common.work.IResultCallback;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.cc.job.IJobStatusConditionVariable;
+import org.apache.hyracks.control.common.work.IResultCallback;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
 
 public class WaitForJobCompletionWork extends SynchronizableWork {
     private final ClusterControllerService ccs;
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/AbstractPage.html b/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/AbstractPage.html
similarity index 100%
rename from hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/AbstractPage.html
rename to hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/AbstractPage.html
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/IndexPage.html b/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/IndexPage.html
similarity index 100%
rename from hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/IndexPage.html
rename to hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/IndexPage.html
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/JobDetailsPage.html b/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/JobDetailsPage.html
similarity index 100%
rename from hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/JobDetailsPage.html
rename to hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/JobDetailsPage.html
diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.html b/hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.html
similarity index 100%
rename from hyracks/hyracks-control/hyracks-control-cc/src/main/resources/edu/uci/ics/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.html
rename to hyracks/hyracks-control/hyracks-control-cc/src/main/resources/org/apache/hyracks/control/cc/adminconsole/pages/NodeDetailsPage.html
diff --git a/hyracks/hyracks-control/hyracks-control-common/pom.xml b/hyracks/hyracks-control/hyracks-control-common/pom.xml
index 8b513f4..dae89d4 100644
--- a/hyracks/hyracks-control/hyracks-control-common/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-common/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-control-common</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -39,7 +39,7 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/AbstractRemoteService.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/AbstractRemoteService.java
index 21fdae5..c473f8a 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/AbstractRemoteService.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/AbstractRemoteService.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common;
+package org.apache.hyracks.control.common;
 
-import edu.uci.ics.hyracks.control.common.service.IService;
+import org.apache.hyracks.control.common.service.IService;
 
 public abstract class AbstractRemoteService implements IService {
     public AbstractRemoteService() {
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationContext.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationContext.java
index 828f2fb..cc8025a 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationContext.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationContext.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.application;
+package org.apache.hyracks.control.common.application;
 
 import java.io.IOException;
 import java.io.Serializable;
 import java.util.concurrent.ThreadFactory;
 
-import edu.uci.ics.hyracks.api.application.IApplicationContext;
-import edu.uci.ics.hyracks.api.job.IJobSerializerDeserializerContainer;
-import edu.uci.ics.hyracks.api.job.JobSerializerDeserializerContainer;
-import edu.uci.ics.hyracks.api.messages.IMessageBroker;
-import edu.uci.ics.hyracks.control.common.context.ServerContext;
+import org.apache.hyracks.api.application.IApplicationContext;
+import org.apache.hyracks.api.job.IJobSerializerDeserializerContainer;
+import org.apache.hyracks.api.job.JobSerializerDeserializerContainer;
+import org.apache.hyracks.api.messages.IMessageBroker;
+import org.apache.hyracks.control.common.context.ServerContext;
 
 public abstract class ApplicationContext implements IApplicationContext {
     protected ServerContext serverCtx;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationStatus.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationStatus.java
index a414a48..1ccaf10 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationStatus.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/application/ApplicationStatus.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.application;
+package org.apache.hyracks.control.common.application;
 
 public enum ApplicationStatus {
     CREATED,
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/IClusterController.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/IClusterController.java
index 3c67e17..e34a220 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/IClusterController.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/IClusterController.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.base;
+package org.apache.hyracks.control.common.base;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.controllers.NodeRegistration;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.controllers.NodeRegistration;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
 
 public interface IClusterController {
     public void registerNode(NodeRegistration reg) throws Exception;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/INodeController.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/INodeController.java
index d0631cd..077cf35 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/INodeController.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/base/INodeController.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.base;
+package org.apache.hyracks.control.common.base;
 
 import java.net.URL;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.TaskAttemptDescriptor;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.TaskAttemptDescriptor;
 
 public interface INodeController {
     public void startTasks(DeploymentId deploymentId, JobId jobId, byte[] planBytes,
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/context/ServerContext.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/context/ServerContext.java
index a121b81..58a8e6a 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/context/ServerContext.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/context/ServerContext.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.context;
+package org.apache.hyracks.control.common.context;
 
 import java.io.File;
 
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/CCConfig.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/CCConfig.java
index 21da850..6a96139 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/CCConfig.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/CCConfig.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.controllers;
+package org.apache.hyracks.control.common.controllers;
 
 import java.io.File;
 import java.util.List;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NCConfig.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NCConfig.java
index 5fa1859..0774c1f 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NCConfig.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NCConfig.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.controllers;
+package org.apache.hyracks.control.common.controllers;
 
 import java.io.Serializable;
 import java.util.List;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeParameters.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeParameters.java
index 1af4a45..3ccbc6b 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeParameters.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeParameters.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.controllers;
+package org.apache.hyracks.control.common.controllers;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.client.ClusterControllerInfo;
+import org.apache.hyracks.api.client.ClusterControllerInfo;
 
 public class NodeParameters implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeRegistration.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeRegistration.java
index 5342b69..03180bc 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeRegistration.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/controllers/NodeRegistration.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.controllers;
+package org.apache.hyracks.control.common.controllers;
 
 import java.io.Serializable;
 import java.net.InetSocketAddress;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatSchema;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatSchema;
 
 public final class NodeRegistration implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/dataset/ResultStateSweeper.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/dataset/ResultStateSweeper.java
index a5f0d8f..051f114 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/dataset/ResultStateSweeper.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/dataset/ResultStateSweeper.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.dataset;
+package org.apache.hyracks.control.common.dataset;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataset.IDatasetManager;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataset.IDatasetManager;
+import org.apache.hyracks.api.job.JobId;
 
 /**
  * Sweeper to clean up the stale result distribution files and result states.
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/ClassLoaderJobSerializerDeserializer.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/ClassLoaderJobSerializerDeserializer.java
index 9be3818..dc96552 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/ClassLoaderJobSerializerDeserializer.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/ClassLoaderJobSerializerDeserializer.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.deployment;
+package org.apache.hyracks.control.common.deployment;
 
 import java.io.Serializable;
 import java.lang.reflect.Method;
@@ -23,9 +23,9 @@
 import java.util.Comparator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IJobSerializerDeserializer;
-import edu.uci.ics.hyracks.api.util.JavaSerializationUtils;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.IJobSerializerDeserializer;
+import org.apache.hyracks.api.util.JavaSerializationUtils;
 
 /**
  * This is the IJobSerializerDeserializer implementation for jobs with dynamic deployed jars.
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentRun.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentRun.java
index 84cfbb1..72e9254 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentRun.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentRun.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.deployment;
+package org.apache.hyracks.control.common.deployment;
 
 import java.util.Set;
 import java.util.TreeSet;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentStatus.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentStatus.java
index 4ba50b7..8cbcf66 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentStatus.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentStatus.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.deployment;
+package org.apache.hyracks.control.common.deployment;
 
 public enum DeploymentStatus {
     SUCCEED,
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentUtils.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentUtils.java
index a39a159..835cf3b 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentUtils.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/DeploymentUtils.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.deployment;
+package org.apache.hyracks.control.common.deployment;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -30,13 +30,13 @@
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.HttpClientBuilder;
 
-import edu.uci.ics.hyracks.api.application.IApplicationContext;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IJobSerializerDeserializer;
-import edu.uci.ics.hyracks.api.job.IJobSerializerDeserializerContainer;
-import edu.uci.ics.hyracks.api.util.JavaSerializationUtils;
-import edu.uci.ics.hyracks.control.common.context.ServerContext;
+import org.apache.hyracks.api.application.IApplicationContext;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.IJobSerializerDeserializer;
+import org.apache.hyracks.api.job.IJobSerializerDeserializerContainer;
+import org.apache.hyracks.api.util.JavaSerializationUtils;
+import org.apache.hyracks.control.common.context.ServerContext;
 
 /**
  * A utility class which is in charge of the actual work of deployments.
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/IDeploymentStatusConditionVariable.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/IDeploymentStatusConditionVariable.java
index 771baaa..c2362e0 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/IDeploymentStatusConditionVariable.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/deployment/IDeploymentStatusConditionVariable.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.deployment;
+package org.apache.hyracks.control.common.deployment;
 
 /**
  * The conditional variable interface for deployment
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatData.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatData.java
index d574435..2397a06 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatData.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatData.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.heartbeat;
+package org.apache.hyracks.control.common.heartbeat;
 
 import java.io.DataInput;
 import java.io.DataOutput;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatSchema.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatSchema.java
index b40cfe6..2d5a08b 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatSchema.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/heartbeat/HeartbeatSchema.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.heartbeat;
+package org.apache.hyracks.control.common.heartbeat;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/CCNCFunctions.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/CCNCFunctions.java
index 365cf2e..91db3d5 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/CCNCFunctions.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/CCNCFunctions.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.ipc;
+package org.apache.hyracks.control.common.ipc;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -32,33 +32,33 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.ConnectorPolicyFactory;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.controllers.NodeParameters;
-import edu.uci.ics.hyracks.control.common.controllers.NodeRegistration;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.common.job.TaskAttemptDescriptor;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
-import edu.uci.ics.hyracks.ipc.api.IPayloadSerializerDeserializer;
-import edu.uci.ics.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.connectors.ConnectorPolicyFactory;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.controllers.NodeParameters;
+import org.apache.hyracks.control.common.controllers.NodeRegistration;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.common.job.TaskAttemptDescriptor;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.ipc.api.IPayloadSerializerDeserializer;
+import org.apache.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
 
 public class CCNCFunctions {
     private static final Logger LOGGER = Logger.getLogger(CCNCFunctions.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/ClusterControllerRemoteProxy.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/ClusterControllerRemoteProxy.java
index 14ed22e..c855811 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/ClusterControllerRemoteProxy.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/ClusterControllerRemoteProxy.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.ipc;
+package org.apache.hyracks.control.common.ipc;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.base.IClusterController;
-import edu.uci.ics.hyracks.control.common.controllers.NodeRegistration;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.base.IClusterController;
+import org.apache.hyracks.control.common.controllers.NodeRegistration;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.ipc.api.IIPCHandle;
 
 public class ClusterControllerRemoteProxy implements IClusterController {
     private final IIPCHandle ipcHandle;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/NodeControllerRemoteProxy.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/NodeControllerRemoteProxy.java
index a9d3d2b..56d247b 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/NodeControllerRemoteProxy.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/ipc/NodeControllerRemoteProxy.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.ipc;
+package org.apache.hyracks.control.common.ipc;
 
 import java.net.URL;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.base.INodeController;
-import edu.uci.ics.hyracks.control.common.job.TaskAttemptDescriptor;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.base.INodeController;
+import org.apache.hyracks.control.common.job.TaskAttemptDescriptor;
+import org.apache.hyracks.ipc.api.IIPCHandle;
 
 public class NodeControllerRemoteProxy implements INodeController {
     private final IIPCHandle ipcHandle;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionDescriptor.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionDescriptor.java
index b18c082..45cab29 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionDescriptor.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionDescriptor.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job;
+package org.apache.hyracks.control.common.job;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class PartitionDescriptor implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionRequest.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionRequest.java
index 43a3e6e..d39addc 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionRequest.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionRequest.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job;
+package org.apache.hyracks.control.common.job;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class PartitionRequest implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionState.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionState.java
index e3672a7..8de44ab 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionState.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/PartitionState.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job;
+package org.apache.hyracks.control.common.job;
 
 public enum PartitionState {
     STARTED,
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/TaskAttemptDescriptor.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/TaskAttemptDescriptor.java
index 43b39d3..b96c311 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/TaskAttemptDescriptor.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/TaskAttemptDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job;
+package org.apache.hyracks.control.common.job;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -20,9 +20,9 @@
 import java.io.Serializable;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.io.IWritable;
 
 public class TaskAttemptDescriptor implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/Counter.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/Counter.java
index 83a0a15..8802111 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/Counter.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/Counter.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.counters;
+package org.apache.hyracks.control.common.job.profiling.counters;
 
 import java.util.concurrent.atomic.AtomicLong;
 
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
 
 public class Counter implements ICounter {
     private final String name;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/MultiResolutionEventProfiler.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/MultiResolutionEventProfiler.java
index b8b90cb..85bb35a 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/MultiResolutionEventProfiler.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/counters/MultiResolutionEventProfiler.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.counters;
+package org.apache.hyracks.control.common.job.profiling.counters;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public class MultiResolutionEventProfiler implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/AbstractProfile.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/AbstractProfile.java
index 12cd4b1..3919be2 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/AbstractProfile.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/AbstractProfile.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.om;
+package org.apache.hyracks.control.common.job.profiling.om;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -26,7 +26,7 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.io.IWritable;
 
 public abstract class AbstractProfile implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java
index a3f7e41..27dddef 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobProfile.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.om;
+package org.apache.hyracks.control.common.job.profiling.om;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -25,7 +25,7 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobId;
 
 public class JobProfile extends AbstractProfile {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobletProfile.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobletProfile.java
index a879873..4ea0036 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobletProfile.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/JobletProfile.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.om;
+package org.apache.hyracks.control.common.job.profiling.om;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -25,7 +25,7 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
 
 public class JobletProfile extends AbstractProfile {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/PartitionProfile.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/PartitionProfile.java
index 3fc456d..ff42b3f 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/PartitionProfile.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/PartitionProfile.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.om;
+package org.apache.hyracks.control.common.job.profiling.om;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.IWritable;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.MultiResolutionEventProfiler;
+import org.apache.hyracks.api.io.IWritable;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.profiling.counters.MultiResolutionEventProfiler;
 
 public class PartitionProfile implements IWritable, Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/TaskProfile.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/TaskProfile.java
index 8774a50..84e079b 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/TaskProfile.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/job/profiling/om/TaskProfile.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.job.profiling.om;
+package org.apache.hyracks.control.common.job.profiling.om;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -25,9 +25,9 @@
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.MultiResolutionEventProfiler;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.profiling.counters.MultiResolutionEventProfiler;
 
 public class TaskProfile extends AbstractProfile {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/logs/LogFile.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/logs/LogFile.java
index d43070e..8615045 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/logs/LogFile.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/logs/LogFile.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.logs;
+package org.apache.hyracks.control.common.logs;
 
 import java.io.File;
 import java.io.FileOutputStream;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/AbstractService.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/AbstractService.java
index 9201b72..b44ac7c 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/AbstractService.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/AbstractService.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.service;
+package org.apache.hyracks.control.common.service;
 
 public abstract class AbstractService implements IService {
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/IService.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/IService.java
index 30ffb94..d98836f 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/IService.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/service/IService.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.service;
+package org.apache.hyracks.control.common.service;
 
 public interface IService {
     public void start() throws Exception;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/IShutdownStatusConditionVariable.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/IShutdownStatusConditionVariable.java
index d403718..df81cd2 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/IShutdownStatusConditionVariable.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/IShutdownStatusConditionVariable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.shutdown;
+package org.apache.hyracks.control.common.shutdown;
 
 public interface IShutdownStatusConditionVariable {
     /**
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/ShutdownRun.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/ShutdownRun.java
index c8b824f..768182e 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/ShutdownRun.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/shutdown/ShutdownRun.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.common.shutdown;
+package org.apache.hyracks.control.common.shutdown;
 
 import java.util.Set;
 import java.util.TreeSet;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/utils/ExceptionUtils.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/utils/ExceptionUtils.java
index cbdc6e5..3ef47ae 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/utils/ExceptionUtils.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/utils/ExceptionUtils.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.utils;
+package org.apache.hyracks.control.common.utils;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * @author yingyib
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/AbstractWork.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/AbstractWork.java
index 7203a36..7e91d90 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/AbstractWork.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/AbstractWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.work;
+package org.apache.hyracks.control.common.work;
 
 import java.util.logging.Level;
 
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/FutureValue.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/FutureValue.java
index 5096989..befdbf6 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/FutureValue.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/FutureValue.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.work;
+package org.apache.hyracks.control.common.work;
 
 public class FutureValue<T> implements IResultCallback<T> {
     private boolean done;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IPCResponder.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IPCResponder.java
index c4dc2bb..a5acb93 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IPCResponder.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IPCResponder.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.work;
+package org.apache.hyracks.control.common.work;
 
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public class IPCResponder<T> implements IResultCallback<T> {
     private final IIPCHandle handle;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IResultCallback.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IResultCallback.java
index ac9b0e5..da659d1 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IResultCallback.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/IResultCallback.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.work;
+package org.apache.hyracks.control.common.work;
 
 public interface IResultCallback<T> {
     public void setValue(T result);
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/SynchronizableWork.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/SynchronizableWork.java
index c0e4e80..05109cb 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/SynchronizableWork.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/SynchronizableWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.work;
+package org.apache.hyracks.control.common.work;
 
 public abstract class SynchronizableWork extends AbstractWork {
     private boolean done;
diff --git a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/WorkQueue.java b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/WorkQueue.java
index 251ebb1..cd8d057 100644
--- a/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/WorkQueue.java
+++ b/hyracks/hyracks-control/hyracks-control-common/src/main/java/org/apache/hyracks/control/common/work/WorkQueue.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.common.work;
+package org.apache.hyracks.control.common.work;
 
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.Semaphore;
@@ -20,7 +20,7 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.exceptions.HyracksException;
 
 public class WorkQueue {
     private static final Logger LOGGER = Logger.getLogger(WorkQueue.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/pom.xml b/hyracks/hyracks-control/hyracks-control-nc/pom.xml
index f9ee1d8..097c347 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-nc/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-control-nc</artifactId>
   <name>hyracks-control-nc</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -38,19 +38,19 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-net</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-comm</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Joblet.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Joblet.java
index c6e49e1..6cdcecd 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Joblet.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Joblet.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc;
+package org.apache.hyracks.control.nc;
 
 import java.nio.ByteBuffer;
 import java.util.Collection;
@@ -23,40 +23,40 @@
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.PartitionChannel;
-import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.IGlobalJobDataFactory;
-import edu.uci.ics.hyracks.api.job.IJobletEventListener;
-import edu.uci.ics.hyracks.api.job.IJobletEventListenerFactory;
-import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.job.PartitionRequest;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.Counter;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobletProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.PartitionProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.WorkspaceFileFactory;
-import edu.uci.ics.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.PartitionChannel;
+import org.apache.hyracks.api.context.IHyracksJobletContext;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.state.IStateObject;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.IGlobalJobDataFactory;
+import org.apache.hyracks.api.job.IJobletEventListener;
+import org.apache.hyracks.api.job.IJobletEventListenerFactory;
+import org.apache.hyracks.api.job.IOperatorEnvironment;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.job.PartitionRequest;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.common.job.profiling.counters.Counter;
+import org.apache.hyracks.control.common.job.profiling.om.JobletProfile;
+import org.apache.hyracks.control.common.job.profiling.om.PartitionProfile;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.WorkspaceFileFactory;
+import org.apache.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
 
 public class Joblet implements IHyracksJobletContext, ICounterContext {
     private static final Logger LOGGER = Logger.getLogger(Joblet.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NCDriver.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NCDriver.java
index 8c88627..fbd06ed 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NCDriver.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NCDriver.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc;
+package org.apache.hyracks.control.nc;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import org.kohsuke.args4j.CmdLineParser;
 
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
 
 public class NCDriver {
     private static final Logger LOGGER = Logger.getLogger(NCDriver.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NodeControllerService.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NodeControllerService.java
index 88c05be..cce72bd 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NodeControllerService.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/NodeControllerService.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc;
+package org.apache.hyracks.control.nc;
 
 import java.io.File;
 import java.lang.management.GarbageCollectorMXBean;
@@ -39,55 +39,55 @@
 import org.apache.commons.lang3.mutable.Mutable;
 import org.apache.commons.lang3.mutable.MutableObject;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationEntryPoint;
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponentManager;
-import edu.uci.ics.hyracks.api.lifecycle.LifeCycleComponentManager;
-import edu.uci.ics.hyracks.control.common.AbstractRemoteService;
-import edu.uci.ics.hyracks.control.common.base.IClusterController;
-import edu.uci.ics.hyracks.control.common.context.ServerContext;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NodeParameters;
-import edu.uci.ics.hyracks.control.common.controllers.NodeRegistration;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatData;
-import edu.uci.ics.hyracks.control.common.heartbeat.HeartbeatSchema;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions;
-import edu.uci.ics.hyracks.control.common.ipc.CCNCFunctions.StateDumpRequestFunction;
-import edu.uci.ics.hyracks.control.common.ipc.ClusterControllerRemoteProxy;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.work.FutureValue;
-import edu.uci.ics.hyracks.control.common.work.WorkQueue;
-import edu.uci.ics.hyracks.control.nc.application.NCApplicationContext;
-import edu.uci.ics.hyracks.control.nc.dataset.DatasetPartitionManager;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.profiling.IIOCounter;
-import edu.uci.ics.hyracks.control.nc.io.profiling.IOCounterFactory;
-import edu.uci.ics.hyracks.control.nc.net.DatasetNetworkManager;
-import edu.uci.ics.hyracks.control.nc.net.NetworkManager;
-import edu.uci.ics.hyracks.control.nc.partitions.PartitionManager;
-import edu.uci.ics.hyracks.control.nc.resources.memory.MemoryManager;
-import edu.uci.ics.hyracks.control.nc.runtime.RootHyracksContext;
-import edu.uci.ics.hyracks.control.nc.work.AbortTasksWork;
-import edu.uci.ics.hyracks.control.nc.work.ApplicationMessageWork;
-import edu.uci.ics.hyracks.control.nc.work.BuildJobProfilesWork;
-import edu.uci.ics.hyracks.control.nc.work.CleanupJobletWork;
-import edu.uci.ics.hyracks.control.nc.work.DeployBinaryWork;
-import edu.uci.ics.hyracks.control.nc.work.ReportPartitionAvailabilityWork;
-import edu.uci.ics.hyracks.control.nc.work.ShutdownWork;
-import edu.uci.ics.hyracks.control.nc.work.StartTasksWork;
-import edu.uci.ics.hyracks.control.nc.work.StateDumpWork;
-import edu.uci.ics.hyracks.control.nc.work.UnDeployBinaryWork;
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.IIPCI;
-import edu.uci.ics.hyracks.ipc.api.IPCPerformanceCounters;
-import edu.uci.ics.hyracks.ipc.impl.IPCSystem;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
+import org.apache.hyracks.api.application.INCApplicationEntryPoint;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponentManager;
+import org.apache.hyracks.api.lifecycle.LifeCycleComponentManager;
+import org.apache.hyracks.control.common.AbstractRemoteService;
+import org.apache.hyracks.control.common.base.IClusterController;
+import org.apache.hyracks.control.common.context.ServerContext;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.common.controllers.NodeParameters;
+import org.apache.hyracks.control.common.controllers.NodeRegistration;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
+import org.apache.hyracks.control.common.heartbeat.HeartbeatSchema;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions;
+import org.apache.hyracks.control.common.ipc.CCNCFunctions.StateDumpRequestFunction;
+import org.apache.hyracks.control.common.ipc.ClusterControllerRemoteProxy;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.work.FutureValue;
+import org.apache.hyracks.control.common.work.WorkQueue;
+import org.apache.hyracks.control.nc.application.NCApplicationContext;
+import org.apache.hyracks.control.nc.dataset.DatasetPartitionManager;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.profiling.IIOCounter;
+import org.apache.hyracks.control.nc.io.profiling.IOCounterFactory;
+import org.apache.hyracks.control.nc.net.DatasetNetworkManager;
+import org.apache.hyracks.control.nc.net.NetworkManager;
+import org.apache.hyracks.control.nc.partitions.PartitionManager;
+import org.apache.hyracks.control.nc.resources.memory.MemoryManager;
+import org.apache.hyracks.control.nc.runtime.RootHyracksContext;
+import org.apache.hyracks.control.nc.work.AbortTasksWork;
+import org.apache.hyracks.control.nc.work.ApplicationMessageWork;
+import org.apache.hyracks.control.nc.work.BuildJobProfilesWork;
+import org.apache.hyracks.control.nc.work.CleanupJobletWork;
+import org.apache.hyracks.control.nc.work.DeployBinaryWork;
+import org.apache.hyracks.control.nc.work.ReportPartitionAvailabilityWork;
+import org.apache.hyracks.control.nc.work.ShutdownWork;
+import org.apache.hyracks.control.nc.work.StartTasksWork;
+import org.apache.hyracks.control.nc.work.StateDumpWork;
+import org.apache.hyracks.control.nc.work.UnDeployBinaryWork;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.IIPCI;
+import org.apache.hyracks.ipc.api.IPCPerformanceCounters;
+import org.apache.hyracks.ipc.impl.IPCSystem;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
 
 public class NodeControllerService extends AbstractRemoteService {
     private static Logger LOGGER = Logger.getLogger(NodeControllerService.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java
index 387ab04..c9f4f29 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/Task.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc;
+package org.apache.hyracks.control.nc;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -25,38 +25,38 @@
 import java.util.concurrent.Executor;
 import java.util.concurrent.Semaphore;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.PartitionChannel;
-import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.Counter;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.PartitionProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
-import edu.uci.ics.hyracks.control.common.utils.ExceptionUtils;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.WorkspaceFileFactory;
-import edu.uci.ics.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
-import edu.uci.ics.hyracks.control.nc.work.NotifyTaskCompleteWork;
-import edu.uci.ics.hyracks.control.nc.work.NotifyTaskFailureWork;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.PartitionChannel;
+import org.apache.hyracks.api.context.IHyracksJobletContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.state.IStateObject;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.IOperatorEnvironment;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.common.job.profiling.counters.Counter;
+import org.apache.hyracks.control.common.job.profiling.om.PartitionProfile;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.control.common.utils.ExceptionUtils;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.WorkspaceFileFactory;
+import org.apache.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
+import org.apache.hyracks.control.nc.work.NotifyTaskCompleteWork;
+import org.apache.hyracks.control.nc.work.NotifyTaskFailureWork;
 
 public class Task implements IHyracksTaskContext, ICounterContext, Runnable {
     private final Joblet joblet;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/application/NCApplicationContext.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/application/NCApplicationContext.java
index a6c2cc4..8a33f27 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/application/NCApplicationContext.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/application/NCApplicationContext.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.application;
+package org.apache.hyracks.control.nc.application;
 
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.application.IStateDumpHandler;
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponentManager;
-import edu.uci.ics.hyracks.api.resources.memory.IMemoryManager;
-import edu.uci.ics.hyracks.control.common.application.ApplicationContext;
-import edu.uci.ics.hyracks.control.common.context.ServerContext;
-import edu.uci.ics.hyracks.control.nc.resources.memory.MemoryManager;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.application.IStateDumpHandler;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponentManager;
+import org.apache.hyracks.api.resources.memory.IMemoryManager;
+import org.apache.hyracks.control.common.application.ApplicationContext;
+import org.apache.hyracks.control.common.context.ServerContext;
+import org.apache.hyracks.control.nc.resources.memory.MemoryManager;
 
 public class NCApplicationContext extends ApplicationContext implements INCApplicationContext {
     private final ILifeCycleComponentManager lccm;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetMemoryManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetMemoryManager.java
index d9f7302..121934b 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetMemoryManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetMemoryManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.dataset;
+package org.apache.hyracks.control.nc.dataset;
 
 import java.nio.ByteBuffer;
 import java.util.HashMap;
@@ -21,8 +21,8 @@
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.ResultSetPartitionId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.ResultSetPartitionId;
 
 public class DatasetMemoryManager {
     private int availableMemory;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionManager.java
index 7adc240..11bd362 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.dataset;
+package org.apache.hyracks.control.nc.dataset;
 
 import java.util.HashMap;
 import java.util.LinkedHashMap;
@@ -22,19 +22,19 @@
 import java.util.concurrent.Executor;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.dataset.IDatasetStateRecord;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.dataset.ResultStateSweeper;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.WorkspaceFileFactory;
-import edu.uci.ics.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.dataset.IDatasetStateRecord;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.dataset.ResultStateSweeper;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.WorkspaceFileFactory;
+import org.apache.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
 
 public class DatasetPartitionManager implements IDatasetPartitionManager {
     private static final Logger LOGGER = Logger.getLogger(DatasetPartitionManager.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionReader.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionReader.java
index 6d6fc83..e3888e9 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionReader.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionReader.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.dataset;
+package org.apache.hyracks.control.nc.dataset;
 
 import java.nio.ByteBuffer;
 import java.util.concurrent.Executor;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.comm.channels.NetworkOutputChannel;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.comm.channels.NetworkOutputChannel;
 
 public class DatasetPartitionReader {
     private static final Logger LOGGER = Logger.getLogger(DatasetPartitionReader.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
index 673a319..59f368f 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.dataset;
+package org.apache.hyracks.control.nc.dataset;
 
 import java.nio.ByteBuffer;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.ResultSetPartitionId;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.ResultSetPartitionId;
 
 public class DatasetPartitionWriter implements IFrameWriter {
     private static final Logger LOGGER = Logger.getLogger(DatasetPartitionWriter.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/Page.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/Page.java
index 4387e2b..3884f07 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/Page.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/Page.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.dataset;
+package org.apache.hyracks.control.nc.dataset;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/ResultState.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/ResultState.java
index 9ea6ddb..e50b2df 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/ResultState.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/ResultState.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.dataset;
+package org.apache.hyracks.control.nc.dataset;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -22,14 +22,14 @@
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.ResultSetPartitionId;
+import org.apache.hyracks.api.dataflow.state.IStateObject;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.ResultSetPartitionId;
 
 public class ResultState implements IStateObject {
     private static final String FILE_PREFIX = "result_";
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/FileHandle.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/FileHandle.java
index 5f28649..b7d5e11 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/FileHandle.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/FileHandle.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.io;
+package org.apache.hyracks.control.nc.io;
 
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.nio.channels.FileChannel;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
 
 public class FileHandle implements IFileHandle {
     private final FileReference fileRef;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
index b3f3e2a..69310ff 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.io;
+package org.apache.hyracks.control.nc.io;
 
 import java.io.File;
 import java.io.IOException;
@@ -22,13 +22,13 @@
 import java.util.List;
 import java.util.concurrent.Executor;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOFuture;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOFuture;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IODeviceHandle;
 
 public class IOManager implements IIOManager {
     private final List<IODeviceHandle> ioDevices;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/WorkspaceFileFactory.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/WorkspaceFileFactory.java
index 2c9ac97..97d40de 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/WorkspaceFileFactory.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/WorkspaceFileFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.io;
+package org.apache.hyracks.control.nc.io;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
-import edu.uci.ics.hyracks.api.resources.IDeallocatableRegistry;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.api.resources.IDeallocatableRegistry;
 
 public final class WorkspaceFileFactory implements IWorkspaceFileFactory {
     private final IDeallocatableRegistry registry;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IIOCounter.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IIOCounter.java
index 6774262..005d68e 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IIOCounter.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IIOCounter.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.io.profiling;
+package org.apache.hyracks.control.nc.io.profiling;
 
 public interface IIOCounter {
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterDefault.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterDefault.java
index f53f79c..e26c232 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterDefault.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterDefault.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.io.profiling;
+package org.apache.hyracks.control.nc.io.profiling;
 
 public class IOCounterDefault implements IIOCounter{
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterFactory.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterFactory.java
index 06ccfaf..6bd86c2 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterFactory.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.io.profiling;
+package org.apache.hyracks.control.nc.io.profiling;
 
 public class IOCounterFactory {
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterLinux.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterLinux.java
index 804f61d..5e72ed6 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterLinux.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterLinux.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.io.profiling;
+package org.apache.hyracks.control.nc.io.profiling;
 
 import java.io.BufferedReader;
 import java.io.FileInputStream;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterOSX.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterOSX.java
index 5f56ca8..faafe12 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterOSX.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/IOCounterOSX.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.io.profiling;
+package org.apache.hyracks.control.nc.io.profiling;
 
 public class IOCounterOSX implements IIOCounter {
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/DatasetNetworkManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/DatasetNetworkManager.java
index 784c177..d1ddc0f 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/DatasetNetworkManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/DatasetNetworkManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.net;
+package org.apache.hyracks.control.nc.net;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -21,20 +21,20 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.comm.channels.IChannelConnectionFactory;
-import edu.uci.ics.hyracks.comm.channels.NetworkOutputChannel;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
-import edu.uci.ics.hyracks.net.exceptions.NetException;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.IChannelOpenListener;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MultiplexedConnection;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemux;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.comm.channels.IChannelConnectionFactory;
+import org.apache.hyracks.comm.channels.NetworkOutputChannel;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.net.protocols.muxdemux.IChannelOpenListener;
+import org.apache.hyracks.net.protocols.muxdemux.MultiplexedConnection;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemux;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
 
 public class DatasetNetworkManager implements IChannelConnectionFactory {
     private static final Logger LOGGER = Logger.getLogger(DatasetNetworkManager.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/NetworkManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/NetworkManager.java
index 466d6f2..de99afe 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/NetworkManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/net/NetworkManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.net;
+package org.apache.hyracks.control.nc.net;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -21,21 +21,21 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.comm.channels.IChannelConnectionFactory;
-import edu.uci.ics.hyracks.comm.channels.NetworkOutputChannel;
-import edu.uci.ics.hyracks.control.nc.partitions.PartitionManager;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
-import edu.uci.ics.hyracks.net.exceptions.NetException;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.IChannelOpenListener;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MultiplexedConnection;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemux;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.comm.channels.IChannelConnectionFactory;
+import org.apache.hyracks.comm.channels.NetworkOutputChannel;
+import org.apache.hyracks.control.nc.partitions.PartitionManager;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.net.protocols.muxdemux.IChannelOpenListener;
+import org.apache.hyracks.net.protocols.muxdemux.MultiplexedConnection;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemux;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters;
 
 public class NetworkManager implements IChannelConnectionFactory {
     private static final Logger LOGGER = Logger.getLogger(NetworkManager.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartition.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartition.java
index 6c4570d..f3f0bfd 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartition.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartition.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.nio.ByteBuffer;
 import java.util.concurrent.Executor;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.partitions.IPartition;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.partitions.IPartition;
+import org.apache.hyracks.control.nc.io.IOManager;
 
 public class MaterializedPartition implements IPartition {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionInputChannel.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionInputChannel.java
index b52a8a1..ba5dea5 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionInputChannel.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionInputChannel.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayDeque;
 import java.util.Queue;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.IPartition;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.IPartition;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class MaterializedPartitionInputChannel implements IInputChannel {
     private final int nBuffers;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionWriter.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionWriter.java
index b94d714..3d72ffd 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionWriter.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializedPartitionWriter.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.nio.ByteBuffer;
 import java.util.concurrent.Executor;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.nc.io.IOManager;
 
 public class MaterializedPartitionWriter implements IFrameWriter {
     private static final Logger LOGGER = Logger.getLogger(MaterializedPartitionWriter.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializingPipelinedPartition.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializingPipelinedPartition.java
index 6393979..c75e592 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializingPipelinedPartition.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/MaterializingPipelinedPartition.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.nio.ByteBuffer;
 import java.util.concurrent.Executor;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.partitions.IPartition;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.partitions.IPartition;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.nc.io.IOManager;
 
 public class MaterializingPipelinedPartition implements IFrameWriter, IPartition {
     private static final Logger LOGGER = Logger.getLogger(MaterializingPipelinedPartition.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PartitionManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PartitionManager.java
index 4f5d60f..8324859 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PartitionManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PartitionManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -21,20 +21,20 @@
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.IPartition;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.comm.channels.NetworkOutputChannel;
-import edu.uci.ics.hyracks.control.common.job.PartitionDescriptor;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.WorkspaceFileFactory;
-import edu.uci.ics.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.IWorkspaceFileFactory;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.IPartition;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.comm.channels.NetworkOutputChannel;
+import org.apache.hyracks.control.common.job.PartitionDescriptor;
+import org.apache.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.WorkspaceFileFactory;
+import org.apache.hyracks.control.nc.resources.DefaultDeallocatableRegistry;
 
 public class PartitionManager {
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PipelinedPartition.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PipelinedPartition.java
index c1abdc3..6cbda8a 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PipelinedPartition.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/PipelinedPartition.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.IPartition;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.PartitionState;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.IPartition;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.PartitionState;
 
 public class PipelinedPartition implements IFrameWriter, IPartition {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/ReceiveSideMaterializingCollector.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/ReceiveSideMaterializingCollector.java
index 6564091..4ddb6c1 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/ReceiveSideMaterializingCollector.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/partitions/ReceiveSideMaterializingCollector.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.partitions;
+package org.apache.hyracks.control.nc.partitions;
 
 import java.nio.ByteBuffer;
 import java.util.Collection;
@@ -21,18 +21,18 @@
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.PartitionChannel;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.PartitionChannel;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class ReceiveSideMaterializingCollector implements IPartitionCollector {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorReceiverProfilingFrameReader.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorReceiverProfilingFrameReader.java
index c9fc237..854ea2a 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorReceiverProfilingFrameReader.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorReceiverProfilingFrameReader.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.profiling;
+package org.apache.hyracks.control.nc.profiling;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
 
 public class ConnectorReceiverProfilingFrameReader implements IFrameReader {
     private final IFrameReader reader;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorSenderProfilingFrameWriter.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorSenderProfilingFrameWriter.java
index 620a454..56e21b5 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorSenderProfilingFrameWriter.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ConnectorSenderProfilingFrameWriter.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.profiling;
+package org.apache.hyracks.control.nc.profiling;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
 
 public class ConnectorSenderProfilingFrameWriter implements IFrameWriter {
     private final IFrameWriter writer;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ProfilingPartitionWriterFactory.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ProfilingPartitionWriterFactory.java
index 5509555..ecbca39 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ProfilingPartitionWriterFactory.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/profiling/ProfilingPartitionWriterFactory.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.profiling;
+package org.apache.hyracks.control.nc.profiling;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.MultiResolutionEventProfiler;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.PartitionProfile;
-import edu.uci.ics.hyracks.control.nc.Task;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.control.common.job.profiling.counters.MultiResolutionEventProfiler;
+import org.apache.hyracks.control.common.job.profiling.om.PartitionProfile;
+import org.apache.hyracks.control.nc.Task;
 
 public class ProfilingPartitionWriterFactory implements IPartitionWriterFactory {
     private static final int N_SAMPLES = 64;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/DefaultDeallocatableRegistry.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/DefaultDeallocatableRegistry.java
index a719873..a61a87b 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/DefaultDeallocatableRegistry.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/DefaultDeallocatableRegistry.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.resources;
+package org.apache.hyracks.control.nc.resources;
 
 import java.util.List;
 import java.util.Vector;
 
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
-import edu.uci.ics.hyracks.api.resources.IDeallocatableRegistry;
+import org.apache.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.api.resources.IDeallocatableRegistry;
 
 public class DefaultDeallocatableRegistry implements IDeallocatableRegistry {
     private final List<IDeallocatable> deallocatables;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/FrameManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/FrameManager.java
index fd71d8b..8e9a159 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/FrameManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/FrameManager.java
@@ -13,14 +13,14 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.resources.memory;
+package org.apache.hyracks.control.nc.resources.memory;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.context.IHyracksFrameMgrContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.context.IHyracksFrameMgrContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FrameManager implements IHyracksFrameMgrContext {
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/MemoryManager.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/MemoryManager.java
index fde2660..f41fac3 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/MemoryManager.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/resources/memory/MemoryManager.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.resources.memory;
+package org.apache.hyracks.control.nc.resources.memory;
 
 import java.util.concurrent.atomic.AtomicLong;
 
-import edu.uci.ics.hyracks.api.resources.memory.IMemoryManager;
+import org.apache.hyracks.api.resources.memory.IMemoryManager;
 
 public class MemoryManager implements IMemoryManager {
     private final long maxMemory;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/runtime/RootHyracksContext.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/runtime/RootHyracksContext.java
index 889f329..2273726 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/runtime/RootHyracksContext.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/runtime/RootHyracksContext.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.runtime;
+package org.apache.hyracks.control.nc.runtime;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class RootHyracksContext implements IHyracksRootContext {
     private final NodeControllerService ncs;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/AbortTasksWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/AbortTasksWork.java
index 9d3ccbc..7608991 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/AbortTasksWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/AbortTasksWork.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.util.List;
 import java.util.Map;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.Joblet;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.Task;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.Joblet;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.Task;
 
 public class AbortTasksWork extends AbstractWork {
     private static final Logger LOGGER = Logger.getLogger(AbortTasksWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
index d08cd0a..c3fedc0 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.messages.IMessage;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.application.NCApplicationContext;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.messages.IMessage;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.application.NCApplicationContext;
 
 /**
  * @author rico
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/BuildJobProfilesWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/BuildJobProfilesWork.java
index a2fa5fe..f186d27 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/BuildJobProfilesWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/BuildJobProfilesWork.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobProfile;
-import edu.uci.ics.hyracks.control.common.job.profiling.om.JobletProfile;
-import edu.uci.ics.hyracks.control.common.work.FutureValue;
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
-import edu.uci.ics.hyracks.control.nc.Joblet;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.job.profiling.om.JobProfile;
+import org.apache.hyracks.control.common.job.profiling.om.JobletProfile;
+import org.apache.hyracks.control.common.work.FutureValue;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.nc.Joblet;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class BuildJobProfilesWork extends SynchronizableWork {
     private final NodeControllerService ncs;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/CleanupJobletWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/CleanupJobletWork.java
index 283662c..5b110ed 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/CleanupJobletWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/CleanupJobletWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,12 +20,12 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.api.partitions.IPartition;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.Joblet;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.api.partitions.IPartition;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.Joblet;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class CleanupJobletWork extends AbstractWork {
     private static final Logger LOGGER = Logger.getLogger(CleanupJobletWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/DeployBinaryWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/DeployBinaryWork.java
index e5f1bc1..ac99184 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/DeployBinaryWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/DeployBinaryWork.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.net.URL;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.common.base.IClusterController;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.common.base.IClusterController;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 /**
  * Deploy binary work that happens at each NC
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
index bef2781..114d9aa 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
-import edu.uci.ics.hyracks.control.common.job.profiling.om.TaskProfile;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.Task;
+import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.Task;
 
 public class NotifyTaskCompleteWork extends AbstractWork {
     private final NodeControllerService ncs;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
index 56379d2..094322d 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.Task;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.Task;
 
 public class NotifyTaskFailureWork extends AbstractWork {
     private final NodeControllerService ncs;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ReportPartitionAvailabilityWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ReportPartitionAvailabilityWork.java
index 206ff67..f454a44 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ReportPartitionAvailabilityWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ReportPartitionAvailabilityWork.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.comm.PartitionChannel;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.comm.channels.NetworkInputChannel;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.Joblet;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.comm.PartitionChannel;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.comm.channels.NetworkInputChannel;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.Joblet;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class ReportPartitionAvailabilityWork extends AbstractWork {
     private final NodeControllerService ncs;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ShutdownWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ShutdownWork.java
index 93efd79..dc65cbe 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ShutdownWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ShutdownWork.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.net.URL;
 import java.util.List;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.common.base.IClusterController;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.common.base.IClusterController;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class ShutdownWork extends AbstractWork {
 
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
index adea6bb..3a04c5f 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
@@ -24,43 +24,43 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.comm.PartitionChannel;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.ActivityClusterGraph;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
-import edu.uci.ics.hyracks.comm.channels.NetworkInputChannel;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.job.TaskAttemptDescriptor;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.Joblet;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.Task;
-import edu.uci.ics.hyracks.control.nc.application.NCApplicationContext;
-import edu.uci.ics.hyracks.control.nc.partitions.MaterializedPartitionWriter;
-import edu.uci.ics.hyracks.control.nc.partitions.MaterializingPipelinedPartition;
-import edu.uci.ics.hyracks.control.nc.partitions.PipelinedPartition;
-import edu.uci.ics.hyracks.control.nc.partitions.ReceiveSideMaterializingCollector;
-import edu.uci.ics.hyracks.control.nc.profiling.ProfilingPartitionWriterFactory;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.comm.PartitionChannel;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.connectors.IConnectorPolicy;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.ActivityClusterGraph;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.comm.channels.NetworkInputChannel;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.job.TaskAttemptDescriptor;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.Joblet;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.Task;
+import org.apache.hyracks.control.nc.application.NCApplicationContext;
+import org.apache.hyracks.control.nc.partitions.MaterializedPartitionWriter;
+import org.apache.hyracks.control.nc.partitions.MaterializingPipelinedPartition;
+import org.apache.hyracks.control.nc.partitions.PipelinedPartition;
+import org.apache.hyracks.control.nc.partitions.ReceiveSideMaterializingCollector;
+import org.apache.hyracks.control.nc.profiling.ProfilingPartitionWriterFactory;
 
 public class StartTasksWork extends AbstractWork {
     private static final Logger LOGGER = Logger.getLogger(StartTasksWork.class.getName());
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StateDumpWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StateDumpWork.java
index f41cbc8..8d796d5 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StateDumpWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StateDumpWork.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
 import java.io.ByteArrayOutputStream;
 
-import edu.uci.ics.hyracks.control.common.work.SynchronizableWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.common.work.SynchronizableWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class StateDumpWork extends SynchronizableWork {
     private final NodeControllerService ncs;
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/UnDeployBinaryWork.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/UnDeployBinaryWork.java
index 605d63f..d893046 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/UnDeployBinaryWork.java
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/UnDeployBinaryWork.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.control.nc.work;
+package org.apache.hyracks.control.nc.work;
 
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.control.common.base.IClusterController;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentStatus;
-import edu.uci.ics.hyracks.control.common.deployment.DeploymentUtils;
-import edu.uci.ics.hyracks.control.common.work.AbstractWork;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.control.common.base.IClusterController;
+import org.apache.hyracks.control.common.deployment.DeploymentStatus;
+import org.apache.hyracks.control.common.deployment.DeploymentUtils;
+import org.apache.hyracks.control.common.work.AbstractWork;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 /**
  * undeploy binaries regarding to a deployment id
diff --git a/hyracks/hyracks-control/pom.xml b/hyracks/hyracks-control/pom.xml
index 2d2dcd0..a80751f 100644
--- a/hyracks/hyracks-control/pom.xml
+++ b/hyracks/hyracks-control/pom.xml
@@ -19,7 +19,7 @@
   <name>hyracks-control</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-data/hyracks-data-std/pom.xml b/hyracks/hyracks-data/hyracks-data-std/pom.xml
index 50c4550..f3a2659 100644
--- a/hyracks/hyracks-data/hyracks-data-std/pom.xml
+++ b/hyracks/hyracks-data/hyracks-data-std/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-data-std</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-data</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -39,7 +39,7 @@
   </build>
   <dependencies>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-api</artifactId>
   	<version>0.2.16-SNAPSHOT</version>
   </dependency>
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHash.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHash.java
index 9763445..111d17c 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHash.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHash.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.accessors;
+package org.apache.hyracks.data.std.accessors;
 
 /**
  * An implementation of the Murmur3 hash family. The code is implemented based
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHashFunctionFamily.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHashFunctionFamily.java
index c1c72b5..03b6e60 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHashFunctionFamily.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/MurmurHash3BinaryHashFunctionFamily.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.accessors;
+package org.apache.hyracks.data.std.accessors;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
 
 /**
  * An implementation of the Murmur3 hash family. The code is implemented based
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryComparatorFactory.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryComparatorFactory.java
index 9773cfa..a9ba2a9 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryComparatorFactory.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryComparatorFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.accessors;
+package org.apache.hyracks.data.std.accessors;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public class PointableBinaryComparatorFactory implements IBinaryComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryHashFunctionFactory.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryHashFunctionFactory.java
index ff9567f..4d17031 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryHashFunctionFactory.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/PointableBinaryHashFunctionFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.accessors;
+package org.apache.hyracks.data.std.accessors;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public class PointableBinaryHashFunctionFactory implements IBinaryHashFunctionFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/UTF8StringBinaryHashFunctionFamily.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/UTF8StringBinaryHashFunctionFamily.java
index 23bba4c..024cabd 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/UTF8StringBinaryHashFunctionFamily.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/accessors/UTF8StringBinaryHashFunctionFamily.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.accessors;
+package org.apache.hyracks.data.std.accessors;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class UTF8StringBinaryHashFunctionFamily implements IBinaryHashFunctionFamily {
     public static final IBinaryHashFunctionFamily INSTANCE = new UTF8StringBinaryHashFunctionFamily();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/algorithms/BinarySearchAlgorithm.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/algorithms/BinarySearchAlgorithm.java
index 519a0cf..af289b5 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/algorithms/BinarySearchAlgorithm.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/algorithms/BinarySearchAlgorithm.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.algorithms;
+package org.apache.hyracks.data.std.algorithms;
 
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.collections.api.IValueReferenceVector;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.collections.api.IValueReferenceVector;
 
 /**
  * Performs Binary Search over a vector of value references.
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/AbstractPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/AbstractPointable.java
index 0e23f04..feea1c2 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/AbstractPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/AbstractPointable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public abstract class AbstractPointable implements IPointable {
     protected byte[] bytes;
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IComparable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IComparable.java
index a2ec323..62e0022 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IComparable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IComparable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public interface IComparable {
     public int compareTo(IPointable pointer);
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IDataOutputProvider.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IDataOutputProvider.java
index e1ddb77..c4c3869 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IDataOutputProvider.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IDataOutputProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 import java.io.DataOutput;
 
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IHashable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IHashable.java
index 296d5b4..d6c698d 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IHashable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IHashable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public interface IHashable {
     public int hash();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IMutableValueStorage.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IMutableValueStorage.java
index 31328c7..897f866 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IMutableValueStorage.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IMutableValueStorage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public interface IMutableValueStorage extends IValueReference, IDataOutputProvider {
     public void reset();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/INumeric.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/INumeric.java
index 52fd688..8289bde 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/INumeric.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/INumeric.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public interface INumeric {
     public byte byteValue();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointable.java
index 4aece67..5d474b3 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointable.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public interface IPointable extends IValueReference {
     public void set(byte[] bytes, int start, int length);
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointableFactory.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointableFactory.java
index 274e61a..d25c51f 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointableFactory.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IPointableFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 
 public interface IPointableFactory extends Serializable {
     public IPointable createPointable();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IValueReference.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IValueReference.java
index af8a7fc..9107a3d 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IValueReference.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/api/IValueReference.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.api;
+package org.apache.hyracks.data.std.api;
 
 public interface IValueReference {
     public byte[] getByteArray();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/collections/api/IValueReferenceVector.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/collections/api/IValueReferenceVector.java
index ee220bb..dd52090 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/collections/api/IValueReferenceVector.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/collections/api/IValueReferenceVector.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.collections.api;
+package org.apache.hyracks.data.std.collections.api;
 
 /**
  * Represents an immutable vector of ValueReferences. Users of this interface make the assumption
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BooleanPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BooleanPointable.java
index 49b1377..4c71349 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BooleanPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BooleanPointable.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class BooleanPointable extends AbstractPointable implements IHashable, IComparable {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ByteArrayPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ByteArrayPointable.java
index 099d0cc..f0f1d0d 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ByteArrayPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ByteArrayPointable.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.*;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.*;
 
 public class ByteArrayPointable extends AbstractPointable implements IHashable, IComparable {
 
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BytePointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BytePointable.java
index 0d1a45c..5291210 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BytePointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/BytePointable.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class BytePointable extends AbstractPointable implements IHashable, IComparable, INumeric {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/DoublePointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/DoublePointable.java
index 438defc..9c209ed 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/DoublePointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/DoublePointable.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class DoublePointable extends AbstractPointable implements IHashable, IComparable, INumeric {
     private final static double machineEpsilon;
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/FloatPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/FloatPointable.java
index 7edcb2e..b732bb7 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/FloatPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/FloatPointable.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class FloatPointable extends AbstractPointable implements IHashable, IComparable, INumeric {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/IntegerPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/IntegerPointable.java
index 469ae0c..cc41b06 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/IntegerPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/IntegerPointable.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class IntegerPointable extends AbstractPointable implements IHashable, IComparable, INumeric {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/LongPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/LongPointable.java
index 8137b7e..037dde7 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/LongPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/LongPointable.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class LongPointable extends AbstractPointable implements IHashable, IComparable, INumeric {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/RawUTF8StringPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/RawUTF8StringPointable.java
index 3ffaee4..31a1858 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/RawUTF8StringPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/RawUTF8StringPointable.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 /**
  * This class provides the raw bytes-based comparison and hash function for UTF8 strings.
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ShortPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ShortPointable.java
index 2537504..14b2584 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ShortPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/ShortPointable.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class ShortPointable extends AbstractPointable implements IHashable, IComparable, INumeric {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringPointable.java
index 38873b0..aec4450 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringPointable.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IComparable;
-import edu.uci.ics.hyracks.data.std.api.IHashable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IComparable;
+import org.apache.hyracks.data.std.api.IHashable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class UTF8StringPointable extends AbstractPointable implements IHashable, IComparable {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringWriter.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringWriter.java
index a35b475..3d6b388 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringWriter.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/UTF8StringWriter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
 import java.io.DataOutput;
 import java.io.IOException;
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/VoidPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/VoidPointable.java
index f720b65..6f0e4d8 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/VoidPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/primitive/VoidPointable.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.AbstractPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
 
 public final class VoidPointable extends AbstractPointable {
     public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ArrayBackedValueStorage.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ArrayBackedValueStorage.java
index a60b2e5..2b6b7ee 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ArrayBackedValueStorage.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ArrayBackedValueStorage.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.util;
+package org.apache.hyracks.data.std.util;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.api.IMutableValueStorage;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.api.IMutableValueStorage;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class ArrayBackedValueStorage implements IMutableValueStorage {
    
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ByteArrayAccessibleOutputStream.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ByteArrayAccessibleOutputStream.java
index f894e38..8ea40f7 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ByteArrayAccessibleOutputStream.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/ByteArrayAccessibleOutputStream.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.data.std.util;
+package org.apache.hyracks.data.std.util;
 
 import java.io.ByteArrayOutputStream;
 import java.util.Arrays;
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/GrowableArray.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/GrowableArray.java
index 5f36708..d1020b9 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/GrowableArray.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/org/apache/hyracks/data/std/util/GrowableArray.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.data.std.util;
+package org.apache.hyracks.data.std.util;
 
 import java.io.DataOutput;
 import java.io.DataOutputStream;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class GrowableArray implements IDataOutputProvider {
     private final ByteArrayAccessibleOutputStream baaos = new ByteArrayAccessibleOutputStream();
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/test/java/org/apache/hyracks/data/std/primitive/ByteArrayPointableTest.java b/hyracks/hyracks-data/hyracks-data-std/src/test/java/org/apache/hyracks/data/std/primitive/ByteArrayPointableTest.java
index cc0774f..6fd6688 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/test/java/org/apache/hyracks/data/std/primitive/ByteArrayPointableTest.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/test/java/org/apache/hyracks/data/std/primitive/ByteArrayPointableTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.data.std.primitive;
+package org.apache.hyracks.data.std.primitive;
 
 import org.junit.Test;
 
diff --git a/hyracks/hyracks-data/pom.xml b/hyracks/hyracks-data/pom.xml
index 0f4de36..5d6949e 100644
--- a/hyracks/hyracks-data/pom.xml
+++ b/hyracks/hyracks-data/pom.xml
@@ -19,7 +19,7 @@
   <name>hyracks-data</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-dataflow-common/pom.xml b/hyracks/hyracks-dataflow-common/pom.xml
index 3f2936d..77e109d 100644
--- a/hyracks/hyracks-dataflow-common/pom.xml
+++ b/hyracks/hyracks-dataflow-common/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-dataflow-common</artifactId>
   <name>hyracks-dataflow-common</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -47,19 +47,19 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
     </dependency>
    	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
         <scope>test</scope>
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/AbstractFrameAppender.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/AbstractFrameAppender.java
index 1f501aa..d75f126 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/AbstractFrameAppender.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/AbstractFrameAppender.java
@@ -13,17 +13,17 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 public class AbstractFrameAppender implements IFrameAppender {
     protected IFrame frame;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
index 53c5eb3..dd71dd1 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.api.IDataOutputProvider;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 /**
  * Array backed tuple builder.
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
index 502ed29..f05573d 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * An ArrayTupleReference provides access to a tuple that is not serialized into
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializer.java
index b1052e7..beb5dce 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.io.DataInputStream;
 import java.io.IOException;
@@ -20,10 +20,10 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class FrameDeserializer {
     private static final Logger LOGGER = Logger.getLogger(FrameDeserializer.class.getName());
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataReader.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataReader.java
index 2dcf84c..884ef1c 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataReader.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataReader.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataReader;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataReader;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FrameDeserializingDataReader implements IOpenableDataReader<Object[]> {
     private final IFrame frame;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataWriter.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataWriter.java
index 8855de5..f767f65 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataWriter.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameDeserializingDataWriter.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FrameDeserializingDataWriter implements IFrameWriter {
     private final IOpenableDataWriter<Object[]> writer;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldAppender.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldAppender.java
index 2db3e44..d7bcd22 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldAppender.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldAppender.java
@@ -13,15 +13,15 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameFieldAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameFieldAppender;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 public class FrameFixedFieldAppender extends AbstractFrameAppender implements IFrameFieldAppender {
     private final int fieldCount;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldTupleAppender.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldTupleAppender.java
index 2c1036f..87493f6 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldTupleAppender.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameFixedFieldTupleAppender.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameFieldAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameAppender;
+import org.apache.hyracks.api.comm.IFrameFieldAppender;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * This appender can appendTuple and appendField but at the expense of additional checks.
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameOutputStream.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameOutputStream.java
index 90f3d25..a1c34dd 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameOutputStream.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameOutputStream.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.util.ByteArrayAccessibleOutputStream;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.util.ByteArrayAccessibleOutputStream;
 
 public class FrameOutputStream extends ByteArrayAccessibleOutputStream {
     private static final Logger LOGGER = Logger.getLogger(FrameOutputStream.class.getName());
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAccessor.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAccessor.java
index 600e0b4..a657004 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAccessor.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAccessor.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.io.DataInputStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 /**
  * FrameTupleCursor is used to navigate over tuples in a Frame. A frame is
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppender.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppender.java
index 8a3c35d..f5dd0a3 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppender.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppender.java
@@ -12,16 +12,16 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 public class FrameTupleAppender extends AbstractFrameAppender implements IFrameTupleAppender {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderAccessor.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderAccessor.java
index b29c8d1..fb3127d 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderAccessor.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderAccessor.java
@@ -13,19 +13,19 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.io.DataInputStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 public class FrameTupleAppenderAccessor extends FrameTupleAppender implements IFrameTupleAccessor {
     private int tupleCountOffset;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderWrapper.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderWrapper.java
index b8e7450..09fcda0 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderWrapper.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTupleAppenderWrapper.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
 
 /**
  * This class wraps the calls of FrameTupleAppender and
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTuplePairComparator.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTuplePairComparator.java
index 15039ca..7f38cf2 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTuplePairComparator.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/FrameTuplePairComparator.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FrameTuplePairComparator {
     private final int[] keys0;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ResultFrameTupleAccessor.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ResultFrameTupleAccessor.java
index 0995564..d21614a 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ResultFrameTupleAccessor.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ResultFrameTupleAccessor.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.io.DataInputStream;
 
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class ResultFrameTupleAccessor extends FrameTupleAccessor {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/SerializingDataWriter.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/SerializingDataWriter.java
index 3feeb58..1e5ae27 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/SerializingDataWriter.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/SerializingDataWriter.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.io;
+package org.apache.hyracks.dataflow.common.comm.io;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
 
 public class SerializingDataWriter implements IOpenableDataWriter<Object[]> {
     private static final Logger LOGGER = Logger.getLogger(SerializingDataWriter.class.getName());
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/ByteBufferInputStream.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/ByteBufferInputStream.java
index eee4758..2e1702b 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/ByteBufferInputStream.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/ByteBufferInputStream.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.util;
+package org.apache.hyracks.dataflow.common.comm.util;
 
 import java.io.InputStream;
 import java.nio.ByteBuffer;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/FrameUtils.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/FrameUtils.java
index e2a9e5f..3c67b15 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/FrameUtils.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/util/FrameUtils.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.comm.util;
+package org.apache.hyracks.dataflow.common.comm.util;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameFieldAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameFieldAppender;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FrameUtils {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleFieldValueReference.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleFieldValueReference.java
index 077e358..172fe09 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleFieldValueReference.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleFieldValueReference.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.accessors;
+package org.apache.hyracks.dataflow.common.data.accessors;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.data.std.api.IValueReference;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.data.std.api.IValueReference;
 
 public class FrameTupleFieldValueReference implements IValueReference {
     private IFrameTupleAccessor fta;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleReference.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleReference.java
index fe05f5b..c5f8100 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleReference.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/FrameTupleReference.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.accessors;
+package org.apache.hyracks.dataflow.common.data.accessors;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
 
 public final class FrameTupleReference implements IFrameTupleReference {
     private IFrameTupleAccessor fta;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/IFrameTupleReference.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/IFrameTupleReference.java
index e3c3aa3..afa270b 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/IFrameTupleReference.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/IFrameTupleReference.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.accessors;
+package org.apache.hyracks.dataflow.common.data.accessors;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
 
 public interface IFrameTupleReference extends ITupleReference {
     public IFrameTupleAccessor getFrameTupleAccessor();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/ITupleReference.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/ITupleReference.java
index a6b2e34..f51a732 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/ITupleReference.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/accessors/ITupleReference.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.accessors;
+package org.apache.hyracks.dataflow.common.data.accessors;
 
 public interface ITupleReference {
     public int getFieldCount();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/BooleanSerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/BooleanSerializerDeserializer.java
index 65aaf5f..c3f2f77 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/BooleanSerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/BooleanSerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class BooleanSerializerDeserializer implements ISerializerDeserializer<Boolean> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializer.java
index 0f5cdf5..2304fca 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializer.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 
 import java.io.DataInput;
 import java.io.DataOutput;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/DoubleSerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/DoubleSerializerDeserializer.java
index 61d017f..ad160bb 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/DoubleSerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/DoubleSerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class DoubleSerializerDeserializer implements ISerializerDeserializer<Double> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/FloatSerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/FloatSerializerDeserializer.java
index 7a46438..a1a4901 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/FloatSerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/FloatSerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FloatSerializerDeserializer implements ISerializerDeserializer<Float> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntArraySerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntArraySerializerDeserializer.java
index 6a9275c..94607e6 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntArraySerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntArraySerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class IntArraySerializerDeserializer implements ISerializerDeserializer<int[]> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/Integer64SerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/Integer64SerializerDeserializer.java
index 80d490d..f25a448 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/Integer64SerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/Integer64SerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class Integer64SerializerDeserializer implements ISerializerDeserializer<Long> {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntegerSerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntegerSerializerDeserializer.java
index 8835ea5..baa281d 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntegerSerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/IntegerSerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class IntegerSerializerDeserializer implements ISerializerDeserializer<Integer> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ShortSerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ShortSerializerDeserializer.java
index 9aea804..7472def 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ShortSerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/ShortSerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class ShortSerializerDeserializer implements ISerializerDeserializer<Short> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/UTF8StringSerializerDeserializer.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/UTF8StringSerializerDeserializer.java
index 9c47976..2c942ed 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/UTF8StringSerializerDeserializer.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/marshalling/UTF8StringSerializerDeserializer.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class UTF8StringSerializerDeserializer implements ISerializerDeserializer<String> {
     public static final UTF8StringSerializerDeserializer INSTANCE = new UTF8StringSerializerDeserializer();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactory.java
index be37b21..28df994 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactory.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 
 public class ByteArrayNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
     public static ByteArrayNormalizedKeyComputerFactory INSTANCE = new ByteArrayNormalizedKeyComputerFactory();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java
index cf326ee..e6accf8 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class DoubleNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java
index f21b69f..2ccb18e 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class FloatNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java
index 1608327..c05eda5 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.Integer64SerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.Integer64SerializerDeserializer;
 
 public class Integer64NormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java
index 49a56ce..35e0510 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 public class IntegerNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/UTF8StringNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/UTF8StringNormalizedKeyComputerFactory.java
index 363bb6a..7e631ce 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/UTF8StringNormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/normalizers/UTF8StringNormalizedKeyComputerFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class UTF8StringNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactory.java
index edb4136..70cf8ad 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactory.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 
 import java.io.DataOutput;
 import java.io.IOException;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactory.java
index e8410ea..ff72031 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactory.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 
 import java.io.DataOutput;
 import java.io.IOException;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/DoubleParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/DoubleParserFactory.java
index 69cd933..4bd5a26 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/DoubleParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/DoubleParserFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class DoubleParserFactory implements IValueParserFactory {
     public static final IValueParserFactory INSTANCE = new DoubleParserFactory();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/FloatParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/FloatParserFactory.java
index a072ad0..e81f1cb 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/FloatParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/FloatParserFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FloatParserFactory implements IValueParserFactory {
     public static final IValueParserFactory INSTANCE = new FloatParserFactory();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParser.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParser.java
index f8d66b3..1fef724 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParser.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParser.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IValueParser {
     void parse(char[] buffer, int start, int length, DataOutput out) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParserFactory.java
index 9134828..4539637 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IValueParserFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IntegerParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IntegerParserFactory.java
index 28fe5e6..2cae160 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IntegerParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/IntegerParserFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class IntegerParserFactory implements IValueParserFactory {
     public static final IValueParserFactory INSTANCE = new IntegerParserFactory();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/LongParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/LongParserFactory.java
index e34ac68..e1068b6 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/LongParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/LongParserFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class LongParserFactory implements IValueParserFactory {
     public static final IValueParserFactory INSTANCE = new LongParserFactory();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/UTF8StringParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/UTF8StringParserFactory.java
index 2ab76ec..7b85563 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/UTF8StringParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/parsers/UTF8StringParserFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class UTF8StringParserFactory implements IValueParserFactory {
     public static final IValueParserFactory INSTANCE = new UTF8StringParserFactory();
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFactory.java
index ef010f9..6b423a6 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition;
+package org.apache.hyracks.dataflow.common.data.partition;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FieldHashPartitionComputerFactory implements ITuplePartitionComputerFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFamily.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFamily.java
index a224f56..e0d3edf 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFamily.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/FieldHashPartitionComputerFamily.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition;
+package org.apache.hyracks.dataflow.common.data.partition;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFamily;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFamily;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FieldHashPartitionComputerFamily implements ITuplePartitionComputerFamily {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RandomPartitionComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RandomPartitionComputerFactory.java
index 89b2b0b..c03d8c4 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RandomPartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RandomPartitionComputerFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition;
+package org.apache.hyracks.dataflow.common.data.partition;
 
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class RandomPartitionComputerFactory implements
 		ITuplePartitionComputerFactory {
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFactory.java
index 29592c4..24de439 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition;
+package org.apache.hyracks.dataflow.common.data.partition;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class RepartitionComputerFactory implements ITuplePartitionComputerFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFamily.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFamily.java
index 3ac7cd9..ecd88cf 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFamily.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/RepartitionComputerFamily.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition;
+package org.apache.hyracks.dataflow.common.data.partition;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFamily;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFamily;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class RepartitionComputerFamily implements ITuplePartitionComputerFamily {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/FieldRangePartitionComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/FieldRangePartitionComputerFactory.java
index 3022c51..b490a49 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/FieldRangePartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/FieldRangePartitionComputerFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition.range;
+package org.apache.hyracks.dataflow.common.data.partition.range;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class FieldRangePartitionComputerFactory implements ITuplePartitionComputerFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/IRangeMap.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/IRangeMap.java
index 1f347df..6483280 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/IRangeMap.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/IRangeMap.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition.range;
+package org.apache.hyracks.dataflow.common.data.partition.range;
 
-import edu.uci.ics.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointable;
 
 public interface IRangeMap {
     public IPointable getFieldSplit(int columnIndex, int splitIndex);
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/RangeMap.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/RangeMap.java
index b7d7cf7..721b5a9 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/RangeMap.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/partition/range/RangeMap.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.partition.range;
+package org.apache.hyracks.dataflow.common.data.partition.range;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.primitive.VoidPointable;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.primitive.VoidPointable;
 
 /**
  * The range map stores the field split values in an byte array.
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/util/StringUtils.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/util/StringUtils.java
index fc4e8f7..99493ee 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/util/StringUtils.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/data/util/StringUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.data.util;
+package org.apache.hyracks.dataflow.common.data.util;
 
 import java.io.DataOutput;
 import java.io.IOException;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileReader.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileReader.java
index be40d9f..8597adf 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileReader.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileReader.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.io;
+package org.apache.hyracks.dataflow.common.io;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
 
 public class RunFileReader implements IFrameReader {
     private final FileReference file;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java
index 6da35be..846e0ea 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/io/RunFileWriter.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.io;
+package org.apache.hyracks.dataflow.common.io;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
 
 public class RunFileWriter implements IFrameWriter {
     private final FileReference file;
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/IntSerDeUtils.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/IntSerDeUtils.java
index 4e2a985..33f8dbb 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/IntSerDeUtils.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/IntSerDeUtils.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.util;
+package org.apache.hyracks.dataflow.common.util;
 
 public class IntSerDeUtils {
 
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/ReflectionUtils.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/ReflectionUtils.java
index 8212a91..c8595cd 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/ReflectionUtils.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/ReflectionUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.common.util;
+package org.apache.hyracks.dataflow.common.util;
 
 public class ReflectionUtils {
     public static <T> T createInstance(Class<? extends T> klass) {
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/SerdeUtils.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/SerdeUtils.java
index be7db57..18dbaf5 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/SerdeUtils.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/SerdeUtils.java
@@ -13,27 +13,27 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.util;
+package org.apache.hyracks.dataflow.common.util;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.LongPointable;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.BooleanSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.Integer64SerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.BooleanPointable;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.LongPointable;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.BooleanSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.Integer64SerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
 
 @SuppressWarnings("rawtypes")
 public class SerdeUtils {
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/TupleUtils.java b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/TupleUtils.java
index 2c00f1f..8713cc4 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/TupleUtils.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/util/TupleUtils.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.util;
+package org.apache.hyracks.dataflow.common.util;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
 import java.io.DataInputStream;
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 
 @SuppressWarnings("rawtypes")
 public class TupleUtils {
diff --git a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/comm/io/largeobject/FrameFixedFieldTupleAppenderTest.java b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/comm/io/largeobject/FrameFixedFieldTupleAppenderTest.java
index ab9333c..102bafc 100644
--- a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/comm/io/largeobject/FrameFixedFieldTupleAppenderTest.java
+++ b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/comm/io/largeobject/FrameFixedFieldTupleAppenderTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.comm.io.largeobject;
+package org.apache.hyracks.dataflow.common.comm.io.largeobject;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -25,21 +25,21 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameFixedFieldAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameFixedFieldAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
 
 public class FrameFixedFieldTupleAppenderTest {
 
diff --git a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializerTest.java b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializerTest.java
index 2c33156..b79d5b9 100644
--- a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializerTest.java
+++ b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/marshalling/ByteArraySerializerDeserializerTest.java
@@ -13,9 +13,9 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.marshalling;
+package org.apache.hyracks.dataflow.common.data.marshalling;
 
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 import org.junit.Test;
 
 import java.io.ByteArrayInputStream;
diff --git a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactoryTest.java b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactoryTest.java
index e803db3..ba12bd2 100644
--- a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactoryTest.java
+++ b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/normalizers/ByteArrayNormalizedKeyComputerFactoryTest.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+package org.apache.hyracks.dataflow.common.data.normalizers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.ByteArraySerializerDeserializerTest;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.ByteArraySerializerDeserializerTest;
 import org.junit.Test;
 
 import java.util.Random;
diff --git a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactoryTest.java b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactoryTest.java
index 34de7fb..1a2b7bc 100644
--- a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactoryTest.java
+++ b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayBase64ParserFactoryTest.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 import junit.framework.TestCase;
 import org.junit.Test;
 
@@ -25,7 +25,7 @@
 import java.io.DataOutputStream;
 import java.util.Arrays;
 
-import static edu.uci.ics.hyracks.dataflow.common.data.parsers.ByteArrayHexParserFactoryTest.subArray;
+import static org.apache.hyracks.dataflow.common.data.parsers.ByteArrayHexParserFactoryTest.subArray;
 
 public class ByteArrayBase64ParserFactoryTest extends TestCase {
 
diff --git a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactoryTest.java b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactoryTest.java
index 7da2bdf..99700c9 100644
--- a/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactoryTest.java
+++ b/hyracks/hyracks-dataflow-common/src/test/java/org/apache/hyracks/dataflow/common/data/parsers/ByteArrayHexParserFactoryTest.java
@@ -13,9 +13,9 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.common.data.parsers;
+package org.apache.hyracks.dataflow.common.data.parsers;
 
-import edu.uci.ics.hyracks.data.std.primitive.ByteArrayPointable;
+import org.apache.hyracks.data.std.primitive.ByteArrayPointable;
 import org.junit.Test;
 
 import javax.xml.bind.DatatypeConverter;
diff --git a/hyracks/hyracks-dataflow-hadoop/pom.xml b/hyracks/hyracks-dataflow-hadoop/pom.xml
index 6e2b94f..efb74c5 100644
--- a/hyracks/hyracks-dataflow-hadoop/pom.xml
+++ b/hyracks/hyracks-dataflow-hadoop/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-dataflow-hadoop</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -48,21 +48,21 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<artifactId>hyracks-hdfs-2.x</artifactId>
 		<version>0.2.16-SNAPSHOT</version>
 		<type>jar</type>
@@ -81,7 +81,7 @@
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/AbstractHadoopOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/AbstractHadoopOperatorDescriptor.java
index 7a677665..155212f 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/AbstractHadoopOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/AbstractHadoopOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop;
+package org.apache.hyracks.dataflow.hadoop;
 
 import java.io.IOException;
 import java.util.Map;
@@ -25,12 +25,12 @@
 import org.apache.hadoop.mapred.Reporter;
 
 import edu.uci.ics.dcache.client.DCacheClient;
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
 
 public abstract class AbstractHadoopOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopMapperOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopMapperOperatorDescriptor.java
index 0d44b42..013d389 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopMapperOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopMapperOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop;
+package org.apache.hyracks.dataflow.hadoop;
 
 import java.io.IOException;
 
@@ -34,22 +34,22 @@
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.SerializingDataWriter;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.InputSplitsProxy;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.MRContextUtil;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.ContextFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.SerializingDataWriter;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
+import org.apache.hyracks.dataflow.hadoop.util.InputSplitsProxy;
+import org.apache.hyracks.dataflow.hadoop.util.MRContextUtil;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.hdfs.ContextFactory;
 
 public class HadoopMapperOperatorDescriptor<K1, V1, K2, V2> extends AbstractHadoopOperatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java
index 0c06769..b056b05 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java
@@ -26,7 +26,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop;
+package org.apache.hyracks.dataflow.hadoop;
 
 import java.io.IOException;
 import java.util.HashMap;
@@ -44,22 +44,22 @@
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.InputSplitsProxy;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.ContextFactory;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.dataflow.hadoop.util.InputSplitsProxy;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.hdfs.ContextFactory;
 
 public class HadoopReadOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReducerOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReducerOperatorDescriptor.java
index 9c75632..72d5857 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReducerOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopReducerOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop;
+package org.apache.hyracks.dataflow.hadoop;
 
 import java.io.IOException;
 import java.util.Iterator;
@@ -34,26 +34,26 @@
 import org.apache.hadoop.util.Progress;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IDataReader;
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.KeyComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.RawComparingComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.MRContextUtil;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.group.DeserializedPreclusteredGroupOperator;
-import edu.uci.ics.hyracks.dataflow.std.group.IGroupAggregator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.ContextFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IDataReader;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IComparator;
+import org.apache.hyracks.api.dataflow.value.IComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.hadoop.data.KeyComparatorFactory;
+import org.apache.hyracks.dataflow.hadoop.data.RawComparingComparatorFactory;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
+import org.apache.hyracks.dataflow.hadoop.util.MRContextUtil;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.group.DeserializedPreclusteredGroupOperator;
+import org.apache.hyracks.dataflow.std.group.IGroupAggregator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.hdfs.ContextFactory;
 
 public class HadoopReducerOperatorDescriptor<K2, V2, K3, V3> extends AbstractHadoopOperatorDescriptor {
     private class ReducerAggregator implements IGroupAggregator {
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopWriteOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopWriteOperatorDescriptor.java
index f1f06be..1db7068 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopWriteOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/HadoopWriteOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop;
+package org.apache.hyracks.dataflow.hadoop;
 
 import java.io.File;
 import java.io.IOException;
@@ -32,13 +32,13 @@
 import org.apache.hadoop.util.Progressable;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.dataflow.std.file.AbstractFileWriteOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IRecordWriter;
-import edu.uci.ics.hyracks.hdfs.ContextFactory;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.dataflow.std.file.AbstractFileWriteOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IRecordWriter;
+import org.apache.hyracks.hdfs.ContextFactory;
 
 public class HadoopWriteOperatorDescriptor extends AbstractFileWriteOperatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/AbstractClassBasedDelegate.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/AbstractClassBasedDelegate.java
index d892c1e..4f5a446 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/AbstractClassBasedDelegate.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/AbstractClassBasedDelegate.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import java.io.ObjectStreamException;
 import java.io.Serializable;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopHashTuplePartitionComputerFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopHashTuplePartitionComputerFactory.java
index a314b17..9dfdfa0 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopHashTuplePartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopHashTuplePartitionComputerFactory.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import java.io.DataInputStream;
 
 import org.apache.hadoop.io.Writable;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class HadoopHashTuplePartitionComputerFactory<K extends Writable> implements ITuplePartitionComputerFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopNewPartitionerTuplePartitionComputerFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopNewPartitionerTuplePartitionComputerFactory.java
index 62d65d5..555cf54 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopNewPartitionerTuplePartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopNewPartitionerTuplePartitionComputerFactory.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import java.io.DataInputStream;
 
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.mapreduce.Partitioner;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class HadoopNewPartitionerTuplePartitionComputerFactory<K extends Writable, V extends Writable> extends
         AbstractClassBasedDelegate<Partitioner<K, V>> implements ITuplePartitionComputerFactory {
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopPartitionerTuplePartitionComputerFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopPartitionerTuplePartitionComputerFactory.java
index 767efbf..32fcd18 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopPartitionerTuplePartitionComputerFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/HadoopPartitionerTuplePartitionComputerFactory.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import java.io.DataInputStream;
 
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.mapred.Partitioner;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class HadoopPartitionerTuplePartitionComputerFactory<K extends Writable, V extends Writable> extends
         AbstractClassBasedDelegate<Partitioner<K, V>> implements ITuplePartitionComputerFactory {
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyBinaryComparatorFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyBinaryComparatorFactory.java
index 61e2ba3..cac50f8 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyBinaryComparatorFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyBinaryComparatorFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import org.apache.hadoop.io.RawComparator;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.common.util.ReflectionUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.dataflow.common.util.ReflectionUtils;
 
 public class KeyBinaryComparatorFactory<T> implements IBinaryComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyComparatorFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyComparatorFactory.java
index 6d68f96..c474699 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyComparatorFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/KeyComparatorFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import org.apache.hadoop.io.RawComparator;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.common.util.ReflectionUtils;
+import org.apache.hyracks.api.dataflow.value.IComparator;
+import org.apache.hyracks.api.dataflow.value.IComparatorFactory;
+import org.apache.hyracks.dataflow.common.util.ReflectionUtils;
 
 public class KeyComparatorFactory<T> implements IComparatorFactory<T> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/RawComparingComparatorFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/RawComparingComparatorFactory.java
index c7110c9..ec51a63 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/RawComparingComparatorFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/RawComparingComparatorFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import org.apache.hadoop.io.RawComparator;
 import org.apache.hadoop.io.WritableComparable;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.common.util.ReflectionUtils;
+import org.apache.hyracks.api.dataflow.value.IComparator;
+import org.apache.hyracks.api.dataflow.value.IComparatorFactory;
+import org.apache.hyracks.dataflow.common.util.ReflectionUtils;
 
 public class RawComparingComparatorFactory<T> implements IComparatorFactory<WritableComparable<T>> {
     private Class<? extends RawComparator> klass;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/WritableComparingBinaryComparatorFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/WritableComparingBinaryComparatorFactory.java
index 81dd246..46c8683 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/WritableComparingBinaryComparatorFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/data/WritableComparingBinaryComparatorFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.data;
+package org.apache.hyracks.dataflow.hadoop.data;
 
 import org.apache.hadoop.io.RawComparator;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.common.util.ReflectionUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.dataflow.common.util.ReflectionUtils;
 
 public class WritableComparingBinaryComparatorFactory<T> implements IBinaryComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopHelper.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopHelper.java
index 95f53df..3c0c356 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopHelper.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopHelper.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.IOException;
 import java.util.List;
@@ -33,17 +33,17 @@
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.HadoopNewPartitionerTuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.WritableComparingBinaryComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.hdfs.ContextFactory;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.hadoop.data.HadoopNewPartitionerTuplePartitionComputerFactory;
+import org.apache.hyracks.dataflow.hadoop.data.WritableComparingBinaryComparatorFactory;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.hdfs.ContextFactory;
 
 public class HadoopHelper {
     public static final int KEY_FIELD_INDEX = 0;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopTools.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopTools.java
index 107b32c..0715b3c 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopTools.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HadoopTools.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 public class HadoopTools {
     public static Object newInstance(String className) throws ClassNotFoundException, InstantiationException,
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HashPartitioningShuffleConnectorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HashPartitioningShuffleConnectorDescriptor.java
index d5adfbb..cfa0de1 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HashPartitioningShuffleConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/HashPartitioningShuffleConnectorDescriptor.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.util.BitSet;
 
 import org.apache.hadoop.conf.Configuration;
 
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.PartitionCollector;
-import edu.uci.ics.hyracks.dataflow.std.connectors.PartitionDataWriter;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
+import org.apache.hyracks.dataflow.std.collectors.PartitionCollector;
+import org.apache.hyracks.dataflow.std.connectors.PartitionDataWriter;
 
 public class HashPartitioningShuffleConnectorDescriptor extends AbstractMToNConnectorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProvider.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProvider.java
index 6ba8ec5..1b26679 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProvider.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import org.apache.hadoop.mapreduce.InputSplit;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IInputSplitProvider {
     public InputSplit next() throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProviderFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProviderFactory.java
index 46595de..e30b6d0 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProviderFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/IInputSplitProviderFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IInputSplitProviderFactory extends Serializable {
     public IInputSplitProvider createInputSplitProvider(int id) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/InputFileSplit.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/InputFileSplit.java
index edf358f..70aa85d 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/InputFileSplit.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/InputFileSplit.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.DataInput;
 import java.io.DataOutput;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/KVIterator.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/KVIterator.java
index 070fc88..88d032d 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/KVIterator.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/KVIterator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.IOException;
 import java.util.List;
@@ -21,9 +21,9 @@
 import org.apache.hadoop.mapred.RawKeyValueIterator;
 import org.apache.hadoop.util.Progress;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 public class KVIterator implements RawKeyValueIterator {
     private final HadoopHelper helper;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MapperOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MapperOperatorDescriptor.java
index bf6e2cf..b35b7cb 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MapperOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MapperOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.DataOutput;
 import java.io.IOException;
@@ -29,25 +29,25 @@
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.MRContextUtil;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.sort.Algorithm;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunMerger;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.hadoop.util.MRContextUtil;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.sort.Algorithm;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger;
 
 public class MapperOperatorDescriptor<K1 extends Writable, V1 extends Writable, K2 extends Writable, V2 extends Writable>
         extends AbstractSingleActivityOperatorDescriptor {
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MarshalledWritable.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MarshalledWritable.java
index 4bb1c3d..1df3eb1 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MarshalledWritable.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/MarshalledWritable.java
@@ -26,7 +26,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReduceWriter.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReduceWriter.java
index ccf7276..9829176 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReduceWriter.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReduceWriter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -26,18 +26,18 @@
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 import org.apache.hadoop.mapreduce.counters.GenericCounter;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.MRContextUtil;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.hadoop.util.MRContextUtil;
 
 public class ReduceWriter<K2, V2, K3, V3> implements IFrameWriter {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReducerOperatorDescriptor.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReducerOperatorDescriptor.java
index ff02fd9..8452db5 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReducerOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ReducerOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.nio.ByteBuffer;
 
@@ -23,15 +23,15 @@
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 public class ReducerOperatorDescriptor<K2 extends Writable, V2 extends Writable, K3 extends Writable, V3 extends Writable>
         extends AbstractSingleActivityOperatorDescriptor {
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ShuffleFrameReader.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ShuffleFrameReader.java
index 6708e17..8db19c8 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ShuffleFrameReader.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/mapreduce/ShuffleFrameReader.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.mapreduce;
+package org.apache.hyracks.dataflow.hadoop.mapreduce;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -22,26 +22,26 @@
 
 import org.apache.hadoop.conf.Configuration;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.NoShrinkVSizeFrame;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunMerger;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.NoShrinkVSizeFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger;
+import org.apache.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
 
 public class ShuffleFrameReader implements IFrameReader {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/ClasspathBasedHadoopClassFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/ClasspathBasedHadoopClassFactory.java
index 00ddda7..f887d65 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/ClasspathBasedHadoopClassFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/ClasspathBasedHadoopClassFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.util.ReflectionUtils;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DatatypeHelper.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DatatypeHelper.java
index 899a84b..c4e695d 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DatatypeHelper.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DatatypeHelper.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -26,9 +26,9 @@
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.mapred.JobConf;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 @SuppressWarnings("deprecation")
 public class DatatypeHelper {
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DuplicateKeyMapper.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DuplicateKeyMapper.java
index 8ab8773..0a5f516 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DuplicateKeyMapper.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/DuplicateKeyMapper.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import java.util.Properties;
 
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.map.IDeserializedMapper;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.map.IDeserializedMapper;
 
 public class DuplicateKeyMapper implements IDeserializedMapper {
 
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/IHadoopClassFactory.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/IHadoopClassFactory.java
index 8ffc0f7..3373b50 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/IHadoopClassFactory.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/IHadoopClassFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/InputSplitsProxy.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/InputSplitsProxy.java
index 1991869..294cb07 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/InputSplitsProxy.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/InputSplitsProxy.java
@@ -26,7 +26,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
index 060f76f..a90d27f 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.RawComparator;
@@ -31,7 +31,7 @@
 import org.apache.hadoop.mapreduce.task.MapContextImpl;
 import org.apache.hadoop.mapreduce.task.ReduceContextImpl;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * The wrapper to generate TaskTattemptContext
diff --git a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/PreappendLongWritableMapper.java b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/PreappendLongWritableMapper.java
index ec7f939..4989e34 100644
--- a/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/PreappendLongWritableMapper.java
+++ b/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/PreappendLongWritableMapper.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.hadoop.util;
+package org.apache.hyracks.dataflow.hadoop.util;
 
 import java.util.Properties;
 
 import org.apache.hadoop.io.LongWritable;
 import org.apache.hadoop.io.Text;
 
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.map.IDeserializedMapper;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.map.IDeserializedMapper;
 
 public class PreappendLongWritableMapper implements IDeserializedMapper {
 
diff --git a/hyracks/hyracks-dataflow-std/pom.xml b/hyracks/hyracks-dataflow-std/pom.xml
index 5eadbca..27ae92c 100644
--- a/hyracks/hyracks-dataflow-std/pom.xml
+++ b/hyracks/hyracks-dataflow-std/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-dataflow-std</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,14 +49,14 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
@@ -67,7 +67,7 @@
   		<artifactId>commons-io</artifactId>
   	</dependency>
       <dependency>
-          <groupId>edu.uci.ics.hyracks</groupId>
+          <groupId>org.apache.hyracks</groupId>
           <artifactId>hyracks-control-nc</artifactId>
           <version>0.2.16-SNAPSHOT</version>
           <scope>test</scope>
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractActivityNode.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractActivityNode.java
index 6004953..1705b9a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractActivityNode.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractActivityNode.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivity;
 
 public abstract class AbstractActivityNode implements IActivity {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractConnectorDescriptor.java
index d018203..a524e7f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractConnectorDescriptor.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.constraints.IConstraintAcceptor;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
 
 public abstract class AbstractConnectorDescriptor implements IConnectorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractMToNConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractMToNConnectorDescriptor.java
index df4d296..9d5defd 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractMToNConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractMToNConnectorDescriptor.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
 import java.util.BitSet;
 
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
 
 public abstract class AbstractMToNConnectorDescriptor extends AbstractConnectorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorDescriptor.java
index 700dec8..32a952b 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorDescriptor.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.constraints.IConstraintAcceptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
 
 public abstract class AbstractOperatorDescriptor implements IOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorNodePushable.java
index f1b1fcc..1480a64 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractOperatorNodePushable.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
 
 public abstract class AbstractOperatorNodePushable implements IOperatorNodePushable {
     @Override
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractSingleActivityOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractSingleActivityOperatorDescriptor.java
index fb6b512..1a942bf 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractSingleActivityOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractSingleActivityOperatorDescriptor.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
 
 public abstract class AbstractSingleActivityOperatorDescriptor extends AbstractOperatorDescriptor implements IActivity {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractStateObject.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractStateObject.java
index 9fd4ec5..2057ac8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractStateObject.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractStateObject.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.dataflow.state.IStateObject;
+import org.apache.hyracks.api.job.JobId;
 
 public abstract class AbstractStateObject implements IStateObject {
     protected JobId jobId;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputOperatorNodePushable.java
index 869f497..5f1f9a9 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputOperatorNodePushable.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractUnaryInputOperatorNodePushable extends AbstractOperatorNodePushable implements
         IFrameWriter {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputSinkOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputSinkOperatorNodePushable.java
index 5fd0b21..4dea8fe 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputSinkOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputSinkOperatorNodePushable.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
 
 public abstract class AbstractUnaryInputSinkOperatorNodePushable extends AbstractUnaryInputOperatorNodePushable {
     @Override
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputUnaryOutputOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputUnaryOutputOperatorNodePushable.java
index 0c288f4..52d3231 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputUnaryOutputOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryInputUnaryOutputOperatorNodePushable.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IFrameWriter;
 
 public abstract class AbstractUnaryInputUnaryOutputOperatorNodePushable extends AbstractUnaryOutputOperatorNodePushable
         implements IFrameWriter {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputOperatorNodePushable.java
index 1d6c2df..a5d5f13 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputOperatorNodePushable.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractUnaryOutputOperatorNodePushable extends AbstractOperatorNodePushable {
     protected IFrameWriter writer;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputSourceOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputSourceOperatorNodePushable.java
index fb51234..3a8d5ff 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputSourceOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractUnaryOutputSourceOperatorNodePushable.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IFrameWriter;
 
 public abstract class AbstractUnaryOutputSourceOperatorNodePushable extends AbstractUnaryOutputOperatorNodePushable {
     @Override
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/IOpenableDataWriterOperator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/IOpenableDataWriterOperator.java
index 5213280..b971e4c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/IOpenableDataWriterOperator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/IOpenableDataWriterOperator.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.base;
+package org.apache.hyracks.dataflow.std.base;
 
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
 
 public interface IOpenableDataWriterOperator extends IOpenableDataWriter<Object[]> {
     public void setDataWriter(int index, IOpenableDataWriter<Object[]> writer);
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/AbstractPartitionCollector.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/AbstractPartitionCollector.java
index a79717e..3926374 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/AbstractPartitionCollector.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/AbstractPartitionCollector.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.job.JobId;
 
 public abstract class AbstractPartitionCollector implements IPartitionCollector {
     protected final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionAcceptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionAcceptor.java
index 4ae5a5a..c40da6c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionAcceptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionAcceptor.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public interface IPartitionAcceptor {
     public void addPartition(PartitionId pid, IInputChannel channel);
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionBatchManager.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionBatchManager.java
index a66f04a..f2ea287 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionBatchManager.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/IPartitionBatchManager.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IPartitionBatchManager extends IPartitionAcceptor {
     public void getNextBatch(List<IFrameReader> batch, int size) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
index 12ff8e8..19d7b38 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
 
 public class InputChannelFrameReader implements IFrameReader, IInputChannelMonitor {
     private final IInputChannel channel;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicChannelReader.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicChannelReader.java
index 0c25d54..419504d 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicChannelReader.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicChannelReader.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.nio.ByteBuffer;
 import java.util.BitSet;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.channels.IInputChannelMonitor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class NonDeterministicChannelReader implements IInputChannelMonitor, IPartitionAcceptor {
     private static final Logger LOGGER = Logger.getLogger(NonDeterministicChannelReader.class.getName());
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicFrameReader.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicFrameReader.java
index 6dd6972..c688f0a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicFrameReader.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicFrameReader.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
 
 public class NonDeterministicFrameReader implements IFrameReader {
     private final NonDeterministicChannelReader channelReader;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicPartitionBatchManager.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicPartitionBatchManager.java
index 6f56758..667c0c6 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicPartitionBatchManager.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/NonDeterministicPartitionBatchManager.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class NonDeterministicPartitionBatchManager implements IPartitionBatchManager {
     private final IInputChannel[] channels;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/PartitionCollector.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/PartitionCollector.java
index 16a1090..44d1d34 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/PartitionCollector.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/PartitionCollector.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.util.ArrayList;
 import java.util.BitSet;
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.channels.IInputChannel;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.PartitionChannel;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.partitions.PartitionId;
+import org.apache.hyracks.api.channels.IInputChannel;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.PartitionChannel;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ConnectorDescriptorId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.partitions.PartitionId;
 
 public class PartitionCollector extends AbstractPartitionCollector {
     private final BitSet expectedPartitions;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/SortMergeFrameReader.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/SortMergeFrameReader.java
index 125d07a..edf319d 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/SortMergeFrameReader.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/SortMergeFrameReader.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.collectors;
+package org.apache.hyracks.dataflow.std.collectors;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunMergingFrameReader;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.sort.RunMergingFrameReader;
 
 public class SortMergeFrameReader implements IFrameReader {
     private IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/GlobalHashingLocalityMap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/GlobalHashingLocalityMap.java
index 753c001..59a3518 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/GlobalHashingLocalityMap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/GlobalHashingLocalityMap.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 public class GlobalHashingLocalityMap implements ILocalityMap {
 
@@ -21,7 +21,7 @@
     private int[] consumers;
 
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.examples.text.client.aggregation.helpers.ILocalityMap#getConsumers(int)
+     * @see org.apache.hyracks.examples.text.client.aggregation.helpers.ILocalityMap#getConsumers(int)
      */
     @Override
     public int[] getConsumers(int senderID, int nConsumerPartitions) {
@@ -35,7 +35,7 @@
     }
 
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.examples.text.client.aggregation.helpers.ILocalityMap#getConsumerPartitionCount()
+     * @see org.apache.hyracks.examples.text.client.aggregation.helpers.ILocalityMap#getConsumerPartitionCount()
      */
     @Override
     public int getConsumerPartitionCount(int nConsumerPartitions) {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/HashtableLocalityMap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/HashtableLocalityMap.java
index 270054f..c4a5b4f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/HashtableLocalityMap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/HashtableLocalityMap.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.util.BitSet;
 
@@ -30,7 +30,7 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.examples.text.client.aggregation.helpers.ILocalityMap
+     * org.apache.hyracks.examples.text.client.aggregation.helpers.ILocalityMap
      * #getConsumers(int, int)
      */
     @Override
@@ -56,7 +56,7 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.examples.text.client.aggregation.helpers.ILocalityMap
+     * org.apache.hyracks.examples.text.client.aggregation.helpers.ILocalityMap
      * #getConsumerPartitionCount(int)
      */
     @Override
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/ILocalityMap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/ILocalityMap.java
index bb59e30..3e4c3d8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/ILocalityMap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/ILocalityMap.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwareMToNPartitioningConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwareMToNPartitioningConnectorDescriptor.java
index e5b1e34..c285d6a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwareMToNPartitioningConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwareMToNPartitioningConnectorDescriptor.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.util.BitSet;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.PartitionCollector;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
+import org.apache.hyracks.dataflow.std.collectors.PartitionCollector;
 
 public class LocalityAwareMToNPartitioningConnectorDescriptor extends AbstractMToNConnectorDescriptor {
 
@@ -48,10 +48,10 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor#createPartitioner
-     * (edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory, int, int, int)
+     * org.apache.hyracks.api.dataflow.IConnectorDescriptor#createPartitioner
+     * (org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.comm.IPartitionWriterFactory, int, int, int)
      */
     @Override
     public IFrameWriter createPartitioner(IHyracksTaskContext ctx, RecordDescriptor recordDesc,
@@ -64,10 +64,10 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor#
+     * @see org.apache.hyracks.api.dataflow.IConnectorDescriptor#
      * createPartitionCollector
-     * (edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, int, int, int)
+     * (org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor, int, int, int)
      */
     @Override
     public IPartitionCollector createPartitionCollector(IHyracksTaskContext ctx, RecordDescriptor recordDesc,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
index edf4cc9..2d38c94 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
 
 public class LocalityAwarePartitionDataWriter implements IFrameWriter {
 
@@ -58,7 +58,7 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.api.comm.IFrameWriter#open()
+     * @see org.apache.hyracks.api.comm.IFrameWriter#open()
      */
     @Override
     public void open() throws HyracksDataException {
@@ -71,7 +71,7 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.api.comm.IFrameWriter#nextFrame(java.nio.ByteBuffer)
+     * org.apache.hyracks.api.comm.IFrameWriter#nextFrame(java.nio.ByteBuffer)
      */
     @Override
     public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
@@ -86,7 +86,7 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.api.comm.IFrameWriter#fail()
+     * @see org.apache.hyracks.api.comm.IFrameWriter#fail()
      */
     @Override
     public void fail() throws HyracksDataException {
@@ -98,7 +98,7 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.api.comm.IFrameWriter#close()
+     * @see org.apache.hyracks.api.comm.IFrameWriter#close()
      */
     @Override
     public void close() throws HyracksDataException {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningConnectorDescriptor.java
index ab8d45d..ef15e7e 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningConnectorDescriptor.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.util.BitSet;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.PartitionCollector;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
+import org.apache.hyracks.dataflow.std.collectors.PartitionCollector;
 
 public class MToNPartitioningConnectorDescriptor extends AbstractMToNConnectorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningMergingConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningMergingConnectorDescriptor.java
index 1cf402b..ab96c9c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningMergingConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNPartitioningMergingConnectorDescriptor.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.util.BitSet;
 
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.collectors.IPartitionBatchManager;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicPartitionBatchManager;
-import edu.uci.ics.hyracks.dataflow.std.collectors.PartitionCollector;
-import edu.uci.ics.hyracks.dataflow.std.collectors.SortMergeFrameReader;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.collectors.IPartitionBatchManager;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicPartitionBatchManager;
+import org.apache.hyracks.dataflow.std.collectors.PartitionCollector;
+import org.apache.hyracks.dataflow.std.collectors.SortMergeFrameReader;
 
 public class MToNPartitioningMergingConnectorDescriptor extends AbstractMToNConnectorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNReplicatingConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNReplicatingConnectorDescriptor.java
index 20be66b..ddb8ab5 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNReplicatingConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNReplicatingConnectorDescriptor.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.nio.ByteBuffer;
 import java.util.BitSet;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.PartitionCollector;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
+import org.apache.hyracks.dataflow.std.collectors.PartitionCollector;
 
 public class MToNReplicatingConnectorDescriptor extends AbstractMToNConnectorDescriptor {
     public MToNReplicatingConnectorDescriptor(IConnectorDescriptorRegistry spec) {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/OneToOneConnectorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/OneToOneConnectorDescriptor.java
index 20a0ed1..598d995 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/OneToOneConnectorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/OneToOneConnectorDescriptor.java
@@ -12,27 +12,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.util.BitSet;
 
-import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionCollector;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.constraints.Constraint;
-import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor;
-import edu.uci.ics.hyracks.api.constraints.expressions.PartitionCountExpression;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.ActivityCluster;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
-import edu.uci.ics.hyracks.dataflow.std.collectors.PartitionCollector;
+import org.apache.hyracks.api.application.ICCApplicationContext;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionCollector;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.constraints.Constraint;
+import org.apache.hyracks.api.constraints.IConstraintAcceptor;
+import org.apache.hyracks.api.constraints.expressions.PartitionCountExpression;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.ActivityCluster;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicChannelReader;
+import org.apache.hyracks.dataflow.std.collectors.NonDeterministicFrameReader;
+import org.apache.hyracks.dataflow.std.collectors.PartitionCollector;
 
 public class OneToOneConnectorDescriptor extends AbstractConnectorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/PartitionDataWriter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/PartitionDataWriter.java
index 74f16d1..6eca543 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/PartitionDataWriter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/PartitionDataWriter.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.connectors;
+package org.apache.hyracks.dataflow.std.connectors;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.IPartitionWriterFactory;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IPartitionWriterFactory;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
 
 public class PartitionDataWriter implements IFrameWriter {
     private final int consumerPartitionCount;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractDeserializedFileScanOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractDeserializedFileScanOperatorDescriptor.java
index ca536fe..17f70b3 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractDeserializedFileScanOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractDeserializedFileScanOperatorDescriptor.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
 
 public abstract class AbstractDeserializedFileScanOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractFileWriteOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractFileWriteOperatorDescriptor.java
index 36e0f3b..98eb03f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractFileWriteOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/AbstractFileWriteOperatorDescriptor.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
 
 public abstract class AbstractFileWriteOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     protected class FileWriteOperator implements IOpenableDataWriterOperator {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ConstantFileSplitProvider.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ConstantFileSplitProvider.java
index 18575dd..53c7194 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ConstantFileSplitProvider.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ConstantFileSplitProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 public class ConstantFileSplitProvider implements IFileSplitProvider {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/DelimitedDataTupleParserFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/DelimitedDataTupleParserFactory.java
index 765e223..b3349b0 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/DelimitedDataTupleParserFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/DelimitedDataTupleParserFactory.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParser;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParser;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
 
 public class DelimitedDataTupleParserFactory implements ITupleParserFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FieldCursorForDelimitedDataParser.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FieldCursorForDelimitedDataParser.java
index 780574c..978398b 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FieldCursorForDelimitedDataParser.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FieldCursorForDelimitedDataParser.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.IOException;
 import java.io.Reader;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileRemoveOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileRemoveOperatorDescriptor.java
index bf7ff33..2f46d63 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileRemoveOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileRemoveOperatorDescriptor.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.File;
 import java.io.IOException;
 
 import org.apache.commons.io.FileUtils;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
 
 public class FileRemoveOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileScanOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileScanOperatorDescriptor.java
index d36b29e..e4bb3e7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileScanOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileScanOperatorDescriptor.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.InputStream;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public class FileScanOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileSplit.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileSplit.java
index 8d1e370..42b5633 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileSplit.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FileSplit.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.File;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.FileReference;
 
 public class FileSplit implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
index ed90c2e..4602dbb 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
@@ -20,13 +20,13 @@
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 public class FrameFileWriterOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IFileSplitProvider.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IFileSplitProvider.java
index 085a745..1745196 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IFileSplitProvider.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IFileSplitProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordReader.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordReader.java
index 2e81057..a9810e8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordReader.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordReader.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 public interface IRecordReader {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordWriter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordWriter.java
index ed5e3c4..5c63710 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordWriter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/IRecordWriter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.File;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParser.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParser.java
index 9625ca6..9795e6f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParser.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParser.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.InputStream;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ITupleParser {
     public void parse(InputStream in, IFrameWriter writer) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParserFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParserFactory.java
index e2518ee..97e53d7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParserFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/ITupleParserFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ITupleParserFactory extends Serializable {
     public ITupleParser createTupleParser(IHyracksTaskContext ctx) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/LineFileWriteOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/LineFileWriteOperatorDescriptor.java
index 5ad214b..d6516dd 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/LineFileWriteOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/LineFileWriteOperatorDescriptor.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.OutputStream;
 
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
 
 public class LineFileWriteOperatorDescriptor extends AbstractFileWriteOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
index 7b2e8a0..510def9 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.BufferedWriter;
 import java.io.DataInputStream;
@@ -20,16 +20,16 @@
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 /**
  * File writer to output plain text.
@@ -56,10 +56,10 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.api.dataflow.IActivityNode#createPushRuntime(edu.
+     * org.apache.hyracks.api.dataflow.IActivityNode#createPushRuntime(edu.
      * uci.ics.hyracks.api.context.IHyracksContext,
-     * edu.uci.ics.hyracks.api.job.IOperatorEnvironment,
-     * edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider, int,
+     * org.apache.hyracks.api.job.IOperatorEnvironment,
+     * org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider, int,
      * int)
      */
     @Override
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordFileScanOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordFileScanOperatorDescriptor.java
index cac2503..3612351 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordFileScanOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordFileScanOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.BufferedInputStream;
 import java.io.DataInputStream;
@@ -20,8 +20,8 @@
 import java.io.FileInputStream;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
 
 public class RecordFileScanOperatorDescriptor extends AbstractDeserializedFileScanOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordWriter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordWriter.java
index 8763a69..99eef00 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordWriter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/RecordWriter.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.file;
+package org.apache.hyracks.dataflow.std.file;
 
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 
-import edu.uci.ics.hyracks.dataflow.std.util.StringSerializationUtils;
+import org.apache.hyracks.dataflow.std.util.StringSerializationUtils;
 
 public abstract class RecordWriter implements IRecordWriter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractAccumulatingAggregatorDescriptorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractAccumulatingAggregatorDescriptorFactory.java
index 48ee410..e6bb883 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractAccumulatingAggregatorDescriptorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractAccumulatingAggregatorDescriptorFactory.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractAccumulatingAggregatorDescriptorFactory implements IAggregatorDescriptorFactory {
 
     private static final long serialVersionUID = 1L;
 
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory#createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext, edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, int[], int[], edu.uci.ics.hyracks.api.comm.IFrameWriter)
+     * @see org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory#createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext, org.apache.hyracks.api.dataflow.value.RecordDescriptor, org.apache.hyracks.api.dataflow.value.RecordDescriptor, int[], int[], org.apache.hyracks.api.comm.IFrameWriter)
      */
     @Override
     public IAggregatorDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractRunningAggregatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractRunningAggregatorDescriptor.java
index 3dcd4c3..de709b7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractRunningAggregatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AbstractRunningAggregatorDescriptor.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 
 public abstract class AbstractRunningAggregatorDescriptor implements IAggregatorDescriptor {
 
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor#outputPartialResult(edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder, edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor, int, edu.uci.ics.hyracks.dataflow.std.group.AggregateState)
+     * @see org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor#outputPartialResult(org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder, org.apache.hyracks.api.comm.IFrameTupleAccessor, int, org.apache.hyracks.dataflow.std.group.AggregateState)
      */
     @Override
     public boolean outputPartialResult(ArrayTupleBuilder tupleBuilder, IFrameTupleAccessor accessor, int tIndex,
@@ -30,7 +30,7 @@
     }
 
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor#outputFinalResult(edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder, edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor, int, edu.uci.ics.hyracks.dataflow.std.group.AggregateState)
+     * @see org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor#outputFinalResult(org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder, org.apache.hyracks.api.comm.IFrameTupleAccessor, int, org.apache.hyracks.dataflow.std.group.AggregateState)
      */
     @Override
     public boolean outputFinalResult(ArrayTupleBuilder tupleBuilder, IFrameTupleAccessor accessor, int tIndex,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AggregateState.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AggregateState.java
index a5feadf..089055b 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AggregateState.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/AggregateState.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/DeserializedPreclusteredGroupOperator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/DeserializedPreclusteredGroupOperator.java
index 2088652..705d5ce 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/DeserializedPreclusteredGroupOperator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/DeserializedPreclusteredGroupOperator.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataReader;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.IComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.api.dataflow.IOpenableDataReader;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.value.IComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
 
 public class DeserializedPreclusteredGroupOperator implements IOpenableDataWriterOperator {
     private final int[] groupFields;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/FrameToolsForGroupers.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/FrameToolsForGroupers.java
index 5bef89d..3ae0431 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/FrameToolsForGroupers.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/FrameToolsForGroupers.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 
 /**
  *
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/HashSpillableTableFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/HashSpillableTableFactory.java
index 4d62fa0..12fe688 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/HashSpillableTableFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/HashSpillableTableFactory.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.SerializableHashTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.SerializableHashTable;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public class HashSpillableTableFactory implements ISpillableTableFactory {
 
@@ -53,14 +53,14 @@
      * (non-Javadoc)
      *
      * @see
-     * edu.uci.ics.hyracks.dataflow.std.aggregations.ISpillableTableFactory#
-     * buildSpillableTable(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * int[], edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory[],
-     * edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory,
+     * org.apache.hyracks.dataflow.std.aggregations.ISpillableTableFactory#
+     * buildSpillableTable(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * int[], org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory[],
+     * org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory,
      * edu.
      * uci.ics.hyracks.dataflow.std.aggregations.IFieldAggregateDescriptorFactory
-     * [], edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, int)
+     * [], org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor, int)
      */
     @Override
     public ISpillableTable buildSpillableTable(final IHyracksTaskContext ctx, final int[] keyFields,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptor.java
index f9d4cd3..f470f18 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptor.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 
 public interface IAggregatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptorFactory.java
index 241956b..070c9d0 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IAggregatorDescriptorFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IAggregatorDescriptorFactory extends Serializable {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptor.java
index 8520f02..fceb5a3 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptor.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  *
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptorFactory.java
index fc9891f..9ef2f7f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IFieldAggregateDescriptorFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  *
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IGroupAggregator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IGroupAggregator.java
index a5d254e..2a406d7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IGroupAggregator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/IGroupAggregator.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.dataflow.IDataReader;
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.IDataReader;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IGroupAggregator extends Serializable {
     public void aggregate(IDataReader<Object[]> reader, IDataWriter<Object[]> writer) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTable.java
index b0c7e4d..d8fd5e2 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTable.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 public interface ISpillableTable {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTableFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTableFactory.java
index 8cfbce6..6e7f78f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTableFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/ISpillableTableFactory.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group;
+package org.apache.hyracks.dataflow.std.group;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ISpillableTableFactory extends Serializable {
     ISpillableTable buildSpillableTable(IHyracksTaskContext ctx, int[] keyFields,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldGroupAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldGroupAggregatorFactory.java
index 502beba..ea10e6a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldGroupAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldGroupAggregatorFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 /**
  *
@@ -47,11 +47,11 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.dataflow.std.aggregations.
+     * @see org.apache.hyracks.dataflow.std.aggregations.
      * IFieldAggregateDescriptorFactory
-     * #createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor)
+     * #createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor)
      */
     @Override
     public IFieldAggregateDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldMergeAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldMergeAggregatorFactory.java
index b8986bf..8727b83 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldMergeAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/AvgFieldMergeAggregatorFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 /**
  *
@@ -47,11 +47,11 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.dataflow.std.aggregations.
+     * @see org.apache.hyracks.dataflow.std.aggregations.
      * IFieldAggregateDescriptorFactory
-     * #createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor)
+     * #createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor)
      */
     @Override
     public IFieldAggregateDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/CountFieldAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/CountFieldAggregatorFactory.java
index 92f10c9..cd9690c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/CountFieldAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/CountFieldAggregatorFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 /**
  *
@@ -44,11 +44,11 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.dataflow.std.aggregations.
+     * @see org.apache.hyracks.dataflow.std.aggregations.
      * IFieldAggregateDescriptorFactory
-     * #createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor)
+     * #createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor)
      */
     @Override
     public IFieldAggregateDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/FloatSumFieldAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/FloatSumFieldAggregatorFactory.java
index 67b0129..ac518e5 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/FloatSumFieldAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/FloatSumFieldAggregatorFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 /**
  *
@@ -46,7 +46,7 @@
     }
     
     /* (non-Javadoc)
-     * @see edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory#createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext, edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor)
+     * @see org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory#createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext, org.apache.hyracks.api.dataflow.value.RecordDescriptor, org.apache.hyracks.api.dataflow.value.RecordDescriptor)
      */
     @Override
     public IFieldAggregateDescriptor createAggregator(IHyracksTaskContext ctx,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/IntSumFieldAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/IntSumFieldAggregatorFactory.java
index d9806e9..0cba4a9 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/IntSumFieldAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/IntSumFieldAggregatorFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 /**
  *
@@ -47,11 +47,11 @@
     /*
      * (non-Javadoc)
      * 
-     * @see edu.uci.ics.hyracks.dataflow.std.aggregations.
+     * @see org.apache.hyracks.dataflow.std.aggregations.
      * IFieldAggregateDescriptorFactory
-     * #createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor)
+     * #createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor)
      */
     @Override
     public IFieldAggregateDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MinMaxStringFieldAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MinMaxStringFieldAggregatorFactory.java
index 402fb43..e5f7e70 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MinMaxStringFieldAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MinMaxStringFieldAggregatorFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
@@ -20,16 +20,16 @@
 import java.io.IOException;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 /**
  *
@@ -54,10 +54,10 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.dataflow.std.aggregators.IAggregatorDescriptorFactory
-     * #createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor, int[])
+     * org.apache.hyracks.dataflow.std.aggregators.IAggregatorDescriptorFactory
+     * #createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor, int[])
      */
     @Override
     public IFieldAggregateDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MultiFieldsAggregatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MultiFieldsAggregatorFactory.java
index 08b2218..72f3420 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MultiFieldsAggregatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/aggregators/MultiFieldsAggregatorFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.aggregators;
+package org.apache.hyracks.dataflow.std.group.aggregators;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.std.group.AbstractAccumulatingAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
 
 public class MultiFieldsAggregatorFactory extends AbstractAccumulatingAggregatorDescriptorFactory {
 
@@ -47,10 +47,10 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.dataflow.std.aggregations.IAggregatorDescriptorFactory
-     * #createAggregator(edu.uci.ics.hyracks.api.context.IHyracksTaskContext,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor,
-     * edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor)
+     * org.apache.hyracks.dataflow.std.aggregations.IAggregatorDescriptorFactory
+     * #createAggregator(org.apache.hyracks.api.context.IHyracksTaskContext,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor,
+     * org.apache.hyracks.api.dataflow.value.RecordDescriptor)
      */
     @Override
     public IAggregatorDescriptor createAggregator(IHyracksTaskContext ctx, RecordDescriptor inRecordDescriptor,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupBuildOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupBuildOperatorNodePushable.java
index e683e47..17a0ec3 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupBuildOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupBuildOperatorNodePushable.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.external;
+package org.apache.hyracks.dataflow.std.group.external;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.LinkedList;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.ISpillableTable;
-import edu.uci.ics.hyracks.dataflow.std.group.ISpillableTableFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.ISpillableTable;
+import org.apache.hyracks.dataflow.std.group.ISpillableTableFactory;
 
 class ExternalGroupBuildOperatorNodePushable extends AbstractUnaryInputSinkOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupMergeOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupMergeOperatorNodePushable.java
index 9e3d4fc..d72aa10 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupMergeOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupMergeOperatorNodePushable.java
@@ -12,38 +12,38 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.external;
+package org.apache.hyracks.dataflow.std.group.external;
 
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppenderAccessor;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.ISpillableTable;
-import edu.uci.ics.hyracks.dataflow.std.util.ReferenceEntry;
-import edu.uci.ics.hyracks.dataflow.std.util.ReferencedPriorityQueue;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppenderAccessor;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.ISpillableTable;
+import org.apache.hyracks.dataflow.std.util.ReferenceEntry;
+import org.apache.hyracks.dataflow.std.util.ReferencedPriorityQueue;
 
 class ExternalGroupMergeOperatorNodePushable extends AbstractUnaryOutputSourceOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupOperatorDescriptor.java
index 9296ffa..16366c8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupOperatorDescriptor.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.external;
+package org.apache.hyracks.dataflow.std.group.external;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.ISpillableTableFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.ISpillableTableFactory;
 
 /**
  *
@@ -83,8 +83,8 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor#contributeActivities
-     * (edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder)
+     * org.apache.hyracks.api.dataflow.IOperatorDescriptor#contributeActivities
+     * (org.apache.hyracks.api.dataflow.IActivityGraphBuilder)
      */
     @Override
     public void contributeActivities(IActivityGraphBuilder builder) {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupState.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupState.java
index 5e5d62a..e3ddf07 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupState.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/external/ExternalGroupState.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.external;
+package org.apache.hyracks.dataflow.std.group.external;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.util.LinkedList;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.group.ISpillableTable;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.group.ISpillableTable;
 
 public class ExternalGroupState extends AbstractStateObject {
     private LinkedList<RunFileReader> runs;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/GroupingHashTable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/GroupingHashTable.java
index 0102e65..cee8291 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/GroupingHashTable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/GroupingHashTable.java
@@ -12,32 +12,32 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.hash;
+package org.apache.hyracks.dataflow.std.group.hash;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 class GroupingHashTable {
     /**
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupBuildOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupBuildOperatorNodePushable.java
index 998d882..b23ce93 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupBuildOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupBuildOperatorNodePushable.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.hash;
+package org.apache.hyracks.dataflow.std.group.hash;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 class HashGroupBuildOperatorNodePushable extends AbstractUnaryInputSinkOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOperatorDescriptor.java
index edd7ca8..d8a13f0 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOperatorDescriptor.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.hash;
+package org.apache.hyracks.dataflow.std.group.hash;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 /**
  *
@@ -63,8 +63,8 @@
      * (non-Javadoc)
      * 
      * @see
-     * edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor#contributeActivities
-     * (edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder)
+     * org.apache.hyracks.api.dataflow.IOperatorDescriptor#contributeActivities
+     * (org.apache.hyracks.api.dataflow.IActivityGraphBuilder)
      */
     @Override
     public void contributeActivities(IActivityGraphBuilder builder) {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOutputOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOutputOperatorNodePushable.java
index f6b7664..c7123a1 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOutputOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupOutputOperatorNodePushable.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.hash;
+package org.apache.hyracks.dataflow.std.group.hash;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 class HashGroupOutputOperatorNodePushable extends AbstractUnaryOutputSourceOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupState.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupState.java
index f53d22c..bf569f5 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupState.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/hash/HashGroupState.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.hash;
+package org.apache.hyracks.dataflow.std.group.hash;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
 
 public class HashGroupState extends AbstractStateObject {
     private GroupingHashTable table;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorDescriptor.java
index 763531d..49fd105 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorDescriptor.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.preclustered;
+package org.apache.hyracks.dataflow.std.group.preclustered;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 public class PreclusteredGroupOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private final int[] groupFields;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorNodePushable.java
index 4dbf03b..171a878 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupOperatorNodePushable.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.preclustered;
+package org.apache.hyracks.dataflow.std.group.preclustered;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 class PreclusteredGroupOperatorNodePushable extends AbstractUnaryInputUnaryOutputOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupWriter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupWriter.java
index 559dec4..3ca476d 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupWriter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/preclustered/PreclusteredGroupWriter.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.preclustered;
+package org.apache.hyracks.dataflow.std.group.preclustered;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppenderWrapper;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.group.AggregateState;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppenderWrapper;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.group.AggregateState;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
 
 public class PreclusteredGroupWriter implements IFrameWriter {
     private final int[] groupFields;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunGenerator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunGenerator.java
index d0a1146..fc1406a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunGenerator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunGenerator.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.sort;
+package org.apache.hyracks.dataflow.std.group.sort;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter;
-import edu.uci.ics.hyracks.dataflow.std.sort.Algorithm;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter;
+import org.apache.hyracks.dataflow.std.sort.Algorithm;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
 
 /**
  * Group-by aggregation is pushed before run file generation.
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunMerger.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunMerger.java
index 7de400d..5549a67 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunMerger.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/ExternalSortGroupByRunMerger.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.sort;
+package org.apache.hyracks.dataflow.std.group.sort;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunMerger;
-import edu.uci.ics.hyracks.dataflow.std.sort.ISorter;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger;
+import org.apache.hyracks.dataflow.std.sort.ISorter;
+import org.apache.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
 
 /**
  * Group-by aggregation is pushed into multi-pass merge of external sort.
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/SortGroupByOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/SortGroupByOperatorDescriptor.java
index 95cfb09..aecdbfd 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/SortGroupByOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/group/sort/SortGroupByOperatorDescriptor.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.group.sort;
+package org.apache.hyracks.dataflow.std.group.sort;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.Algorithm;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunMerger;
-import edu.uci.ics.hyracks.dataflow.std.sort.ISorter;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.group.IAggregatorDescriptorFactory;
+import org.apache.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.Algorithm;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger;
+import org.apache.hyracks.dataflow.std.sort.ISorter;
+import org.apache.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
 
 /**
  * This Operator pushes group-by aggregation into the external sort.
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorDescriptor.java
index af4aad2..eada723 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorDescriptor.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
 
 public class GraceHashJoinOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final int RPARTITION_ACTIVITY_ID = 0;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorNodePushable.java
index 9c7fcf4..1d20917 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinOperatorNodePushable.java
@@ -12,32 +12,32 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.RepartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.SerializableHashTable;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.data.partition.RepartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.SerializableHashTable;
 
 class GraceHashJoinOperatorNodePushable extends AbstractUnaryOutputSourceOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionBuildOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionBuildOperatorNodePushable.java
index 70f28da..8d849ea 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionBuildOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionBuildOperatorNodePushable.java
@@ -12,25 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 class GraceHashJoinPartitionBuildOperatorNodePushable extends
         AbstractUnaryInputSinkOperatorNodePushable {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionState.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionState.java
index 1334259..8dbc7e7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionState.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/GraceHashJoinPartitionState.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
 
 public class GraceHashJoinPartitionState extends AbstractStateObject {
     private RunFileWriter[] fWriters;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/HybridHashJoinOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/HybridHashJoinOperatorDescriptor.java
index 0915ff9..a498b01 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/HybridHashJoinOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/HybridHashJoinOperatorDescriptor.java
@@ -12,50 +12,50 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.RepartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.SerializableHashTable;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.data.partition.RepartitionComputerFactory;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.SerializableHashTable;
 
 public class HybridHashJoinOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final int BUILD_AND_PARTITION_ACTIVITY_ID = 0;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoin.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoin.java
index d6a83d2..e5e6c8f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoin.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoin.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataOutput;
 import java.nio.ByteBuffer;
@@ -20,20 +20,20 @@
 import java.util.List;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public class InMemoryHashJoin {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoinOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoinOperatorDescriptor.java
index 35e22ad..a332f48 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoinOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/InMemoryHashJoinOperatorDescriptor.java
@@ -12,42 +12,42 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.SerializableHashTable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.SerializableHashTable;
 
 public class InMemoryHashJoinOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparator.java
index e393d49..05d7b7d 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparator.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 class JoinComparator implements ITuplePairComparator {
     private final IBinaryComparator bComparator;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparatorFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparatorFactory.java
index a44cc03..2d6eef1 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparatorFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/JoinComparatorFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
 
 public class JoinComparatorFactory implements ITuplePairComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoin.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoin.java
index 3bd0540..93d36da 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoin.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoin.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataOutput;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
 
 public class NestedLoopJoin {
     private final FrameTupleAccessor accessorInner;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoinOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoinOperatorDescriptor.java
index 3e06bf3..001a833 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoinOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/NestedLoopJoinOperatorDescriptor.java
@@ -13,36 +13,36 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
 
 public class NestedLoopJoinOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final int JOIN_CACHE_ACTIVITY_ID = 0;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java
index ed25b4f..593dc05 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.BitSet;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.SerializableHashTable;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.SerializableHashTable;
 
 /**
  * @author pouria
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java
index 840eb75..f872305 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.join;
+package org.apache.hyracks.dataflow.std.join;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -21,42 +21,42 @@
 import java.util.BitSet;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluator;
-import edu.uci.ics.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFamily;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFamily;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.RepartitionComputerFamily;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.structures.ISerializableTable;
-import edu.uci.ics.hyracks.dataflow.std.structures.SerializableHashTable;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluator;
+import org.apache.hyracks.api.dataflow.value.IPredicateEvaluatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFamily;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTuplePairComparator;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFamily;
+import org.apache.hyracks.dataflow.common.data.partition.RepartitionComputerFamily;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.structures.ISerializableTable;
+import org.apache.hyracks.dataflow.std.structures.SerializableHashTable;
 
 /**
  * @author pouria
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/DeserializedMapperOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/DeserializedMapperOperatorDescriptor.java
index 050d5c5..feb7113 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/DeserializedMapperOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/DeserializedMapperOperatorDescriptor.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.map;
+package org.apache.hyracks.dataflow.std.map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
 
 public class DeserializedMapperOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private class MapperOperator implements IOpenableDataWriterOperator {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapper.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapper.java
index 2da1370..ef8194a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapper.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapper.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.map;
+package org.apache.hyracks.dataflow.std.map;
 
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IDeserializedMapper {
     public void map(Object[] data, IDataWriter<Object[]> writer) throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapperFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapperFactory.java
index 13aa2c3..25fdbd8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapperFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/IDeserializedMapperFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.map;
+package org.apache.hyracks.dataflow.std.map;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IDeserializedMapperFactory extends Serializable {
     public IDeserializedMapper createMapper() throws HyracksDataException;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
index 25ae619..fce1059 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.map;
+package org.apache.hyracks.dataflow.std.map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class ReflectionBasedDeserializedMapperFactory implements IDeserializedMapperFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/SamplerDeserializedMapperFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/SamplerDeserializedMapperFactory.java
index b5690ef..356b0a7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/SamplerDeserializedMapperFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/SamplerDeserializedMapperFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.map;
+package org.apache.hyracks.dataflow.std.map;
 
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class SamplerDeserializedMapperFactory implements IDeserializedMapperFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorDescriptor.java
index 6353cab..4e4e2a1 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorDescriptor.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
 
 public class ConstantTupleSourceOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorNodePushable.java
index ffe3abd..9908505 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/ConstantTupleSourceOperatorNodePushable.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public class ConstantTupleSourceOperatorNodePushable extends AbstractUnaryOutputSourceOperatorNodePushable {
     private IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/IdentityOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/IdentityOperatorDescriptor.java
index da9c4b8..fa3e681 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/IdentityOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/IdentityOperatorDescriptor.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
 
 public class IdentityOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/LimitOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/LimitOperatorDescriptor.java
index 4356181..453ce36 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/LimitOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/LimitOperatorDescriptor.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
 
 public class LimitOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializerTaskState.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializerTaskState.java
index 9339b34..c18bd1c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializerTaskState.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializerTaskState.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileReader;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.common.io.RunFileReader;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
 
 public class MaterializerTaskState extends AbstractStateObject {
     private RunFileWriter out;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializingOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializingOperatorDescriptor.java
index 36fdd50..e83b8d4 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializingOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/MaterializingOperatorDescriptor.java
@@ -12,27 +12,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public class MaterializingOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/NullSinkOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/NullSinkOperatorDescriptor.java
index 4f8bf18..1e2c174 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/NullSinkOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/NullSinkOperatorDescriptor.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 public class NullSinkOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/PrinterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/PrinterOperatorDescriptor.java
index 9569a7b..d1d48ea 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/PrinterOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/PrinterOperatorDescriptor.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.util.StringSerializationUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.util.StringSerializationUtils;
 
 public class PrinterOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SinkOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SinkOperatorDescriptor.java
index 21f81c6..85d75a7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SinkOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SinkOperatorDescriptor.java
@@ -12,17 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 public class SinkOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
@@ -52,4 +53,4 @@
             }
         };
     }
-}
\ No newline at end of file
+}
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitOperatorDescriptor.java
index 1f6d965..4c3dd4c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitOperatorDescriptor.java
@@ -12,26 +12,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public class SplitOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitVectorOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitVectorOperatorDescriptor.java
index 89a8aaa..9764602 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitVectorOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/misc/SplitVectorOperatorDescriptor.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.misc;
+package org.apache.hyracks.dataflow.std.misc;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
-import edu.uci.ics.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.dataflow.std.util.DeserializedOperatorNodePushable;
 
 public class SplitVectorOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final int COLLECT_ACTIVITY_ID = 0;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java
index 3a6b5d2..5c154d2 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java
@@ -12,30 +12,30 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.result;
+package org.apache.hyracks.dataflow.std.result;
 
 import java.io.IOException;
 import java.io.PrintStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializer;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameOutputStream;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.IResultSerializer;
+import org.apache.hyracks.api.dataflow.value.IResultSerializerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.FrameOutputStream;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
 
 public class ResultWriterOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractFrameSorter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractFrameSorter.java
index 2a1a403..7f176f5 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractFrameSorter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractFrameSorter.java
@@ -13,27 +13,27 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
 
 public abstract class AbstractFrameSorter implements IFrameSorter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSortRunGenerator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSortRunGenerator.java
index 1dd35a8..6fe35cc 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSortRunGenerator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSortRunGenerator.java
@@ -13,14 +13,14 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
 
 public abstract class AbstractSortRunGenerator implements IRunGenerator {
     protected final List<RunAndMaxFrameSizePair> runAndMaxSizes;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSorterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSorterOperatorDescriptor.java
index 0c1c622..b47f387 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSorterOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/AbstractSorterOperatorDescriptor.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -23,26 +23,26 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public abstract class AbstractSorterOperatorDescriptor extends AbstractOperatorDescriptor {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/Algorithm.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/Algorithm.java
index 5c96bd0..48798b3 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/Algorithm.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/Algorithm.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 public enum Algorithm {
     QUICK_SORT,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortOperatorDescriptor.java
index 3dc8b41..2d56ae7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortOperatorDescriptor.java
@@ -12,15 +12,15 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.value.*;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.value.*;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
 
 import java.util.List;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunGenerator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunGenerator.java
index 4048726..49999a4 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunGenerator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunGenerator.java
@@ -12,26 +12,26 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotSmallestFit;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotBiggestFirst;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotLastFit;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameFreeSlotPolicy;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotSmallestFit;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotBiggestFirst;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotLastFit;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameFreeSlotPolicy;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
 
 public class ExternalSortRunGenerator extends AbstractSortRunGenerator {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunMerger.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunMerger.java
index 6b36480..03dfe68 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunMerger.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ExternalSortRunMerger.java
@@ -12,7 +12,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.util.ArrayList;
 import java.util.BitSet;
@@ -21,19 +21,19 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.FrameConstants;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.GroupVSizeFrame;
+import org.apache.hyracks.api.comm.FrameConstants;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.sort.util.GroupVSizeFrame;
 
 public class ExternalSortRunMerger {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterMergeSort.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterMergeSort.java
index 82a8453..541b1cb 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterMergeSort.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterMergeSort.java
@@ -12,18 +12,18 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
 
 public class FrameSorterMergeSort extends AbstractFrameSorter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterQuickSort.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterQuickSort.java
index 328bb5e..a748741 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterQuickSort.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/FrameSorterQuickSort.java
@@ -12,17 +12,17 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
 
 public class FrameSorterQuickSort extends AbstractFrameSorter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HeapSortRunGenerator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HeapSortRunGenerator.java
index 564a462..f9bf3b4 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HeapSortRunGenerator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HeapSortRunGenerator.java
@@ -13,24 +13,24 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFramePool;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.ITupleBufferManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableTupleMemoryManager;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFramePool;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.ITupleBufferManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableTupleMemoryManager;
 
 public class HeapSortRunGenerator extends AbstractSortRunGenerator {
     protected final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HybridTopKSortRunGenerator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HybridTopKSortRunGenerator.java
index 9976aad..d38c974 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HybridTopKSortRunGenerator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/HybridTopKSortRunGenerator.java
@@ -13,22 +13,22 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.io.RunFileWriter;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotBiggestFirst;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.io.RunFileWriter;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotBiggestFirst;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
 
 public class HybridTopKSortRunGenerator extends HeapSortRunGenerator {
     private static final Logger LOG = Logger.getLogger(HybridTopKSortRunGenerator.class.getName());
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IFrameSorter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IFrameSorter.java
index 6d0b100..34389fa 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IFrameSorter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IFrameSorter.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFrameSorter extends ISorter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IRunGenerator.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IRunGenerator.java
index d21255e..16720c8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IRunGenerator.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/IRunGenerator.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.IFrameWriter;
 
 /**
  * @author pouria
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ISorter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ISorter.java
index 09a8169..8dce3ed 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ISorter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ISorter.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ISorter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ITupleSorter.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ITupleSorter.java
index bea8b35..1cfea68 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ITupleSorter.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/ITupleSorter.java
@@ -13,10 +13,10 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ITupleSorter extends ISorter {
     int getTupleCount();
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/InMemorySortOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/InMemorySortOperatorDescriptor.java
index 379a783..0a8ea90 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/InMemorySortOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/InMemorySortOperatorDescriptor.java
@@ -12,34 +12,34 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractStateObject;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotLastFit;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractStateObject;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.FrameFreeSlotLastFit;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.IFrameBufferManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFrameMemoryManager;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.VariableFramePool;
 
 public class InMemorySortOperatorDescriptor extends AbstractOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunAndMaxFrameSizePair.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunAndMaxFrameSizePair.java
index c68f1e7..55f249f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunAndMaxFrameSizePair.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunAndMaxFrameSizePair.java
@@ -13,9 +13,9 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameReader;
 
 public class RunAndMaxFrameSizePair {
     public IFrameReader run;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunMergingFrameReader.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunMergingFrameReader.java
index f013594..8c8b5bc 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunMergingFrameReader.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/RunMergingFrameReader.java
@@ -12,23 +12,23 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.util.Comparator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.GroupFrameAccessor;
-import edu.uci.ics.hyracks.dataflow.std.util.ReferenceEntry;
-import edu.uci.ics.hyracks.dataflow.std.util.ReferencedPriorityQueue;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.std.sort.util.GroupFrameAccessor;
+import org.apache.hyracks.dataflow.std.util.ReferenceEntry;
+import org.apache.hyracks.dataflow.std.util.ReferencedPriorityQueue;
 
 public class RunMergingFrameReader implements IFrameReader {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TopKSorterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TopKSorterOperatorDescriptor.java
index ee43993..f562fe1 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TopKSorterOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TopKSorterOperatorDescriptor.java
@@ -13,13 +13,13 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.value.*;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.value.*;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
 
 import java.util.List;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TupleSorterHeapSort.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TupleSorterHeapSort.java
index 8f8518c..2ae5e74 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TupleSorterHeapSort.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/TupleSorterHeapSort.java
@@ -13,31 +13,31 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.ITupleBufferAccessor;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.ITupleBufferManager;
-import edu.uci.ics.hyracks.dataflow.std.structures.IResetableComparable;
-import edu.uci.ics.hyracks.dataflow.std.structures.IResetableComparableFactory;
-import edu.uci.ics.hyracks.dataflow.std.structures.MaxHeap;
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.ITupleBufferAccessor;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.ITupleBufferManager;
+import org.apache.hyracks.dataflow.std.structures.IResetableComparable;
+import org.apache.hyracks.dataflow.std.structures.IResetableComparableFactory;
+import org.apache.hyracks.dataflow.std.structures.MaxHeap;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public class TupleSorterHeapSort implements ITupleSorter {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/EnumFreeSlotPolicy.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/EnumFreeSlotPolicy.java
index 26da494..c3a9712 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/EnumFreeSlotPolicy.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/EnumFreeSlotPolicy.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 public enum EnumFreeSlotPolicy {
     SMALLEST_FIT,
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirst.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirst.java
index 085a1e8..c9a8705 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirst.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirst.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
-import edu.uci.ics.hyracks.dataflow.std.structures.IResetableComparable;
-import edu.uci.ics.hyracks.dataflow.std.structures.IResetableComparableFactory;
-import edu.uci.ics.hyracks.dataflow.std.structures.MaxHeap;
+import org.apache.hyracks.dataflow.std.structures.IResetableComparable;
+import org.apache.hyracks.dataflow.std.structures.IResetableComparableFactory;
+import org.apache.hyracks.dataflow.std.structures.MaxHeap;
 
 public class FrameFreeSlotBiggestFirst implements IFrameFreeSlotPolicy {
     private static final int INVALID = -1;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFit.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFit.java
index 0bfcf38..46e030f 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFit.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFit.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.util.Arrays;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotSmallestFit.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotSmallestFit.java
index 69e1911..a018c27 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotSmallestFit.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotSmallestFit.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.util.LinkedList;
 import java.util.Map;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameBufferManager.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameBufferManager.java
index 9a52efa..87dbdb2 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameBufferManager.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameBufferManager.java
@@ -12,18 +12,18 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFrameBufferManager {
 
     /**
      * Reset the counters and flags to initial status. This method should not release the pre-allocated resources
      *
-     * @throws edu.uci.ics.hyracks.api.exceptions.HyracksDataException
+     * @throws org.apache.hyracks.api.exceptions.HyracksDataException
      */
     void reset() throws HyracksDataException;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameFreeSlotPolicy.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameFreeSlotPolicy.java
index 57a8094..e66453a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameFreeSlotPolicy.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFrameFreeSlotPolicy.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 public interface IFrameFreeSlotPolicy {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFramePool.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFramePool.java
index 1e5be25..f9c8db6 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFramePool.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/IFramePool.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFramePool {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferAccessor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferAccessor.java
index 49a664c..40cb548 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferAccessor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferAccessor.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public interface ITupleBufferAccessor {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferManager.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferManager.java
index 6f94563..4a94bd5 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferManager.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/ITupleBufferManager.java
@@ -13,17 +13,17 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public interface ITupleBufferManager {
     /**
      * Reset the counters and flags to initial status. This method should not release the pre-allocated resources
      *
-     * @throws edu.uci.ics.hyracks.api.exceptions.HyracksDataException
+     * @throws org.apache.hyracks.api.exceptions.HyracksDataException
      */
     void reset() throws HyracksDataException;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFrameMemoryManager.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFrameMemoryManager.java
index 834ba2a..0586176 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFrameMemoryManager.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFrameMemoryManager.java
@@ -13,17 +13,17 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.FixedSizeFrame;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FixedSizeFrame;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 public class VariableFrameMemoryManager implements IFrameBufferManager {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePool.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePool.java
index 0d936b4..4766253 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePool.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePool.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -22,8 +22,8 @@
 import java.util.Comparator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksFrameMgrContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksFrameMgrContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class VariableFramePool implements IFramePool {
     public static final int UNLIMITED_MEMORY = -1;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManager.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManager.java
index 0b077c2..2782cc5 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManager.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManager.java
@@ -13,19 +13,19 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.DeletableFrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.IAppendDeletableFrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.sort.util.DeletableFrameTupleAppender;
+import org.apache.hyracks.dataflow.std.sort.util.IAppendDeletableFrameTupleAccessor;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public class VariableTupleMemoryManager implements ITupleBufferManager {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppender.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppender.java
index 9b03a77..390bd9d 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppender.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppender.java
@@ -13,15 +13,15 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.util;
+package org.apache.hyracks.dataflow.std.sort.util;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
 
 /**
  * This is a special frame which is used in TupleMemoryBuffer.
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupFrameAccessor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupFrameAccessor.java
index 12ba72f..2abf3fe 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupFrameAccessor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupFrameAccessor.java
@@ -13,17 +13,17 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.util;
+package org.apache.hyracks.dataflow.std.sort.util;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 /**
  * This {@code GroupFrameAccessor} access a group of logical frames which are stored in one physical
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupVSizeFrame.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupVSizeFrame.java
index b273f5b..54e81d3 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupVSizeFrame.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/GroupVSizeFrame.java
@@ -13,12 +13,12 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.util;
+package org.apache.hyracks.dataflow.std.sort.util;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class GroupVSizeFrame extends VSizeFrame {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/IAppendDeletableFrameTupleAccessor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/IAppendDeletableFrameTupleAccessor.java
index 01744f9..51e83a4 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/IAppendDeletableFrameTupleAccessor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/sort/util/IAppendDeletableFrameTupleAccessor.java
@@ -13,13 +13,13 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.util;
+package org.apache.hyracks.dataflow.std.sort.util;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Basically it a union of the {@link IFrameTupleAccessor} and {@link IFrameTupleAppender}.
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/AbstractHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/AbstractHeap.java
index 5d8b252..717fb7c 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/AbstractHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/AbstractHeap.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.dataflow.std.util.MathUtil;
+import org.apache.hyracks.dataflow.std.util.MathUtil;
 
 public abstract class AbstractHeap implements IHeap<IResetableComparable> {
     protected static final int NOT_EXIST = -1;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IHeap.java
index f650f12..5629c4e 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IHeap.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IHeap<T> {
     /**
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMaxHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMaxHeap.java
index d932a0e..7963b09 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMaxHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMaxHeap.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IMaxHeap<T> extends IHeap<T> {
     /**
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinHeap.java
index 784c492..2a065b4 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinHeap.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IMinHeap<T> extends IHeap<T> {
     /**
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinMaxHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinMaxHeap.java
index 8225d88..fb7066a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinMaxHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IMinMaxHeap.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IMinMaxHeap<T> extends IMinHeap<T>, IMaxHeap<T> {
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetable.java
index 7608128..7fff21a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetable.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IResetable<T> {
     void reset(T other);
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparable.java
index 88e2e64..86beab3 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparable.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IResetableComparable<T> extends IResetable<T>, Comparable<T>{
 }
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparableFactory.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparableFactory.java
index a5a635e..6740900 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparableFactory.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/IResetableComparableFactory.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public interface IResetableComparableFactory<T> {
     IResetableComparable<T> createResetableComparable();
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/ISerializableTable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/ISerializableTable.java
index ce6c00c..b7b1a52 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/ISerializableTable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/ISerializableTable.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ISerializableTable {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MaxHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MaxHeap.java
index 1cfb4e0..0925de8 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MaxHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MaxHeap.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public class MaxHeap extends AbstractHeap implements IMaxHeap<IResetableComparable> {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinHeap.java
index bfeda33..10dfcd6 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinHeap.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public class MinHeap extends AbstractHeap implements IMinHeap<IResetableComparable> {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeap.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeap.java
index e9782e2..8a21d91 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeap.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeap.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public class MinMaxHeap extends AbstractHeap implements IMinMaxHeap<IResetableComparable> {
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/SerializableHashTable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/SerializableHashTable.java
index 3837004..9c70701 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/SerializableHashTable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/SerializableHashTable.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * An entry in the table is: #elements, #no-empty elements; fIndex, tIndex;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/TuplePointer.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/TuplePointer.java
index a42e06d..2908e8d 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/TuplePointer.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/structures/TuplePointer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 public class TuplePointer implements IResetable<TuplePointer> {
     public static final int INVALID_ID = -1;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/union/UnionAllOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/union/UnionAllOperatorDescriptor.java
index 2bbc924..9bc2112 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/union/UnionAllOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/union/UnionAllOperatorDescriptor.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.union;
+package org.apache.hyracks.dataflow.std.union;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.IActivityGraphBuilder;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractActivityNode;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.IActivityGraphBuilder;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractActivityNode;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputOperatorNodePushable;
 
 public class UnionAllOperatorDescriptor extends AbstractOperatorDescriptor {
     public UnionAllOperatorDescriptor(IOperatorDescriptorRegistry spec, int nInputs, RecordDescriptor recordDescriptor) {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/DeserializedOperatorNodePushable.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/DeserializedOperatorNodePushable.java
index 09aacd6..1e0c840 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/DeserializedOperatorNodePushable.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/DeserializedOperatorNodePushable.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.SerializingDataWriter;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputOperatorNodePushable;
-import edu.uci.ics.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameDeserializer;
+import org.apache.hyracks.dataflow.common.comm.io.SerializingDataWriter;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputOperatorNodePushable;
+import org.apache.hyracks.dataflow.std.base.IOpenableDataWriterOperator;
 
 public final class DeserializedOperatorNodePushable extends AbstractUnaryInputOperatorNodePushable {
     private final IHyracksTaskContext ctx;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/MathUtil.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/MathUtil.java
index c89ee25..584478e 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/MathUtil.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/MathUtil.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
 public class MathUtil {
     /**
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferenceEntry.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferenceEntry.java
index d6adcf4..bdd8018 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferenceEntry.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferenceEntry.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
 
 public class ReferenceEntry {
     private final int runid;
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferencedPriorityQueue.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferencedPriorityQueue.java
index e994f04..b717960 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferencedPriorityQueue.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/ReferencedPriorityQueue.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
 import java.io.IOException;
 import java.util.BitSet;
 import java.util.Comparator;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer;
 
 public class ReferencedPriorityQueue {
     private final ReferenceEntry entries[];
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/SelectionTree.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/SelectionTree.java
index 7aed9e1..d933ec2 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/SelectionTree.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/SelectionTree.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
 import java.util.BitSet;
 
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/StringSerializationUtils.java b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/StringSerializationUtils.java
index 231cee5..8ffb5f2 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/StringSerializationUtils.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/util/StringSerializationUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
 import java.util.Arrays;
 
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/Utility.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/Utility.java
index ee2b008..a0af42a 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/Utility.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/Utility.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort;
+package org.apache.hyracks.dataflow.std.sort;
 
 public class Utility {
 
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/Common.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/Common.java
index 5a59ab6..be0f5c4 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/Common.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/Common.java
@@ -13,9 +13,9 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
 
 public class Common {
     static int MIN_FRAME_SIZE = 256;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBestFitUsingTreeMapTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBestFitUsingTreeMapTest.java
index a2d0f1e..85e1642 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBestFitUsingTreeMapTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBestFitUsingTreeMapTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import static org.junit.Assert.assertEquals;
 
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirstTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirstTest.java
index f3b923e..73ea965 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirstTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotBiggestFirstTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import static junit.framework.Assert.assertEquals;
 
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFitTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFitTest.java
index 94a8493..39ed243 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFitTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/FrameFreeSlotLastFitTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePoolTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePoolTest.java
index e9ac2ec..19459f4 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePoolTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramePoolTest.java
@@ -13,12 +13,12 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.BUDGET;
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.MIN_FRAME_SIZE;
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.NUM_MIN_FRAME;
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.commonFrameManager;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.BUDGET;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.MIN_FRAME_SIZE;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.NUM_MIN_FRAME;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.commonFrameManager;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -35,7 +35,7 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class VariableFramePoolTest {
 
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramesMemoryManagerTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramesMemoryManagerTest.java
index f56a62d..b9e0b44 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramesMemoryManagerTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableFramesMemoryManagerTest.java
@@ -13,11 +13,11 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.BUDGET;
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.MIN_FRAME_SIZE;
-import static edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.Common.NUM_MIN_FRAME;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.BUDGET;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.MIN_FRAME_SIZE;
+import static org.apache.hyracks.dataflow.std.sort.buffermanager.Common.NUM_MIN_FRAME;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -31,15 +31,15 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.FixedSizeFrame;
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAppender;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.api.comm.FixedSizeFrame;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAppender;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
 
 public class VariableFramesMemoryManagerTest {
     VariableFrameMemoryManager framesMemoryManager;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManagerTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManagerTest.java
index 0c54607..2ea4dcb 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManagerTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/buffermanager/VariableTupleMemoryManagerTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.buffermanager;
+package org.apache.hyracks.dataflow.std.sort.buffermanager;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -27,18 +27,18 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.FixedSizeFrame;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
-import edu.uci.ics.hyracks.dataflow.std.sort.Utility;
-import edu.uci.ics.hyracks.dataflow.std.structures.TuplePointer;
+import org.apache.hyracks.api.comm.FixedSizeFrame;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.dataflow.std.sort.Utility;
+import org.apache.hyracks.dataflow.std.structures.TuplePointer;
 
 public class VariableTupleMemoryManagerTest {
     ISerializerDeserializer[] fieldsSerDer = new ISerializerDeserializer[] {
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppenderTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppenderTest.java
index eece886..1dc1209 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppenderTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/sort/util/DeletableFrameTupleAppenderTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.sort.util;
+package org.apache.hyracks.dataflow.std.sort.util;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -24,14 +24,14 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.IntSerDeUtils;
-import edu.uci.ics.hyracks.dataflow.std.sort.Utility;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.IntSerDeUtils;
+import org.apache.hyracks.dataflow.std.sort.Utility;
 
 public class DeletableFrameTupleAppenderTest {
     DeletableFrameTupleAppender appender;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/AbstracHeapTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/AbstracHeapTest.java
index 672e078..50bc0cf 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/AbstracHeapTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/AbstracHeapTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MaxHeapTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MaxHeapTest.java
index 3f2404c..4b6e751 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MaxHeapTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MaxHeapTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinHeapTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinHeapTest.java
index bcdabd1..7deaa7c 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinHeapTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinHeapTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeapTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeapTest.java
index 1f16e08..c3dd186 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeapTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/structures/MinMaxHeapTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.structures;
+package org.apache.hyracks.dataflow.std.structures;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/test/util/SelectionTreeTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/test/util/SelectionTreeTest.java
index 2c6b2b8..6aaf559 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/test/util/SelectionTreeTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/test/util/SelectionTreeTest.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.dataflow.std.test.util;
+package org.apache.hyracks.dataflow.std.test.util;
 
 import junit.framework.Assert;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.dataflow.std.util.SelectionTree;
-import edu.uci.ics.hyracks.dataflow.std.util.SelectionTree.Entry;
+import org.apache.hyracks.dataflow.std.util.SelectionTree;
+import org.apache.hyracks.dataflow.std.util.SelectionTree.Entry;
 
 public class SelectionTreeTest {
     @Test
diff --git a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/util/MathTest.java b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/util/MathTest.java
index 332ac98..a90877f 100644
--- a/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/util/MathTest.java
+++ b/hyracks/hyracks-dataflow-std/src/test/java/org/apache/hyracks/dataflow/std/util/MathTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.dataflow.std.util;
+package org.apache.hyracks.dataflow.std.util;
 
 import static org.junit.Assert.assertTrue;
 
diff --git a/hyracks/hyracks-dist/pom.xml b/hyracks/hyracks-dist/pom.xml
index 59d2a64..2968994 100755
--- a/hyracks/hyracks-dist/pom.xml
+++ b/hyracks/hyracks-dist/pom.xml
@@ -17,7 +17,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>hyracks</artifactId>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<version>0.2.16-SNAPSHOT</version>
 	</parent>
 
diff --git a/hyracks/hyracks-documentation/pom.xml b/hyracks/hyracks-documentation/pom.xml
index f97be4a..ad86773 100644
--- a/hyracks/hyracks-documentation/pom.xml
+++ b/hyracks/hyracks-documentation/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-documentation</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-documentation/src/books/user-guide/sec-concepts-applications.apt b/hyracks/hyracks-documentation/src/books/user-guide/sec-concepts-applications.apt
index 12e5cb2..0ad95b5 100644
--- a/hyracks/hyracks-documentation/src/books/user-guide/sec-concepts-applications.apt
+++ b/hyracks/hyracks-documentation/src/books/user-guide/sec-concepts-applications.apt
@@ -25,7 +25,7 @@
 
 * Hyracks Application Startup and Shutdown
 
-  Hyracks provides applications to run code at startup and shutdown. An application can provide the code to be executed at the ClusterController by providing an implementation of the edu.uci.ics.hyracks.api.application.ICCBootstrap interface. Similarly, the code to be executed at the NodeControllers can be specified by providing and implementation of the edu.uci.ics.hyracks.api.application.INCBootstrap interface. The bootstrap classes implementations of the above interfaces are specified in a deployment descriptor file.
+  Hyracks provides applications to run code at startup and shutdown. An application can provide the code to be executed at the ClusterController by providing an implementation of the org.apache.hyracks.api.application.ICCBootstrap interface. Similarly, the code to be executed at the NodeControllers can be specified by providing and implementation of the org.apache.hyracks.api.application.INCBootstrap interface. The bootstrap classes implementations of the above interfaces are specified in a deployment descriptor file.
 
 * Hyracks deployment descriptor
 
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml b/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
index d32f4bf..8da9688 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
@@ -14,30 +14,30 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  <groupId>org.apache.hyracks.examples.btree</groupId>
   <artifactId>btreeclient</artifactId>
   <name>btreeclient</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <groupId>org.apache.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  		<groupId>org.apache.hyracks.examples.btree</groupId>
   		<artifactId>btreehelper</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
@@ -65,7 +65,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.examples.btree.client.BTreeBulkLoadExample</mainClass>
+                  <mainClass>org.apache.hyracks.examples.btree.client.BTreeBulkLoadExample</mainClass>
                   <name>btreebulkload</name>
                 </program>
               </programs>
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/InsertPipelineExample.java b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/InsertPipelineExample.java
index 499d63f..d848048 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/InsertPipelineExample.java
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/InsertPipelineExample.java
@@ -13,43 +13,43 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.btree.client;
+package org.apache.hyracks.examples.btree.client;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.DataGenOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.DataGenOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
+import org.apache.hyracks.examples.btree.helper.StorageManagerInterface;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will insert tuples into the primary and secondary index using an insert pipeline
 
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/JobHelper.java b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/JobHelper.java
index 46840fe..5965e03 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/JobHelper.java
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/JobHelper.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.btree.client;
+package org.apache.hyracks.examples.btree.client;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
 
 public class JobHelper {
     public static IFileSplitProvider createFileSplitProvider(String[] splitNCs, String btreeFileName) {
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java
index ea0b28f..a0d9444 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java
@@ -12,42 +12,42 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.btree.client;
+package org.apache.hyracks.examples.btree.client;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.DataGenOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.DataGenOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
+import org.apache.hyracks.examples.btree.helper.StorageManagerInterface;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will load a primary index from randomly generated data
 
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexSearchExample.java b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexSearchExample.java
index 8b9eed3..e924cd2 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexSearchExample.java
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/PrimaryIndexSearchExample.java
@@ -12,40 +12,40 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.btree.client;
+package org.apache.hyracks.examples.btree.client;
 
 import java.io.DataOutput;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
+import org.apache.hyracks.examples.btree.helper.StorageManagerInterface;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will perform an ordered scan on the primary index
 // i.e. a range-search for [-infinity, +infinity]
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java
index 6ad0a63..4468f73 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java
@@ -12,37 +12,37 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.btree.client;
+package org.apache.hyracks.examples.btree.client;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDiskOrderScanOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
+import org.apache.hyracks.examples.btree.helper.StorageManagerInterface;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexDiskOrderScanOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will load a secondary index with <key, primary-index key> pairs
 // We require an existing primary index built with PrimaryIndexBulkLoadExample
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexSearchExample.java b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexSearchExample.java
index 6a218d6..078b3c2 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexSearchExample.java
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/org/apache/hyracks/examples/btree/client/SecondaryIndexSearchExample.java
@@ -12,40 +12,40 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.btree.client;
+package org.apache.hyracks.examples.btree.client;
 
 import java.io.DataOutput;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
+import org.apache.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
+import org.apache.hyracks.examples.btree.helper.StorageManagerInterface;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will perform range search on the secondary index
 // and then retrieve the corresponding source records from the primary index
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml b/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
index dfa07fe..ce06fa0 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
@@ -14,36 +14,36 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  <groupId>org.apache.hyracks.examples.btree</groupId>
   <artifactId>btreehelper</artifactId>
   <name>btreehelper</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <groupId>org.apache.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java
index c869362..6d39087 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/DataGenOperatorDescriptor.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.btree.helper;
+package org.apache.hyracks.examples.btree.helper;
 
 import java.io.DataOutput;
 import java.util.HashSet;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
 public class DataGenOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java
index 312887c..b8c9cae 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.btree.helper;
+package org.apache.hyracks.examples.btree.helper;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
 
 public enum IndexLifecycleManagerProvider implements IIndexLifecycleManagerProvider {
     INSTANCE;
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/NCApplicationEntryPoint.java b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/NCApplicationEntryPoint.java
index 0ea6617..5ec1224 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/NCApplicationEntryPoint.java
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/NCApplicationEntryPoint.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.btree.helper;
+package org.apache.hyracks.examples.btree.helper;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.application.INCApplicationEntryPoint;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.application.INCApplicationEntryPoint;
 
 public class NCApplicationEntryPoint implements INCApplicationEntryPoint {
     @Override
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/RuntimeContext.java b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/RuntimeContext.java
index e20211f..b1efd90 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/RuntimeContext.java
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/RuntimeContext.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.btree.helper;
+package org.apache.hyracks.examples.btree.helper;
 
 import java.util.concurrent.ThreadFactory;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.common.buffercache.BufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ClockPageReplacementStrategy;
-import edu.uci.ics.hyracks.storage.common.buffercache.DelayPageCleanerPolicy;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IPageReplacementStrategy;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepositoryFactory;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactoryProvider;
-import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
-import edu.uci.ics.hyracks.storage.common.file.TransientLocalResourceRepositoryFactory;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.common.dataflow.IndexLifecycleManager;
+import org.apache.hyracks.storage.common.buffercache.BufferCache;
+import org.apache.hyracks.storage.common.buffercache.ClockPageReplacementStrategy;
+import org.apache.hyracks.storage.common.buffercache.DelayPageCleanerPolicy;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
+import org.apache.hyracks.storage.common.buffercache.IPageReplacementStrategy;
+import org.apache.hyracks.storage.common.file.IFileMapManager;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepositoryFactory;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
+import org.apache.hyracks.storage.common.file.ResourceIdFactoryProvider;
+import org.apache.hyracks.storage.common.file.TransientFileMapManager;
+import org.apache.hyracks.storage.common.file.TransientLocalResourceRepositoryFactory;
 
 public class RuntimeContext {
     private IBufferCache bufferCache;
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/StorageManagerInterface.java b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/StorageManagerInterface.java
index d67e381..4b94790 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/StorageManagerInterface.java
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/org/apache/hyracks/examples/btree/helper/StorageManagerInterface.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.btree.helper;
+package org.apache.hyracks.examples.btree.helper;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
 
 public class StorageManagerInterface implements IStorageManagerInterface {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml b/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
index 178f8c9..a139229 100644
--- a/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
@@ -14,13 +14,13 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  <groupId>org.apache.hyracks.examples.btree</groupId>
   <artifactId>btreeserver</artifactId>
   <version>0.2.16-SNAPSHOT</version>
   <name>btreeserver</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <groupId>org.apache.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -36,11 +36,11 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.cc.CCDriver</mainClass>
                   <name>hyrackscc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.nc.NCDriver</mainClass>
                   <name>hyracksnc</name>
                 </program>
               </programs>
@@ -75,20 +75,20 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  		<groupId>org.apache.hyracks.examples.btree</groupId>
   		<artifactId>btreehelper</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-examples/btree-example/pom.xml b/hyracks/hyracks-examples/btree-example/pom.xml
index cf92b0c..beac849 100644
--- a/hyracks/hyracks-examples/btree-example/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/pom.xml
@@ -14,13 +14,13 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples</groupId>
+  <groupId>org.apache.hyracks.examples</groupId>
   <artifactId>btree-example</artifactId>
   <packaging>pom</packaging>
   <name>btree-example</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
index bdec601..d66da01 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
@@ -14,25 +14,25 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
+  <groupId>org.apache.hyracks.examples.compat</groupId>
   <artifactId>hadoopcompatclient</artifactId>
   <name>hadoopcompatclient</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <groupId>org.apache.hyracks.examples</groupId>
     <artifactId>hadoop-compat-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks.examples.compat</groupId>
+  		<groupId>org.apache.hyracks.examples.compat</groupId>
   		<artifactId>hadoopcompathelper</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
@@ -59,7 +59,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.examples.compat.client.WordCountCompatibility</mainClass>
+                  <mainClass>org.apache.hyracks.examples.compat.client.WordCountCompatibility</mainClass>
                   <name>hadoopcompatclient</name>
                 </program>
               </programs>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/src/main/java/org/apache/hyracks/examples/compat/client/WordCountCompatibility.java b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/src/main/java/org/apache/hyracks/examples/compat/client/WordCountCompatibility.java
index 6182161..b15baf0 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/src/main/java/org/apache/hyracks/examples/compat/client/WordCountCompatibility.java
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/src/main/java/org/apache/hyracks/examples/compat/client/WordCountCompatibility.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.compat.client;
+package org.apache.hyracks.examples.compat.client;
 
-import edu.uci.ics.hyracks.hadoop.compat.driver.CompatibilityLayer;
+import org.apache.hyracks.hadoop.compat.driver.CompatibilityLayer;
 
 public class WordCountCompatibility {
     public static void main(String[] args) throws Exception {
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
index 3b20286..d587a60 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
@@ -14,25 +14,25 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
+  <groupId>org.apache.hyracks.examples.compat</groupId>
   <artifactId>hadoopcompathelper</artifactId>
   <name>hadoopcompathelper</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <groupId>org.apache.hyracks.examples</groupId>
     <artifactId>hadoop-compat-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/src/main/java/org/apache/hyracks/examples/wordcount/WordCount.java b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/src/main/java/org/apache/hyracks/examples/wordcount/WordCount.java
index 0c31bcd..d7afe33 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/src/main/java/org/apache/hyracks/examples/wordcount/WordCount.java
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/src/main/java/org/apache/hyracks/examples/wordcount/WordCount.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.wordcount;
+package org.apache.hyracks.examples.wordcount;
 
 import java.io.IOException;
 import java.io.Serializable;
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/job/wordcount/wordcount.job b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/job/wordcount/wordcount.job
index 1a008c2..3843a3b 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/job/wordcount/wordcount.job
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/job/wordcount/wordcount.job
@@ -1,9 +1,9 @@
 mapred.input.dir=data/file1.txt
 mapred.output.dir=output
 mapred.job.name=wordcount(static)
-mapred.mapper.class=edu.uci.ics.hyracks.examples.wordcount.WordCount$Map
-mapred.combiner.class=edu.uci.ics.hyracks.examples.wordcount.WordCount$Reduce
-mapred.reducer.class=edu.uci.ics.hyracks.examples.wordcount.WordCount$Reduce
+mapred.mapper.class=org.apache.hyracks.examples.wordcount.WordCount$Map
+mapred.combiner.class=org.apache.hyracks.examples.wordcount.WordCount$Reduce
+mapred.reducer.class=org.apache.hyracks.examples.wordcount.WordCount$Reduce
 mapred.input.format.class=org.apache.hadoop.mapred.TextInputFormat
 mapred.output.format.class=org.apache.hadoop.mapred.TextOutputFormat
 mapred.mapoutput.key.class=org.apache.hadoop.io.Text
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml
index 8e7c1e5..b03358d 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml
@@ -14,13 +14,13 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
+  <groupId>org.apache.hyracks.examples.compat</groupId>
   <artifactId>hadoopcompatserver</artifactId>
   <version>0.2.16-SNAPSHOT</version>
   <name>hadoopcompatserver</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <groupId>org.apache.hyracks.examples</groupId>
     <artifactId>hadoop-compat-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -36,11 +36,11 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.cc.CCDriver</mainClass>
                   <name>hyrackscc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.nc.NCDriver</mainClass>
                   <name>hyracksnc</name>
                 </program>
               </programs>
@@ -72,7 +72,7 @@
         </executions>
       </plugin>
       <plugin>
-      	<groupId>edu.uci.ics.hyracks</groupId>
+      	<groupId>org.apache.hyracks</groupId>
       	<artifactId>hyracks-virtualcluster-maven-plugin</artifactId>
       	<version>0.2.16-SNAPSHOT</version>
         <configuration>
@@ -147,27 +147,27 @@
   </build>
   <dependencies>
      <dependency>
-        <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
+        <groupId>org.apache.hyracks.examples.compat</groupId>
         <artifactId>hadoopcompathelper</artifactId>
         <version>0.2.16-SNAPSHOT</version>
         <scope>compile</scope>
      </dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
      <dependency>
-        <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
+        <groupId>org.apache.hyracks.examples.compat</groupId>
   	    <artifactId>hadoopcompatclient</artifactId>
   	    <version>0.2.16-SNAPSHOT</version>
   	    <type>jar</type>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/src/test/java/org/apache/hyracks/examples/compat/test/WordCountCompatibilityIT.java b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/src/test/java/org/apache/hyracks/examples/compat/test/WordCountCompatibilityIT.java
index 81bff01..32a1d83 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/src/test/java/org/apache/hyracks/examples/compat/test/WordCountCompatibilityIT.java
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/src/test/java/org/apache/hyracks/examples/compat/test/WordCountCompatibilityIT.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.compat.test;
+package org.apache.hyracks.examples.compat.test;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.examples.compat.client.WordCountCompatibility;
+import org.apache.hyracks.examples.compat.client.WordCountCompatibility;
 
 public class WordCountCompatibilityIT {
     @Test
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/pom.xml
index 935ef2b..a614858 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/pom.xml
@@ -14,13 +14,13 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples</groupId>
+  <groupId>org.apache.hyracks.examples</groupId>
   <artifactId>hadoop-compat-example</artifactId>
   <packaging>pom</packaging>
   <name>hadoop-compat-example</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -40,7 +40,7 @@
       </dependency>
 
       <dependency>
-         <groupId>edu.uci.ics.hyracks</groupId>
+         <groupId>org.apache.hyracks</groupId>
          <artifactId>hyracks-hadoop-compat</artifactId>
          <version>0.2.16-SNAPSHOT</version>
          <type>jar</type>
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml b/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
index 2858d15..ca47d2a 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
@@ -14,11 +14,11 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<groupId>edu.uci.ics.hyracks.examples</groupId>
+	<groupId>org.apache.hyracks.examples</groupId>
 	<artifactId>hyracks-integration-tests</artifactId>
 	<name>hyracks-integration-tests</name>
 	<parent>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<artifactId>hyracks-examples</artifactId>
 		<version>0.2.16-SNAPSHOT</version>
 	</parent>
@@ -37,75 +37,75 @@
 	</build>
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-dataflow-std</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-control-cc</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-control-nc</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-btree</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-rtree</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-lsm-btree</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-lsm-rtree</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-lsm-invertedindex</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-test-support</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-data-std</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 		</dependency>
   	    <dependency>
-            <groupId>edu.uci.ics.hyracks</groupId>
+            <groupId>org.apache.hyracks</groupId>
             <artifactId>hyracks-client</artifactId>
             <version>0.2.16-SNAPSHOT</version>
             <type>jar</type>
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/AbstractBTreeOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/AbstractBTreeOperatorTest.java
index 1eb0ee9..6fade54 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/AbstractBTreeOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/AbstractBTreeOperatorTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import java.io.DataOutput;
 import java.io.File;
@@ -21,45 +21,45 @@
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.TransientLocalResourceFactoryProvider;
-import edu.uci.ics.hyracks.test.support.TestIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerInterface;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
-import edu.uci.ics.hyracks.tests.integration.AbstractIntegrationTest;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.TransientLocalResourceFactoryProvider;
+import org.apache.hyracks.test.support.TestIndexLifecycleManagerProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestStorageManagerInterface;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.tests.integration.AbstractIntegrationTest;
 
 public abstract class AbstractBTreeOperatorTest extends AbstractIntegrationTest {
     static {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeOperatorTestHelper.java
index 9107d9d..1cf0756 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeOperatorTestHelper.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.tests.am.common.TreeOperatorTestHelper;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.tests.am.common.TreeOperatorTestHelper;
 
 public class BTreeOperatorTestHelper extends TreeOperatorTestHelper {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexScanOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexScanOperatorTest.java
index e4ea0fe..2d7ca6a 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexScanOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexScanOperatorTest.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 
 public class BTreePrimaryIndexScanOperatorTest extends AbstractBTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexSearchOperatorTest.java
index c46bac7..830dbfa 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexSearchOperatorTest.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 
 public class BTreePrimaryIndexSearchOperatorTest extends AbstractBTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexStatsOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexStatsOperatorTest.java
index 545d2d2..808602f 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexStatsOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreePrimaryIndexStatsOperatorTest.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexStatsOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexStatsOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 
 public class BTreePrimaryIndexStatsOperatorTest extends AbstractBTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexInsertOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexInsertOperatorTest.java
index d0a4e87..5cc0847 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexInsertOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexInsertOperatorTest.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 
 public class BTreeSecondaryIndexInsertOperatorTest extends AbstractBTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexSearchOperatorTest.java
index 4a1e690..ef7ae44 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexSearchOperatorTest.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 
 public class BTreeSecondaryIndexSearchOperatorTest extends AbstractBTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexUpsertOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexUpsertOperatorTest.java
index b1371aa..d5595ab 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexUpsertOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/btree/BTreeSecondaryIndexUpsertOperatorTest.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.am.btree;
+package org.apache.hyracks.tests.am.btree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 
 public class BTreeSecondaryIndexUpsertOperatorTest extends AbstractBTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/ITreeIndexOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/ITreeIndexOperatorTestHelper.java
index ae9b80e..a28f39a 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/ITreeIndexOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/ITreeIndexOperatorTestHelper.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.common;
+package org.apache.hyracks.tests.am.common;
 
 public interface ITreeIndexOperatorTestHelper {
     public String getPrimaryIndexName();
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/LSMTreeOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/LSMTreeOperatorTestHelper.java
index afec1a7..3954af8 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/LSMTreeOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/LSMTreeOperatorTestHelper.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.common;
+package org.apache.hyracks.tests.am.common;
 
 import java.io.File;
 import java.io.FilenameFilter;
 import java.util.Date;
 
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.test.support.TestVirtualBufferCacheProvider;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.test.support.TestVirtualBufferCacheProvider;
 
 public class LSMTreeOperatorTestHelper extends TreeOperatorTestHelper {
     protected static int DEFAULT_MEM_PAGE_SIZE = 32768;
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/TreeOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/TreeOperatorTestHelper.java
index d057663..c5dce8e 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/TreeOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/common/TreeOperatorTestHelper.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.common;
+package org.apache.hyracks.tests.am.common;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java
index 25cb47a..13dd42e 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeOperatorTestHelper.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.btree;
+package org.apache.hyracks.tests.am.lsm.btree;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingOperationTrackerProvider;
-import edu.uci.ics.hyracks.tests.am.common.LSMTreeOperatorTestHelper;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.SynchronousSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingOperationTrackerProvider;
+import org.apache.hyracks.tests.am.common.LSMTreeOperatorTestHelper;
 
 public class LSMBTreeOperatorTestHelper extends LSMTreeOperatorTestHelper {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexScanOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexScanOperatorTest.java
index 3b638d1..64d7f1e 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexScanOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexScanOperatorTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.btree;
+package org.apache.hyracks.tests.am.lsm.btree;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.btree.BTreePrimaryIndexScanOperatorTest;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.btree.BTreePrimaryIndexScanOperatorTest;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
 
 public class LSMBTreePrimaryIndexScanOperatorTest extends BTreePrimaryIndexScanOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexSearchOperatorTest.java
index 6e880ab..d9c88fe 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreePrimaryIndexSearchOperatorTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.btree;
+package org.apache.hyracks.tests.am.lsm.btree;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.btree.BTreePrimaryIndexSearchOperatorTest;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.btree.BTreePrimaryIndexSearchOperatorTest;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
 
 public class LSMBTreePrimaryIndexSearchOperatorTest extends BTreePrimaryIndexSearchOperatorTest {
     protected ITreeIndexOperatorTestHelper createTestHelper() throws HyracksException {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexInsertOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexInsertOperatorTest.java
index 8cf0687..fb220e3 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexInsertOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexInsertOperatorTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.btree;
+package org.apache.hyracks.tests.am.lsm.btree;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.btree.BTreeSecondaryIndexInsertOperatorTest;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.btree.BTreeSecondaryIndexInsertOperatorTest;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
 
 public class LSMBTreeSecondaryIndexInsertOperatorTest extends BTreeSecondaryIndexInsertOperatorTest {
     protected ITreeIndexOperatorTestHelper createTestHelper() throws HyracksException {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexSearchOperatorTest.java
index dd3b70e..78b6c0f 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/btree/LSMBTreeSecondaryIndexSearchOperatorTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.btree;
+package org.apache.hyracks.tests.am.lsm.btree;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.btree.BTreeSecondaryIndexSearchOperatorTest;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.btree.BTreeSecondaryIndexSearchOperatorTest;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
 
 public class LSMBTreeSecondaryIndexSearchOperatorTest extends BTreeSecondaryIndexSearchOperatorTest {
     protected ITreeIndexOperatorTestHelper createTestHelper() throws HyracksException {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeOperatorTestHelper.java
index bc632f5..6b81a5b 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeOperatorTestHelper.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.rtree;
+package org.apache.hyracks.tests.am.lsm.rtree;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.tests.am.common.LSMTreeOperatorTestHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.SynchronousSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.tests.am.common.LSMTreeOperatorTestHelper;
 
 public class LSMRTreeOperatorTestHelper extends LSMTreeOperatorTestHelper {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexInsertOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexInsertOperatorTest.java
index 8e53269..ff0e234 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexInsertOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexInsertOperatorTest.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.rtree;
+package org.apache.hyracks.tests.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
-import edu.uci.ics.hyracks.tests.am.rtree.RTreeSecondaryIndexInsertOperatorTest;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.tests.am.rtree.RTreeSecondaryIndexInsertOperatorTest;
 
 public class LSMRTreeSecondaryIndexInsertOperatorTest extends RTreeSecondaryIndexInsertOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexSearchOperatorTest.java
index 67691ea..a2f63b4 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeSecondaryIndexSearchOperatorTest.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.rtree;
+package org.apache.hyracks.tests.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
-import edu.uci.ics.hyracks.tests.am.rtree.RTreeSecondaryIndexSearchOperatorTest;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.tests.am.rtree.RTreeSecondaryIndexSearchOperatorTest;
 
 public class LSMRTreeSecondaryIndexSearchOperatorTest extends RTreeSecondaryIndexSearchOperatorTest {
     public LSMRTreeSecondaryIndexSearchOperatorTest() {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesOperatorTestHelper.java
index f229356..616f193 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesOperatorTestHelper.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.rtree;
+package org.apache.hyracks.tests.am.lsm.rtree;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeWithAntiMatterTuplesDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.tests.am.common.LSMTreeOperatorTestHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.ConstantMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.SynchronousSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeWithAntiMatterTuplesDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.tests.am.common.LSMTreeOperatorTestHelper;
 
 public class LSMRTreeWithAntiMatterTuplesOperatorTestHelper extends LSMTreeOperatorTestHelper {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexInsertOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexInsertOperatorTest.java
index ddd6e10..abbcaba 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexInsertOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexInsertOperatorTest.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.rtree;
+package org.apache.hyracks.tests.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
-import edu.uci.ics.hyracks.tests.am.rtree.RTreeSecondaryIndexInsertOperatorTest;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.tests.am.rtree.RTreeSecondaryIndexInsertOperatorTest;
 
 public class LSMRTreeWithAntiMatterTuplesSecondaryIndexInsertOperatorTest extends RTreeSecondaryIndexInsertOperatorTest {
     public LSMRTreeWithAntiMatterTuplesSecondaryIndexInsertOperatorTest() {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexSearchOperatorTest.java
index f4fad79..e49f7bf 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesSecondaryIndexSearchOperatorTest.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.lsm.rtree;
+package org.apache.hyracks.tests.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
-import edu.uci.ics.hyracks.tests.am.rtree.RTreeSecondaryIndexSearchOperatorTest;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.tests.am.rtree.RTreeSecondaryIndexSearchOperatorTest;
 
 public class LSMRTreeWithAntiMatterTuplesSecondaryIndexSearchOperatorTest extends RTreeSecondaryIndexSearchOperatorTest {
     public LSMRTreeWithAntiMatterTuplesSecondaryIndexSearchOperatorTest() {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/AbstractRTreeOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/AbstractRTreeOperatorTest.java
index 76ea772..489d782 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/AbstractRTreeOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/AbstractRTreeOperatorTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.rtree;
+package org.apache.hyracks.tests.am.rtree;
 
 import java.io.DataOutput;
 import java.io.File;
@@ -21,55 +21,55 @@
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.DoubleParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.TransientLocalResourceFactoryProvider;
-import edu.uci.ics.hyracks.test.support.TestIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerInterface;
-import edu.uci.ics.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
-import edu.uci.ics.hyracks.tests.integration.AbstractIntegrationTest;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.DoubleParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.TransientLocalResourceFactoryProvider;
+import org.apache.hyracks.test.support.TestIndexLifecycleManagerProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestStorageManagerInterface;
+import org.apache.hyracks.tests.am.common.ITreeIndexOperatorTestHelper;
+import org.apache.hyracks.tests.integration.AbstractIntegrationTest;
 
 public abstract class AbstractRTreeOperatorTest extends AbstractIntegrationTest {
     static {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeOperatorTestHelper.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeOperatorTestHelper.java
index a793a91..da408c3 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeOperatorTestHelper.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeOperatorTestHelper.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.rtree;
+package org.apache.hyracks.tests.am.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.tests.am.common.TreeOperatorTestHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.dataflow.RTreeDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.tests.am.common.TreeOperatorTestHelper;
 
 public class RTreeOperatorTestHelper extends TreeOperatorTestHelper {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexInsertOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexInsertOperatorTest.java
index 18a8cfa..4d104ec 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexInsertOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexInsertOperatorTest.java
@@ -13,35 +13,35 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.rtree;
+package org.apache.hyracks.tests.am.rtree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class RTreeSecondaryIndexInsertOperatorTest extends AbstractRTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexScanOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexScanOperatorTest.java
index b18c053..0126da3 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexScanOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexScanOperatorTest.java
@@ -13,33 +13,33 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.rtree;
+package org.apache.hyracks.tests.am.rtree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class RTreeSecondaryIndexScanOperatorTest extends AbstractRTreeOperatorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexSearchOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexSearchOperatorTest.java
index f2239b9..d2e7e57 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexSearchOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexSearchOperatorTest.java
@@ -13,35 +13,35 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.rtree;
+package org.apache.hyracks.tests.am.rtree;
 
 import java.io.DataOutput;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
+import org.apache.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class RTreeSecondaryIndexSearchOperatorTest extends AbstractRTreeOperatorTest {
     public RTreeSecondaryIndexSearchOperatorTest() {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexStatsOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexStatsOperatorTest.java
index 5483e90..896b583 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexStatsOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/am/rtree/RTreeSecondaryIndexStatsOperatorTest.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.am.rtree;
+package org.apache.hyracks.tests.am.rtree;
 
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexStatsOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexStatsOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class RTreeSecondaryIndexStatsOperatorTest extends AbstractRTreeOperatorTest {
     public RTreeSecondaryIndexStatsOperatorTest() {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/comm/SerializationDeserializationTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/comm/SerializationDeserializationTest.java
index 5268150..36ca71a 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/comm/SerializationDeserializationTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/comm/SerializationDeserializationTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.comm;
+package org.apache.hyracks.tests.comm;
 
 import java.io.BufferedReader;
 import java.io.FileReader;
@@ -24,23 +24,23 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataReader;
-import edu.uci.ics.hyracks.api.dataflow.IOpenableDataWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameDeserializingDataReader;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.SerializingDataWriter;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IDataWriter;
+import org.apache.hyracks.api.dataflow.IOpenableDataReader;
+import org.apache.hyracks.api.dataflow.IOpenableDataWriter;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameDeserializingDataReader;
+import org.apache.hyracks.dataflow.common.comm.io.SerializingDataWriter;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class SerializationDeserializationTest {
     private static final Logger LOGGER = Logger.getLogger(SerializationDeserializationTest.class.getName());
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractIntegrationTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractIntegrationTest.java
index 30f89e2..a963ace 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractIntegrationTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractIntegrationTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
@@ -32,24 +32,24 @@
 import org.junit.Rule;
 import org.junit.rules.TemporaryFolder;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDataset;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetReader;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.client.dataset.HyracksDataset;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ResultFrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.dataset.IHyracksDataset;
+import org.apache.hyracks.api.dataset.IHyracksDatasetReader;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.client.dataset.HyracksDataset;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.dataflow.common.comm.io.ResultFrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public abstract class AbstractIntegrationTest {
     private static final Logger LOGGER = Logger.getLogger(AbstractIntegrationTest.class.getName());
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractMultiNCIntegrationTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractMultiNCIntegrationTest.java
index 602e193..bfd6316 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractMultiNCIntegrationTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AbstractMultiNCIntegrationTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 import java.io.IOException;
@@ -29,24 +29,24 @@
 import org.junit.Rule;
 import org.junit.rules.TemporaryFolder;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDataset;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDatasetReader;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.client.dataset.HyracksDataset;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ResultFrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.dataset.IHyracksDataset;
+import org.apache.hyracks.api.dataset.IHyracksDatasetReader;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.client.dataset.HyracksDataset;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.dataflow.common.comm.io.ResultFrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public abstract class AbstractMultiNCIntegrationTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AggregationTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AggregationTest.java
index 0a5f2c5..b73b9c9 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AggregationTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/AggregationTest.java
@@ -12,57 +12,57 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 import java.io.IOException;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.HashSpillableTableFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.AvgFieldGroupAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.AvgFieldMergeAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.FloatSumFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.IntSumFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MinMaxStringFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.FloatParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.ITupleParserFactory;
+import org.apache.hyracks.dataflow.std.group.HashSpillableTableFactory;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.AvgFieldGroupAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.AvgFieldMergeAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.FloatSumFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.IntSumFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MinMaxStringFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 /**
  *
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/CountOfCountsTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/CountOfCountsTest.java
index 906a750..6dc9273 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/CountOfCountsTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/CountOfCountsTest.java
@@ -12,47 +12,47 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class CountOfCountsTest extends AbstractIntegrationTest {
     @Test
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/LocalityAwareConnectorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/LocalityAwareConnectorTest.java
index 42c823a..5b9b31f 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/LocalityAwareConnectorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/LocalityAwareConnectorTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 import java.io.IOException;
@@ -20,45 +20,45 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.GlobalHashingLocalityMap;
-import edu.uci.ics.hyracks.dataflow.std.connectors.HashtableLocalityMap;
-import edu.uci.ics.hyracks.dataflow.std.connectors.LocalityAwareMToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.FloatSumFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.IntSumFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.FloatParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.GlobalHashingLocalityMap;
+import org.apache.hyracks.dataflow.std.connectors.HashtableLocalityMap;
+import org.apache.hyracks.dataflow.std.connectors.LocalityAwareMToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.ITupleParserFactory;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.FloatSumFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.IntSumFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class LocalityAwareConnectorTest extends AbstractMultiNCIntegrationTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/OptimizedSortMergeTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/OptimizedSortMergeTest.java
index 9b77ec5..79a9be3 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/OptimizedSortMergeTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/OptimizedSortMergeTest.java
@@ -12,41 +12,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.LimitOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.TopKSorterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.LimitOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.TopKSorterOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class OptimizedSortMergeTest extends AbstractIntegrationTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/ScanPrintTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/ScanPrintTest.java
index c42dc75..ec254e0 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/ScanPrintTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/ScanPrintTest.java
@@ -12,39 +12,39 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class ScanPrintTest extends AbstractIntegrationTest {
     @Test
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SortMergeTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SortMergeTest.java
index faa55e8..d394bf0 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SortMergeTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SortMergeTest.java
@@ -12,40 +12,40 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class SortMergeTest extends AbstractIntegrationTest {
     @Test
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SplitOperatorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SplitOperatorTest.java
index 8446b83..a62df96 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SplitOperatorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/SplitOperatorTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -22,23 +22,23 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.misc.SplitOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.misc.SplitOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class SplitOperatorTest extends AbstractIntegrationTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOptimizedHybridHashJoinTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOptimizedHybridHashJoinTest.java
index 024c9b6..128ecb7 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOptimizedHybridHashJoinTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOptimizedHybridHashJoinTest.java
@@ -12,37 +12,37 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.UTF8StringBinaryHashFunctionFamily;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.join.JoinComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.join.OptimizedHybridHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFamily;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.UTF8StringBinaryHashFunctionFamily;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.join.JoinComparatorFactory;
+import org.apache.hyracks.dataflow.std.join.OptimizedHybridHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
 
 public class TPCHCustomerOptimizedHybridHashJoinTest extends AbstractIntegrationTest {
     private static final boolean DEBUG = false;
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderHashJoinTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderHashJoinTest.java
index 734c3da..29e1397 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderHashJoinTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderHashJoinTest.java
@@ -12,45 +12,45 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.join.GraceHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.HybridHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.InMemoryHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.MaterializingOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.NoopNullWriterFactory;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.join.GraceHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.HybridHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.InMemoryHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.misc.MaterializingOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.tests.util.NoopNullWriterFactory;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class TPCHCustomerOrderHashJoinTest extends AbstractIntegrationTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderNestedLoopJoinTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderNestedLoopJoinTest.java
index ef423b5..3481433 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderNestedLoopJoinTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/TPCHCustomerOrderNestedLoopJoinTest.java
@@ -12,44 +12,44 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.NoopNullWriterFactory;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.tests.util.NoopNullWriterFactory;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class TPCHCustomerOrderNestedLoopJoinTest extends AbstractIntegrationTest {
     private static class JoinComparatorFactory implements ITuplePairComparatorFactory {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/UnionTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/UnionTest.java
index ef31508..28d362d 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/UnionTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/UnionTest.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.union.UnionAllOperatorDescriptor;
-import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.dataset.ResultSetId;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.union.UnionAllOperatorDescriptor;
+import org.apache.hyracks.tests.util.ResultSerializerFactoryProvider;
 
 public class UnionTest extends AbstractIntegrationTest {
     @Test
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/VSizeFrameSortMergeTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/VSizeFrameSortMergeTest.java
index 212a99c..04ee718 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/VSizeFrameSortMergeTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/integration/VSizeFrameSortMergeTest.java
@@ -13,37 +13,37 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.integration;
+package org.apache.hyracks.tests.integration;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
 
 public class VSizeFrameSortMergeTest extends AbstractIntegrationTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/AbstractRunGeneratorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/AbstractRunGeneratorTest.java
index c4faa1a..51e5771 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/AbstractRunGeneratorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/AbstractRunGeneratorTest.java
@@ -13,7 +13,7 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.unit;
+package org.apache.hyracks.tests.unit;
 
 import static org.junit.Assert.assertTrue;
 
@@ -26,29 +26,29 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.GroupFrameAccessor;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.GroupVSizeFrame;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
+import org.apache.hyracks.dataflow.std.sort.util.GroupFrameAccessor;
+import org.apache.hyracks.dataflow.std.sort.util.GroupVSizeFrame;
+import org.apache.hyracks.test.support.TestUtils;
 
 public abstract class AbstractRunGeneratorTest {
     static TestUtils testUtils = new TestUtils();
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/ExternalSortRunGeneratorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/ExternalSortRunGeneratorTest.java
index 4d7558b..a9437d4 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/ExternalSortRunGeneratorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/ExternalSortRunGeneratorTest.java
@@ -13,13 +13,13 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.unit;
+package org.apache.hyracks.tests.unit;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.Algorithm;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.Algorithm;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
 
 public class ExternalSortRunGeneratorTest extends AbstractRunGeneratorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HeapSortRunGeneratorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HeapSortRunGeneratorTest.java
index 00eca70..dcf9458 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HeapSortRunGeneratorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HeapSortRunGeneratorTest.java
@@ -13,14 +13,14 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.unit;
+package org.apache.hyracks.tests.unit;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.HeapSortRunGenerator;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.HeapSortRunGenerator;
 
 public class HeapSortRunGeneratorTest extends AbstractRunGeneratorTest {
     @Override
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HybridSortRunGenerator.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HybridSortRunGenerator.java
index f7ecd5e..31c0787 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HybridSortRunGenerator.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/HybridSortRunGenerator.java
@@ -13,12 +13,12 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.unit;
+package org.apache.hyracks.tests.unit;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.HybridTopKSortRunGenerator;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.HybridTopKSortRunGenerator;
 
 public class HybridSortRunGenerator extends AbstractRunGeneratorTest {
     @Override
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/RunMergingFrameReaderTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/RunMergingFrameReaderTest.java
index d5355b8..3b14e9a 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/RunMergingFrameReaderTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/RunMergingFrameReaderTest.java
@@ -13,16 +13,16 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.unit;
+package org.apache.hyracks.tests.unit;
 
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.ComparatorFactories;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.GRandom;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.RecordDesc;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.SortFields;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.generateRandomRecord;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.matchResult;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.prepareData;
-import static edu.uci.ics.hyracks.tests.unit.ExternalSortRunGeneratorTest.testUtils;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.ComparatorFactories;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.GRandom;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.RecordDesc;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.SortFields;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.generateRandomRecord;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.matchResult;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.prepareData;
+import static org.apache.hyracks.tests.unit.ExternalSortRunGeneratorTest.testUtils;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -38,24 +38,24 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameReader;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.sort.Algorithm;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
-import edu.uci.ics.hyracks.dataflow.std.sort.RunMergingFrameReader;
-import edu.uci.ics.hyracks.dataflow.std.sort.util.GroupVSizeFrame;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameReader;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.sort.Algorithm;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.RunAndMaxFrameSizePair;
+import org.apache.hyracks.dataflow.std.sort.RunMergingFrameReader;
+import org.apache.hyracks.dataflow.std.sort.util.GroupVSizeFrame;
 
 public class RunMergingFrameReaderTest {
     static IBinaryComparator[] Comparators = new IBinaryComparator[] {
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/TopKRunGeneratorTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/TopKRunGeneratorTest.java
index ae0397b..2ee0606 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/TopKRunGeneratorTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/unit/TopKRunGeneratorTest.java
@@ -13,13 +13,13 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.tests.unit;
+package org.apache.hyracks.tests.unit;
 
-import static edu.uci.ics.hyracks.tests.unit.AbstractRunGeneratorTest.ComparatorFactories;
-import static edu.uci.ics.hyracks.tests.unit.AbstractRunGeneratorTest.RecordDesc;
-import static edu.uci.ics.hyracks.tests.unit.AbstractRunGeneratorTest.SerDers;
-import static edu.uci.ics.hyracks.tests.unit.AbstractRunGeneratorTest.SortFields;
-import static edu.uci.ics.hyracks.tests.unit.AbstractRunGeneratorTest.assertFTADataIsSorted;
+import static org.apache.hyracks.tests.unit.AbstractRunGeneratorTest.ComparatorFactories;
+import static org.apache.hyracks.tests.unit.AbstractRunGeneratorTest.RecordDesc;
+import static org.apache.hyracks.tests.unit.AbstractRunGeneratorTest.SerDers;
+import static org.apache.hyracks.tests.unit.AbstractRunGeneratorTest.SortFields;
+import static org.apache.hyracks.tests.unit.AbstractRunGeneratorTest.assertFTADataIsSorted;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -32,17 +32,17 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.FixedSizeFrame;
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.HybridTopKSortRunGenerator;
-import edu.uci.ics.hyracks.dataflow.std.sort.HeapSortRunGenerator;
+import org.apache.hyracks.api.comm.FixedSizeFrame;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.std.sort.AbstractSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.HybridTopKSortRunGenerator;
+import org.apache.hyracks.dataflow.std.sort.HeapSortRunGenerator;
 
 public class TopKRunGeneratorTest {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/NoopNullWriterFactory.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/NoopNullWriterFactory.java
index cc6c811..9452f77 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/NoopNullWriterFactory.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/NoopNullWriterFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.util;
+package org.apache.hyracks.tests.util;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class NoopNullWriterFactory implements INullWriterFactory {
 
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/ResultSerializerFactoryProvider.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/ResultSerializerFactoryProvider.java
index fd899cb..530c735 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/ResultSerializerFactoryProvider.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/org/apache/hyracks/tests/util/ResultSerializerFactoryProvider.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.tests.util;
+package org.apache.hyracks.tests.util;
 
 import java.io.DataInputStream;
 import java.io.PrintStream;
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializer;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.IResultSerializer;
+import org.apache.hyracks.api.dataflow.value.IResultSerializerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.util.ByteBufferInputStream;
 
 public class ResultSerializerFactoryProvider implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-examples/hyracks-shutdown-test/pom.xml b/hyracks/hyracks-examples/hyracks-shutdown-test/pom.xml
index 05df88f..22eb2f0 100644
--- a/hyracks/hyracks-examples/hyracks-shutdown-test/pom.xml
+++ b/hyracks/hyracks-examples/hyracks-shutdown-test/pom.xml
@@ -14,12 +14,12 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.text</groupId>
+  <groupId>org.apache.hyracks.examples.text</groupId>
   <artifactId>hyracks-shutdown-test</artifactId>
   <name>hyracks-shutdown-test</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -35,11 +35,11 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.cc.CCDriver</mainClass>
                   <name>hyrackscc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.nc.NCDriver</mainClass>
                   <name>hyracksnc</name>
                 </program>
               </programs>
@@ -72,7 +72,7 @@
       </plugin>
 
       <plugin>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-virtualcluster-maven-plugin</artifactId>
       <version>0.2.16-SNAPSHOT</version>
         <configuration>
@@ -152,27 +152,27 @@
       <artifactId>junit</artifactId>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>texthelper</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-cc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-nc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>textclient</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
diff --git a/hyracks/hyracks-examples/hyracks-shutdown-test/src/test/java/org/apache/hyracks/examples/shutdown/test/ClusterShutdownIT.java b/hyracks/hyracks-examples/hyracks-shutdown-test/src/test/java/org/apache/hyracks/examples/shutdown/test/ClusterShutdownIT.java
index ee9bad5..4e9d723 100644
--- a/hyracks/hyracks-examples/hyracks-shutdown-test/src/test/java/org/apache/hyracks/examples/shutdown/test/ClusterShutdownIT.java
+++ b/hyracks/hyracks-examples/hyracks-shutdown-test/src/test/java/org/apache/hyracks/examples/shutdown/test/ClusterShutdownIT.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.shutdown.test;
+package org.apache.hyracks.examples.shutdown.test;
 
 import java.net.ServerSocket;
 import java.util.logging.Logger;
@@ -21,9 +21,9 @@
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public class ClusterShutdownIT {
     private static Logger LOGGER = Logger.getLogger(ClusterShutdownIT.class.getName());
diff --git a/hyracks/hyracks-examples/pom.xml b/hyracks/hyracks-examples/pom.xml
index bdfd343..f6fbcbc 100644
--- a/hyracks/hyracks-examples/pom.xml
+++ b/hyracks/hyracks-examples/pom.xml
@@ -19,7 +19,7 @@
   <name>hyracks-examples</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-examples/text-example/pom.xml b/hyracks/hyracks-examples/text-example/pom.xml
index 167e38a..3d41d60 100644
--- a/hyracks/hyracks-examples/text-example/pom.xml
+++ b/hyracks/hyracks-examples/text-example/pom.xml
@@ -19,7 +19,7 @@
   <name>text-example</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-examples/text-example/textclient/pom.xml b/hyracks/hyracks-examples/text-example/textclient/pom.xml
index 9fae8a6..a2d5e92 100644
--- a/hyracks/hyracks-examples/text-example/textclient/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textclient/pom.xml
@@ -18,20 +18,20 @@
   <name>textclient</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>text-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>texthelper</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
@@ -60,7 +60,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.examples.text.client.WordCountMain</mainClass>
+                  <mainClass>org.apache.hyracks.examples.text.client.WordCountMain</mainClass>
                   <name>textclient</name>
                 </program>
               </programs>
@@ -77,7 +77,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.examples.text.client.ExternalGroupClient</mainClass>
+                  <mainClass>org.apache.hyracks.examples.text.client.ExternalGroupClient</mainClass>
                   <name>groupclient</name>
                 </program>
               </programs>
diff --git a/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/ExternalGroupClient.java b/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/ExternalGroupClient.java
index 1629a1e..29f5359 100644
--- a/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/ExternalGroupClient.java
+++ b/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/ExternalGroupClient.java
@@ -12,55 +12,55 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.text.client;
+package org.apache.hyracks.examples.text.client;
 
 import java.io.File;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.IntegerNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.FrameFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.HashSpillableTableFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.IntSumFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.normalizers.IntegerNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.FloatParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.FrameFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.HashSpillableTableFactory;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.IntSumFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
 
 /**
  * The application client for the performance tests of the external hash group
@@ -197,7 +197,7 @@
 
         switch (alg) {
             case 0: // new external hash graph
-                grouper = new edu.uci.ics.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor(spec,
+                grouper = new org.apache.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor(spec,
                         keys, frameSize, new IBinaryComparatorFactory[] {
                         // PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY),
                         PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY) },
@@ -234,7 +234,7 @@
                         PointableBinaryHashFunctionFactory.of(IntegerPointable.FACTORY) }));
                 spec.connect(scanSortConn2, fileScanner, 0, sorter2, 0);
 
-                grouper = new edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor(
+                grouper = new org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor(
                         spec, keys, new IBinaryComparatorFactory[] {
                         // PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY),
                         PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY) },
@@ -270,7 +270,7 @@
                 spec.connect(scanConn2, fileScanner, 0, grouper, 0);
                 break;
             default:
-                grouper = new edu.uci.ics.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor(spec,
+                grouper = new org.apache.hyracks.dataflow.std.group.external.ExternalGroupOperatorDescriptor(spec,
                         keys, frameSize, new IBinaryComparatorFactory[] {
                         // PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY),
                         PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY) },
diff --git a/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/WordCountMain.java b/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/WordCountMain.java
index 82421ae..7fa3918 100644
--- a/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/WordCountMain.java
+++ b/hyracks/hyracks-examples/text-example/textclient/src/main/java/org/apache/hyracks/examples/text/client/WordCountMain.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.text.client;
+package org.apache.hyracks.examples.text.client;
 
 import java.io.File;
 import java.util.EnumSet;
@@ -20,42 +20,42 @@
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.FrameFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.text.WordTupleParserFactory;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.FrameFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
+import org.apache.hyracks.examples.text.WordTupleParserFactory;
 
 public class WordCountMain {
     private static class Options {
diff --git a/hyracks/hyracks-examples/text-example/texthelper/pom.xml b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
index 6d30fd8..956e51d 100644
--- a/hyracks/hyracks-examples/text-example/texthelper/pom.xml
+++ b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
@@ -18,26 +18,26 @@
   <name>texthelper</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>text-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
diff --git a/hyracks/hyracks-examples/text-example/texthelper/src/main/java/org/apache/hyracks/examples/text/WordTupleParserFactory.java b/hyracks/hyracks-examples/text-example/texthelper/src/main/java/org/apache/hyracks/examples/text/WordTupleParserFactory.java
index 790552c..bfb2e2d 100644
--- a/hyracks/hyracks-examples/text-example/texthelper/src/main/java/org/apache/hyracks/examples/text/WordTupleParserFactory.java
+++ b/hyracks/hyracks-examples/text-example/texthelper/src/main/java/org/apache/hyracks/examples/text/WordTupleParserFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.text;
+package org.apache.hyracks.examples.text;
 
 import java.io.DataOutput;
 import java.io.IOException;
@@ -21,17 +21,17 @@
 import java.io.Reader;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParser;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParser;
-import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParser;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.file.ITupleParser;
+import org.apache.hyracks.dataflow.std.file.ITupleParserFactory;
 
 public class WordTupleParserFactory implements ITupleParserFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-examples/text-example/textserver/pom.xml b/hyracks/hyracks-examples/text-example/textserver/pom.xml
index cda2586..300f980 100644
--- a/hyracks/hyracks-examples/text-example/textserver/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textserver/pom.xml
@@ -14,12 +14,12 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.text</groupId>
+  <groupId>org.apache.hyracks.examples.text</groupId>
   <artifactId>textserver</artifactId>
   <name>textserver</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>text-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -35,11 +35,11 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.cc.CCDriver</mainClass>
                   <name>hyrackscc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.nc.NCDriver</mainClass>
                   <name>hyracksnc</name>
                 </program>
               </programs>
@@ -71,7 +71,7 @@
         </executions>
       </plugin>
       <plugin>
-      	<groupId>edu.uci.ics.hyracks</groupId>
+      	<groupId>org.apache.hyracks</groupId>
       	<artifactId>hyracks-virtualcluster-maven-plugin</artifactId>
       	<version>0.2.16-SNAPSHOT</version>
         <configuration>
@@ -151,27 +151,27 @@
       <artifactId>junit</artifactId>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>texthelper</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-cc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-nc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>textclient</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
diff --git a/hyracks/hyracks-examples/text-example/textserver/src/test/java/org/apache/hyracks/examples/text/test/WordCountIT.java b/hyracks/hyracks-examples/text-example/textserver/src/test/java/org/apache/hyracks/examples/text/test/WordCountIT.java
index 12ea725..2bbb121 100644
--- a/hyracks/hyracks-examples/text-example/textserver/src/test/java/org/apache/hyracks/examples/text/test/WordCountIT.java
+++ b/hyracks/hyracks-examples/text-example/textserver/src/test/java/org/apache/hyracks/examples/text/test/WordCountIT.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.text.test;
+package org.apache.hyracks.examples.text.test;
 
 import java.io.File;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.examples.text.client.WordCountMain;
+import org.apache.hyracks.examples.text.client.WordCountMain;
 
 public class WordCountIT {
     @Test
diff --git a/hyracks/hyracks-examples/tpch-example/pom.xml b/hyracks/hyracks-examples/tpch-example/pom.xml
index 65ecc74..d19cdf0 100644
--- a/hyracks/hyracks-examples/tpch-example/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/pom.xml
@@ -19,7 +19,7 @@
   <name>tpch-example</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml b/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
index e22f27f..60edfea 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
@@ -17,20 +17,20 @@
   <artifactId>tpchclient</artifactId>
   <name>tpchclient</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>tpch-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   	</dependency>
@@ -56,7 +56,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.examples.tpch.client.Sort</mainClass>
+                  <mainClass>org.apache.hyracks.examples.tpch.client.Sort</mainClass>
                   <name>tpchclient</name>
                 </program>
               </programs>
diff --git a/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Common.java b/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Common.java
index 17f1d3b..1298081 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Common.java
+++ b/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Common.java
@@ -13,20 +13,20 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.tpch.client;
+package org.apache.hyracks.examples.tpch.client;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
 
 public class Common {
     static RecordDescriptor custDesc = new RecordDescriptor(new ISerializerDeserializer[] {
diff --git a/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Join.java b/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Join.java
index 748d809..892e538 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Join.java
+++ b/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Join.java
@@ -12,57 +12,57 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.examples.tpch.client;
+package org.apache.hyracks.examples.tpch.client;
 
-import static edu.uci.ics.hyracks.examples.tpch.client.Common.*;
+import static org.apache.hyracks.examples.tpch.client.Common.*;
 
 import java.util.EnumSet;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.FrameFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
-import edu.uci.ics.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.GraceHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.HybridHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.InMemoryHashJoinOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparator;
+import org.apache.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.parsers.IValueParserFactory;
+import org.apache.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.FrameFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.group.IFieldAggregateDescriptorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.CountFieldAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.aggregators.MultiFieldsAggregatorFactory;
+import org.apache.hyracks.dataflow.std.group.hash.HashGroupOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.GraceHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.HybridHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.InMemoryHashJoinOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
 
 public class Join {
     private static class Options {
diff --git a/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Sort.java b/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Sort.java
index 7570b0b..f62ba5d 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Sort.java
+++ b/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/org/apache/hyracks/examples/tpch/client/Sort.java
@@ -13,44 +13,44 @@
  *  limitations under the License.
  */
 
-package edu.uci.ics.hyracks.examples.tpch.client;
+package org.apache.hyracks.examples.tpch.client;
 
-import static edu.uci.ics.hyracks.examples.tpch.client.Common.createPartitionConstraint;
-import static edu.uci.ics.hyracks.examples.tpch.client.Common.orderParserFactories;
-import static edu.uci.ics.hyracks.examples.tpch.client.Common.ordersDesc;
-import static edu.uci.ics.hyracks.examples.tpch.client.Common.parseFileSplits;
+import static org.apache.hyracks.examples.tpch.client.Common.createPartitionConstraint;
+import static org.apache.hyracks.examples.tpch.client.Common.orderParserFactories;
+import static org.apache.hyracks.examples.tpch.client.Common.ordersDesc;
+import static org.apache.hyracks.examples.tpch.client.Common.parseFileSplits;
 
 import java.util.EnumSet;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.Algorithm;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.TopKSorterOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
+import org.apache.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.FileSplit;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.dataflow.std.file.PlainFileWriterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.Algorithm;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.TopKSorterOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.buffermanager.EnumFreeSlotPolicy;
 
 public class Sort {
     private static class Options {
diff --git a/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml b/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml
index 4f310c4..78eb85f 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml
@@ -14,12 +14,12 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.tpch</groupId>
+  <groupId>org.apache.hyracks.examples.tpch</groupId>
   <artifactId>tpchserver</artifactId>
   <name>tpchserver</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>tpch-example</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -35,11 +35,11 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.cc.CCDriver</mainClass>
                   <name>hyrackscc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.nc.NCDriver</mainClass>
                   <name>hyracksnc</name>
                 </program>
               </programs>
@@ -74,25 +74,25 @@
   </build>
   <dependencies>
     <dependency>
-        <groupId>edu.uci.ics.hyracks</groupId>
+        <groupId>org.apache.hyracks</groupId>
         <artifactId>hyracks-dataflow-std</artifactId>
         <version>0.2.16-SNAPSHOT</version>
         <scope>compile</scope>
     </dependency>
     <dependency>
-    	<groupId>edu.uci.ics.hyracks</groupId>
+    	<groupId>org.apache.hyracks</groupId>
     	<artifactId>hyracks-data-std</artifactId>
     	<version>0.2.16-SNAPSHOT</version>
     </dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-hadoop-compat/pom.xml b/hyracks/hyracks-hadoop-compat/pom.xml
index cd50ac4..9fe9956 100644
--- a/hyracks/hyracks-hadoop-compat/pom.xml
+++ b/hyracks/hyracks-hadoop-compat/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-hadoop-compat</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -54,7 +54,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.hadoop.compat.driver.CompatibilityLayer</mainClass>
+                  <mainClass>org.apache.hyracks.hadoop.compat.driver.CompatibilityLayer</mainClass>
                   <name>hadoop-compat</name>
                 </program>
               </programs>
@@ -101,7 +101,7 @@
         <scope>compile</scope>
     </dependency>
     <dependency>
-    	<groupId>edu.uci.ics.hyracks</groupId>
+    	<groupId>org.apache.hyracks</groupId>
     	<artifactId>hyracks-dataflow-hadoop</artifactId>
     	<version>0.2.16-SNAPSHOT</version>
     	<type>jar</type>
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksClient.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksClient.java
index f42fa9a..1c8d4dd 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksClient.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksClient.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.client;
+package org.apache.hyracks.hadoop.compat.client;
 
 import java.util.EnumSet;
 import java.util.HashSet;
 import java.util.Properties;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.api.job.JobStatus;
-import edu.uci.ics.hyracks.hadoop.compat.util.ConfigurationConstants;
-import edu.uci.ics.hyracks.hadoop.compat.util.Utilities;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.api.job.JobStatus;
+import org.apache.hyracks.hadoop.compat.util.ConfigurationConstants;
+import org.apache.hyracks.hadoop.compat.util.Utilities;
 
 public class HyracksClient {
 
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksRunningJob.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksRunningJob.java
index ba6b986..f834574 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksRunningJob.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/client/HyracksRunningJob.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.client;
+package org.apache.hyracks.hadoop.compat.client;
 
 import java.io.IOException;
 
@@ -24,8 +24,8 @@
 import org.apache.hadoop.mapred.TaskAttemptID;
 import org.apache.hadoop.mapred.TaskCompletionEvent;
 
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobId;
 
 public class HyracksRunningJob implements RunningJob {
 
@@ -102,14 +102,14 @@
 
     @Override
     public boolean isComplete() throws IOException {
-        edu.uci.ics.hyracks.api.job.JobStatus status = null;
+        org.apache.hyracks.api.job.JobStatus status = null;
         try {
             status = hyracksClient.getJobStatus(jobId);
         } catch (Exception e) {
             e.printStackTrace();
         }
 
-        return status.equals(edu.uci.ics.hyracks.api.job.JobStatus.TERMINATED);
+        return status.equals(org.apache.hyracks.api.job.JobStatus.TERMINATED);
     }
 
     @Override
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/driver/CompatibilityLayer.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/driver/CompatibilityLayer.java
index b7d83c9..1553962 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/driver/CompatibilityLayer.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/driver/CompatibilityLayer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.driver;
+package org.apache.hyracks.hadoop.compat.driver;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -28,15 +28,15 @@
 import org.apache.hadoop.mapred.JobConf;
 import org.kohsuke.args4j.CmdLineParser;
 
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.hadoop.compat.client.HyracksClient;
-import edu.uci.ics.hyracks.hadoop.compat.client.HyracksRunningJob;
-import edu.uci.ics.hyracks.hadoop.compat.util.CompatibilityConfig;
-import edu.uci.ics.hyracks.hadoop.compat.util.ConfigurationConstants;
-import edu.uci.ics.hyracks.hadoop.compat.util.DCacheHandler;
-import edu.uci.ics.hyracks.hadoop.compat.util.HadoopAdapter;
-import edu.uci.ics.hyracks.hadoop.compat.util.Utilities;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.hadoop.compat.client.HyracksClient;
+import org.apache.hyracks.hadoop.compat.client.HyracksRunningJob;
+import org.apache.hyracks.hadoop.compat.util.CompatibilityConfig;
+import org.apache.hyracks.hadoop.compat.util.ConfigurationConstants;
+import org.apache.hyracks.hadoop.compat.util.DCacheHandler;
+import org.apache.hyracks.hadoop.compat.util.HadoopAdapter;
+import org.apache.hyracks.hadoop.compat.util.Utilities;
 
 public class CompatibilityLayer {
 
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/CompatibilityConfig.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/CompatibilityConfig.java
index 328d6bd..cd8f71d 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/CompatibilityConfig.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/CompatibilityConfig.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.util;
+package org.apache.hyracks.hadoop.compat.util;
 
 import org.kohsuke.args4j.Option;
 
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/ConfigurationConstants.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/ConfigurationConstants.java
index c818621..2a0da51 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/ConfigurationConstants.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/ConfigurationConstants.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.util;
+package org.apache.hyracks.hadoop.compat.util;
 
 public class ConfigurationConstants {
 
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/DCacheHandler.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/DCacheHandler.java
index 137e1f9..4bb2e96 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/DCacheHandler.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/DCacheHandler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.util;
+package org.apache.hyracks.hadoop.compat.util;
 
 import java.io.IOException;
 import java.util.LinkedHashSet;
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/HadoopAdapter.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/HadoopAdapter.java
index d72b44d..85ba047 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/HadoopAdapter.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/HadoopAdapter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.util;
+package org.apache.hyracks.hadoop.compat.util;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -37,30 +37,30 @@
 import org.apache.hadoop.mapred.JobContextImpl;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IConnectorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.hadoop.HadoopMapperOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.hadoop.HadoopReducerOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.hadoop.HadoopWriteOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.HadoopHashTuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.HadoopPartitionerTuplePartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.data.WritableComparingBinaryComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.ClasspathBasedHadoopClassFactory;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.DatatypeHelper;
-import edu.uci.ics.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.IConnectorDescriptor;
+import org.apache.hyracks.api.dataflow.IOperatorDescriptor;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITuplePartitionComputerFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IConnectorDescriptorRegistry;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.hadoop.HadoopMapperOperatorDescriptor;
+import org.apache.hyracks.dataflow.hadoop.HadoopReducerOperatorDescriptor;
+import org.apache.hyracks.dataflow.hadoop.HadoopWriteOperatorDescriptor;
+import org.apache.hyracks.dataflow.hadoop.data.HadoopHashTuplePartitionComputerFactory;
+import org.apache.hyracks.dataflow.hadoop.data.HadoopPartitionerTuplePartitionComputerFactory;
+import org.apache.hyracks.dataflow.hadoop.data.WritableComparingBinaryComparatorFactory;
+import org.apache.hyracks.dataflow.hadoop.util.ClasspathBasedHadoopClassFactory;
+import org.apache.hyracks.dataflow.hadoop.util.DatatypeHelper;
+import org.apache.hyracks.dataflow.hadoop.util.IHadoopClassFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
 
 public class HadoopAdapter {
 
diff --git a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/Utilities.java b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/Utilities.java
index 8aad37e..a1eb4f6 100644
--- a/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/Utilities.java
+++ b/hyracks/hyracks-hadoop-compat/src/main/java/org/apache/hyracks/hadoop/compat/util/Utilities.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hadoop.compat.util;
+package org.apache.hyracks.hadoop.compat.util;
 
 import java.io.BufferedReader;
 import java.io.DataInputStream;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml
index f7ee05d..dec634f 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml
@@ -19,7 +19,7 @@
 	<name>hyracks-hdfs-1.x</name>
 	<parent>
 		<artifactId>hyracks-hdfs</artifactId>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<version>0.2.16-SNAPSHOT</version>
 	</parent>
 
@@ -98,7 +98,7 @@
 
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
index 933e717..57b61f5 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs;
+package org.apache.hyracks.hdfs;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.mapreduce.JobContext;
@@ -21,7 +21,7 @@
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * The wrapper to generate TaskTattemptContext
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java
index b510748..3f6eb86 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs;
+package org.apache.hyracks.hdfs;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class MiniDFSClusterFactory {
 
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/pom.xml
index 37fff65..62187df 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/pom.xml
@@ -19,7 +19,7 @@
 	<name>hyracks-hdfs-2.x</name>
 	<parent>
 		<artifactId>hyracks-hdfs</artifactId>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<version>0.2.16-SNAPSHOT</version>
 	</parent>
 	<build>
@@ -234,7 +234,7 @@
 
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
index f6fa060..11ec48b 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs;
+package org.apache.hyracks.hdfs;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.mapreduce.JobContext;
@@ -23,7 +23,7 @@
 import org.apache.hadoop.mapreduce.task.JobContextImpl;
 import org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * The wrapper to generate TaskTattemptContext
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java
index 28b6bc9..bc55b49 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/MiniDFSClusterFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs;
+package org.apache.hyracks.hdfs;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class MiniDFSClusterFactory {
 
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml
index c0be634..f477f8e 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml
@@ -14,7 +14,7 @@
 	<name>hyracks-hdfs-core</name>
 	<parent>
 		<artifactId>hyracks-hdfs</artifactId>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<version>0.2.16-SNAPSHOT</version>
 	</parent>
 
@@ -72,7 +72,7 @@
 			<id>hadoop-0.20.2</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-1.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -91,7 +91,7 @@
 			<id>hadoop-1.0.4</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-1.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -111,7 +111,7 @@
 			<id>hadoop-2.2.0</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-2.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -130,7 +130,7 @@
 			<id>hadoop-0.23.1</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-2.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -149,7 +149,7 @@
 			<id>hadoop-0.23.6</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-2.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -168,7 +168,7 @@
 			<id>cdh-4.1</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-2.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -187,7 +187,7 @@
 			<id>cdh-4.2</id>
 			<dependencies>
 				<dependency>
-					<groupId>edu.uci.ics.hyracks</groupId>
+					<groupId>org.apache.hyracks</groupId>
 					<artifactId>hyracks-hdfs-2.x</artifactId>
 					<version>${project.version}</version>
 					<type>jar</type>
@@ -199,31 +199,31 @@
 
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-dataflow-std</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-dataflow-common</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-control-cc</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-control-nc</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<scope>test</scope>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParser.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParser.java
index 57c20e0..0683643 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParser.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParser.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.api;
+package org.apache.hyracks.hdfs.api;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Users need to implement this interface to use the HDFSReadOperatorDescriptor.
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParserFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParserFactory.java
index 157228e..ad1b204 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParserFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/IKeyValueParserFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.api;
+package org.apache.hyracks.hdfs.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Users need to implement this interface to use the HDFSReadOperatorDescriptor.
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollection.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollection.java
index 1b378cb..194ec57 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollection.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollection.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.api;
+package org.apache.hyracks.hdfs.api;
 
 import org.apache.hadoop.mapred.InputSplit;
 
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollectionBuilder.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollectionBuilder.java
index 7afa94c..0086895 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollectionBuilder.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/INcCollectionBuilder.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.api;
+package org.apache.hyracks.hdfs.api;
 
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.client.NodeControllerInfo;
 
 /**
  * NC collections
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriter.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriter.java
index 85c560e..f189532 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriter.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriter.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.api;
+package org.apache.hyracks.hdfs.api;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * Users need to implement this interface to use the HDFSWriteOperatorDescriptor.
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriterFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriterFactory.java
index 7e6e4dc..848df38 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriterFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/api/ITupleWriterFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.api;
+package org.apache.hyracks.hdfs.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Users need to implement this interface to use the HDFSWriteOperatorDescriptor.
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
index 689cabf..7120de2 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.dataflow;
+package org.apache.hyracks.hdfs.dataflow;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -22,7 +22,7 @@
 
 import org.apache.hadoop.mapred.JobConf;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 @SuppressWarnings("deprecation")
 public class ConfFactory implements Serializable {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSReadOperatorDescriptor.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSReadOperatorDescriptor.java
index 814be7a..a56a4fa 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSReadOperatorDescriptor.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSReadOperatorDescriptor.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.dataflow;
+package org.apache.hyracks.hdfs.dataflow;
 
 import java.util.Arrays;
 
@@ -23,17 +23,17 @@
 import org.apache.hadoop.mapred.RecordReader;
 import org.apache.hadoop.mapred.Reporter;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.api.IKeyValueParser;
-import edu.uci.ics.hyracks.hdfs.api.IKeyValueParserFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.hdfs.api.IKeyValueParser;
+import org.apache.hyracks.hdfs.api.IKeyValueParserFactory;
 
 /**
  * The HDFS file read operator using the Hadoop old API.
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
index cb1ca87..4c6080a 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.dataflow;
+package org.apache.hyracks.hdfs.dataflow;
 
 import java.io.File;
 import java.nio.ByteBuffer;
@@ -24,19 +24,19 @@
 import org.apache.hadoop.mapred.FileOutputFormat;
 import org.apache.hadoop.mapred.JobConf;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.api.ITupleWriter;
-import edu.uci.ics.hyracks.hdfs.api.ITupleWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.hdfs.api.ITupleWriter;
+import org.apache.hyracks.hdfs.api.ITupleWriterFactory;
 
 /**
  * The HDFS file write operator using the Hadoop old API.
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
index 0890847..dc0aaff 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.dataflow;
+package org.apache.hyracks.hdfs.dataflow;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -26,7 +26,7 @@
 import org.apache.hadoop.mapred.FileSplit;
 import org.apache.hadoop.mapred.InputSplit;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 @SuppressWarnings({ "deprecation", "rawtypes" })
 public class InputSplitsFactory implements Serializable {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryComparatorFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryComparatorFactory.java
index f47be2e..3a893e3 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryComparatorFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryComparatorFactory.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.lib;
+package org.apache.hyracks.hdfs.lib;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 
 public class RawBinaryComparatorFactory implements IBinaryComparatorFactory {
 
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryHashFunctionFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryHashFunctionFactory.java
index f5b0377..f02f4ed 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryHashFunctionFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/RawBinaryHashFunctionFactory.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.lib;
+package org.apache.hyracks.hdfs.lib;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
 
 public class RawBinaryHashFunctionFactory implements IBinaryHashFunctionFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextKeyValueParserFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextKeyValueParserFactory.java
index 62cd76a..c517c78 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextKeyValueParserFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextKeyValueParserFactory.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.lib;
+package org.apache.hyracks.hdfs.lib;
 
 import org.apache.hadoop.io.LongWritable;
 import org.apache.hadoop.io.Text;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.hdfs.api.IKeyValueParser;
-import edu.uci.ics.hyracks.hdfs.api.IKeyValueParserFactory;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.hdfs.api.IKeyValueParser;
+import org.apache.hyracks.hdfs.api.IKeyValueParserFactory;
 
 public class TextKeyValueParserFactory implements IKeyValueParserFactory<LongWritable, Text> {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextTupleWriterFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextTupleWriterFactory.java
index 60be1f7..741a75a 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextTupleWriterFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/lib/TextTupleWriterFactory.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.lib;
+package org.apache.hyracks.hdfs.lib;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.hdfs.api.ITupleWriter;
-import edu.uci.ics.hyracks.hdfs.api.ITupleWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.hdfs.api.ITupleWriter;
+import org.apache.hyracks.hdfs.api.ITupleWriterFactory;
 
 public class TextTupleWriterFactory implements ITupleWriterFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/IPProximityNcCollectionBuilder.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/IPProximityNcCollectionBuilder.java
index a6324ad..5bbc174 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/IPProximityNcCollectionBuilder.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/IPProximityNcCollectionBuilder.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.scheduler;
+package org.apache.hyracks.hdfs.scheduler;
 
 import java.net.InetAddress;
 import java.net.UnknownHostException;
@@ -25,9 +25,9 @@
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.mapred.InputSplit;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.hdfs.api.INcCollection;
-import edu.uci.ics.hyracks.hdfs.api.INcCollectionBuilder;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.hdfs.api.INcCollection;
+import org.apache.hyracks.hdfs.api.INcCollectionBuilder;
 
 @SuppressWarnings("deprecation")
 public class IPProximityNcCollectionBuilder implements INcCollectionBuilder {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java
index cb7de30..58117c0 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs.scheduler;
+package org.apache.hyracks.hdfs.scheduler;
 
 import java.net.InetAddress;
 import java.util.ArrayList;
@@ -27,10 +27,10 @@
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.mapred.InputSplit;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.hdfs.api.INcCollection;
-import edu.uci.ics.hyracks.hdfs.api.INcCollectionBuilder;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.hdfs.api.INcCollection;
+import org.apache.hyracks.hdfs.api.INcCollectionBuilder;
 
 @SuppressWarnings("deprecation")
 public class RackAwareNcCollectionBuilder implements INcCollectionBuilder {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/Scheduler.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/Scheduler.java
index 167d02b..81f89ab 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/Scheduler.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/scheduler/Scheduler.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.scheduler;
+package org.apache.hyracks.hdfs.scheduler;
 
 import java.io.IOException;
 import java.net.InetAddress;
@@ -31,14 +31,14 @@
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.mapred.InputSplit;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.hdfs.api.INcCollection;
-import edu.uci.ics.hyracks.hdfs.api.INcCollectionBuilder;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.hdfs.api.INcCollection;
+import org.apache.hyracks.hdfs.api.INcCollectionBuilder;
 
 /**
  * The scheduler conduct data-local scheduling for data reading on HDFS. This
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
index 73428ad..7210f8c 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs2.dataflow;
+package org.apache.hyracks.hdfs2.dataflow;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -22,7 +22,7 @@
 
 import org.apache.hadoop.mapreduce.Job;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class ConfFactory implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
index 0917078..c83b7c9 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs2.dataflow;
+package org.apache.hyracks.hdfs2.dataflow;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -27,7 +27,7 @@
 
 import org.apache.hadoop.mapreduce.lib.input.FileSplit;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 @SuppressWarnings("rawtypes")
 public class FileSplitsFactory implements Serializable {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java
index bc47360..66fbc24 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs2.dataflow;
+package org.apache.hyracks.hdfs2.dataflow;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -27,18 +27,18 @@
 import org.apache.hadoop.mapreduce.lib.input.FileSplit;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.ContextFactory;
-import edu.uci.ics.hyracks.hdfs.api.IKeyValueParser;
-import edu.uci.ics.hyracks.hdfs.api.IKeyValueParserFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.hdfs.ContextFactory;
+import org.apache.hyracks.hdfs.api.IKeyValueParser;
+import org.apache.hyracks.hdfs.api.IKeyValueParserFactory;
 
 /**
  * The HDFS file read operator using the Hadoop new API. To use this operator, a
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
index 0d24ee5..7de860a 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs2.dataflow;
+package org.apache.hyracks.hdfs2.dataflow;
 
 import java.io.File;
 import java.nio.ByteBuffer;
@@ -24,19 +24,19 @@
 import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-import edu.uci.ics.hyracks.hdfs.api.ITupleWriter;
-import edu.uci.ics.hyracks.hdfs.api.ITupleWriterFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
+import org.apache.hyracks.hdfs.api.ITupleWriter;
+import org.apache.hyracks.hdfs.api.ITupleWriterFactory;
 
 /**
  * The HDFS file write operator using the Hadoop new API. To use this operator,
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/Scheduler.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/Scheduler.java
index 85f80ac..62629b7 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/Scheduler.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/Scheduler.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs2.scheduler;
+package org.apache.hyracks.hdfs2.scheduler;
 
 import java.util.List;
 import java.util.Map;
 
 import org.apache.hadoop.mapreduce.InputSplit;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.hdfs.api.INcCollectionBuilder;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.hdfs.api.INcCollectionBuilder;
 
 /**
  * The scheduler conduct data-local scheduling for data reading on HDFS.
@@ -33,7 +33,7 @@
 @SuppressWarnings("deprecation")
 public class Scheduler {
 
-    private edu.uci.ics.hyracks.hdfs.scheduler.Scheduler scheduler;
+    private org.apache.hyracks.hdfs.scheduler.Scheduler scheduler;
 
     /**
      * The constructor of the scheduler
@@ -42,7 +42,7 @@
      * @throws HyracksException
      */
     public Scheduler(String ipAddress, int port) throws HyracksException {
-        scheduler = new edu.uci.ics.hyracks.hdfs.scheduler.Scheduler(ipAddress, port);
+        scheduler = new org.apache.hyracks.hdfs.scheduler.Scheduler(ipAddress, port);
     }
 
     /**
@@ -53,7 +53,7 @@
      * @throws HyracksException
      */
     public Scheduler(Map<String, NodeControllerInfo> ncNameToNcInfos) throws HyracksException {
-        scheduler = new edu.uci.ics.hyracks.hdfs.scheduler.Scheduler(ncNameToNcInfos);
+        scheduler = new org.apache.hyracks.hdfs.scheduler.Scheduler(ncNameToNcInfos);
     }
 
     /**
@@ -66,7 +66,7 @@
      * @throws HyracksException
      */
     public Scheduler(Map<String, NodeControllerInfo> ncNameToNcInfos, ClusterTopology topology) throws HyracksException {
-        scheduler = new edu.uci.ics.hyracks.hdfs.scheduler.Scheduler(ncNameToNcInfos, topology);
+        scheduler = new org.apache.hyracks.hdfs.scheduler.Scheduler(ncNameToNcInfos, topology);
     }
 
     /**
@@ -78,7 +78,7 @@
      */
     public Scheduler(Map<String, NodeControllerInfo> ncNameToNcInfos, INcCollectionBuilder builder)
             throws HyracksException {
-        scheduler = new edu.uci.ics.hyracks.hdfs.scheduler.Scheduler(ncNameToNcInfos, builder);
+        scheduler = new org.apache.hyracks.hdfs.scheduler.Scheduler(ncNameToNcInfos, builder);
     }
 
     /**
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/WrappedFileSplit.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/WrappedFileSplit.java
index fe13ced..53b2521 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/WrappedFileSplit.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/scheduler/WrappedFileSplit.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.hdfs2.scheduler;
+package org.apache.hyracks.hdfs2.scheduler;
 
 import java.io.DataInput;
 import java.io.DataOutput;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/dataflow/DataflowTest.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/dataflow/DataflowTest.java
index 61c5a1c..48bc925 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/dataflow/DataflowTest.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/dataflow/DataflowTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.dataflow;
+package org.apache.hyracks.hdfs.dataflow;
 
 import java.io.DataOutputStream;
 import java.io.File;
@@ -34,30 +34,30 @@
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.TextInputFormat;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.hdfs.lib.RawBinaryComparatorFactory;
-import edu.uci.ics.hyracks.hdfs.lib.RawBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.hdfs.lib.TextKeyValueParserFactory;
-import edu.uci.ics.hyracks.hdfs.lib.TextTupleWriterFactory;
-import edu.uci.ics.hyracks.hdfs.scheduler.Scheduler;
-import edu.uci.ics.hyracks.hdfs.utils.HyracksUtils;
-import edu.uci.ics.hyracks.hdfs.utils.TestUtils;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.hdfs.lib.RawBinaryComparatorFactory;
+import org.apache.hyracks.hdfs.lib.RawBinaryHashFunctionFactory;
+import org.apache.hyracks.hdfs.lib.TextKeyValueParserFactory;
+import org.apache.hyracks.hdfs.lib.TextTupleWriterFactory;
+import org.apache.hyracks.hdfs.scheduler.Scheduler;
+import org.apache.hyracks.hdfs.utils.HyracksUtils;
+import org.apache.hyracks.hdfs.utils.TestUtils;
 
 /**
- * Test the edu.uci.ics.hyracks.hdfs.dataflow package,
+ * Test the org.apache.hyracks.hdfs.dataflow package,
  * the operators for the Hadoop old API.
  */
 @SuppressWarnings({ "deprecation" })
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/scheduler/SchedulerTest.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/scheduler/SchedulerTest.java
index 78f2703..bf170f0 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/scheduler/SchedulerTest.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/scheduler/SchedulerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.scheduler;
+package org.apache.hyracks.hdfs.scheduler;
 
 import java.io.FileReader;
 import java.io.IOException;
@@ -30,11 +30,11 @@
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.client.NodeStatus;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
-import edu.uci.ics.hyracks.api.topology.ClusterTopology;
-import edu.uci.ics.hyracks.api.topology.TopologyDefinitionParser;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.client.NodeStatus;
+import org.apache.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.topology.ClusterTopology;
+import org.apache.hyracks.api.topology.TopologyDefinitionParser;
 
 @SuppressWarnings("deprecation")
 public class SchedulerTest extends TestCase {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/HyracksUtils.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/HyracksUtils.java
index 1d0c280..e2c3696 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/HyracksUtils.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/HyracksUtils.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.utils;
+package org.apache.hyracks.hdfs.utils;
 
 import java.util.EnumSet;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.job.JobFlag;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.nc.NodeControllerService;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.job.JobFlag;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.control.cc.ClusterControllerService;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.nc.NodeControllerService;
 
 public class HyracksUtils {
 
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/TestUtils.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/TestUtils.java
index 9d08bdb..eb1c2be 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/TestUtils.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs/utils/TestUtils.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs.utils;
+package org.apache.hyracks.hdfs.utils;
 
 import java.io.BufferedReader;
 import java.io.File;
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/dataflow/DataflowTest.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/dataflow/DataflowTest.java
index baa4dc7..19c853d 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/dataflow/DataflowTest.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/dataflow/DataflowTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs2.dataflow;
+package org.apache.hyracks.hdfs2.dataflow;
 
 import java.io.DataOutputStream;
 import java.io.File;
@@ -37,31 +37,31 @@
 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
 import org.apache.hadoop.util.ReflectionUtils;
 
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.hdfs.MiniDFSClusterFactory;
-import edu.uci.ics.hyracks.hdfs.lib.RawBinaryComparatorFactory;
-import edu.uci.ics.hyracks.hdfs.lib.RawBinaryHashFunctionFactory;
-import edu.uci.ics.hyracks.hdfs.lib.TextKeyValueParserFactory;
-import edu.uci.ics.hyracks.hdfs.lib.TextTupleWriterFactory;
-import edu.uci.ics.hyracks.hdfs.utils.HyracksUtils;
-import edu.uci.ics.hyracks.hdfs.utils.TestUtils;
-import edu.uci.ics.hyracks.hdfs2.scheduler.Scheduler;
+import org.apache.hyracks.api.client.HyracksConnection;
+import org.apache.hyracks.api.client.IHyracksClientConnection;
+import org.apache.hyracks.api.constraints.PartitionConstraintHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.JobSpecification;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
+import org.apache.hyracks.dataflow.std.connectors.MToNPartitioningMergingConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
+import org.apache.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import org.apache.hyracks.hdfs.MiniDFSClusterFactory;
+import org.apache.hyracks.hdfs.lib.RawBinaryComparatorFactory;
+import org.apache.hyracks.hdfs.lib.RawBinaryHashFunctionFactory;
+import org.apache.hyracks.hdfs.lib.TextKeyValueParserFactory;
+import org.apache.hyracks.hdfs.lib.TextTupleWriterFactory;
+import org.apache.hyracks.hdfs.utils.HyracksUtils;
+import org.apache.hyracks.hdfs.utils.TestUtils;
+import org.apache.hyracks.hdfs2.scheduler.Scheduler;
 
 /**
- * Test the edu.uci.ics.hyracks.hdfs2.dataflow package,
+ * Test the org.apache.hyracks.hdfs2.dataflow package,
  * the operators for the Hadoop new API.
  */
 public class DataflowTest extends TestCase {
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/scheduler/SchedulerTest.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/scheduler/SchedulerTest.java
index 2bea1f7..80817fc 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/scheduler/SchedulerTest.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/test/java/org/apache/hyracks/hdfs2/scheduler/SchedulerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.hdfs2.scheduler;
+package org.apache.hyracks.hdfs2.scheduler;
 
 import java.net.InetAddress;
 import java.util.ArrayList;
@@ -28,9 +28,9 @@
 import org.apache.hadoop.mapreduce.InputSplit;
 import org.apache.hadoop.mapreduce.lib.input.FileSplit;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.client.NodeStatus;
-import edu.uci.ics.hyracks.api.comm.NetworkAddress;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.client.NodeStatus;
+import org.apache.hyracks.api.comm.NetworkAddress;
 
 /**
  * Test case for the new HDFS API scheduler
diff --git a/hyracks/hyracks-hdfs/pom.xml b/hyracks/hyracks-hdfs/pom.xml
index 806ef21..d6599cc 100644
--- a/hyracks/hyracks-hdfs/pom.xml
+++ b/hyracks/hyracks-hdfs/pom.xml
@@ -20,7 +20,7 @@
   <name>hyracks-hdfs</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-ipc/pom.xml b/hyracks/hyracks-ipc/pom.xml
index 1c1c5bb..edb03f1 100644
--- a/hyracks/hyracks-ipc/pom.xml
+++ b/hyracks/hyracks-ipc/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-ipc</artifactId>
   <name>hyracks-ipc</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCHandle.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCHandle.java
index bb43a8c..b22e674 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCHandle.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCHandle.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.api;
+package org.apache.hyracks.ipc.api;
 
 import java.net.InetSocketAddress;
 
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public interface IIPCHandle {
     public InetSocketAddress getRemoteAddress();
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCI.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCI.java
index 4221c7a..865d6e9 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCI.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IIPCI.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.api;
+package org.apache.hyracks.ipc.api;
 
 public interface IIPCI {
     public void deliverIncomingMessage(IIPCHandle handle, long mid, long rmid, Object payload, Exception exception);
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPCPerformanceCounters.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPCPerformanceCounters.java
index 80eeb98..8ae6bda 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPCPerformanceCounters.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPCPerformanceCounters.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.api;
+package org.apache.hyracks.ipc.api;
 
 import java.util.concurrent.atomic.AtomicLong;
 
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPayloadSerializerDeserializer.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPayloadSerializerDeserializer.java
index 8cace63..63247ed 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPayloadSerializerDeserializer.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IPayloadSerializerDeserializer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.api;
+package org.apache.hyracks.ipc.api;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IResponseCallback.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IResponseCallback.java
index 83cf2b4..a9c39ea 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IResponseCallback.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/IResponseCallback.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.api;
+package org.apache.hyracks.ipc.api;
 
 public interface IResponseCallback {
     public void callback(IIPCHandle handle, Object response, Exception exception);
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/RPCInterface.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/RPCInterface.java
index e2881ae..7eb8258 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/RPCInterface.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/api/RPCInterface.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.api;
+package org.apache.hyracks.ipc.api;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public class RPCInterface implements IIPCI {
     private final Map<Long, Request> reqMap;
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/exceptions/IPCException.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/exceptions/IPCException.java
index 1b41493..7a3d00e 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/exceptions/IPCException.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/exceptions/IPCException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.exceptions;
+package org.apache.hyracks.ipc.exceptions;
 
 public class IPCException extends Exception {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HandleState.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HandleState.java
index d597741..484c92f 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HandleState.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/HandleState.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.impl;
+package org.apache.hyracks.ipc.impl;
 
 enum HandleState {
     INITIAL,
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCConnectionManager.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCConnectionManager.java
index 00f1f46..95a965b 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCConnectionManager.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCConnectionManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.impl;
+package org.apache.hyracks.ipc.impl;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCHandle.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCHandle.java
index 337440f..f07e561 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCHandle.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCHandle.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.impl;
+package org.apache.hyracks.ipc.impl;
 
 import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
 import java.nio.channels.SelectionKey;
 
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 final class IPCHandle implements IIPCHandle {
     private static final int DEFAULT_BUFFER_SIZE = 1024 * 1024;
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
index 35525c0..4c0b310 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.impl;
+package org.apache.hyracks.ipc.impl;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.util.concurrent.atomic.AtomicLong;
 
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.IIPCI;
-import edu.uci.ics.hyracks.ipc.api.IPCPerformanceCounters;
-import edu.uci.ics.hyracks.ipc.api.IPayloadSerializerDeserializer;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.IIPCI;
+import org.apache.hyracks.ipc.api.IPCPerformanceCounters;
+import org.apache.hyracks.ipc.api.IPayloadSerializerDeserializer;
+import org.apache.hyracks.ipc.exceptions.IPCException;
 
 public class IPCSystem {
     private final IPCConnectionManager cMgr;
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/JavaSerializationBasedPayloadSerializerDeserializer.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/JavaSerializationBasedPayloadSerializerDeserializer.java
index 2bd8571..723c92c 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/JavaSerializationBasedPayloadSerializerDeserializer.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/JavaSerializationBasedPayloadSerializerDeserializer.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.impl;
+package org.apache.hyracks.ipc.impl;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -21,7 +21,7 @@
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.ipc.api.IPayloadSerializerDeserializer;
+import org.apache.hyracks.ipc.api.IPayloadSerializerDeserializer;
 
 public class JavaSerializationBasedPayloadSerializerDeserializer implements IPayloadSerializerDeserializer {
     @Override
diff --git a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/Message.java b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/Message.java
index b510815..9e46f5b 100644
--- a/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/Message.java
+++ b/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/Message.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.impl;
+package org.apache.hyracks.ipc.impl;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.ipc.api.IPayloadSerializerDeserializer;
+import org.apache.hyracks.ipc.api.IPayloadSerializerDeserializer;
 
 class Message {
     private static final int MSG_SIZE_SIZE = 4;
diff --git a/hyracks/hyracks-ipc/src/test/java/org/apache/hyracks/ipc/tests/IPCTest.java b/hyracks/hyracks-ipc/src/test/java/org/apache/hyracks/ipc/tests/IPCTest.java
index d2c9b90..34d5544 100644
--- a/hyracks/hyracks-ipc/src/test/java/org/apache/hyracks/ipc/tests/IPCTest.java
+++ b/hyracks/hyracks-ipc/src/test/java/org/apache/hyracks/ipc/tests/IPCTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.ipc.tests;
+package org.apache.hyracks.ipc.tests;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -23,12 +23,12 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.ipc.api.IIPCHandle;
-import edu.uci.ics.hyracks.ipc.api.IIPCI;
-import edu.uci.ics.hyracks.ipc.api.RPCInterface;
-import edu.uci.ics.hyracks.ipc.exceptions.IPCException;
-import edu.uci.ics.hyracks.ipc.impl.IPCSystem;
-import edu.uci.ics.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
+import org.apache.hyracks.ipc.api.IIPCHandle;
+import org.apache.hyracks.ipc.api.IIPCI;
+import org.apache.hyracks.ipc.api.RPCInterface;
+import org.apache.hyracks.ipc.exceptions.IPCException;
+import org.apache.hyracks.ipc.impl.IPCSystem;
+import org.apache.hyracks.ipc.impl.JavaSerializationBasedPayloadSerializerDeserializer;
 
 public class IPCTest {
     @Test
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml
index dc0fe09..7a7ce27 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml
@@ -19,7 +19,7 @@
   <name>Hyracks VirtualCluster Maven Plugin</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-maven-plugins</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksMojo.java b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksMojo.java
index cdcf52f..0e3da83 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksMojo.java
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksMojo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.maven.plugin;
+package org.apache.hyracks.maven.plugin;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksServerMojo.java b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksServerMojo.java
index 0657fcf..a6de18f 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksServerMojo.java
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/AbstractHyracksServerMojo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.maven.plugin;
+package org.apache.hyracks.maven.plugin;
 
 import java.io.File;
 
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksCCStartMojo.java b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksCCStartMojo.java
index d701aa9..5363ab1 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksCCStartMojo.java
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksCCStartMojo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.maven.plugin;
+package org.apache.hyracks.maven.plugin;
 
 import java.io.File;
 
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksNCStartMojo.java b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksNCStartMojo.java
index ecd2575..c4be034 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksNCStartMojo.java
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksNCStartMojo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.maven.plugin;
+package org.apache.hyracks.maven.plugin;
 
 import java.io.File;
 
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksServiceRegistry.java b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksServiceRegistry.java
index cd8955a..c9c2807 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksServiceRegistry.java
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksServiceRegistry.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.maven.plugin;
+package org.apache.hyracks.maven.plugin;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksStopServicesMojo.java b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksStopServicesMojo.java
index aa8b907..e28f8eb 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksStopServicesMojo.java
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/src/main/java/org/apache/hyracks/maven/plugin/HyracksStopServicesMojo.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.maven.plugin;
+package org.apache.hyracks.maven.plugin;
 
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
diff --git a/hyracks/hyracks-maven-plugins/pom.xml b/hyracks/hyracks-maven-plugins/pom.xml
index 02e7857..9c3edb0 100644
--- a/hyracks/hyracks-maven-plugins/pom.xml
+++ b/hyracks/hyracks-maven-plugins/pom.xml
@@ -19,7 +19,7 @@
   <name>hyracks-maven-plugins</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-net/pom.xml b/hyracks/hyracks-net/pom.xml
index 7b1fade..32384f8 100644
--- a/hyracks/hyracks-net/pom.xml
+++ b/hyracks/hyracks-net/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-net</artifactId>
   <name>hyracks-net</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/IBufferAcceptor.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/IBufferAcceptor.java
index e6262ec..b188380 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/IBufferAcceptor.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/IBufferAcceptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.buffers;
+package org.apache.hyracks.net.buffers;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/ICloseableBufferAcceptor.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/ICloseableBufferAcceptor.java
index 2a2c39e..3701759 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/ICloseableBufferAcceptor.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/buffers/ICloseableBufferAcceptor.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.buffers;
+package org.apache.hyracks.net.buffers;
 
 /**
  * A buffer acceptor that can be closed to indicate end of transmission or an error code
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/exceptions/NetException.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/exceptions/NetException.java
index 4928255..dad9ab3 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/exceptions/NetException.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/exceptions/NetException.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.exceptions;
+package org.apache.hyracks.net.exceptions;
 
 public class NetException extends Exception {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelControlBlock.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelControlBlock.java
index 6b9364d..be78e02 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelControlBlock.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelControlBlock.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -24,9 +24,9 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
-import edu.uci.ics.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.exceptions.NetException;
 
 /**
  * Handle to a channel that represents a logical full-duplex communication end-point.
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
index d59bfc4..2d71380 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.util.Arrays;
 import java.util.BitSet;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.exceptions.NetException;
 
 public class ChannelSet {
     private static final Logger LOGGER = Logger.getLogger(ChannelSet.class.getName());
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IBufferFactory.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IBufferFactory.java
index 5abba95..39a68e2 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IBufferFactory.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IBufferFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelOpenListener.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelOpenListener.java
index c9c3d49..0594056 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelOpenListener.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelOpenListener.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 /**
  * Callback interface to report opening of channels.
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelReadInterface.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelReadInterface.java
index eb683eb..7c8980a 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelReadInterface.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelReadInterface.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
 
 /**
  * Represents the read interface of a {@link ChannelControlBlock}.
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelWriteInterface.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelWriteInterface.java
index 42516ea..71eae7f 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelWriteInterface.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IChannelWriteInterface.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
 
 /**
  * Represents the write interface of a {@link ChannelControlBlock}.
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IEventCounter.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IEventCounter.java
index a56bed3..a7a6191 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IEventCounter.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/IEventCounter.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 public interface IEventCounter {
     public void increment();
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MultiplexedConnection.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MultiplexedConnection.java
index 54a2641..8407aa8 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MultiplexedConnection.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MultiplexedConnection.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -22,9 +22,9 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.net.exceptions.NetException;
-import edu.uci.ics.hyracks.net.protocols.tcp.ITCPConnectionEventListener;
-import edu.uci.ics.hyracks.net.protocols.tcp.TCPConnection;
+import org.apache.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.protocols.tcp.ITCPConnectionEventListener;
+import org.apache.hyracks.net.protocols.tcp.TCPConnection;
 
 /**
  * A {@link MultiplexedConnection} can be used by clients to create multiple "channels"
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemux.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemux.java
index 7602071..2524ff8 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemux.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemux.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.net.exceptions.NetException;
-import edu.uci.ics.hyracks.net.protocols.tcp.ITCPConnectionListener;
-import edu.uci.ics.hyracks.net.protocols.tcp.TCPConnection;
-import edu.uci.ics.hyracks.net.protocols.tcp.TCPEndpoint;
+import org.apache.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.protocols.tcp.ITCPConnectionListener;
+import org.apache.hyracks.net.protocols.tcp.TCPConnection;
+import org.apache.hyracks.net.protocols.tcp.TCPEndpoint;
 
 /**
  * Multiplexed Connection Manager.
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxCommand.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxCommand.java
index efd945d..86420b8 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxCommand.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxCommand.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.exceptions.NetException;
 
 class MuxDemuxCommand {
     static final int MAX_CHANNEL_ID = Integer.MAX_VALUE - 1;
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxPerformanceCounters.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxPerformanceCounters.java
index c67ba27..18d6928 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxPerformanceCounters.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/MuxDemuxPerformanceCounters.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.muxdemux;
+package org.apache.hyracks.net.protocols.muxdemux;
 
 import java.util.concurrent.atomic.AtomicLong;
 
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionEventListener.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionEventListener.java
index 083e8b6..08c82df 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionEventListener.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionEventListener.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.tcp;
+package org.apache.hyracks.net.protocols.tcp;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.net.exceptions.NetException;
+import org.apache.hyracks.net.exceptions.NetException;
 
 public interface ITCPConnectionEventListener {
     public void notifyIOReady(TCPConnection connection, boolean readable, boolean writable) throws IOException,
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionListener.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionListener.java
index ff38af5..8b37b30 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionListener.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/ITCPConnectionListener.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.tcp;
+package org.apache.hyracks.net.protocols.tcp;
 
 import java.net.InetSocketAddress;
 
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPConnection.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPConnection.java
index 8f3784b..230be82 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPConnection.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPConnection.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.tcp;
+package org.apache.hyracks.net.protocols.tcp;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
diff --git a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPEndpoint.java b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPEndpoint.java
index 067898f..d761c22 100644
--- a/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPEndpoint.java
+++ b/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/tcp/TCPEndpoint.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.protocols.tcp;
+package org.apache.hyracks.net.protocols.tcp;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
diff --git a/hyracks/hyracks-net/src/test/java/org/apache/hyracks/net/tests/NetTest.java b/hyracks/hyracks-net/src/test/java/org/apache/hyracks/net/tests/NetTest.java
index abb6e66..f94e8d2 100644
--- a/hyracks/hyracks-net/src/test/java/org/apache/hyracks/net/tests/NetTest.java
+++ b/hyracks/hyracks-net/src/test/java/org/apache/hyracks/net/tests/NetTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.net.tests;
+package org.apache.hyracks.net.tests;
 
 import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
@@ -25,12 +25,12 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.net.buffers.IBufferAcceptor;
-import edu.uci.ics.hyracks.net.buffers.ICloseableBufferAcceptor;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.ChannelControlBlock;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.IChannelOpenListener;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MultiplexedConnection;
-import edu.uci.ics.hyracks.net.protocols.muxdemux.MuxDemux;
+import org.apache.hyracks.net.buffers.IBufferAcceptor;
+import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor;
+import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock;
+import org.apache.hyracks.net.protocols.muxdemux.IChannelOpenListener;
+import org.apache.hyracks.net.protocols.muxdemux.MultiplexedConnection;
+import org.apache.hyracks.net.protocols.muxdemux.MuxDemux;
 
 public class NetTest {
     @Test
diff --git a/hyracks/hyracks-server/docs/README b/hyracks/hyracks-server/docs/README
index 04c0ed2..06bb1e1 100644
--- a/hyracks/hyracks-server/docs/README
+++ b/hyracks/hyracks-server/docs/README
@@ -60,7 +60,7 @@
 2. Download dcache-client-0.0.1.jar from the Downloads page at http://code.google.com/p/hyracks/downloads/list
 3. Run the following command: (Replacing /path/to/file with the path to the dcache-client jar file).
 
- mvn install:install-file -DgroupId=edu.uci.ics.dcache -DartifactId=dcache-client -Dversion=0.0.1 -Dpackaging=jar -Dfile=/path/to/file/dcache-client-0.0.1.jar
+ mvn install:install-file -DgroupId=org.apache.dcache -DartifactId=dcache-client -Dversion=0.0.1 -Dpackaging=jar -Dfile=/path/to/file/dcache-client-0.0.1.jar
 
 4. Download jol.jar from the Downloads page at http://code.google.com/p/hyracks/downloads/list
 5. Run the following command: (Replacing /path/to/file with the path to the jol jar file).
diff --git a/hyracks/hyracks-server/pom.xml b/hyracks/hyracks-server/pom.xml
index 290b4da..d125b94 100644
--- a/hyracks/hyracks-server/pom.xml
+++ b/hyracks/hyracks-server/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-server</artifactId>
   <name>hyracks-server</name>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -53,15 +53,15 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.cc.CCDriver</mainClass>
                   <name>hyrackscc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <mainClass>org.apache.hyracks.control.nc.NCDriver</mainClass>
                   <name>hyracksnc</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.server.drivers.VirtualClusterDriver</mainClass>
+                  <mainClass>org.apache.hyracks.server.drivers.VirtualClusterDriver</mainClass>
                   <name>hyracks-virtual-cluster</name>
                 </program>
               </programs>
@@ -96,14 +96,14 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/drivers/VirtualClusterDriver.java b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/drivers/VirtualClusterDriver.java
index 5ef4812..ed4910e 100644
--- a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/drivers/VirtualClusterDriver.java
+++ b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/drivers/VirtualClusterDriver.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.server.drivers;
+package org.apache.hyracks.server.drivers;
 
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.server.process.HyracksCCProcess;
-import edu.uci.ics.hyracks.server.process.HyracksNCProcess;
+import org.apache.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.server.process.HyracksCCProcess;
+import org.apache.hyracks.server.process.HyracksNCProcess;
 
 public class VirtualClusterDriver {
     private static class Options {
diff --git a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksCCProcess.java b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksCCProcess.java
index a03c8b1..650293e 100644
--- a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksCCProcess.java
+++ b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksCCProcess.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.server.process;
+package org.apache.hyracks.server.process;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.control.cc.CCDriver;
-import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
+import org.apache.hyracks.control.cc.CCDriver;
+import org.apache.hyracks.control.common.controllers.CCConfig;
 
 public class HyracksCCProcess extends HyracksServerProcess {
     private CCConfig config;
diff --git a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksNCProcess.java b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksNCProcess.java
index 852d635..bf4508f 100644
--- a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksNCProcess.java
+++ b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksNCProcess.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.server.process;
+package org.apache.hyracks.server.process;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
-import edu.uci.ics.hyracks.control.nc.NCDriver;
+import org.apache.hyracks.control.common.controllers.NCConfig;
+import org.apache.hyracks.control.nc.NCDriver;
 
 public class HyracksNCProcess extends HyracksServerProcess {
     private NCConfig config;
diff --git a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksServerProcess.java b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksServerProcess.java
index 53f3121..d98a79a 100644
--- a/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksServerProcess.java
+++ b/hyracks/hyracks-server/src/main/java/org/apache/hyracks/server/process/HyracksServerProcess.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.server.process;
+package org.apache.hyracks.server.process;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/hyracks/hyracks-storage-am-bloomfilter/pom.xml b/hyracks/hyracks-storage-am-bloomfilter/pom.xml
index a7acb4e..e7b1d53 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/pom.xml
+++ b/hyracks/hyracks-storage-am-bloomfilter/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-bloomfilter</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -47,7 +47,7 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomCalculations.java b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomCalculations.java
index 9c9a7be..72dd32d 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomCalculations.java
+++ b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomCalculations.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.impls;
+package org.apache.hyracks.storage.am.bloomfilter.impls;
 
 /**
  * This class has been taken from cassandra source code with minor modifications.
diff --git a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilter.java b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
index 768841a..f20cc27 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
+++ b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.impls;
+package org.apache.hyracks.storage.am.bloomfilter.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class BloomFilter {
 
diff --git a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterFactory.java b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterFactory.java
index d430e54..1dc0962 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterFactory.java
+++ b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.impls;
+package org.apache.hyracks.storage.am.bloomfilter.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class BloomFilterFactory {
     private final IBufferCache bufferCache;
diff --git a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterSpecification.java b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterSpecification.java
index 0c5d7c8..92fd344 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterSpecification.java
+++ b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/BloomFilterSpecification.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.impls;
+package org.apache.hyracks.storage.am.bloomfilter.impls;
 
 public final class BloomFilterSpecification {
     private final int numHashes;
diff --git a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/MurmurHash128Bit.java b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/MurmurHash128Bit.java
index 0bc0a7f..b609127 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/MurmurHash128Bit.java
+++ b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/MurmurHash128Bit.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.impls;
+package org.apache.hyracks.storage.am.bloomfilter.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * The idea of this class is borrowed from http://murmurhash.googlepages.com/ and cassandra source code.
diff --git a/hyracks/hyracks-storage-am-btree/pom.xml b/hyracks/hyracks-storage-am-btree/pom.xml
index 42f06d8..f6eb958 100644
--- a/hyracks/hyracks-storage-am-btree/pom.xml
+++ b/hyracks/hyracks-storage-am-btree/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-am-btree</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,28 +49,28 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
         <dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeFrame.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeFrame.java
index dbb4a5f..1944493 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeFrame.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeFrame.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.api;
+package org.apache.hyracks.storage.am.btree.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 public interface IBTreeFrame extends ITreeIndexFrame {
     public int findInsertTupleIndex(ITupleReference tuple) throws TreeIndexException;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeInteriorFrame.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeInteriorFrame.java
index 61dd98e..672679f 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeInteriorFrame.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeInteriorFrame.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.api;
+package org.apache.hyracks.storage.am.btree.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
 
 public interface IBTreeInteriorFrame extends IBTreeFrame {
     public int getChildPageId(RangePredicate pred) throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeLeafFrame.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeLeafFrame.java
index 5b17ae6..4dd65ae 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeLeafFrame.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IBTreeLeafFrame.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.api;
+package org.apache.hyracks.storage.am.btree.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface IBTreeLeafFrame extends IBTreeFrame {
     public int findTupleIndex(ITupleReference searchKey, ITreeIndexTupleReference pageTuple, MultiComparator cmp,
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IPrefixSlotManager.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IPrefixSlotManager.java
index d6b34de..b190149 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IPrefixSlotManager.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/IPrefixSlotManager.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.api;
+package org.apache.hyracks.storage.am.btree.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ISlotManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ISlotManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 /**
  * A slot consists of two fields. The first field is 1 byte and it indicates the slot number of
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/ITupleAcceptor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/ITupleAcceptor.java
index b455ef9..5686c65 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/ITupleAcceptor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/api/ITupleAcceptor.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.api;
+package org.apache.hyracks.storage.am.btree.api;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public interface ITupleAcceptor {
     public boolean accept(ITupleReference tuple);
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/compressors/FieldPrefixCompressor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/compressors/FieldPrefixCompressor.java
index 84369f8..8f7f787 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/compressors/FieldPrefixCompressor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/compressors/FieldPrefixCompressor.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.compressors;
+package org.apache.hyracks.storage.am.btree.compressors;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.api.IPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.FieldPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.impls.FieldPrefixTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameCompressor;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.api.IPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.FieldPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.impls.FieldPrefixTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameCompressor;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
 
 public class FieldPrefixCompressor implements ITreeIndexFrameCompressor {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelper.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelper.java
index 01376c1..4253112 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelper.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.dataflow;
+package org.apache.hyracks.storage.am.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDataflowHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexDataflowHelper;
 
 public class BTreeDataflowHelper extends TreeIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelperFactory.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelperFactory.java
index 8652ed3..a445154 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeDataflowHelperFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.dataflow;
+package org.apache.hyracks.storage.am.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
 
 public class BTreeDataflowHelperFactory implements IIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java
index 48f253c..745f30c 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.dataflow;
+package org.apache.hyracks.storage.am.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class BTreeSearchOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java
index 020adca..f1f537e 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree.dataflow;
+package org.apache.hyracks.storage.am.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
 
 public class BTreeSearchOperatorNodePushable extends IndexSearchOperatorNodePushable {
     protected final boolean lowKeyInclusive;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorDescriptor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorDescriptor.java
index afea036..3b3e63b 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorDescriptor.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.dataflow;
+package org.apache.hyracks.storage.am.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleUpdaterFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleUpdaterFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
 
 public class BTreeUpdateSearchOperatorDescriptor extends BTreeSearchOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorNodePushable.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorNodePushable.java
index 785258f..fc55281 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/dataflow/BTreeUpdateSearchOperatorNodePushable.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.dataflow;
+package org.apache.hyracks.storage.am.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleUpdater;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITupleUpdater;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
 
 public class BTreeUpdateSearchOperatorNodePushable extends BTreeSearchOperatorNodePushable {
     private final ITupleUpdater tupleUpdater;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeException.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeException.java
index f34e8da..a9c269b 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeException.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeException.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.exceptions;
+package org.apache.hyracks.storage.am.btree.exceptions;
 
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 public class BTreeException extends TreeIndexException {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeNotUpdateableException.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeNotUpdateableException.java
index 3062d08..605f2d1 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeNotUpdateableException.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/exceptions/BTreeNotUpdateableException.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.exceptions;
+package org.apache.hyracks.storage.am.btree.exceptions;
 
 public class BTreeNotUpdateableException extends BTreeException {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrame.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrame.java
index e320c26..55ce3d9 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrame.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrame.java
@@ -13,37 +13,37 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.IPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.compressors.FieldPrefixCompressor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
-import edu.uci.ics.hyracks.storage.am.btree.impls.FieldPrefixPrefixTupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.FieldPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.impls.FieldPrefixTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameCompressor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.api.IPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.compressors.FieldPrefixCompressor;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
+import org.apache.hyracks.storage.am.btree.impls.FieldPrefixPrefixTupleReference;
+import org.apache.hyracks.storage.am.btree.impls.FieldPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.impls.FieldPrefixTupleReference;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameCompressor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 /**
  * WARNING: only works when tupleWriter is an instance of TypeAwareTupleWriter
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrameFactory.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrameFactory.java
index cdb2125..9fa694c 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrameFactory.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeFieldPrefixNSMLeafFrameFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class BTreeFieldPrefixNSMLeafFrameFactory implements ITreeIndexFrameFactory {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeLeafFrameType.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeLeafFrameType.java
index 25028f5..28b812c 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeLeafFrameType.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeLeafFrameType.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
 public enum BTreeLeafFrameType {
     REGULAR_NSM,
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrame.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrame.java
index 562511d..b7373be 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrame.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrame.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.frames.TreeIndexNSMFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.frames.TreeIndexNSMFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
 
 public class BTreeNSMInteriorFrame extends TreeIndexNSMFrame implements IBTreeInteriorFrame {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrameFactory.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrameFactory.java
index d13aa2b..d47a380 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrameFactory.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMInteriorFrameFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class BTreeNSMInteriorFrameFactory implements ITreeIndexFrameFactory {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrame.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrame.java
index 2fa5b5d..e724cbb 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrame.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrame.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.frames.TreeIndexNSMFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.frames.TreeIndexNSMFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class BTreeNSMLeafFrame extends TreeIndexNSMFrame implements IBTreeLeafFrame {
     protected static final int nextLeafOff = smFlagOff + 1;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrameFactory.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrameFactory.java
index 70b1537..2d99b0b 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrameFactory.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/BTreeNSMLeafFrameFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class BTreeNSMLeafFrameFactory implements ITreeIndexFrameFactory {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/OrderedSlotManager.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/OrderedSlotManager.java
index 42af3e9..0c8c775 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/OrderedSlotManager.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/frames/OrderedSlotManager.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.frames;
+package org.apache.hyracks.storage.am.btree.frames;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.frames.AbstractSlotManager;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.frames.AbstractSlotManager;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class OrderedSlotManager extends AbstractSlotManager {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java
index be0d2ce..ede20af 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -21,51 +21,51 @@
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.ITupleAcceptor;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeNotUpdateableException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.UnsortedInputException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractTreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.impls.NodeFrontier;
-import edu.uci.ics.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.api.IBTreeFrame;
+import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.api.ITupleAcceptor;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeNotUpdateableException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext.PageValidationInfo;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.api.UnsortedInputException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.impls.AbstractTreeIndex;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.impls.NodeFrontier;
+import org.apache.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class BTree extends AbstractTreeIndex {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java
index a225540..d3dd3d8 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class BTreeCountingSearchCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java
index 546f385..61436b1 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class BTreeCursorInitialState implements ICursorInitialState {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java
index ca3b17e..f6fc86a 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java
@@ -13,32 +13,32 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
 import java.util.ArrayDeque;
 import java.util.Deque;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.ITupleAcceptor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IntArrayList;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.LongArrayList;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.api.ITupleAcceptor;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.IntArrayList;
+import org.apache.hyracks.storage.am.common.ophelpers.LongArrayList;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class BTreeOpContext implements IIndexOperationContext {
     private final int INIT_ARRAYLIST_SIZE = 6;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java
index 584af4e..bb60e6a 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java
@@ -13,27 +13,27 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class BTreeRangeSearchCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeSplitKey.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeSplitKey.java
index c39c6df..bada492 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeSplitKey.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeSplitKey.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class BTreeSplitKey implements ISplitKey {
     public final ITreeIndexTupleReference tuple;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixPrefixTupleReference.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixPrefixTupleReference.java
index e8c347a..88a0382 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixPrefixTupleReference.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixPrefixTupleReference.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.btree.api.IPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.btree.api.IPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
 
 public class FieldPrefixPrefixTupleReference extends TypeAwareTupleReference {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixSlotManager.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixSlotManager.java
index e814087..29f65ed 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixSlotManager.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixSlotManager.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class FieldPrefixSlotManager implements IPrefixSlotManager {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixTupleReference.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixTupleReference.java
index c2416e6..5341eb7 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixTupleReference.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/FieldPrefixTupleReference.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.storage.am.btree.api.IPrefixSlotManager;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.btree.api.IPrefixSlotManager;
+import org.apache.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class FieldPrefixTupleReference implements ITreeIndexTupleReference {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/NodeFrontier.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/NodeFrontier.java
index 16e11e8..1a1ee9d 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/NodeFrontier.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/NodeFrontier.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class NodeFrontier {
     public ICachedPage page;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/RangePredicate.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/RangePredicate.java
index 9038345..df1107b 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/RangePredicate.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/RangePredicate.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.impls.AbstractSearchPredicate;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class RangePredicate extends AbstractSearchPredicate {
 
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/UnconditionalTupleAcceptor.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/UnconditionalTupleAcceptor.java
index 85c5eff..f4fab45 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/UnconditionalTupleAcceptor.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/UnconditionalTupleAcceptor.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree.impls;
+package org.apache.hyracks.storage.am.btree.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.ITupleAcceptor;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.ITupleAcceptor;
 
 public enum UnconditionalTupleAcceptor implements ITupleAcceptor {
     INSTANCE;
diff --git a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/util/BTreeUtils.java b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/util/BTreeUtils.java
index 012c5b4..4a32513 100644
--- a/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/util/BTreeUtils.java
+++ b/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/util/BTreeUtils.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree.util;
+package org.apache.hyracks.storage.am.btree.util;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class BTreeUtils {
     public static BTree createBTree(IBufferCache bufferCache, IFileMapProvider fileMapProvider,
diff --git a/hyracks/hyracks-storage-am-common/pom.xml b/hyracks/hyracks-storage-am-common/pom.xml
index 1d66b6a..430d645 100644
--- a/hyracks/hyracks-storage-am-common/pom.xml
+++ b/hyracks/hyracks-storage-am-common/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-am-common</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -49,28 +49,28 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ICursorInitialState.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ICursorInitialState.java
index 600643c..7dcc385 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ICursorInitialState.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ICursorInitialState.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public interface ICursorInitialState {
     public ICachedPage getPage();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManager.java
index 2ae22a7..c1384bd 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManager.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IFreePageManager {
 	public void open(int fileId);
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManagerFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManagerFactory.java
index c3add17..1302145 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManagerFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IFreePageManagerFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 public interface IFreePageManagerFactory {
     public IFreePageManager createFreePageManager();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndex.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndex.java
index 5ae96f0..fd524ae 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndex.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndex.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 /**
  * This interface describes the operations common to all indexes. Indexes
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexAccessor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexAccessor.java
index a9aaad8..46cc09b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexAccessor.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * Client handle for performing operations (insert/delete/update/search) on an
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexBulkLoader.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexBulkLoader.java
index ef1bef8..9e80801 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexBulkLoader.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexBulkLoader.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public interface IIndexBulkLoader {
     /**
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexCursor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexCursor.java
index 2cba1a2..f4a14c7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexCursor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexCursor.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public interface IIndexCursor {
     public void open(ICursorInitialState initialState, ISearchPredicate searchPred) throws IndexException,
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexDataflowHelper.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexDataflowHelper.java
index ede7c97..f95d3fc 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexDataflowHelper.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
 
 public interface IIndexDataflowHelper {
     public void create() throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManager.java
index de4ce5a..0abf4c6 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManager.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IIndexLifecycleManager {
     public IIndex getIndex(long resourceID) throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManagerProvider.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManagerProvider.java
index 8ff27d9..14b2f6c 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManagerProvider.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexLifecycleManagerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IIndexLifecycleManagerProvider extends Serializable {
     public IIndexLifecycleManager getLifecycleManager(IHyracksTaskContext ctx);
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexOperationContext.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexOperationContext.java
index 974d91c..66c3c15 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexOperationContext.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IIndexOperationContext.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
 
 public interface IIndexOperationContext {
     void setOperation(IndexOperation newOp) throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallback.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallback.java
index ab654de..9094202 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallback.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallback.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * This operation callback allows for arbitrary actions to be taken while traversing 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallbackFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallbackFactory.java
index 968acd0..71a7b18 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallbackFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IModificationOperationCallbackFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface IModificationOperationCallbackFactory extends Serializable {
     public IModificationOperationCallback createModificationOperationCallback(long resourceId, Object resource, IHyracksTaskContext ctx)
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
index 0f4d5a8..c3184e7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 public interface IPrimitiveValueProvider {
 	public double getValue(byte[] bytes, int offset);
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
index 5a49efb..423a643 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallback.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallback.java
index 2c68fde..2bbc013 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallback.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallback.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * This operation callback allows for arbitrary actions to be taken while traversing 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallbackFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallbackFactory.java
index 949205d..e6c20e7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallbackFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchOperationCallbackFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ISearchOperationCallbackFactory extends Serializable {
     public ISearchOperationCallback createSearchOperationCallback(long resourceId, IHyracksTaskContext ctx)
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchPredicate.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchPredicate.java
index 641d365..cbe4dc0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchPredicate.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISearchPredicate.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface ISearchPredicate extends Serializable {
 	public MultiComparator getLowKeyComparator();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISlotManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISlotManager.java
index e913d8f..31bafff 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISlotManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISlotManager.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface ISlotManager {
     public int findTupleIndex(ITupleReference searchKey, ITreeIndexTupleReference frameTuple, MultiComparator multiCmp,
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
index 1f7c300..5a56562 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndex.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndex.java
index e869867..453ba82 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndex.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndex.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 
 /**
  * Interface describing the operations of tree-based index structures. Indexes
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
index f2efbd3..c6d2542 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Client handle for performing operations
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexCursor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexCursor.java
index a097425..009ad7b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexCursor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexCursor.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public interface ITreeIndexCursor extends IIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrame.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrame.java
index 83613d7..3956013 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrame.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrame.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public interface ITreeIndexFrame {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameCompressor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameCompressor.java
index d358b12..81111ca 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameCompressor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameCompressor.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface ITreeIndexFrameCompressor {
     public boolean compress(ITreeIndexFrame frame, MultiComparator cmp) throws Exception;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameFactory.java
index 250bfb4..b353c96 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexFrameFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrame.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrame.java
index a7278e8..4dde2fb 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrame.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrame.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public interface ITreeIndexMetaDataFrame {
     public void initBuffer(byte level);
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
index fd7527d..2377a47 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 public interface ITreeIndexMetaDataFrameFactory {
 	public ITreeIndexMetaDataFrame createFrame();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleReference.java
index d51a2ee..5d65410 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleReference.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public interface ITreeIndexTupleReference extends ITupleReference {
     public void setFieldCount(int fieldCount);
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriter.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriter.java
index ac0eaa4..dbe1a3d 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriter.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriter.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public interface ITreeIndexTupleWriter {
     public int writeTuple(ITupleReference tuple, ByteBuffer targetBuf, int targetOff);
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
index d08ffc2..f5fa86a 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
index d61594e..445aa93 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ITupleFilter {
 	public boolean accept(IFrameTupleReference tuple) throws Exception;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilterFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilterFactory.java
index eb65e8c..984ef6d 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilterFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface ITupleFilterFactory extends Serializable {
     public ITupleFilter createTupleFilter(IHyracksTaskContext ctx) throws Exception;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
index b0aec24..e35b6d8 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * Interface for updating a tuple. Warning: By convention, this interface
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
index e9db7b5..5d8f8bf 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITwoPCIndexBulkLoader.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITwoPCIndexBulkLoader.java
index 8fda095..c0d9269 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITwoPCIndexBulkLoader.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITwoPCIndexBulkLoader.java
@@ -1,7 +1,7 @@
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /*
  * Copyright 2009-2013 by The Regents of the University of California
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IVirtualFreePageManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IVirtualFreePageManager.java
index e43907b..03e28d8 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IVirtualFreePageManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IVirtualFreePageManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 public interface IVirtualFreePageManager extends IFreePageManager {
     public int getCapacity();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IndexException.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IndexException.java
index c39d37f..bf6bd77 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IndexException.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IndexException.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 public class IndexException extends Exception {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
index 8323ac9..829072f 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 public class TreeIndexException extends IndexException {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
index dd5b7b2..5d4f55e 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.api;
+package org.apache.hyracks.storage.am.common.api;
 
 /**
  * Thrown when trying to bulk load an index with an unsorted input stream. 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/data/PointablePrimitiveValueProviderFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/data/PointablePrimitiveValueProviderFactory.java
index 82d3614..15f083f 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/data/PointablePrimitiveValueProviderFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/data/PointablePrimitiveValueProviderFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.data;
+package org.apache.hyracks.storage.am.common.data;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.api.INumeric;
-import edu.uci.ics.hyracks.data.std.api.IPointable;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.api.INumeric;
+import org.apache.hyracks.data.std.api.IPointable;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
 
 public class PointablePrimitiveValueProviderFactory implements IPrimitiveValueProviderFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractIndexOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractIndexOperatorDescriptor.java
index ee35393..2ee3902 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractIndexOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractIndexOperatorDescriptor.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 
 public abstract class AbstractIndexOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor implements
         IIndexOperatorDescriptor {
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractTreeIndexOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractTreeIndexOperatorDescriptor.java
index d907316..e936fba 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractTreeIndexOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/AbstractTreeIndexOperatorDescriptor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 
 public abstract class AbstractTreeIndexOperatorDescriptor extends AbstractIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexDataflowHelperFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexDataflowHelperFactory.java
index 0ae194b..6fee5e5 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexDataflowHelperFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
 
 public interface IIndexDataflowHelperFactory extends Serializable {
     public IIndexDataflowHelper createIndexDataflowHelper(IIndexOperatorDescriptor opDesc,
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexOperatorDescriptor.java
index 0a30ae3..792cd10 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IIndexOperatorDescriptor.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.dataflow.IActivity;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import org.apache.hyracks.api.dataflow.IActivity;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 
 public interface IIndexOperatorDescriptor extends IActivity {
     public IFileSplitProvider getFileSplitProvider();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
index 3be6ba3..99e66c8 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
 
 public interface ITreeIndexOperatorDescriptor extends IIndexOperatorDescriptor {
 	public IBinaryComparatorFactory[] getTreeIndexComparatorFactories();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexBulkLoadOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexBulkLoadOperatorNodePushable.java
index 9aec4cb..2dc98af 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexBulkLoadOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexBulkLoadOperatorNodePushable.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
 
 public class IndexBulkLoadOperatorNodePushable extends
         AbstractUnaryInputUnaryOutputOperatorNodePushable {
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexCreateOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexCreateOperatorNodePushable.java
index 117471e..8bfc8b7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexCreateOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexCreateOperatorNodePushable.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
 
 public class IndexCreateOperatorNodePushable extends AbstractOperatorNodePushable {
     private final IIndexDataflowHelper indexHelper;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDataflowHelper.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDataflowHelper.java
index d67f585..abaa5c9 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDataflowHelper.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.io.File;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.common.util.IndexFileNameUtil;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactory;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
-import edu.uci.ics.hyracks.storage.common.file.LocalResource;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.common.util.IndexFileNameUtil;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactory;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.LocalResource;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
 
 public abstract class IndexDataflowHelper implements IIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorDescriptor.java
index 4983be3..a77c6c7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorDescriptor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class IndexDropOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java
index 551b68f..a03c41a 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
 
 public class IndexDropOperatorNodePushable extends AbstractOperatorNodePushable {
     private final IIndexDataflowHelper indexHelper;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexInsertUpdateDeleteOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexInsertUpdateDeleteOperatorNodePushable.java
index 48a395b..8fcc736 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexInsertUpdateDeleteOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexInsertUpdateDeleteOperatorNodePushable.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilter;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITupleFilter;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
 
 public class IndexInsertUpdateDeleteOperatorNodePushable extends AbstractUnaryInputUnaryOutputOperatorNodePushable {
     protected final IIndexOperatorDescriptor opDesc;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexLifecycleManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexLifecycleManager.java
index 8543433..50e7c27 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexLifecycleManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexLifecycleManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.io.IOException;
 import java.io.OutputStream;
@@ -22,10 +22,10 @@
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponent;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponent;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
 
 public class IndexLifecycleManager implements IIndexLifecycleManager, ILifeCycleComponent {
     private static final long DEFAULT_MEMORY_BUDGET = 1024 * 1024 * 100; // 100 megabytes
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexRegistry.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexRegistry.java
index 757c3e9..cebe75b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexRegistry.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexRegistry.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.util.HashMap;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
index fd727cf..652e310 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriter;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.INullWriter;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
 
 public abstract class IndexSearchOperatorNodePushable extends AbstractUnaryInputUnaryOutputOperatorNodePushable {
     protected final IIndexOperatorDescriptor opDesc;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorDescriptor.java
index 92e178a..aca4685 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorDescriptor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class TreeIndexBulkLoadOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexCreateOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexCreateOperatorDescriptor.java
index a1f19ba..00564f2 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexCreateOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexCreateOperatorDescriptor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 
 public class TreeIndexCreateOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDataflowHelper.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDataflowHelper.java
index fe3eed8..94959f5 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDataflowHelper.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
 
 public abstract class TreeIndexDataflowHelper extends IndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorDescriptor.java
index 6840bd4..4ee4ac4 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorDescriptor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class TreeIndexDiskOrderScanOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorNodePushable.java
index 0db195d..5ecd0ff 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexDiskOrderScanOperatorNodePushable.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
 
 public class TreeIndexDiskOrderScanOperatorNodePushable extends AbstractUnaryOutputSourceOperatorNodePushable {
     private final AbstractTreeIndexOperatorDescriptor opDesc;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexInsertUpdateDeleteOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexInsertUpdateDeleteOperatorDescriptor.java
index 1e9903d..9ae107b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexInsertUpdateDeleteOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexInsertUpdateDeleteOperatorDescriptor.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class TreeIndexInsertUpdateDeleteOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorDescriptor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorDescriptor.java
index 4a483dc..6818159 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorDescriptor.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class TreeIndexStatsOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorNodePushable.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorNodePushable.java
index f340142..8e63a45 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/TreeIndexStatsOperatorNodePushable.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.dataflow;
+package org.apache.hyracks.storage.am.common.dataflow;
 
 import java.io.DataOutput;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexStats;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexStatsGatherer;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.util.TreeIndexStats;
+import org.apache.hyracks.storage.am.common.util.TreeIndexStatsGatherer;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class TreeIndexStatsOperatorNodePushable extends AbstractUnaryOutputSourceOperatorNodePushable {
     private final AbstractTreeIndexOperatorDescriptor opDesc;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenThread.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenThread.java
index 9c2268d..96416d5 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenThread.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenThread.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.io.IOException;
 import java.util.Random;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 
 /**
  * Quick & dirty data generator for multi-thread testing.
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenUtils.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenUtils.java
index cb9c545..a04fde5 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenUtils.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DataGenUtils.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
 
 @SuppressWarnings("rawtypes")
 public class DataGenUtils {
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DocumentStringFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DocumentStringFieldValueGenerator.java
index bfb7af2..ae754a5 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DocumentStringFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DocumentStringFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.io.BufferedReader;
 import java.io.IOException;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DoubleFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DoubleFieldValueGenerator.java
index b0ddb4d..291c352 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DoubleFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/DoubleFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.util.Random;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/FloatFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/FloatFieldValueGenerator.java
index 221c677..ab8fba9 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/FloatFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/FloatFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.util.Random;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IFieldValueGenerator.java
index 2c729a4..9b81cab 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 public interface IFieldValueGenerator<T> {
     public T next();
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IntegerFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IntegerFieldValueGenerator.java
index fa737ee..d9032af 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IntegerFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/IntegerFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.util.Random;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/PersonNameFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/PersonNameFieldValueGenerator.java
index 8022027..51ed706 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/PersonNameFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/PersonNameFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.io.BufferedReader;
 import java.io.IOException;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/ProbabilityHelper.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/ProbabilityHelper.java
index ccbdae7..4ad955b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/ProbabilityHelper.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/ProbabilityHelper.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.util.Arrays;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedDoubleFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedDoubleFieldValueGenerator.java
index ec7b6a9..7a6daad 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedDoubleFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedDoubleFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 public class SortedDoubleFieldValueGenerator implements IFieldValueGenerator<Double> {
     private double val;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedFloatFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedFloatFieldValueGenerator.java
index 11b23d2..0dec3f0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedFloatFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedFloatFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 public class SortedFloatFieldValueGenerator implements IFieldValueGenerator<Float> {
     private float val = 0.0f;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedIntegerFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedIntegerFieldValueGenerator.java
index b203f26..e7b7043 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedIntegerFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/SortedIntegerFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 public class SortedIntegerFieldValueGenerator implements IFieldValueGenerator<Integer> {
     private int val = 0;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/StringFieldValueGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/StringFieldValueGenerator.java
index 5562765..be2f8ea 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/StringFieldValueGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/StringFieldValueGenerator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.util.Random;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleBatch.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleBatch.java
index 864d2c5..9b50e30 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleBatch.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleBatch.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.io.IOException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 @SuppressWarnings("rawtypes")
 public class TupleBatch {
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleGenerator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleGenerator.java
index 38399ed..b0593a8 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleGenerator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/datagen/TupleGenerator.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.datagen;
+package org.apache.hyracks.storage.am.common.datagen;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 @SuppressWarnings({"rawtypes", "unchecked" })
 public class TupleGenerator {    
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexDuplicateKeyException.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexDuplicateKeyException.java
index 1767504..efeb850 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexDuplicateKeyException.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexDuplicateKeyException.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.exceptions;
+package org.apache.hyracks.storage.am.common.exceptions;
 
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 public class TreeIndexDuplicateKeyException extends TreeIndexException {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
index 8b62063..342ced9 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.exceptions;
+package org.apache.hyracks.storage.am.common.exceptions;
 
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 public class TreeIndexNonExistentKeyException extends TreeIndexException {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
index f2b88d4..0bd62b7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.frames;
+package org.apache.hyracks.storage.am.common.frames;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ISlotManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ISlotManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
 
 public abstract class AbstractSlotManager implements ISlotManager {
 	
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/FrameOpSpaceStatus.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/FrameOpSpaceStatus.java
index a67dca7..190d258 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/FrameOpSpaceStatus.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/FrameOpSpaceStatus.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.frames;
+package org.apache.hyracks.storage.am.common.frames;
 
 public enum FrameOpSpaceStatus {
     INSUFFICIENT_SPACE, SUFFICIENT_CONTIGUOUS_SPACE, SUFFICIENT_SPACE, SUFFICIENT_INPLACE_SPACE
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrame.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrame.java
index 5cc7602..747a31e 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrame.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrame.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.frames;
+package org.apache.hyracks.storage.am.common.frames;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 // all meta pages of this kind have a negative level
 // the first meta page has level -1, all other meta pages have level -2
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
index 9dc0444..f5e7670 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.frames;
+package org.apache.hyracks.storage.am.common.frames;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
 
 public class LIFOMetaDataFrameFactory implements ITreeIndexMetaDataFrameFactory {
 	@Override
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/TreeIndexNSMFrame.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/TreeIndexNSMFrame.java
index 16ccb15..7039a8c 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/TreeIndexNSMFrame.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/TreeIndexNSMFrame.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.frames;
+package org.apache.hyracks.storage.am.common.frames;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ISlotManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ISlotManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public abstract class TreeIndexNSMFrame implements ITreeIndexFrame {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManager.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManager.java
index a51ce98..a09aed6 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManager.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManager.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.freepage;
+package org.apache.hyracks.storage.am.common.freepage;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class LinkedListFreePageManager implements IFreePageManager {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManagerFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManagerFactory.java
index 17d0225..291dfd7 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManagerFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/LinkedListFreePageManagerFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.freepage;
+package org.apache.hyracks.storage.am.common.freepage;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LinkedListFreePageManagerFactory implements IFreePageManagerFactory {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractSearchPredicate.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractSearchPredicate.java
index c33eaab..0608c34 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractSearchPredicate.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractSearchPredicate.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.impls;
+package org.apache.hyracks.storage.am.common.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
 
 public abstract class AbstractSearchPredicate implements ISearchPredicate {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractTreeIndex.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractTreeIndex.java
index 7fdcd96..e117aab 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractTreeIndex.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/AbstractTreeIndex.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.impls;
+package org.apache.hyracks.storage.am.common.impls;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class AbstractTreeIndex implements ITreeIndex {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallback.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallback.java
index d1a61bd..95d5aa2 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallback.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallback.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.impls;
+package org.apache.hyracks.storage.am.common.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
 
 /**
  * Dummy operation callback that simply does nothing.
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallbackFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallbackFactory.java
index 7a9ae4c..7390619 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallbackFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NoOpOperationCallbackFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.impls;
+package org.apache.hyracks.storage.am.common.impls;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
 
 /**
  * Dummy NoOp callback factory used primarily for testing. Always returns the {@link NoOpOperationCallback} instance.
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NodeFrontier.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NodeFrontier.java
index af3889a..502f5e6 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NodeFrontier.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/NodeFrontier.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.impls;
+package org.apache.hyracks.storage.am.common.impls;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class NodeFrontier {
     public ICachedPage page;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java
index 7592348..ee64971 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.impls;
+package org.apache.hyracks.storage.am.common.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class TreeIndexDiskOrderScanCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/DoubleArrayList.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/DoubleArrayList.java
index 4f94179..c0c8de6 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/DoubleArrayList.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/DoubleArrayList.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class DoubleArrayList {
     private double[] data;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
index 7af7494..a7f88b0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum FindTupleMode {
 	INCLUSIVE, EXCLUSIVE, EXCLUSIVE_ERROR_IF_EXISTS, EXACT
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
index ecfe227..d4c118c 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum FindTupleNoExactMatchPolicy {
 	LOWER_KEY, HIGHER_KEY, NONE
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
index e05f03b..54f9bad 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum IndexOp {
 	INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOperation.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOperation.java
index 9d00adb..5b16c05 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOperation.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOperation.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum IndexOperation {
     INSERT,
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IntArrayList.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IntArrayList.java
index c138ddb..aecd36e 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IntArrayList.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IntArrayList.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class IntArrayList {
     private int[] data;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
index 7c462bf..b30c233 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class LongArrayList {
 	private long[] data;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/MultiComparator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/MultiComparator.java
index f9e7313..6c538a0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/MultiComparator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/MultiComparator.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class MultiComparator {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SingleComparator.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SingleComparator.java
index f32c4dd..7809ebe 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SingleComparator.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SingleComparator.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * MultiComparator optimized for the special case where there is only a single comparator.
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
index 4118480..1b25b12 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.ophelpers;
+package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class SlotOffTupleOff implements Comparable<SlotOffTupleOff> {
 	public int tupleIndex;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java
index 16a47f7..06c3fd5 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
  * WARNING: getFieldData(), getFieldStart() and getFieldLength() are log and not constant time.
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/DualTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/DualTupleReference.java
index 7e88b2c..a4aee56 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/DualTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/DualTupleReference.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class DualTupleReference implements ITupleReference {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingFrameTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingFrameTupleReference.java
index 717d932..2eb2628 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingFrameTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingFrameTupleReference.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public class PermutingFrameTupleReference implements IFrameTupleReference {
 	private IFrameTupleAccessor fta;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingTupleReference.java
index 46000f8..1c9f74d 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/PermutingTupleReference.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class PermutingTupleReference implements ITupleReference {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
index ba7e73d..169a087 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class SimpleTupleReference implements ITreeIndexTupleReference {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriter.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriter.java
index fa69971..0112f04 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriter.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriter.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
 
 public class SimpleTupleWriter implements ITreeIndexTupleWriter {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriterFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriterFactory.java
index a395da7..f66dfd6 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleWriterFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class SimpleTupleWriterFactory implements ITreeIndexTupleWriterFactory {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleReference.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleReference.java
index 8b989ba..4a8894b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleReference.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleReference.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class TypeAwareTupleReference implements ITreeIndexTupleReference {
     protected ByteBuffer buf;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriter.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriter.java
index 79edb8c..3ce7c3b 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriter.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriter.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
 
 public class TypeAwareTupleWriter implements ITreeIndexTupleWriter {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
index 896abb5..3e421b0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class TypeAwareTupleWriterFactory implements
 		ITreeIndexTupleWriterFactory {
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/VarLenIntEncoderDecoder.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/VarLenIntEncoderDecoder.java
index adbbe48..d020ac8 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/VarLenIntEncoderDecoder.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/VarLenIntEncoderDecoder.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.tuples;
+package org.apache.hyracks.storage.am.common.tuples;
 
 // encodes positive integers in a variable-byte format
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/HashMultiSet.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/HashMultiSet.java
index 31d8463..0801707 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/HashMultiSet.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/HashMultiSet.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.util;
+package org.apache.hyracks.storage.am.common.util;
 
 import java.util.AbstractCollection;
 import java.util.ArrayList;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/IndexFileNameUtil.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/IndexFileNameUtil.java
index 1fdfe28..cf414e0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/IndexFileNameUtil.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/IndexFileNameUtil.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.util;
+package org.apache.hyracks.storage.am.common.util;
 
 import java.io.File;
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
index 5b38558..f47adf0 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.util;
+package org.apache.hyracks.storage.am.common.util;
 
 import java.util.ArrayList;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IntArrayList;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.IntArrayList;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class TreeIndexBufferCacheWarmup {
 	private final IBufferCache bufferCache;
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
index 23b002f..24a12b8 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.util;
+package org.apache.hyracks.storage.am.common.util;
 
 import java.text.DecimalFormat;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
 
 public class TreeIndexStats {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
index 2426c26..2a2e39c 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common.util;
+package org.apache.hyracks.storage.am.common.util;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class TreeIndexStatsGatherer {
 
diff --git a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
index 2f177f6..2f56425 100644
--- a/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
+++ b/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common.util;
+package org.apache.hyracks.storage.am.common.util;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 @SuppressWarnings("rawtypes") 
 public class TreeIndexUtils {
diff --git a/hyracks/hyracks-storage-am-lsm-btree/pom.xml b/hyracks/hyracks-storage-am-lsm-btree/pom.xml
index 475c612..9254385 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/pom.xml
+++ b/hyracks/hyracks-storage-am-lsm-btree/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-lsm-btree</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -47,21 +47,21 @@
   </build>
   <dependencies>    
     <dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency> 
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-bloomfilter</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency> 
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-lsm-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelper.java
index b913e28..d888894 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelper.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow;
+package org.apache.hyracks.storage.am.lsm.btree.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 
 public class ExternalBTreeDataflowHelper extends LSMBTreeDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelperFactory.java
index b9457d3..9a95e98 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeDataflowHelperFactory.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow;
+package org.apache.hyracks.storage.am.lsm.btree.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 
 public class ExternalBTreeDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelper.java
index ff19c54..0d25a5e 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelper.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow;
+package org.apache.hyracks.storage.am.lsm.btree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
 
 public class ExternalBTreeWithBuddyDataflowHelper extends AbstractLSMIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelperFactory.java
index dc1939a..325c858 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/ExternalBTreeWithBuddyDataflowHelperFactory.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow;
+package org.apache.hyracks.storage.am.lsm.btree.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 
 public class ExternalBTreeWithBuddyDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelper.java
index 2629a1d..b985896 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelper.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow;
+package org.apache.hyracks.storage.am.lsm.btree.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
 
 public class LSMBTreeDataflowHelper extends AbstractLSMIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelperFactory.java
index b4515da..664950d 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeDataflowHelperFactory.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow;
+package org.apache.hyracks.storage.am.lsm.btree.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 
 public class LSMBTreeDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/AntimatterAwareTupleAcceptor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/AntimatterAwareTupleAcceptor.java
index 51b8b91..a13c2c4 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/AntimatterAwareTupleAcceptor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/AntimatterAwareTupleAcceptor.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.ITupleAcceptor;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.ITupleAcceptor;
+import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleReference;
 
 public enum AntimatterAwareTupleAcceptor implements ITupleAcceptor {
     INSTANCE;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTree.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTree.java
index f350e51..d1bc308 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTree.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTree.java
@@ -12,54 +12,54 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITwoPCIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeRefrencingTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ExternalIndexHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.common.api.ITwoPCIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeRefrencingTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.ExternalIndexHarness;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 /**
  * This is an lsm b-tree that does not have memory component and is modified
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeOpContext.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeOpContext.java
index a51e460..676e2bb 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeOpContext.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class ExternalBTreeOpContext implements ILSMIndexOperationContext {
     public ITreeIndexFrameFactory insertLeafFrameFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java
index 184ac9b..f7ab338 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.io.IOException;
 import java.util.HashSet;
@@ -20,54 +20,54 @@
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITwoPCIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ExternalIndexHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITwoPCIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.ExternalIndexHarness;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class ExternalBTreeWithBuddy extends AbstractLSMIndex implements ITreeIndex, ITwoPCIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddyOpContext.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddyOpContext.java
index e898e3b..4959a75 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddyOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddyOpContext.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class ExternalBTreeWithBuddyOpContext implements ILSMIndexOperationContext {
     private IndexOperation op;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTree.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTree.java
index b1b6837..4d99cf6 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTree.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTree.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -21,64 +21,64 @@
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.impls.AbstractSearchPredicate;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMBTree extends AbstractLSMIndex implements ITreeIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeCursorInitialState.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeCursorInitialState.java
index 37f89ff..502272f 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeCursorInitialState.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMBTreeCursorInitialState implements ICursorInitialState {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
index 042b2c9..427916b 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
 
 public class LSMBTreeDiskComponent extends AbstractDiskLSMComponent {
     private final BTree btree;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java
index 275781c..5993473 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMBTreeDiskComponentFactory implements ILSMComponentFactory {
     private final TreeIndexFactory<BTree> btreeFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFileManager.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFileManager.java
index 41a49b5..7453784 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFileManager.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -26,14 +26,14 @@
 import java.util.Iterator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMBTreeFileManager extends AbstractLSMIndexFileManager {
     private static final String BTREE_STRING = "b";
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFlushOperation.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFlushOperation.java
index 94b1569..0cd59cd 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFlushOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeFlushOperation.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
 
 public class LSMBTreeFlushOperation implements ILSMIOOperation, Comparable<LSMBTreeFlushOperation> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMemoryComponent.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMemoryComponent.java
index 7b4633e..bf5b1c4 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMemoryComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMemoryComponent.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
 
 public class LSMBTreeMemoryComponent extends AbstractMemoryLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMergeOperation.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMergeOperation.java
index a4f6875..dca2370 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMergeOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeMergeOperation.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
 
 public class LSMBTreeMergeOperation implements ILSMIOOperation {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeOpContext.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeOpContext.java
index 419a765..5f51a42 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeOpContext.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public final class LSMBTreeOpContext implements ILSMIndexOperationContext {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
index 7aba7b3..57482a0 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
@@ -13,32 +13,32 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMBTreePointSearchCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeRangeSearchCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeRangeSearchCursor.java
index 668a12c..23fcb6b 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeRangeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeRangeSearchCursor.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.Iterator;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
 
 public class LSMBTreeRangeSearchCursor extends LSMIndexSearchCursor {
     private final ArrayTupleReference copyTuple;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java
index dd99833..b43fb7d 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMBTreeSearchCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java
index 6316480..2aa0a44 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java
@@ -12,30 +12,30 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public abstract class LSMBTreeWithBuddyAbstractCursor implements
 		ITreeIndexCursor {
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyCursorInitialState.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyCursorInitialState.java
index 402dddb..44a53a4 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyCursorInitialState.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMBTreeWithBuddyCursorInitialState implements ICursorInitialState {
 	private final ITreeIndexFrameFactory btreeInteriorFrameFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
index 54d7cc6..fa0fd29 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
 
 public class LSMBTreeWithBuddyDiskComponent extends AbstractDiskLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
index aa6256a..81ca0a2 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMBTreeWithBuddyDiskComponentFactory implements
 		ILSMComponentFactory {
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyFileManager.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyFileManager.java
index cb7dca9..cc5e8b3 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyFileManager.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -25,14 +25,14 @@
 import java.util.Iterator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMBTreeWithBuddyFileManager extends AbstractLSMIndexFileManager {
     private static final String BUDDY_BTREE_STRING = "buddy";
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
index 34509a3..b055233 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
 
 /*
  * This class is also not needed at the moment but is implemented anyway
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
index 4bae2c8..99ad78b 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
 
 public class LSMBTreeWithBuddyMergeOperation implements ILSMIOOperation {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
index f32bc52..5dbb74b 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMBTreeWithBuddySearchCursor extends LSMBTreeWithBuddyAbstractCursor{
 	private int currentCursor;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
index 54a3ae8..e1678e6 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMBTreeWithBuddySortedCursor extends
 		LSMBTreeWithBuddyAbstractCursor {
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
index c650de2..a71c650 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.impls;
+package org.apache.hyracks.storage.am.lsm.btree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
 
 public class LSMBuddyBTreeMergeCursor extends LSMIndexSearchCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
index 88b7785..01818fd 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class LSMBTreeCopyTupleWriter extends LSMBTreeTupleWriter {
 	public LSMBTreeCopyTupleWriter(ITypeTraits[] typeTraits, int numKeyFields){
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
index f574a3d..4caf8a1 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class LSMBTreeCopyTupleWriterFactory extends TypeAwareTupleWriterFactory {
 	private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
index 7582a33..877f619 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 /**
  * This is a TupleWriterFactory that can be used to reference the last writer it created
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
index 35a495b..26d7761 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
 
 public class LSMBTreeTupleReference extends TypeAwareTupleReference implements ILSMTreeTupleReference {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriter.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriter.java
index 2206b1e..2926733 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriter.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriter.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
 
 public class LSMBTreeTupleWriter extends TypeAwareTupleWriter {
     private boolean isAntimatter;
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
index f184f96..39969bc 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class LSMBTreeTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeUtils.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeUtils.java
index 28b81fd..747cac2 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeUtils.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeUtils.java
@@ -13,44 +13,44 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.util;
+package org.apache.hyracks.storage.am.lsm.btree.util;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.ExternalBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.ExternalBTreeWithBuddy;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTreeFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTreeWithBuddyFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeCopyTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeRefrencingTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.frames.LSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.btree.impls.ExternalBTree;
+import org.apache.hyracks.storage.am.lsm.btree.impls.ExternalBTreeWithBuddy;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTreeFileManager;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTreeWithBuddyFileManager;
+import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeCopyTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeRefrencingTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.frames.LSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.BTreeFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMBTreeUtils {
     public static LSMBTree createLSMTree(List<IVirtualBufferCache> virtualBufferCaches, FileReference file,
diff --git a/hyracks/hyracks-storage-am-lsm-common/pom.xml b/hyracks/hyracks-storage-am-lsm-common/pom.xml
index e54d9ae..b775f90 100644
--- a/hyracks/hyracks-storage-am-lsm-common/pom.xml
+++ b/hyracks/hyracks-storage-am-lsm-common/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-lsm-common</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -47,21 +47,21 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-bloomfilter</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponent.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponent.java
index 5927b17..0b33f78 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponent.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
 
 public interface ILSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java
index 3197f01..8f56e01 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public interface ILSMComponentFactory {
     public ILSMComponent createLSMComponentInstance(LSMComponentFileReferences cfr) throws IndexException,
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilter.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilter.java
index 6654db0..660af70 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilter.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilter.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface ILSMComponentFilter {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFactory.java
index 8cca485..13fc0bd 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 public interface ILSMComponentFilterFactory {
     public ILSMComponentFilter createLSMComponentFilter();
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrame.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrame.java
index 05db79d..1c82ff9 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrame.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrame.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public interface ILSMComponentFilterFrame {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrameFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrameFactory.java
index 68ba177..1dee1a2 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrameFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterFrameFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 public interface ILSMComponentFilterFrameFactory {
     public ILSMComponentFilterFrame createFrame();
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterManager.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterManager.java
index 59b349b..44c1b8d 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterManager.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMComponentFilterManager.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
 
 public interface ILSMComponentFilterManager {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMHarness.java
index a5e57c1..3819476 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMHarness.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMHarness.java
@@ -13,15 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
-
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface ILSMHarness {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperation.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperation.java
index 1638a5d..b84f45f 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperation.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.Set;
 import java.util.concurrent.Callable;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface ILSMIOOperation extends Callable<Boolean> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallback.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallback.java
index 9af08fa..0c47774 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallback.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallback.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
 
 public interface ILSMIOOperationCallback {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackFactory.java
index 804142e..b63c4de 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackProvider.java
index d5cf1a8..9101801 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationCallbackProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 public interface ILSMIOOperationCallbackProvider {
     public ILSMIOOperationCallback getIOOperationCallback(ILSMIndex index);
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationScheduler.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationScheduler.java
index 7e23062..ae2c2c6 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationScheduler.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationScheduler.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ILSMIOOperationScheduler {
     public void scheduleOperation(ILSMIOOperation operation) throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationSchedulerProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationSchedulerProvider.java
index 0b32660..bca9978 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationSchedulerProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIOOperationSchedulerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface ILSMIOOperationSchedulerProvider extends Serializable {
     public ILSMIOOperationScheduler getIOScheduler(IHyracksTaskContext ctx);
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndex.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndex.java
index 4fe85f1..35eb183 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndex.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMHarness;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness;
 
 /**
  * Methods to be implemented by an LSM index, which are called from {@link LSMHarness}.
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
index 2b0d64b..a7d01a1 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 /**
  * Client handle for performing operations
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessorInternal.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessorInternal.java
index 946a80b..a90053c 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessorInternal.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessorInternal.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 public interface ILSMIndexAccessorInternal extends ILSMIndexAccessor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexFileManager.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexFileManager.java
index ba3d9e3..18eefc3 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexFileManager.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.io.IOException;
 import java.util.Comparator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
 
 /**
  * Provides file names for LSM on-disk components. Also cleans up invalid files.
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexInternal.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexInternal.java
index 04f7760..3d0d7f0 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexInternal.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexInternal.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.replication.IReplicationJob.ReplicationOperation;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.replication.IReplicationJob.ReplicationOperation;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface ILSMIndexInternal extends ILSMIndex {
     @Override
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexOperationContext.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexOperationContext.java
index 86a145c..26f97e2 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexOperationContext.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexOperationContext.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
 
 public interface ILSMIndexOperationContext extends IIndexOperationContext {
     public List<ILSMComponent> getComponentHolder();
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexReplicationJob.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexReplicationJob.java
index 1791084..56643e1 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexReplicationJob.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexReplicationJob.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.replication.IReplicationJob;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.replication.IReplicationJob;
 
 public interface ILSMIndexReplicationJob extends IReplicationJob {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicy.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicy.java
index 279605f..e5ba3ae 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicy.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicy.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface ILSMMergePolicy {
     public void diskComponentAdded(ILSMIndex index, boolean fullMergeIsRequested) throws HyracksDataException,
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicyFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicyFactory.java
index ec6d4bd..0da771b 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicyFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMMergePolicyFactory.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
 
 public interface ILSMMergePolicyFactory extends Serializable {
     // Having two methods to create the merge policy with two different signatures is hacky, but we do it now
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTracker.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTracker.java
index 2659b27..a22a541 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTracker.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTracker.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
 
 /**
  * This interface exposes methods for tracking and setting the status of operations for the purpose
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTrackerProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTrackerProvider.java
index b9e9f37..5b316c3 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTrackerProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTrackerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface ILSMOperationTrackerProvider extends Serializable {
     public ILSMOperationTracker getOperationTracker(IHyracksTaskContext ctx);
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMTreeTupleReference.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMTreeTupleReference.java
index 0c5e7e0..c940cd6 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMTreeTupleReference.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMTreeTupleReference.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public interface ILSMTreeTupleReference extends ITreeIndexTupleReference {
     public boolean isAntimatter();
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ITwoPCIndex.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ITwoPCIndex.java
index cc4d65e..04e6975 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ITwoPCIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ITwoPCIndex.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 // An interface containing the new methods introduced for bulk transactions
 public interface ITwoPCIndex {
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCache.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCache.java
index f08cbc0..eb8737c 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCache.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCache.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapManager;
 
 public interface IVirtualBufferCache extends IBufferCache {
     public void open() throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCacheProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCacheProvider.java
index eff390f..7dec54a 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCacheProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/IVirtualBufferCacheProvider.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.api;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 import java.io.Serializable;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
 
 public interface IVirtualBufferCacheProvider extends Serializable {
     public List<IVirtualBufferCache> getVirtualBufferCaches(IHyracksTaskContext ctx);
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelper.java
index a403aad..d3f2f4d 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelper.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.dataflow;
+package org.apache.hyracks.storage.am.lsm.common.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 
 public abstract class AbstractLSMIndexDataflowHelper extends IndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelperFactory.java
index 650c20a..261f0ef 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/AbstractLSMIndexDataflowHelperFactory.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.dataflow;
+package org.apache.hyracks.storage.am.lsm.common.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
 
 public abstract class AbstractLSMIndexDataflowHelperFactory implements IIndexDataflowHelperFactory {
     protected static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexCompactOperatorNodePushable.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexCompactOperatorNodePushable.java
index a61dec4..e89793b 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexCompactOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexCompactOperatorNodePushable.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.dataflow;
+package org.apache.hyracks.storage.am.lsm.common.dataflow;
 
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.api.comm.IFrameWriter;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.std.base.AbstractOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
 
 public class LSMIndexCompactOperatorNodePushable extends AbstractOperatorNodePushable {
     private final IIndexDataflowHelper indexHelper;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java
index fd693cf..8261c79 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.dataflow;
+package org.apache.hyracks.storage.am.lsm.common.dataflow;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexInsertUpdateDeleteOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexInsertUpdateDeleteOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
 
 public class LSMIndexInsertUpdateDeleteOperatorNodePushable extends IndexInsertUpdateDeleteOperatorNodePushable {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexCompactOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexCompactOperatorDescriptor.java
index 0931195..f7b444b 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexCompactOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexCompactOperatorDescriptor.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.dataflow;
+package org.apache.hyracks.storage.am.lsm.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class LSMTreeIndexCompactOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexInsertUpdateDeleteOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexInsertUpdateDeleteOperatorDescriptor.java
index 0363d01..cf5cfde 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexInsertUpdateDeleteOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/dataflow/LSMTreeIndexInsertUpdateDeleteOperatorDescriptor.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.dataflow;
+package org.apache.hyracks.storage.am.lsm.common.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class LSMTreeIndexInsertUpdateDeleteOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrame.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrame.java
index 85c293d..8e93a75 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrame.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrame.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.frames;
+package org.apache.hyracks.storage.am.lsm.common.frames;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrame;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrame;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMComponentFilterFrame implements ILSMComponentFilterFrame {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrameFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrameFactory.java
index 41cec97..9b281f5 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrameFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/frames/LSMComponentFilterFrameFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.frames;
+package org.apache.hyracks.storage.am.lsm.common.frames;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrame;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrame;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
 
 public class LSMComponentFilterFrameFactory implements ILSMComponentFilterFrameFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/freepage/VirtualFreePageManager.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/freepage/VirtualFreePageManager.java
index a6d95a4..db559ee 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/freepage/VirtualFreePageManager.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/freepage/VirtualFreePageManager.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.freepage;
+package org.apache.hyracks.storage.am.lsm.common.freepage;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IVirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IVirtualFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
 
 public class VirtualFreePageManager implements IVirtualFreePageManager {
     protected final int capacity;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbortRecoverLSMIndexFileManager.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbortRecoverLSMIndexFileManager.java
index 122f63e..c089e26 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbortRecoverLSMIndexFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbortRecoverLSMIndexFileManager.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.FileReference;
 
 public class AbortRecoverLSMIndexFileManager extends AbstractLSMIndexFileManager {
     public AbortRecoverLSMIndexFileManager(FileReference file) {
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractDiskLSMComponent.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractDiskLSMComponent.java
index d8dd7ea..f104213 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractDiskLSMComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractDiskLSMComponent.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
 
 public abstract class AbstractDiskLSMComponent extends AbstractLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMComponent.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMComponent.java
index 682338c..cdce017 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMComponent.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
 
 public abstract class AbstractLSMComponent implements ILSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndex.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndex.java
index d947155..eced2de 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndex.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -24,27 +24,27 @@
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.replication.IReplicationJob.ReplicationExecutionType;
-import edu.uci.ics.hyracks.api.replication.IReplicationJob.ReplicationOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.replication.IReplicationJob.ReplicationExecutionType;
+import org.apache.hyracks.api.replication.IReplicationJob.ReplicationOperation;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class AbstractLSMIndex implements ILSMIndexInternal {
     protected final ILSMHarness lsmHarness;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndexFileManager.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndexFileManager.java
index 4a771ea..f2a4209 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndexFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndexFileManager.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -29,16 +29,16 @@
 import java.util.HashSet;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class AbstractLSMIndexFileManager implements ILSMIndexFileManager {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractMemoryLSMComponent.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractMemoryLSMComponent.java
index c45ce58..3a6a6af 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractMemoryLSMComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractMemoryLSMComponent.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 
 public abstract class AbstractMemoryLSMComponent extends AbstractLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AsynchronousScheduler.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AsynchronousScheduler.java
index b785764..c1d43c8 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AsynchronousScheduler.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AsynchronousScheduler.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -25,10 +25,10 @@
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation.LSMIOOpertionType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation.LSMIOOpertionType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
 
 public class AsynchronousScheduler implements ILSMIOOperationScheduler {
     // Since this is a asynchronous scheduler, we make sure that flush operations coming from the same lsm index
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BTreeFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BTreeFactory.java
index 4387650..36b80b0 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BTreeFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BTreeFactory.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class BTreeFactory extends TreeIndexFactory<BTree> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BlockingIOOperationCallbackWrapper.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BlockingIOOperationCallbackWrapper.java
index fefe812..7248e91 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BlockingIOOperationCallbackWrapper.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BlockingIOOperationCallbackWrapper.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
 
 public class BlockingIOOperationCallbackWrapper implements ILSMIOOperationCallback {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BloomFilterAwareBTreePointSearchCursor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BloomFilterAwareBTreePointSearchCursor.java
index af08bdb..2a2c226 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BloomFilterAwareBTreePointSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BloomFilterAwareBTreePointSearchCursor.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
 
 public class BloomFilterAwareBTreePointSearchCursor extends BTreeRangeSearchCursor {
     private final BloomFilter bloomFilter;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicy.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicy.java
index 8a6b8bd..def7ee3 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicy.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicy.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 
 public class ConstantMergePolicy implements ILSMMergePolicy {
     private int numComponents;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicyFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicyFactory.java
index 12ca201..5c83319 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicyFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ConstantMergePolicyFactory.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 public class ConstantMergePolicyFactory implements ILSMMergePolicyFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ExternalIndexHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ExternalIndexHarness.java
index 7bf1c40..b9118b9 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ExternalIndexHarness.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ExternalIndexHarness.java
@@ -12,27 +12,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.replication.IReplicationJob.ReplicationOperation;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.replication.IReplicationJob.ReplicationOperation;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
 
 public class ExternalIndexHarness extends LSMHarness {
     private static final Logger LOGGER = Logger.getLogger(ExternalIndexHarness.class.getName());
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/IndexFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/IndexFactory.java
index fee24dd..79c1f56 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/IndexFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/IndexFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class IndexFactory<T extends IIndex> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFileReferences.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFileReferences.java
index d52663d..af33e97 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFileReferences.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFileReferences.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.FileReference;
 
 public final class LSMComponentFileReferences {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilter.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilter.java
index 0e853cf..76cf9d4 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilter.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilter.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
 
 public class LSMComponentFilter implements ILSMComponentFilter {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterFactory.java
index 9968c7d..a5ec814 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterFactory.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
 
 public class LSMComponentFilterFactory implements ILSMComponentFilterFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterManager.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterManager.java
index 7ce8907..6871d47 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterManager.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentFilterManager.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrame;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrame;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterManager;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class LSMComponentFilterManager implements ILSMComponentFilterManager {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentState.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentState.java
index f4f2f78..ed35248 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentState.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMComponentState.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 public enum LSMComponentState {
     FLUSHING,
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
index a5f3e33..7cca4f9 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
@@ -22,25 +22,25 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.replication.IReplicationJob.ReplicationOperation;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.replication.IReplicationJob.ReplicationOperation;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 
 public class LSMHarness implements ILSMHarness {
     private static final Logger LOGGER = Logger.getLogger(LSMHarness.class.getName());
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIOOperationTask.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIOOperationTask.java
index 9743afe..cf16a8e 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIOOperationTask.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIOOperationTask.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.concurrent.Callable;
 import java.util.concurrent.FutureTask;
 
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
 
 public class LSMIOOperationTask<T> extends FutureTask<T> {
     private final ILSMIOOperation operation;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexReplicationJob.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexReplicationJob.java
index 232bfb2..83c5a49 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexReplicationJob.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexReplicationJob.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.replication.impl.AbstractReplicationJob;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexReplicationJob;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.replication.impl.AbstractReplicationJob;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexReplicationJob;
 
 public class LSMIndexReplicationJob extends AbstractReplicationJob implements ILSMIndexReplicationJob {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java
index be8000c..81d6b30 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.Comparator;
 import java.util.List;
 import java.util.PriorityQueue;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public abstract class LSMIndexSearchCursor implements ITreeIndexCursor {
     protected PriorityQueueElement outputElement;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMOperationType.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMOperationType.java
index 070b0da..c81475f 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMOperationType.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMOperationType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 public enum LSMOperationType {
     SEARCH,
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
index 9d2cf36..8418f5e 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public abstract class LSMTreeIndexAccessor implements ILSMIndexAccessorInternal {
     protected ILSMHarness lsmHarness;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/MultitenantVirtualBufferCache.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/MultitenantVirtualBufferCache.java
index 63b3349..ccdc142 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/MultitenantVirtualBufferCache.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/MultitenantVirtualBufferCache.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.replication.IIOReplicationManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.replication.IIOReplicationManager;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.IFileMapManager;
 
 public class MultitenantVirtualBufferCache implements IVirtualBufferCache {
 
@@ -94,6 +94,7 @@
         }
     }
 
+
     @Override
     public synchronized void open() throws HyracksDataException {
         ++openCount;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicy.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicy.java
index 005096b..77aa8f0 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicy.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicy.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 
 public class NoMergePolicy implements ILSMMergePolicy {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicyFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicyFactory.java
index 6455aec..9946480 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicyFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoMergePolicyFactory.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 public class NoMergePolicyFactory implements ILSMMergePolicyFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpIOOperationCallback.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpIOOperationCallback.java
index 2c8369e..796dead 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpIOOperationCallback.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpIOOperationCallback.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
 
 public enum NoOpIOOperationCallback implements ILSMIOOperationCallback, ILSMIOOperationCallbackProvider, ILSMIOOperationCallbackFactory {
     INSTANCE;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpOperationTrackerProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpOperationTrackerProvider.java
index 9bbb476..cf7a083 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpOperationTrackerProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpOperationTrackerProvider.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
 
 /**
  * Operation tracker that does nothing.
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicy.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicy.java
index 2e2f084..dea2aac 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicy.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicy.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.ComponentState;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 
 public class PrefixMergePolicy implements ILSMMergePolicy {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicyFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicyFactory.java
index ad4d464..e6bfbda 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicyFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/PrefixMergePolicyFactory.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
 
 public class PrefixMergePolicyFactory implements ILSMMergePolicyFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousScheduler.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousScheduler.java
index 44c20f5..204f74b 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousScheduler.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousScheduler.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
 
 public enum SynchronousScheduler implements ILSMIOOperationScheduler {
     INSTANCE;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousSchedulerProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousSchedulerProvider.java
index b986dc9..03b73e3 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousSchedulerProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/SynchronousSchedulerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
 
 public enum SynchronousSchedulerProvider implements ILSMIOOperationSchedulerProvider {
     INSTANCE;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingOperationTrackerProvider.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingOperationTrackerProvider.java
index 5c6c43e..158971b 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingOperationTrackerProvider.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingOperationTrackerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
 
 public class ThreadCountingOperationTrackerProvider implements ILSMOperationTrackerProvider {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingTracker.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingTracker.java
index db75d7b..f16ec22 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingTracker.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingTracker.java
@@ -12,18 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
 
 public class ThreadCountingTracker implements ILSMOperationTracker {
     private final AtomicInteger threadRefCount;
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/TreeIndexFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/TreeIndexFactory.java
index 11fc003..8d08cc9 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/TreeIndexFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/TreeIndexFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.IFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class TreeIndexFactory<T extends ITreeIndex> extends IndexFactory<T> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/VirtualBufferCache.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/VirtualBufferCache.java
index 62bf025..a850936 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/VirtualBufferCache.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/VirtualBufferCache.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.impls;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -21,15 +21,15 @@
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.replication.IIOReplicationManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
-import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.replication.IIOReplicationManager;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapManager;
+import org.apache.hyracks.storage.common.file.TransientFileMapManager;
 
 public class VirtualBufferCache implements IVirtualBufferCache {
     private static final int OVERFLOW_PADDING = 8;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml b/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml
index f8b2a6a..f3fb7e3 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml
@@ -18,7 +18,7 @@
 
 	<parent>
 		<artifactId>hyracks</artifactId>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<version>0.2.16-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
@@ -47,14 +47,14 @@
 	</build>
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-btree</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-lsm-common</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndex.java
index 89f4c0f..9609b33 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndex.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface IInvertedIndex extends IIndex {
     public IInvertedListCursor createInvertedListCursor();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexAccessor.java
index a8ccdfb..cd6ec99 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexAccessor.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface IInvertedIndexAccessor extends IIndexAccessor {
     public IInvertedListCursor createInvertedListCursor();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexFileNameMapper.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexFileNameMapper.java
index 833beeb..9db2310 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexFileNameMapper.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexFileNameMapper.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 /**
  * Maps from the dictionary BTree file/path to a corresponding inverted-lists file/path.
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexOperatorDescriptor.java
index d090bef..7a88942 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexOperatorDescriptor.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 
 public interface IInvertedIndexOperatorDescriptor extends IIndexOperatorDescriptor {
     
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifier.java
index 42e4dbb..702bb57 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifier.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 public interface IInvertedIndexSearchModifier {
     public int getOccurrenceThreshold(int numQueryTokens);
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifierFactory.java
index c32b9d8..28ed867 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearchModifierFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearcher.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearcher.java
index ceebc78..738dbc3 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearcher.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedIndexSearcher.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 import java.nio.ByteBuffer;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
 
 public interface IInvertedIndexSearcher {
     public void search(OnDiskInvertedIndexSearchCursor resultCursor, InvertedIndexSearchPredicate searchPred, IIndexOperationContext ictx)
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilder.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilder.java
index 37477fe..dcd5151 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilder.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilder.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public interface IInvertedListBuilder {
     public boolean startNewList(ITupleReference tuple, int numTokenFields);
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilderFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilderFactory.java
index 776c476..4fe4533 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilderFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListBuilderFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 public interface IInvertedListBuilderFactory {
     public IInvertedListBuilder create();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListCursor.java
index b23c661..ad9607c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IInvertedListCursor.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface IInvertedListCursor extends Comparable<IInvertedListCursor> {
     public void reset(int startPageId, int endPageId, int startOff, int numElements);
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IObjectFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IObjectFactory.java
index 8b65473..4e05495 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IObjectFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IObjectFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 public interface IObjectFactory<T> {
     public T create();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IPartitionedInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IPartitionedInvertedIndex.java
index 91689df..448b69e 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IPartitionedInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/api/IPartitionedInvertedIndex.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api;
+package org.apache.hyracks.storage.am.lsm.invertedindex.api;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedListPartitions;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedListPartitions;
 
 public interface IPartitionedInvertedIndex {
     public boolean openInvertedListPartitionCursors(IInvertedIndexSearcher searcher, IIndexOperationContext ictx,
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/AbstractLSMInvertedIndexOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/AbstractLSMInvertedIndexOperatorDescriptor.java
index 2484511..250f8d7 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/AbstractLSMInvertedIndexOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/AbstractLSMInvertedIndexOperatorDescriptor.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 
 public abstract class AbstractLSMInvertedIndexOperatorDescriptor extends AbstractIndexOperatorDescriptor implements
         IInvertedIndexOperatorDescriptor {
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorDescriptor.java
index 648c51a..07b029f 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorDescriptor.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 
 public class BinaryTokenizerOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorNodePushable.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorNodePushable.java
index 8ac1e3c..dbf6742 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/BinaryTokenizerOperatorNodePushable.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.comm.util.FrameUtils;
+import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
 
 public class BinaryTokenizerOperatorNodePushable extends AbstractUnaryInputUnaryOutputOperatorNodePushable {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexBulkLoadOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexBulkLoadOperatorDescriptor.java
index 10ad7fe..623dda1 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexBulkLoadOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexBulkLoadOperatorDescriptor.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexBulkLoadOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IndexBulkLoadOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class LSMInvertedIndexBulkLoadOperatorDescriptor extends AbstractLSMInvertedIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCompactOperator.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCompactOperator.java
index d24a1be..54ea915 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCompactOperator.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCompactOperator.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.LSMIndexCompactOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.LSMIndexCompactOperatorNodePushable;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class LSMInvertedIndexCompactOperator extends AbstractLSMInvertedIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCreateOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCreateOperatorDescriptor.java
index b5fd8c4..5764996 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCreateOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexCreateOperatorDescriptor.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexCreateOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IndexCreateOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.ILocalResourceFactoryProvider;
 
 public class LSMInvertedIndexCreateOperatorDescriptor extends AbstractLSMInvertedIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelper.java
index 9fe5c67..7438e0b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelper.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public final class LSMInvertedIndexDataflowHelper extends AbstractLSMIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelperFactory.java
index 283f2a2..a962b4c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexDataflowHelperFactory.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 
 public class LSMInvertedIndexDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexInsertUpdateDeleteOperator.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexInsertUpdateDeleteOperator.java
index 550166d..fd5b1ab 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexInsertUpdateDeleteOperator.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexInsertUpdateDeleteOperator.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.LSMIndexInsertUpdateDeleteOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.LSMIndexInsertUpdateDeleteOperatorNodePushable;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class LSMInvertedIndexInsertUpdateDeleteOperator extends AbstractLSMInvertedIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorDescriptor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorDescriptor.java
index 47c68a2..a5b94b6 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorDescriptor.java
@@ -13,27 +13,27 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class LSMInvertedIndexSearchOperatorDescriptor extends AbstractLSMInvertedIndexOperatorDescriptor {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorNodePushable.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorNodePushable.java
index 95ec645..1505c27 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/LSMInvertedIndexSearchOperatorNodePushable.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
 
 public class LSMInvertedIndexSearchOperatorNodePushable extends IndexSearchOperatorNodePushable {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelper.java
index 5fd5f60..2d3ee2d 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelper.java
@@ -12,28 +12,28 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.PartitionedLSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.PartitionedLSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public final class PartitionedLSMInvertedIndexDataflowHelper extends AbstractLSMIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelperFactory.java
index cd2969a..ebb9e4b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/dataflow/PartitionedLSMInvertedIndexDataflowHelperFactory.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow;
+package org.apache.hyracks.storage.am.lsm.invertedindex.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 
 public class PartitionedLSMInvertedIndexDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/InvertedIndexException.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/InvertedIndexException.java
index 7fef3b8..27adf5a 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/InvertedIndexException.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/InvertedIndexException.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions;
+package org.apache.hyracks.storage.am.lsm.invertedindex.exceptions;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public class InvertedIndexException extends IndexException {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/OccurrenceThresholdPanicException.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/OccurrenceThresholdPanicException.java
index b86c657..be4ea0c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/OccurrenceThresholdPanicException.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/exceptions/OccurrenceThresholdPanicException.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions;
+package org.apache.hyracks.storage.am.lsm.invertedindex.exceptions;
 
 
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
index 4250e6d..0299106 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -20,69 +20,69 @@
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IVirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IVirtualFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.impls.AbstractSearchPredicate;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.BTreeFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMInvertedIndex extends AbstractLSMIndex implements IInvertedIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java
index 03a2691..2510b99 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
 
 public class LSMInvertedIndexAccessor implements ILSMIndexAccessorInternal, IInvertedIndexAccessor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDeletedKeysBTreeMergeCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDeletedKeysBTreeMergeCursor.java
index 9eb317d..065e7f5 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDeletedKeysBTreeMergeCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDeletedKeysBTreeMergeCursor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
 
 public class LSMInvertedIndexDeletedKeysBTreeMergeCursor extends LSMIndexSearchCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
index ecc67f3..ab5f510 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
 
 public class LSMInvertedIndexDiskComponent extends AbstractDiskLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java
index 8b6ce25..b2724a5 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMInvertedIndexDiskComponentFactory implements ILSMComponentFactory {
     private final OnDiskInvertedIndexFactory diskInvIndexFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java
index c4398b7..5ee18f2 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -23,14 +23,14 @@
 import java.util.Iterator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexFileNameMapper;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.BTreeFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexFileNameMapper;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 // TODO: Refactor for better code sharing with other file managers.
 public class LSMInvertedIndexFileManager extends AbstractLSMIndexFileManager implements IInvertedIndexFileNameMapper {
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFlushOperation.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFlushOperation.java
index beb7643..ef2a3c5 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFlushOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFlushOperation.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
 
 public class LSMInvertedIndexFlushOperation implements ILSMIOOperation, Comparable<LSMInvertedIndexFlushOperation> {
     private final ILSMIndexAccessorInternal accessor;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMemoryComponent.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMemoryComponent.java
index b37b3b7..f66a5f5 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMemoryComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMemoryComponent.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
 
 public class LSMInvertedIndexMemoryComponent extends AbstractMemoryLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMergeOperation.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMergeOperation.java
index 5a1e413..fc2304c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMergeOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexMergeOperation.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
 
 public class LSMInvertedIndexMergeOperation implements ILSMIOOperation {
     private final ILSMIndexAccessorInternal accessor;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexOpContext.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexOpContext.java
index 1b1f65b..c79c0f5 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexOpContext.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
 
 public class LSMInvertedIndexOpContext implements ILSMIndexOperationContext {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursor.java
index 48e94eb..8afc5ab 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursor.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
 
 public class LSMInvertedIndexRangeSearchCursor extends LSMIndexSearchCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursorInitialState.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursorInitialState.java
index 7a14980..5cccbe6 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexRangeSearchCursorInitialState.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMInvertedIndexRangeSearchCursorInitialState implements ICursorInitialState {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java
index 8ceedaf..c702eba 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java
@@ -12,27 +12,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
 
 /**
  * Searches the components one-by-one, completely consuming a cursor before moving on to the next one.
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursorInitialState.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursorInitialState.java
index c30422f..97a7af4 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursorInitialState.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMInvertedIndexSearchCursorInitialState implements ICursorInitialState {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/PartitionedLSMInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/PartitionedLSMInvertedIndex.java
index 36eb76e..12e7132 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/PartitionedLSMInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/PartitionedLSMInvertedIndex.java
@@ -13,32 +13,32 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls;
+package org.apache.hyracks.storage.am.lsm.invertedindex.impls;
 
 import java.io.File;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IVirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.common.api.IVirtualFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.BTreeFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class PartitionedLSMInvertedIndex extends LSMInvertedIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java
index f4a3916..ee206cd 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class InMemoryInvertedIndex implements IInvertedIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java
index ef8af32..74bb135 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java
@@ -13,27 +13,27 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex.DefaultHyracksCommonContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.TOccurrenceSearcher;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex.DefaultHyracksCommonContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.TOccurrenceSearcher;
 
 public class InMemoryInvertedIndexAccessor implements IInvertedIndexAccessor {
     // TODO: This ctx needs to go away.
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexOpContext.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexOpContext.java
index bfc5978..b133b9a 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexOpContext.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexTokenizingTupleIterator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexTokenizingTupleIterator;
 
 public class InMemoryInvertedIndexOpContext implements IIndexOperationContext {
     public IndexOperation op;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java
index e28ab31..e9594e3 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java
@@ -12,29 +12,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
 import java.io.DataInputStream;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.ConcatenatingTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.ConcatenatingTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
 
 public class InMemoryInvertedListCursor implements IInvertedListCursor {
     private RangePredicate btreePred;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndex.java
index eb06758..24c2b16 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndex.java
@@ -12,33 +12,33 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
 import java.util.ArrayList;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IPartitionedInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedListPartitions;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.PartitionedTOccurrenceSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.PartitionedInvertedIndexTokenizingTupleIterator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IPartitionedInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedListPartitions;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.PartitionedTOccurrenceSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.PartitionedInvertedIndexTokenizingTupleIterator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class PartitionedInMemoryInvertedIndex extends InMemoryInvertedIndex implements IPartitionedInvertedIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexAccessor.java
index 6b8bf00..a3baa27 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexAccessor.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.PartitionedTOccurrenceSearcher;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.PartitionedTOccurrenceSearcher;
 
 public class PartitionedInMemoryInvertedIndexAccessor extends InMemoryInvertedIndexAccessor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexOpContext.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexOpContext.java
index 98db933..215f94b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexOpContext.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.PartitionedInvertedIndexTokenizingTupleIterator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.PartitionedInvertedIndexTokenizingTupleIterator;
 
 public class PartitionedInMemoryInvertedIndexOpContext extends InMemoryInvertedIndexOpContext {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilder.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilder.java
index 6375f8b..484ddf3 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilder.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilder.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
 
 public class FixedSizeElementInvertedListBuilder implements IInvertedListBuilder {
     private final int listElementSize;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilderFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilderFactory.java
index 673e880..7e96105 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilderFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListBuilderFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
 
 public class FixedSizeElementInvertedListBuilderFactory implements IInvertedListBuilderFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListCursor.java
index c3eb3d5..9b0ff8d 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeElementInvertedListCursor.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
 import java.io.DataInputStream;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class FixedSizeElementInvertedListCursor implements IInvertedListCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAccessor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAccessor.java
index 3c6c4cd..2f9c86b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAccessor.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 
 public class FixedSizeFrameTupleAccessor implements IFrameTupleAccessor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAppender.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAppender.java
index a79305c..f693d6a 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAppender.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleAppender.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.comm.FrameHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.comm.FrameHelper;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 
 public class FixedSizeFrameTupleAppender {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeTupleReference.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeTupleReference.java
index 42c2e30..89dc678 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeTupleReference.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeTupleReference.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class FixedSizeTupleReference implements ITupleReference {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
index a479815..ede75d8 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
@@ -13,53 +13,53 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.io.DataOutput;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.UnsortedInputException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.InvertedIndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.TOccurrenceSearcher;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.api.UnsortedInputException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.InvertedIndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.TOccurrenceSearcher;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 /**
  * An inverted index consists of two files: 1. a file storing (paginated)
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexFactory.java
index 7c10f81..3cd0089 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.IndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexFileNameMapper;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.IndexFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexFileNameMapper;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class OnDiskInvertedIndexFactory extends IndexFactory<IInvertedIndex> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexOpContext.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexOpContext.java
index c2a16cc..1532e1c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexOpContext.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class OnDiskInvertedIndexOpContext implements IIndexOperationContext {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java
index 9cb7231..6657f49 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.tuples.ConcatenatingTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.tuples.ConcatenatingTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
 
 /**
  * Scans a range of tokens, returning tuples containing a token and an inverted-list element.
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java
index 10b6a9e..f3219d0 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.nio.ByteBuffer;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
 
 public class OnDiskInvertedIndexSearchCursor implements IIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndex.java
index 2a0c5ba..dcef83c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndex.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IPartitionedInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedListPartitions;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.PartitionedTOccurrenceSearcher;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IPartitionedInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedListPartitions;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.PartitionedTOccurrenceSearcher;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class PartitionedOnDiskInvertedIndex extends OnDiskInvertedIndex implements IPartitionedInvertedIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexFactory.java
index df1b748..e73de74 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexFactory.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexFileNameMapper;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexFileNameMapper;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class PartitionedOnDiskInvertedIndexFactory extends OnDiskInvertedIndexFactory {
     
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/AbstractTOccurrenceSearcher.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/AbstractTOccurrenceSearcher.java
index 5b68c7b..37d16e7 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/AbstractTOccurrenceSearcher.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/AbstractTOccurrenceSearcher.java
@@ -13,36 +13,36 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppenderAccessor;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.ObjectCache;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppenderAccessor;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.ObjectCache;
 
 public abstract class AbstractTOccurrenceSearcher implements IInvertedIndexSearcher {
     protected static final RecordDescriptor QUERY_TOKEN_REC_DESC = new RecordDescriptor(
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ArrayListFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ArrayListFactory.java
index 7e9b3ef..4f19089 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ArrayListFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ArrayListFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
 
 public class ArrayListFactory<T> implements IObjectFactory<ArrayList<T>>{
     @Override
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifier.java
index 6fd1ab7..a84e128 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifier.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 public class ConjunctiveEditDistanceSearchModifier extends EditDistanceSearchModifier {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifierFactory.java
index aeec45e..35aab01 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveEditDistanceSearchModifierFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 
 public class ConjunctiveEditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java
index 16383c3..3cbe791 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 public class ConjunctiveListEditDistanceSearchModifier extends ListEditDistanceSearchModifier {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java
index 410fb92..939d62f 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 
 public class ConjunctiveListEditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifier.java
index 08f59cb..d81eb58 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifier.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
 
 public class ConjunctiveSearchModifier implements IInvertedIndexSearchModifier {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifierFactory.java
index 878dfbc..7f9f5e5 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveSearchModifierFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 
 public class ConjunctiveSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifier.java
index 12e2d72..3da94fb 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifier.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
 
 public class EditDistanceSearchModifier implements IInvertedIndexSearchModifier {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifierFactory.java
index 8f83b7b..34302da 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/EditDistanceSearchModifierFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 
 public class EditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedIndexSearchPredicate.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedIndexSearchPredicate.java
index fa8939a..39f899b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedIndexSearchPredicate.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedIndexSearchPredicate.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.impls.AbstractSearchPredicate;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
 
 public class InvertedIndexSearchPredicate extends AbstractSearchPredicate {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListCursorFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListCursorFactory.java
index 0d13808..dfccd7b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListCursorFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListCursorFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
 
 public class InvertedListCursorFactory implements IObjectFactory<IInvertedListCursor> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListMerger.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListMerger.java
index 17c581b..74ec5df 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListMerger.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListMerger.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeTupleReference;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeTupleReference;
 
 // TODO: The merge procedure is rather confusing regarding cursor positions, hasNext() calls etc.
 // Needs an overhaul some time.
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListPartitions.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListPartitions.java
index 7c5bf2e..0ed04ba 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListPartitions.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListPartitions.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.ObjectCache;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.ObjectCache;
 
 public class InvertedListPartitions {
     private final int DEFAULT_NUM_PARTITIONS = 10;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifier.java
index f5b4352..150113e 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifier.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
 
 public class JaccardSearchModifier implements IInvertedIndexSearchModifier {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifierFactory.java
index f24d88e..e782a74 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/JaccardSearchModifierFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 
 public class JaccardSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java
index 2f6a07f..4cc45d1 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
 
 public class ListEditDistanceSearchModifier implements IInvertedIndexSearchModifier {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifierFactory.java
index 42d7e6f..a496505 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifierFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifierFactory.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
 
 public class ListEditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/PartitionedTOccurrenceSearcher.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/PartitionedTOccurrenceSearcher.java
index 1e68099..d99dd24 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/PartitionedTOccurrenceSearcher.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/PartitionedTOccurrenceSearcher.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.io.IOException;
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.tuples.ConcatenatingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IPartitionedInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.ShortPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.tuples.ConcatenatingTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IPartitionedInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
 
 public class PartitionedTOccurrenceSearcher extends AbstractTOccurrenceSearcher {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/SearchResult.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/SearchResult.java
index 4af9546..23cb1b7 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/SearchResult.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/SearchResult.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAppender;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeTupleReference;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAppender;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeTupleReference;
 
 /**
  * Byte-buffer backed storage for intermediate and final results of inverted-index searches.
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java
index c61a86e..d15cd64 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+package org.apache.hyracks.storage.am.lsm.invertedindex.search;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.context.IHyracksCommonContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
+import org.apache.hyracks.api.context.IHyracksCommonContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexSearchCursor;
 
 public class TOccurrenceSearcher extends AbstractTOccurrenceSearcher {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8StringBinaryTokenizer.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8StringBinaryTokenizer.java
index 5ac4aa4..cf4749b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8StringBinaryTokenizer.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8StringBinaryTokenizer.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public abstract class AbstractUTF8StringBinaryTokenizer implements IBinaryTokenizer {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8Token.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8Token.java
index 45adc1f..32a2a85 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8Token.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8Token.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 public abstract class AbstractUTF8Token implements IToken {
     public static final int GOLDEN_RATIO_32 = 0x09e3779b9;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
index 0b0a976..66e303d 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public abstract class AbstractUTF8TokenFactory implements ITokenFactory {
 	private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizer.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizer.java
index c4a6994..18c9c74 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizer.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizer.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class DelimitedUTF8StringBinaryTokenizer extends AbstractUTF8StringBinaryTokenizer {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
index 5e293ba..a59618b 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class DelimitedUTF8StringBinaryTokenizerFactory implements
 		IBinaryTokenizerFactory {
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramToken.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramToken.java
index eb7efb2..874095f 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramToken.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramToken.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 public class HashedUTF8NGramToken extends UTF8NGramToken {
     public HashedUTF8NGramToken(byte tokenTypeTag, byte countTypeTag) {
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
index 916e2b5..2ecdc5c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class HashedUTF8NGramTokenFactory extends AbstractUTF8TokenFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordToken.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordToken.java
index 301db3e..f6e7354 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordToken.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordToken.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 public class HashedUTF8WordToken extends UTF8WordToken {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
index 195428c..61b5b31 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class HashedUTF8WordTokenFactory extends AbstractUTF8TokenFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizer.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizer.java
index 206175b..892f4bc 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizer.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizer.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public interface IBinaryTokenizer {
     public IToken getToken();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
index 4d9dc89..2d614bc 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
index fe7e9e7..37fd029 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public interface INGramToken {
 	public int getNumPostChars();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IToken.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IToken.java
index bbe5c66..2aafa91 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IToken.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IToken.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 public interface IToken {
 	public byte[] getData();
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/ITokenFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/ITokenFactory.java
index 0bf1744..d8f3b7d 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/ITokenFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/ITokenFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IntArray.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IntArray.java
index c3fc6e3..2ca714a 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IntArray.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IntArray.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.util.Arrays;
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizer.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizer.java
index d19da58..8758fb1 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizer.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizer.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
 
 public class NGramUTF8StringBinaryTokenizer extends AbstractUTF8StringBinaryTokenizer {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizerFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizerFactory.java
index 0fdd346..7bf4216 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizerFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramUTF8StringBinaryTokenizerFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class NGramUTF8StringBinaryTokenizerFactory implements IBinaryTokenizerFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramToken.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramToken.java
index e51ff2a..28a7718 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramToken.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramToken.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
-import edu.uci.ics.hyracks.dataflow.common.data.util.StringUtils;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.dataflow.common.data.util.StringUtils;
 
 public class UTF8NGramToken extends AbstractUTF8Token implements INGramToken {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
index e8eeedf..b431a04 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class UTF8NGramTokenFactory extends AbstractUTF8TokenFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordToken.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordToken.java
index 0751f6a..e93d2ab 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordToken.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordToken.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
-import edu.uci.ics.hyracks.dataflow.common.data.util.StringUtils;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.dataflow.common.data.util.StringUtils;
 
 public class UTF8WordToken extends AbstractUTF8Token {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
index c396b8d..9dfde06 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class UTF8WordTokenFactory extends AbstractUTF8TokenFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTokenizingTupleIterator.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTokenizingTupleIterator.java
index b35b562..325a996 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTokenizingTupleIterator.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTokenizingTupleIterator.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util;
+package org.apache.hyracks.storage.am.lsm.invertedindex.util;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
 
 // TODO: We can possibly avoid copying the data into a new tuple here.
 public class InvertedIndexTokenizingTupleIterator {
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexUtils.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexUtils.java
index 0db46f9..35e5d85 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexUtils.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexUtils.java
@@ -13,51 +13,51 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util;
+package org.apache.hyracks.storage.am.lsm.invertedindex.util;
 
 import java.io.File;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.frames.LSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.PartitionedLSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory.PartitionedInMemoryInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeElementInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeElementInvertedListBuilderFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.PartitionedOnDiskInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.PartitionedOnDiskInvertedIndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.frames.LSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.BTreeFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilderFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.PartitionedLSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.inmemory.InMemoryInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.inmemory.PartitionedInMemoryInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeElementInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeElementInvertedListBuilderFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.PartitionedOnDiskInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.PartitionedOnDiskInvertedIndexFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class InvertedIndexUtils {
 
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/ObjectCache.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/ObjectCache.java
index e6b5590..4ec0edd 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/ObjectCache.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/ObjectCache.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util;
+package org.apache.hyracks.storage.am.lsm.invertedindex.util;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IObjectFactory;
 
 public class ObjectCache<T> {
     protected final int expandSize;
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/PartitionedInvertedIndexTokenizingTupleIterator.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/PartitionedInvertedIndexTokenizingTupleIterator.java
index 5e153f4..d0edb4f 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/PartitionedInvertedIndexTokenizingTupleIterator.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/PartitionedInvertedIndexTokenizingTupleIterator.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util;
+package org.apache.hyracks.storage.am.lsm.invertedindex.util;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
 
 // TODO: We can possibly avoid copying the data into a new tuple here.
 public class PartitionedInvertedIndexTokenizingTupleIterator extends InvertedIndexTokenizingTupleIterator {
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/pom.xml b/hyracks/hyracks-storage-am-lsm-rtree/pom.xml
index d9eb2cc..f25d1ed 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/pom.xml
+++ b/hyracks/hyracks-storage-am-lsm-rtree/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-lsm-rtree</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -46,21 +46,21 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-lsm-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-rtree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/AbstractLSMRTreeDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/AbstractLSMRTreeDataflowHelper.java
index fb3ebdc..8eb47b5 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/AbstractLSMRTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/AbstractLSMRTreeDataflowHelper.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelper;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class AbstractLSMRTreeDataflowHelper extends AbstractLSMIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelper.java
index 4fee495..4947646 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelper.java
@@ -12,31 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class ExternalRTreeDataflowHelper extends LSMRTreeDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
index ae89a53..b710e42 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class ExternalRTreeDataflowHelperFactory extends LSMRTreeDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
index ed6d366..109b61e 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTreeDataflowHelper extends AbstractLSMRTreeDataflowHelper {
     protected int[] btreeFields;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
index 3468371..148e955 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class LSMRTreeDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
index 8169b46..fcd5dbf 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTreeWithAntiMatterTuplesDataflowHelper extends AbstractLSMRTreeDataflowHelper {
     public LSMRTreeWithAntiMatterTuplesDataflowHelper(IIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx,
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
index 3a6eb4f..4a33290 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow;
+package org.apache.hyracks.storage.am.lsm.rtree.dataflow;
 
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class LSMRTreeWithAntiMatterTuplesDataflowHelperFactory extends AbstractLSMIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java
index 4b93100..bf27940 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java
@@ -13,51 +13,51 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.io.File;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.impls.AbstractSearchPredicate;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public abstract class AbstractLSMRTree extends AbstractLSMIndex implements ITreeIndex {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTree.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTree.java
index ea66b46..35441db 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTree.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTree.java
@@ -12,53 +12,53 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITwoPCIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ExternalIndexHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITwoPCIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.ExternalIndexHarness;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 /**
  * This is an lsm r-tree that does not have memory component and is modified
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTreeOpContext.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTreeOpContext.java
index b49199d..806aa92 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTreeOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTreeOpContext.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class ExternalRTreeOpContext implements ILSMIndexOperationContext {
     private IndexOperation op;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java
index b84fb8b..f5c6663 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java
@@ -13,64 +13,64 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.DualTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.DualTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTree extends AbstractLSMRTree {
     protected int[] buddyBTreeFields;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java
index 0bd45bf..9b20f0f 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java
@@ -12,34 +12,34 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.BloomFilterAwareBTreePointSearchCursor;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public abstract class LSMRTreeAbstractCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java
index 27545b9..457af33 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMRTreeCursorInitialState implements ICursorInitialState {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDeletedKeysBTreeMergeCursor.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDeletedKeysBTreeMergeCursor.java
index fe2ed96..1373659 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDeletedKeysBTreeMergeCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDeletedKeysBTreeMergeCursor.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
 
 public class LSMRTreeDeletedKeysBTreeMergeCursor extends LSMIndexSearchCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
index 82f43e5..3b59d65 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractDiskLSMComponent;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
 
 public class LSMRTreeDiskComponent extends AbstractDiskLSMComponent {
     private final RTree rtree;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java
index 2ab4d47..4fb6314 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMRTreeDiskComponentFactory implements ILSMComponentFactory {
     private final TreeIndexFactory<RTree> rtreeFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFileManager.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFileManager.java
index 7e3fb06..8d6ff18 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFileManager.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -26,14 +26,14 @@
 import java.util.Iterator;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTreeFileManager extends AbstractLSMIndexFileManager {
     private static final String RTREE_STRING = "r";
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFlushOperation.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFlushOperation.java
index 0d40eb4..27b95c4 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFlushOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeFlushOperation.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
 
 public class LSMRTreeFlushOperation implements ILSMIOOperation, Comparable<LSMRTreeFlushOperation> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMemoryComponent.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMemoryComponent.java
index 77c2739..0c2d339 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMemoryComponent.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMemoryComponent.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractMemoryLSMComponent;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
 
 public class LSMRTreeMemoryComponent extends AbstractMemoryLSMComponent {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMergeOperation.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMergeOperation.java
index 4b94600..00f6ad8 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMergeOperation.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeMergeOperation.java
@@ -12,21 +12,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
 
 public class LSMRTreeMergeOperation implements ILSMIOOperation {
     private final ILSMIndexAccessorInternal accessor;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java
index 4ff05e6..fdcf49c 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java
@@ -13,28 +13,28 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.LinkedList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeOpContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeOpContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeOpContext;
 
 public final class LSMRTreeOpContext implements ILSMIndexOperationContext {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java
index ec9921c..9a3e80c 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMRTreeSearchCursor extends LSMRTreeAbstractCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSortedCursor.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSortedCursor.java
index 57902b2..e6d40bb 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSortedCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSortedCursor.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMRTreeSortedCursor extends LSMRTreeAbstractCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java
index 4eb1709..e3e5654 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java
@@ -13,55 +13,55 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessorInternal;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTreeWithAntiMatterTuples extends AbstractLSMRTree {
     // On-disk components.
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java
index 344c829..5d57989 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMRTreeWithAntiMatterTuplesDiskComponentFactory implements ILSMComponentFactory {
     private final TreeIndexFactory<RTree> rtreeFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFileManager.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFileManager.java
index 8ef143f..a56f89e 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFileManager.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFileManager.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTreeWithAntiMatterTuplesFileManager extends AbstractLSMIndexFileManager {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java
index edc0cae..5a36255 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class LSMRTreeWithAntiMatterTuplesFlushCursor implements ITreeIndexCursor {
     private final TreeTupleSorter rTreeTupleSorter;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesSearchCursor.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesSearchCursor.java
index d140b69..4c020ae 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesSearchCursor.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesSearchCursor.java
@@ -13,30 +13,30 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMIndexSearchCursor;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
 
 public class LSMRTreeWithAntiMatterTuplesSearchCursor extends LSMIndexSearchCursor {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java
index d6dd920..5c7e00a 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.IFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class RTreeFactory extends TreeIndexFactory<RTree> {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java
index 7946529..920caf2 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
+package org.apache.hyracks.storage.am.lsm.rtree.impls;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class TreeTupleSorter implements ITreeIndexCursor {
     private final static int INITIAL_SIZE = 1000000;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriter.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriter.java
index 440064a..46e93a2 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriter.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriter.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples;
+package org.apache.hyracks.storage.am.lsm.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class LSMRTreeCopyTupleWriter extends LSMRTreeTupleWriter {
     public LSMRTreeCopyTupleWriter(ITypeTraits[] typeTraits) {
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriterFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriterFactory.java
index f1f5d1c..ce6d622 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeCopyTupleWriterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples;
+package org.apache.hyracks.storage.am.lsm.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class LSMRTreeCopyTupleWriterFactory extends TypeAwareTupleWriterFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleReference.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleReference.java
index d287ff9..555b162 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleReference.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleReference.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples;
+package org.apache.hyracks.storage.am.lsm.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMTreeTupleReference;
 
 public class LSMRTreeTupleReference extends TypeAwareTupleReference implements ILSMTreeTupleReference {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriter.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriter.java
index 5461fee..f979a34 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriter.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriter.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples;
+package org.apache.hyracks.storage.am.lsm.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
 
 public class LSMRTreeTupleWriter extends RTreeTypeAwareTupleWriter {
     private final boolean isAntimatter;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriterFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriterFactory.java
index 5f97a94..38230c7 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMRTreeTupleWriterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples;
+package org.apache.hyracks.storage.am.lsm.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class LSMRTreeTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
index fddec43..d94b4e0 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples;
+package org.apache.hyracks.storage.am.lsm.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
 
 public class LSMTypeAwareTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/utils/LSMRTreeUtils.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/utils/LSMRTreeUtils.java
index eca0f47..c456e50 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/utils/LSMRTreeUtils.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/utils/LSMRTreeUtils.java
@@ -13,56 +13,56 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.utils;
+package org.apache.hyracks.storage.am.lsm.rtree.utils;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.frames.LSMComponentFilterFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.ExternalRTree;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuplesFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.RTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples.LSMRTreeCopyTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples.LSMRTreeTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.tuples.LSMTypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.linearize.HilbertDoubleComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.linearize.ZCurveDoubleComparatorFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.linearize.ZCurveIntComparatorFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.frames.LSMComponentFilterFrameFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.BTreeFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterFactory;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFilterManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.ExternalRTree;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTreeFileManager;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuplesFileManager;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.RTreeFactory;
+import org.apache.hyracks.storage.am.lsm.rtree.tuples.LSMRTreeCopyTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.rtree.tuples.LSMRTreeTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.rtree.tuples.LSMTypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.linearize.HilbertDoubleComparatorFactory;
+import org.apache.hyracks.storage.am.rtree.linearize.ZCurveDoubleComparatorFactory;
+import org.apache.hyracks.storage.am.rtree.linearize.ZCurveIntComparatorFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class LSMRTreeUtils {
     public static LSMRTree createLSMTree(List<IVirtualBufferCache> virtualBufferCaches, FileReference file,
diff --git a/hyracks/hyracks-storage-am-rtree/pom.xml b/hyracks/hyracks-storage-am-rtree/pom.xml
index 7fa655e..4ddcf6c 100644
--- a/hyracks/hyracks-storage-am-rtree/pom.xml
+++ b/hyracks/hyracks-storage-am-rtree/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-am-rtree</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -48,21 +48,21 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
index c396094..c225a37 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.api;
+package org.apache.hyracks.storage.am.rtree.api;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 
 public interface IGenericPrimitiveSerializerDeserializer<T> extends
 		ISerializerDeserializer<T> {
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeFrame.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeFrame.java
index bc82566..91c6919 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeFrame.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeFrame.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.api;
+package org.apache.hyracks.storage.am.rtree.api;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface IRTreeFrame extends ITreeIndexFrame {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeInteriorFrame.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeInteriorFrame.java
index e47f512..74fa5b8 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeInteriorFrame.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeInteriorFrame.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.api;
+package org.apache.hyracks.storage.am.rtree.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.PathList;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.impls.PathList;
 
 public interface IRTreeInteriorFrame extends IRTreeFrame {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeLeafFrame.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeLeafFrame.java
index 13c2f2b..ae65b4d 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeLeafFrame.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreeLeafFrame.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.api;
+package org.apache.hyracks.storage.am.rtree.api;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface IRTreeLeafFrame extends IRTreeFrame {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreePolicy.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreePolicy.java
index a731255..51186ec 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreePolicy.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IRTreePolicy.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.api;
+package org.apache.hyracks.storage.am.rtree.api;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ISlotManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ISlotManager;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public interface IRTreePolicy {
     public void split(ITreeIndexFrame leftFrame, ByteBuffer buf, ITreeIndexFrame rightFrame, ISlotManager slotManager,
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelper.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelper.java
index e9dce94..a268dd8 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelper.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelper.java
@@ -13,17 +13,17 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.dataflow;
+package org.apache.hyracks.storage.am.rtree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.TreeIndexDataflowHelper;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 public class RTreeDataflowHelper extends TreeIndexDataflowHelper {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelperFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelperFactory.java
index 4061cb7..de78052 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelperFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeDataflowHelperFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.dataflow;
+package org.apache.hyracks.storage.am.rtree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class RTreeDataflowHelperFactory implements IIndexDataflowHelperFactory {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
index e516478..553d490 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.dataflow;
+package org.apache.hyracks.storage.am.rtree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.INullWriterFactory;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
+import org.apache.hyracks.dataflow.std.file.IFileSplitProvider;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class RTreeSearchOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorNodePushable.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorNodePushable.java
index 77efc2e..f87e971 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorNodePushable.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.dataflow;
+package org.apache.hyracks.storage.am.rtree.dataflow;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
+import org.apache.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingFrameTupleReference;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 public class RTreeSearchOperatorNodePushable extends IndexSearchOperatorNodePushable {
     protected PermutingFrameTupleReference searchKey;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RStarTreePolicy.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RStarTreePolicy.java
index 38bd313..098f7d8 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RStarTreePolicy.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RStarTreePolicy.java
@@ -13,28 +13,28 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISlotManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreePolicy;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.EntriesOrder;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSplitKey;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.Rectangle;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.TupleEntryArrayList;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.UnorderedSlotManager;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.ISlotManager;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreePolicy;
+import org.apache.hyracks.storage.am.rtree.impls.EntriesOrder;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSplitKey;
+import org.apache.hyracks.storage.am.rtree.impls.Rectangle;
+import org.apache.hyracks.storage.am.rtree.impls.TupleEntryArrayList;
+import org.apache.hyracks.storage.am.rtree.impls.UnorderedSlotManager;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
 
 public class RStarTreePolicy implements IRTreePolicy {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeComputationUtils.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeComputationUtils.java
index b11dbfc..08530cf 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeComputationUtils.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeComputationUtils.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class RTreeComputationUtils {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMFrame.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMFrame.java
index 0af8c78..f599d7c 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMFrame.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMFrame.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.frames.TreeIndexNSMFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreePolicy;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.UnorderedSlotManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.frames.TreeIndexNSMFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreePolicy;
+import org.apache.hyracks.storage.am.rtree.impls.UnorderedSlotManager;
 
 public abstract class RTreeNSMFrame extends TreeIndexNSMFrame implements IRTreeFrame {
     protected static final int pageNsnOff = smFlagOff + 1;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrame.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrame.java
index 399fd61..65b555f 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrame.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrame.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
 import java.util.ArrayList;
 import java.util.Collections;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.PathList;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.ophelpers.SlotOffTupleOff;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.impls.PathList;
 
 public class RTreeNSMInteriorFrame extends RTreeNSMFrame implements IRTreeInteriorFrame {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrameFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrameFactory.java
index 3799b00..613c561 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrameFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMInteriorFrameFactory.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
 
 public class RTreeNSMInteriorFrameFactory implements ITreeIndexFrameFactory {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrame.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrame.java
index b9f9e47..b23c735 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrame.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrame.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
 
 public class RTreeNSMLeafFrame extends RTreeNSMFrame implements IRTreeLeafFrame {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrameFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrameFactory.java
index b9dd8be..ff61176 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrameFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreeNSMLeafFrameFactory.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
 
 public class RTreeNSMLeafFrameFactory implements ITreeIndexFrameFactory {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicy.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicy.java
index 4f88787..f18c8bd 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicy.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicy.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ISlotManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreePolicy;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSplitKey;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.Rectangle;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.UnorderedSlotManager;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.ISlotManager;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreePolicy;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSplitKey;
+import org.apache.hyracks.storage.am.rtree.impls.Rectangle;
+import org.apache.hyracks.storage.am.rtree.impls.UnorderedSlotManager;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
 
 public class RTreePolicy implements IRTreePolicy {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicyType.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicyType.java
index e0db3a2..5308e24 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicyType.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/frames/RTreePolicyType.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.frames;
+package org.apache.hyracks.storage.am.rtree.frames;
 
 public enum RTreePolicyType {
     RTREE, RSTARTREE
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/DoublePrimitiveValueProviderFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/DoublePrimitiveValueProviderFactory.java
index e4a0cd0..37fd6ea 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/DoublePrimitiveValueProviderFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/DoublePrimitiveValueProviderFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
 
 public class DoublePrimitiveValueProviderFactory implements IPrimitiveValueProviderFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
index e8ba083..689f115 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
 public enum EntriesOrder {
 	ASCENDING, DESCENDING
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/FloatPrimitiveValueProviderFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/FloatPrimitiveValueProviderFactory.java
index 495572a..dad1c92 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/FloatPrimitiveValueProviderFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/FloatPrimitiveValueProviderFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.data.std.primitive.FloatPointable;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.data.std.primitive.FloatPointable;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
 
 public class FloatPrimitiveValueProviderFactory implements IPrimitiveValueProviderFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/IntegerPrimitiveValueProviderFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/IntegerPrimitiveValueProviderFactory.java
index e9247d9..a8d17bd 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/IntegerPrimitiveValueProviderFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/IntegerPrimitiveValueProviderFactory.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
 
 public class IntegerPrimitiveValueProviderFactory implements IPrimitiveValueProviderFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/PathList.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/PathList.java
index 6704e3b..38d28f3 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/PathList.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/PathList.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IntArrayList;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.LongArrayList;
+import org.apache.hyracks.storage.am.common.ophelpers.IntArrayList;
+import org.apache.hyracks.storage.am.common.ophelpers.LongArrayList;
 
 public class PathList {
     private IntArrayList pageIds;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTree.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTree.java
index 266686f..a34256e 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTree.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTree.java
@@ -13,48 +13,48 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.concurrent.atomic.AtomicLong;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractTreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.impls.NodeFrontier;
-import edu.uci.ics.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.FrameOpSpaceStatus;
+import org.apache.hyracks.storage.am.common.impls.AbstractTreeIndex;
+import org.apache.hyracks.storage.am.common.impls.NodeFrontier;
+import org.apache.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.util.TreeIndexUtils;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriter;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class RTree extends AbstractTreeIndex {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeCursorInitialState.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeCursorInitialState.java
index 0ecb1a1..7ec2cb7 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeCursorInitialState.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeCursorInitialState.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class RTreeCursorInitialState implements ICursorInitialState {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeOpContext.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeOpContext.java
index a9171c3..f8e0650 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeOpContext.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeOpContext.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexOperationContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 
 public class RTreeOpContext implements IIndexOperationContext {
     private static final int INITIAL_TRAVERSE_LIST_SIZE = 100;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java
index ab82f08..e7a4ff5 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ICursorInitialState;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class RTreeSearchCursor implements ITreeIndexCursor {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
index a180421..8310a60 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.storage.am.common.api.ISplitKey;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.api.ISplitKey;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class RTreeSplitKey implements ISplitKey {
 	public byte[] leftPageData = null;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/Rectangle.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/Rectangle.java
index 25b911b..25001ea 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/Rectangle.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/Rectangle.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
 
 public class Rectangle {
     private int dim;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/SearchPredicate.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/SearchPredicate.java
index 35586e1..1b0637c 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/SearchPredicate.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/SearchPredicate.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.impls.AbstractSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.impls.AbstractSearchPredicate;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class SearchPredicate extends AbstractSearchPredicate {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
index 4a8cea5..65d9934 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
 
 public class TupleEntry implements Comparable<TupleEntry> {
 	private int tupleIndex;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
index 6e83086..58ea8b7 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
 import java.util.Arrays;
 import java.util.Collections;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/UnorderedSlotManager.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/UnorderedSlotManager.java
index fdb6763..67ca7f3 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/UnorderedSlotManager.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/UnorderedSlotManager.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.impls;
+package org.apache.hyracks.storage.am.rtree.impls;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.frames.AbstractSlotManager;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleMode;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.frames.AbstractSlotManager;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleMode;
+import org.apache.hyracks.storage.am.common.ophelpers.FindTupleNoExactMatchPolicy;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
 
 public class UnorderedSlotManager extends AbstractSlotManager {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparator.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparator.java
index 2d5757c..83d28b4 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparator.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparator.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.linearize;
+package org.apache.hyracks.storage.am.rtree.linearize;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.DoubleArrayList;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IntArrayList;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.DoublePrimitiveValueProviderFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.ophelpers.DoubleArrayList;
+import org.apache.hyracks.storage.am.common.ophelpers.IntArrayList;
+import org.apache.hyracks.storage.am.rtree.impls.DoublePrimitiveValueProviderFactory;
 
 /*
  * This compares two points based on the hilbert curve. Currently, it only supports
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
index aa47974..d5a25b3 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.linearize;
+package org.apache.hyracks.storage.am.rtree.linearize;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
 
 public class HilbertDoubleComparatorFactory implements ILinearizeComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparator.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparator.java
index 5a2391a..a6f0dff 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparator.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparator.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.linearize;
+package org.apache.hyracks.storage.am.rtree.linearize;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.DoubleArrayList;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.DoublePrimitiveValueProviderFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProvider;
+import org.apache.hyracks.storage.am.common.ophelpers.DoubleArrayList;
+import org.apache.hyracks.storage.am.rtree.impls.DoublePrimitiveValueProviderFactory;
 
 /*
  * This compares two points based on the z curve. For doubles, we cannot use
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
index e6a9c77..b89b841 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.linearize;
+package org.apache.hyracks.storage.am.rtree.linearize;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
 
 public class ZCurveDoubleComparatorFactory implements ILinearizeComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparator.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparator.java
index 054bb39..a4f8cda 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparator.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparator.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.linearize;
+package org.apache.hyracks.storage.am.rtree.linearize;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.DoubleArrayList;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.ophelpers.DoubleArrayList;
 
 /*
  * This compares two points based on the z curve. For doubles, we cannot use
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
index 55bc3c2..f81362a 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree.linearize;
+package org.apache.hyracks.storage.am.rtree.linearize;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparator;
+import org.apache.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
 
 public class ZCurveIntComparatorFactory implements ILinearizeComparatorFactory {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriter.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriter.java
index 32c4099..9885500 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriter.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriter.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.tuples;
+package org.apache.hyracks.storage.am.rtree.tuples;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
 
 public class RTreeTypeAwareTupleWriter extends TypeAwareTupleWriter {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriterFactory.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriterFactory.java
index 94aefdb..bb0cf0c 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriterFactory.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/tuples/RTreeTypeAwareTupleWriterFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.tuples;
+package org.apache.hyracks.storage.am.rtree.tuples;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class RTreeTypeAwareTupleWriterFactory implements ITreeIndexTupleWriterFactory {
 
diff --git a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/util/RTreeUtils.java b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/util/RTreeUtils.java
index e22f0c5..ab12ae7 100644
--- a/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/util/RTreeUtils.java
+++ b/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/util/RTreeUtils.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.util;
+package org.apache.hyracks.storage.am.rtree.util;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.data.PointablePrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.api.IPointableFactory;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.data.PointablePrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class RTreeUtils {
     public static RTree createRTree(IBufferCache bufferCache, IFileMapProvider fileMapProvider,
diff --git a/hyracks/hyracks-storage-common/pom.xml b/hyracks/hyracks-storage-common/pom.xml
index 890ae24..141c129 100644
--- a/hyracks/hyracks-storage-common/pom.xml
+++ b/hyracks/hyracks-storage-common/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-common</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -48,7 +48,7 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
index 8de973b..0e419ec 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common;
+package org.apache.hyracks.storage.common;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
 
 public interface IStorageManagerInterface extends Serializable {
     public IBufferCache getBufferCache(IHyracksTaskContext ctx);
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/BufferCache.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/BufferCache.java
index 2228f8c..21c3818 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/BufferCache.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/BufferCache.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.io.IOException;
 import java.io.OutputStream;
@@ -30,14 +30,14 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponent;
-import edu.uci.ics.hyracks.api.replication.IIOReplicationManager;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponent;
+import org.apache.hyracks.api.replication.IIOReplicationManager;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapManager;
 
 public class BufferCache implements IBufferCacheInternal, ILifeCycleComponent {
     private static final Logger LOGGER = Logger.getLogger(BufferCache.class.getName());
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/CachedPage.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/CachedPage.java
index 094c4f3..8f36663 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/CachedPage.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/CachedPage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.nio.ByteBuffer;
 import java.util.concurrent.atomic.AtomicBoolean;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ClockPageReplacementStrategy.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ClockPageReplacementStrategy.java
index b5edc8d..b2d8794 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ClockPageReplacementStrategy.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ClockPageReplacementStrategy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DebugBufferCache.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DebugBufferCache.java
index 3716445..96627d5 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DebugBufferCache.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DebugBufferCache.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.util.concurrent.atomic.AtomicLong;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.replication.IIOReplicationManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.replication.IIOReplicationManager;
 
 /**
  * Implementation of an IBufferCache that counts the number of pins/unpins,
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DelayPageCleanerPolicy.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DelayPageCleanerPolicy.java
index f9a93fe..358509b 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DelayPageCleanerPolicy.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DelayPageCleanerPolicy.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class DelayPageCleanerPolicy implements IPageCleanerPolicy {
     private long delay;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DirectBufferAllocator.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DirectBufferAllocator.java
index 488ccc6..b6499d2 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DirectBufferAllocator.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/DirectBufferAllocator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/HeapBufferAllocator.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/HeapBufferAllocator.java
index 3b7d25b..eba993b 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/HeapBufferAllocator.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/HeapBufferAllocator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCache.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCache.java
index 957d19d..5b48a7c 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCache.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCache.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.replication.IIOReplicationManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.replication.IIOReplicationManager;
 
 public interface IBufferCache {
     public void createFile(FileReference fileRef) throws HyracksDataException;
@@ -57,4 +57,4 @@
 
     public IIOReplicationManager getIIOReplicationManager();
 
-}
\ No newline at end of file
+}
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCacheInternal.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCacheInternal.java
index cd2e853..d3c616c 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCacheInternal.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IBufferCacheInternal.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 public interface IBufferCacheInternal extends IBufferCache {
     public ICachedPageInternal getPage(int cpid);
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICacheMemoryAllocator.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICacheMemoryAllocator.java
index a1d6599..e089a0d 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICacheMemoryAllocator.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICacheMemoryAllocator.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPage.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPage.java
index 6c86597..3ae5868 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPage.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPage.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 import java.nio.ByteBuffer;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPageInternal.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPageInternal.java
index 22c02d1..99285f5 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPageInternal.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/ICachedPageInternal.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 public interface ICachedPageInternal extends ICachedPage {
     public int getCachedPageId();
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageCleanerPolicy.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageCleanerPolicy.java
index 3337a62..4e388fb 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageCleanerPolicy.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageCleanerPolicy.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
  * Allows customization of the page cleaning strategy by the cleaner thread.
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageReplacementStrategy.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageReplacementStrategy.java
index 0adcf68..a7bdaaa 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageReplacementStrategy.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/buffercache/IPageReplacementStrategy.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.buffercache;
+package org.apache.hyracks.storage.common.buffercache;
 
 public interface IPageReplacementStrategy {
     public Object createPerPageStrategyObject(int cpid);
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/BufferedFileHandle.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/BufferedFileHandle.java
index 0102c83..f8c48b7 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/BufferedFileHandle.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/BufferedFileHandle.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-import edu.uci.ics.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IFileHandle;
 
 public class BufferedFileHandle {
     private final int fileId;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapManager.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapManager.java
index cc6c397..41d4168 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapManager.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapManager.java
@@ -12,10 +12,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
 
 /**
  * Maintains the mapping between file names and file ids.
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapProvider.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapProvider.java
index 62e8b71..8f9f752 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapProvider.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/IFileMapProvider.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.io.Serializable;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
 
 public interface IFileMapProvider extends Serializable {
     /**
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactory.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactory.java
index 1d1a671..b545bf1 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactory.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 public interface ILocalResourceFactory {
     public LocalResource createLocalResource(long resourceId, String resourceName, int partition);
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactoryProvider.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactoryProvider.java
index 466ebf6..4a05a68 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactoryProvider.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceFactoryProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepository.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepository.java
index 7ae2414..e918462 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepository.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepository.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ILocalResourceRepository {
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepositoryFactory.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepositoryFactory.java
index 01cb13b..713c52d 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepositoryFactory.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ILocalResourceRepositoryFactory.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public interface ILocalResourceRepositoryFactory {
     public ILocalResourceRepository createRepository() throws HyracksDataException;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/LocalResource.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/LocalResource.java
index dd69e67..a57b9c0 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/LocalResource.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/LocalResource.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.io.Serializable;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/NoOpLocalResourceFactoryProvider.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/NoOpLocalResourceFactoryProvider.java
index 8742942..5996426 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/NoOpLocalResourceFactoryProvider.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/NoOpLocalResourceFactoryProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 /**
  * Dummy operation factory provider that does nothing.
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactory.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactory.java
index e702d04..627e42a 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactory.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.util.concurrent.atomic.AtomicLong;
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactoryProvider.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactoryProvider.java
index 0c72a24..071addc 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactoryProvider.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/ResourceIdFactoryProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class ResourceIdFactoryProvider {
     private ILocalResourceRepository localResourceRepository;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientFileMapManager.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientFileMapManager.java
index 4d1d675..d226469 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientFileMapManager.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientFileMapManager.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
 
 public class TransientFileMapManager implements IFileMapManager {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactory.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactory.java
index ab19312..fa585b7 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactory.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 public class TransientLocalResourceFactory implements ILocalResourceFactory {
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactoryProvider.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactoryProvider.java
index 7d5eb3a..7700ab4 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactoryProvider.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceFactoryProvider.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 public class TransientLocalResourceFactoryProvider implements ILocalResourceFactoryProvider {
     
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepository.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepository.java
index 63b71a3..a1cd2bf 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepository.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepository.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class TransientLocalResourceRepository implements ILocalResourceRepository {
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepositoryFactory.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepositoryFactory.java
index 52486d1..3f317ff 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepositoryFactory.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/file/TransientLocalResourceRepositoryFactory.java
@@ -12,9 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.file;
+package org.apache.hyracks.storage.common.file;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class TransientLocalResourceRepositoryFactory implements ILocalResourceRepositoryFactory {
 
diff --git a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/sync/LatchType.java b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/sync/LatchType.java
index 25de887..2ca87a7 100644
--- a/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/sync/LatchType.java
+++ b/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/sync/LatchType.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common.sync;
+package org.apache.hyracks.storage.common.sync;
 
 public enum LatchType {
     LATCH_X,
diff --git a/hyracks/hyracks-test-support/pom.xml b/hyracks/hyracks-test-support/pom.xml
index 1f52ada..9895647 100644
--- a/hyracks/hyracks-test-support/pom.xml
+++ b/hyracks/hyracks-test-support/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-test-support</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -53,33 +53,33 @@
       <artifactId>junit</artifactId>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-control-nc</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-storage-common</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-storage-am-btree</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-storage-am-rtree</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>edu.uci.ics.hyracks</groupId>
+      <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-storage-am-lsm-invertedindex</artifactId>
       <version>0.2.16-SNAPSHOT</version>
       <type>jar</type>
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
index 8c2054b..7dc576d 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 
 public abstract class AbstractModificationOperationCallbackTest extends AbstractOperationCallbackTest {
 
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
index 93eb033..5f0bd7a 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
@@ -12,13 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public abstract class AbstractOperationCallbackTest {
     protected static final int NUM_KEY_FIELDS = 1;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
index a574ba5..e2d62ed 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
@@ -27,16 +27,16 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
 
 public abstract class AbstractSearchOperationCallbackTest extends AbstractOperationCallbackTest {
     private static final int NUM_TASKS = 2;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexBulkLoadTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexBulkLoadTest.java
index 54eac1e..41e5cd7 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexBulkLoadTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexBulkLoadTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexBulkLoadTest extends OrderedIndexTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexDeleteTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexDeleteTest.java
index 8cced18..82522dc 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexDeleteTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexDeleteTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexDeleteTest extends OrderedIndexTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
index 1ba804d..aae4675 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import static org.junit.Assert.fail;
 
@@ -23,32 +23,32 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.UnsortedInputException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.TestOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.api.UnsortedInputException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexExamplesTest {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexInsertTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexInsertTest.java
index ded52bf..d5dd064 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexInsertTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexInsertTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 
 /**
  * Tests the BTree insert operation with strings and integer fields using
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
index 673156f..ce9332e 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.ArrayList;
 import java.util.logging.Level;
@@ -21,20 +21,20 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.IndexMultiThreadTestDriver;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.IndexMultiThreadTestDriver;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexMultiThreadTest {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexSortedInsertTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexSortedInsertTest.java
index e8b83e8..145faca 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexSortedInsertTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexSortedInsertTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 
 /**
  * Tests the BTree insert operation with sorted stream of strings and integer fields using
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestContext.java
index 85c7fa5..a1b9912 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestContext.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Collection;
 import java.util.TreeSet;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IndexTestContext;
+import org.apache.hyracks.storage.am.common.api.IIndex;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexTestContext extends IndexTestContext<CheckTuple> {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
index 6f3923c..fdcd53f 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 import java.util.logging.Level;
@@ -21,13 +21,13 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
index a2a4ba8..09f2840 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import static org.junit.Assert.fail;
 
@@ -27,25 +27,25 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 @SuppressWarnings("rawtypes")
 public class OrderedIndexTestUtils extends TreeIndexTestUtils {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpdateTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpdateTest.java
index e313f8a..a61df53 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpdateTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpdateTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 
 @SuppressWarnings("rawtypes")
 public abstract class OrderedIndexUpdateTest extends OrderedIndexTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpsertTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpsertTest.java
index 59fca63..f0ffa25 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpsertTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexUpsertTest.java
@@ -13,13 +13,13 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 
 /**
  * Tests the BTree insert operation with strings and integer fields using
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexLifecycleTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexLifecycleTest.java
index 8226c32..608f737 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexLifecycleTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexLifecycleTest.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
 
 public abstract class AbstractIndexLifecycleTest {
 
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexTestWorker.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexTestWorker.java
index 3c8b740..179a610 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexTestWorker.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/AbstractIndexTestWorker.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.TupleBatch;
 
 public abstract class AbstractIndexTestWorker extends Thread implements ITreeIndexTestWorker {
     private final Random rnd;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
index b396f22..5fa425d 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 @SuppressWarnings({"rawtypes", "unchecked"})
 public class CheckTuple<T extends Comparable<T>> implements Comparable<T> {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestContext.java
index 095b9c8..59ff621 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestContext.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
 
 @SuppressWarnings("rawtypes")
 public interface IIndexTestContext<T extends CheckTuple> {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestWorkerFactory.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestWorkerFactory.java
index 65ed2ce..d8cd491 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestWorkerFactory.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IIndexTestWorkerFactory.java
@@ -13,11 +13,11 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public interface IIndexTestWorkerFactory {
     public AbstractIndexTestWorker create(DataGenThread dataGen, TestOperationSelector opSelector, IIndex index,
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestContext.java
index bceb61d..97e2aaa 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestContext.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
 
 @SuppressWarnings("rawtypes")
 public interface ITreeIndexTestContext<T extends CheckTuple> {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestWorker.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestWorker.java
index a10c262..6b8a108 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestWorker.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/ITreeIndexTestWorker.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IndexException;
 
 public interface ITreeIndexTestWorker {
     void performOp(ITupleReference tuple, TestOperation op) throws HyracksDataException, IndexException;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
index d6e8eb6..8741873 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 @SuppressWarnings("rawtypes")
 public class IndexMultiThreadTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexTestContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexTestContext.java
index 339cd14..c765771 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexTestContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexTestContext.java
@@ -13,16 +13,16 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
 
 @SuppressWarnings("rawtypes")
 public abstract class IndexTestContext<T extends CheckTuple> implements IIndexTestContext<T> {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationCallback.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationCallback.java
index 95388f2..d6ebe8c 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationCallback.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationCallback.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
 
 public enum TestOperationCallback implements ISearchOperationCallback, IModificationOperationCallback {
     INSTANCE;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationSelector.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationSelector.java
index fc87f1d..827a22c 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationSelector.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestOperationSelector.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
 
 
 public class TestOperationSelector {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestWorkloadConf.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestWorkloadConf.java
index 2517361..40429cc 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestWorkloadConf.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TestWorkloadConf.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
 
 public class TestWorkloadConf {
     public final TestOperation[] ops;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
index 2919805..543103d 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.common;
+package org.apache.hyracks.storage.am.common;
 
 import static org.junit.Assert.fail;
 
@@ -27,18 +27,18 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 @SuppressWarnings("rawtypes")
 public abstract class TreeIndexTestUtils {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/config/AccessMethodTestsConfig.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/config/AccessMethodTestsConfig.java
index 6e1995c..8a1db58 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/config/AccessMethodTestsConfig.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/config/AccessMethodTestsConfig.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.config;
+package org.apache.hyracks.storage.am.config;
 
 /**
  * Global parameters used for executing access method JUnit tests.
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeBulkLoadTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeBulkLoadTest.java
index 11adaa2..4b6fa92 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeBulkLoadTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeBulkLoadTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public abstract class AbstractRTreeBulkLoadTest extends AbstractRTreeTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
index c9f4cc6..5fb189e 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public abstract class AbstractRTreeDeleteTest extends AbstractRTreeTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
index a693896..f94dda1 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.Random;
 import java.util.logging.Level;
@@ -21,34 +21,34 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.TestOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.impls.TreeIndexDiskOrderScanCursor;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 @SuppressWarnings("rawtypes")
 public abstract class AbstractRTreeExamplesTest {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
index 4b4da0a..68ca954 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 /**
  * Tests the RTree insert operation with integer and double fields using various
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
index 4aa24c6..c48dfe3 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.ArrayList;
 import java.util.logging.Level;
@@ -21,26 +21,26 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.IndexMultiThreadTestDriver;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.IndexMultiThreadTestDriver;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 @SuppressWarnings("rawtypes")
 public abstract class AbstractRTreeMultiThreadTest {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestContext.java
index 77c0665..5325f9e 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestContext.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.Collection;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.IndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.util.HashMultiSet;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.IndexTestContext;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.util.HashMultiSet;
 
 @SuppressWarnings("rawtypes")
 public abstract class AbstractRTreeTestContext extends IndexTestContext<RTreeCheckTuple> {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
index 472a1bf..caa0a0e 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.Random;
 import java.util.logging.Level;
@@ -21,17 +21,17 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.data.std.primitive.DoublePointable;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.data.std.primitive.DoublePointable;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 @SuppressWarnings("rawtypes")
 public abstract class AbstractRTreeTestDriver {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeCheckTuple.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeCheckTuple.java
index 04ed042..3cf7e44 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeCheckTuple.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeCheckTuple.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.CheckTuple;
 
 @SuppressWarnings({ "rawtypes", "unchecked" })
 public class RTreeCheckTuple<T> extends CheckTuple {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
index af7cf14..7b629c8 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import static org.junit.Assert.fail;
 
@@ -23,21 +23,21 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.util.HashMultiSet;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.util.HashMultiSet;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 @SuppressWarnings("rawtypes")
 public class RTreeTestUtils extends TreeIndexTestUtils {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/CounterContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/CounterContext.java
index a4482cf..c58158b 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/CounterContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/CounterContext.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounter;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.control.common.job.profiling.counters.Counter;
+import org.apache.hyracks.api.job.profiling.counters.ICounter;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.control.common.job.profiling.counters.Counter;
 
 public class CounterContext implements ICounterContext {
     private final String contextName;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestIndexLifecycleManagerProvider.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestIndexLifecycleManagerProvider.java
index fcba852..3fe02cc 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestIndexLifecycleManagerProvider.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestIndexLifecycleManagerProvider.java
@@ -12,11 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
 
 public class TestIndexLifecycleManagerProvider implements IIndexLifecycleManagerProvider {
 
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestJobletContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestJobletContext.java
index 03ff58f..009e7ef 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestJobletContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestJobletContext.java
@@ -12,22 +12,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.WorkspaceFileFactory;
-import edu.uci.ics.hyracks.control.nc.resources.memory.FrameManager;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.context.IHyracksJobletContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.job.JobId;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.WorkspaceFileFactory;
+import org.apache.hyracks.control.nc.resources.memory.FrameManager;
 
 public class TestJobletContext implements IHyracksJobletContext {
     private final int frameSize;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestNCApplicationContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestNCApplicationContext.java
index dd2455e..a550fd7 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestNCApplicationContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestNCApplicationContext.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.io.Serializable;
 import java.util.concurrent.ThreadFactory;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.application.IStateDumpHandler;
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.job.IJobSerializerDeserializerContainer;
-import edu.uci.ics.hyracks.api.lifecycle.ILifeCycleComponentManager;
-import edu.uci.ics.hyracks.api.lifecycle.LifeCycleComponentManager;
-import edu.uci.ics.hyracks.api.messages.IMessageBroker;
-import edu.uci.ics.hyracks.api.resources.memory.IMemoryManager;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.application.IStateDumpHandler;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.job.IJobSerializerDeserializerContainer;
+import org.apache.hyracks.api.lifecycle.ILifeCycleComponentManager;
+import org.apache.hyracks.api.lifecycle.LifeCycleComponentManager;
+import org.apache.hyracks.api.messages.IMessageBroker;
+import org.apache.hyracks.api.resources.memory.IMemoryManager;
 
 public class TestNCApplicationContext implements INCApplicationContext {
     private final ILifeCycleComponentManager lccm;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestRootContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestRootContext.java
index 1c7dddc..f6cebf0 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestRootContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestRootContext.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -20,12 +20,12 @@
 import java.util.Map;
 import java.util.concurrent.Executors;
 
-import edu.uci.ics.hyracks.api.client.NodeControllerInfo;
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.api.client.NodeControllerInfo;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
 
 public class TestRootContext implements IHyracksRootContext {
     private IOManager ioManager;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
index 2370b84..9378123 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -20,27 +20,27 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.ThreadFactory;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexLifecycleManager;
-import edu.uci.ics.hyracks.storage.common.buffercache.BufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ClockPageReplacementStrategy;
-import edu.uci.ics.hyracks.storage.common.buffercache.DelayPageCleanerPolicy;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IPageReplacementStrategy;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepositoryFactory;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactoryProvider;
-import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
-import edu.uci.ics.hyracks.storage.common.file.TransientLocalResourceRepositoryFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import org.apache.hyracks.storage.am.common.dataflow.IndexLifecycleManager;
+import org.apache.hyracks.storage.common.buffercache.BufferCache;
+import org.apache.hyracks.storage.common.buffercache.ClockPageReplacementStrategy;
+import org.apache.hyracks.storage.common.buffercache.DelayPageCleanerPolicy;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
+import org.apache.hyracks.storage.common.buffercache.IPageReplacementStrategy;
+import org.apache.hyracks.storage.common.file.IFileMapManager;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepositoryFactory;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
+import org.apache.hyracks.storage.common.file.ResourceIdFactoryProvider;
+import org.apache.hyracks.storage.common.file.TransientFileMapManager;
+import org.apache.hyracks.storage.common.file.TransientLocalResourceRepositoryFactory;
 
 public class TestStorageManagerComponentHolder {
     private static IBufferCache bufferCache;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
index 43b1619..cfa1bbb 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
@@ -12,15 +12,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
-import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
 
 public class TestStorageManagerInterface implements IStorageManagerInterface {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java
index 9e395ab..2e733f6 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestTaskContext.java
@@ -12,24 +12,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.deployment.DeploymentId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
-import edu.uci.ics.hyracks.api.resources.IDeallocatable;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.control.nc.io.WorkspaceFileFactory;
+import org.apache.hyracks.api.context.IHyracksJobletContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.state.IStateObject;
+import org.apache.hyracks.api.dataset.IDatasetPartitionManager;
+import org.apache.hyracks.api.deployment.DeploymentId;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.job.profiling.counters.ICounterContext;
+import org.apache.hyracks.api.resources.IDeallocatable;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.control.nc.io.WorkspaceFileFactory;
 
 public class TestTaskContext implements IHyracksTaskContext {
     private final TestJobletContext jobletContext;
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java
index b445c3b..f213c98 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestUtils.java
@@ -12,17 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.context.IHyracksRootContext;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.ActivityId;
-import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId;
-import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
-import edu.uci.ics.hyracks.api.dataflow.TaskId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.JobId;
+import org.apache.hyracks.api.application.INCApplicationContext;
+import org.apache.hyracks.api.context.IHyracksRootContext;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.ActivityId;
+import org.apache.hyracks.api.dataflow.OperatorDescriptorId;
+import org.apache.hyracks.api.dataflow.TaskAttemptId;
+import org.apache.hyracks.api.dataflow.TaskId;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.job.JobId;
 
 public class TestUtils {
     public static IHyracksTaskContext create(int frameSize) {
diff --git a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestVirtualBufferCacheProvider.java b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestVirtualBufferCacheProvider.java
index afbb86b..74403c8 100644
--- a/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestVirtualBufferCacheProvider.java
+++ b/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestVirtualBufferCacheProvider.java
@@ -12,16 +12,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.test.support;
+package org.apache.hyracks.test.support;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
 
 public class TestVirtualBufferCacheProvider implements IVirtualBufferCacheProvider {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/pom.xml
index 4409697..d7424e4 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-bloomfilter-test</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -37,14 +37,14 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-bloomfilter</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
index 09e75b8..951db62 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter;
+package org.apache.hyracks.storage.am.bloomfilter;
 
 import java.util.ArrayList;
 import java.util.Random;
@@ -24,19 +24,19 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilter;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.util.AbstractBloomFilterTest;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
+import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;
+import org.apache.hyracks.storage.am.bloomfilter.util.AbstractBloomFilterTest;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 @SuppressWarnings("rawtypes")
 public class BloomFilterTest extends AbstractBloomFilterTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
index 9f1f3da..07b42dc 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter;
+package org.apache.hyracks.storage.am.bloomfilter;
 
 import java.nio.ByteBuffer;
 import java.util.Random;
@@ -23,15 +23,15 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.MurmurHash128Bit;
-import edu.uci.ics.hyracks.storage.am.bloomfilter.util.AbstractBloomFilterTest;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.bloomfilter.impls.MurmurHash128Bit;
+import org.apache.hyracks.storage.am.bloomfilter.util.AbstractBloomFilterTest;
 
 @SuppressWarnings("rawtypes")
 public class MurmurHashForITupleReferenceTest extends AbstractBloomFilterTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/AbstractBloomFilterTest.java b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/AbstractBloomFilterTest.java
index 0cb2822..69b59dc 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/AbstractBloomFilterTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/AbstractBloomFilterTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.util;
+package org.apache.hyracks.storage.am.bloomfilter.util;
 
 import java.util.Random;
 import java.util.logging.Logger;
@@ -21,7 +21,7 @@
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractBloomFilterTest {
     protected final Logger LOGGER = Logger.getLogger(BloomFilterTestHarness.class.getName());
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/BloomFilterTestHarness.java b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/BloomFilterTestHarness.java
index 821ff6c..3fb2ce4 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/BloomFilterTestHarness.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/util/BloomFilterTestHarness.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.bloomfilter.util;
+package org.apache.hyracks.storage.am.bloomfilter.util;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class BloomFilterTestHarness {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml
index 5b5c6b4..ca0ff5d 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-am-btree-test</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -39,14 +39,14 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeBulkLoadTest.java
index 0e69f04..9cc1950 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeBulkLoadTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 
 public class BTreeBulkLoadTest extends OrderedIndexBulkLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeDeleteTest.java
index 36b5f69..6fe0cc0 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeDeleteTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 
 public class BTreeDeleteTest extends OrderedIndexDeleteTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeExamplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeExamplesTest.java
index d9459f6..5c38fb5 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeExamplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeExamplesTest.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 
 public class BTreeExamplesTest extends OrderedIndexExamplesTest {
     private final BTreeTestHarness harness = new BTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeInsertTest.java
index b5ff1ab..04e29fd 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeInsertTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 
 /**
  * Tests the BTree insert operation with strings and integer fields using 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeLifecycleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeLifecycleTest.java
index b3f1456..ff79a52 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeLifecycleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeLifecycleTest.java
@@ -12,20 +12,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexLifecycleTest;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.storage.am.common.AbstractIndexLifecycleTest;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
 
 public class BTreeLifecycleTest extends AbstractIndexLifecycleTest {
     private final BTreeTestHarness harness = new BTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
index 81efaa2..9c74cfd 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
 
 public class BTreeModificationOperationCallbackTest extends AbstractModificationOperationCallbackTest {
     private final BTreeTestHarness harness;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
index 88881e4..7b6a3ab 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
@@ -28,37 +28,37 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.AbstractBTreeTest;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
+import org.apache.hyracks.storage.am.common.TestOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class BTreeSearchCursorTest extends AbstractBTreeTest {
     private final int fieldCount = 2;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
index 12f8635..68dc1ac 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
 
 public class BTreeSearchOperationCallbackTest extends AbstractSearchOperationCallbackTest {
     private final BTreeTestHarness harness;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSortedInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSortedInsertTest.java
index 5e24c52..9e4e90a 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSortedInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSortedInsertTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 
 /**
  * Tests the BTree insert operation with sorted stream of strings and integer fields using
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeStatsTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeStatsTest.java
index 72e410a..9d5fbe7 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeStatsTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeStatsTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.io.DataOutput;
 import java.util.Random;
@@ -20,44 +20,44 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.util.AbstractBTreeTest;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexBufferCacheWarmup;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexStats;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexStatsGatherer;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
+import org.apache.hyracks.storage.am.common.TestOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.common.util.TreeIndexBufferCacheWarmup;
+import org.apache.hyracks.storage.am.common.util.TreeIndexStats;
+import org.apache.hyracks.storage.am.common.util.TreeIndexStatsGatherer;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 @SuppressWarnings("rawtypes")
 public class BTreeStatsTest extends AbstractBTreeTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
index 0605fe0..2e29e36 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
@@ -12,41 +12,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 import java.util.logging.Level;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.AbstractBTreeTest;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
+import org.apache.hyracks.storage.am.common.TestOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class BTreeUpdateSearchTest extends AbstractBTreeTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateTest.java
index 4d8cc6a..50d8860 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 
 public class BTreeUpdateTest extends OrderedIndexUpdateTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpsertTest.java
index 9602116..d29c9fd 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpsertTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestContext;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 
 /**
  * Tests the BTree insert operation with strings and integer fields using 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/FieldPrefixNSMTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/FieldPrefixNSMTest.java
index 49b9a8a..ef2e994 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/FieldPrefixNSMTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/FieldPrefixNSMTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.io.DataOutput;
 import java.util.Random;
@@ -22,34 +22,34 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.comm.IFrame;
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
-import edu.uci.ics.hyracks.api.comm.VSizeFrame;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
-import edu.uci.ics.hyracks.storage.am.btree.util.AbstractBTreeTest;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.util.TreeIndexUtils;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.comm.IFrame;
+import org.apache.hyracks.api.comm.IFrameTupleAccessor;
+import org.apache.hyracks.api.comm.VSizeFrame;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparator;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender;
+import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeFieldPrefixNSMLeafFrame;
+import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.storage.am.common.util.TreeIndexUtils;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class FieldPrefixNSMTest extends AbstractBTreeTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
index 5f77d68..c3e2e5b 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree;
+package org.apache.hyracks.storage.am.btree;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -22,12 +22,12 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.util.AbstractBTreeTest;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.sync.LatchType;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.sync.LatchType;
 
 public class StorageManagerTest extends AbstractBTreeTest {
     public class PinnedLatchedPage {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeMultiThreadTest.java
index ee305a6..87fc0ac 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeMultiThreadTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.multithread;
+package org.apache.hyracks.storage.am.btree.multithread;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexMultiThreadTest;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexMultiThreadTest;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
 
 public class BTreeMultiThreadTest extends OrderedIndexMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorker.java
index 2d7a318..63d5e23 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorker.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.multithread;
+package org.apache.hyracks.storage.am.btree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeNotUpdateableException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeNotUpdateableException;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public class BTreeTestWorker extends AbstractIndexTestWorker {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorkerFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorkerFactory.java
index a6d0425..bfd4961 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorkerFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/multithread/BTreeTestWorkerFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.multithread;
+package org.apache.hyracks.storage.am.btree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class BTreeTestWorkerFactory implements IIndexTestWorkerFactory {
     @Override
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/AbstractBTreeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/AbstractBTreeTest.java
index fee8209..89d992d 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/AbstractBTreeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/AbstractBTreeTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.util;
+package org.apache.hyracks.storage.am.btree.util;
 
 import java.util.logging.Logger;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractBTreeTest {
     protected final Logger LOGGER = Logger.getLogger(BTreeTestHarness.class.getName());
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
index 7aa6f18..886a5c9 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.util;
+package org.apache.hyracks.storage.am.btree.util;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 @SuppressWarnings("rawtypes")
 public class BTreeTestContext extends OrderedIndexTestContext {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestHarness.java b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestHarness.java
index 7792064..aa67f1f 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestHarness.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestHarness.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.btree.util;
+package org.apache.hyracks.storage.am.btree.util;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class BTreeTestHarness {
     public static final BTreeLeafFrameType[] LEAF_FRAMES_TO_TEST = new BTreeLeafFrameType[] {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/pom.xml
index 320d5c2..98f4601 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-lsm-btree-test</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -37,20 +37,20 @@
   </build>
   <dependencies>  	
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-lsm-btree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeBulkLoadTest.java
index 447c507..9298592 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeBulkLoadTest.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexBulkLoadTest;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexBulkLoadTest;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeBulkLoadTest extends OrderedIndexBulkLoadTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeDeleteTest.java
index 0303dbd..9e13ce3 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeDeleteTest.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexDeleteTest;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexDeleteTest;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeDeleteTest extends OrderedIndexDeleteTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
index f952be4..71c9865 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.logging.Level;
 
@@ -21,24 +21,24 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexExamplesTest;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.OrderedIndexExamplesTest;
+import org.apache.hyracks.storage.am.common.TestOperationCallback;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
 
 public class LSMBTreeExamplesTest extends OrderedIndexExamplesTest {
     private final LSMBTreeTestHarness harness = new LSMBTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeInsertTest.java
index 4fc3960..e33f71e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeInsertTest.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexInsertTest;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexInsertTest;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeInsertTest extends OrderedIndexInsertTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeLifecycleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeLifecycleTest.java
index f553b72..fecf3c3 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeLifecycleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeLifecycleTest.java
@@ -12,19 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexLifecycleTest;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestUtils;
+import org.apache.hyracks.storage.am.common.AbstractIndexLifecycleTest;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 public class LSMBTreeLifecycleTest extends AbstractIndexLifecycleTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTest.java
index f5cfb32..fe2b61c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeMergeTest extends LSMBTreeMergeTestDriver {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTestDriver.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTestDriver.java
index 9729d51..0b108ff 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTestDriver.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeTestDriver.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestDriver;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestDriver;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestUtils;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
 
 @SuppressWarnings("rawtypes")
 public abstract class LSMBTreeMergeTestDriver extends OrderedIndexTestDriver {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
index 3becd53..6575b73 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.AbstractModificationOperationCallbackTest;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerProvider;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.AbstractModificationOperationCallbackTest;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerProvider;
 
 public class LSMBTreeModificationOperationCallbackTest extends AbstractModificationOperationCallbackTest {
     private static final int NUM_TUPLES = 11;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMultiBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMultiBulkLoadTest.java
index 277df6b..c5f6a7c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMultiBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMultiBulkLoadTest.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexBulkLoadTest;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexBulkLoadTest;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeMultiBulkLoadTest extends OrderedIndexBulkLoadTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
index 32c80bc..ce25b0f 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.HashSet;
 import java.util.concurrent.Callable;
@@ -21,22 +21,22 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.AbstractSearchOperationCallbackTest;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.AbstractSearchOperationCallbackTest;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerProvider;
 
 public class LSMBTreeSearchOperationCallbackTest extends AbstractSearchOperationCallbackTest {
     private final LSMBTreeTestHarness harness;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeUpdateTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeUpdateTest.java
index a5097b4..958ae18 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeUpdateTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeUpdateTest.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree;
+package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexUpdateTest;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.btree.OrderedIndexUpdateTest;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeUpdateTest extends OrderedIndexUpdateTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeMultiThreadTest.java
index 0de7920..b63fe44 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeMultiThreadTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.multithread;
+package org.apache.hyracks.storage.am.lsm.btree.multithread;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexMultiThreadTest;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.btree.OrderedIndexMultiThreadTest;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
 
 public class LSMBTreeMultiThreadTest extends OrderedIndexMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorker.java
index 8ab5d22..ba1d09b 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorker.java
@@ -13,27 +13,27 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.multithread;
+package org.apache.hyracks.storage.am.lsm.btree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeNotUpdateableException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree.LSMBTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeNotUpdateableException;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexDuplicateKeyException;
+import org.apache.hyracks.storage.am.common.exceptions.TreeIndexNonExistentKeyException;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree.LSMBTreeAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
 
 public class LSMBTreeTestWorker extends AbstractIndexTestWorker {
     private final LSMBTree lsmBTree;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorkerFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorkerFactory.java
index 2015a66..6904eb5 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorkerFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/multithread/LSMBTreeTestWorkerFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.multithread;
+package org.apache.hyracks.storage.am.lsm.btree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class LSMBTreeTestWorkerFactory implements IIndexTestWorkerFactory {
     @Override
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java
index 52cbddb..b0a584c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.TupleBatch;
 
 public class BTreeBulkLoadRunner extends BTreeRunner {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java
index 377fe17..b538b24 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
 import java.util.Enumeration;
 import java.util.logging.Level;
 import java.util.logging.LogManager;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class BTreePageSizePerf {
     public static void main(String[] args) throws Exception {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java
index 58a82c9..e7c4a25 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class BTreeRunner extends InMemoryBTreeRunner {
     protected static final int MAX_OPEN_FILES = 10;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java
index 4f09faa..b4f2d54 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
 import java.nio.ByteBuffer;
 import java.util.Comparator;
 import java.util.concurrent.ConcurrentSkipListSet;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.TupleBatch;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class ConcurrentSkipListRunner implements IExperimentRunner {
     public class TupleComparator implements Comparator<ITupleReference> {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java
index 42fae67..b688cdd 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public interface IExperimentRunner {
     public static int DEFAULT_MAX_OUTSTANDING = 100000;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java
index e91b7d3..1570fb2 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java
@@ -13,33 +13,33 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.btree.impls.BTree;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.TupleBatch;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.TransientFileMapManager;
 
 public class InMemoryBTreeRunner extends Thread implements IExperimentRunner {
     protected IBufferCache bufferCache;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java
index 116862e..2a3b7ad 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -21,15 +21,15 @@
 import java.util.Comparator;
 import java.util.concurrent.ConcurrentSkipListSet;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.TupleBatch;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriter;
+import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class InMemorySortRunner implements IExperimentRunner {
     public class TupleComparator implements Comparator<ITupleReference> {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java
index 12079f2..83dc3dc 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
@@ -22,33 +22,33 @@
 import java.util.List;
 import java.util.concurrent.ThreadFactory;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AsynchronousScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.TupleBatch;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.AsynchronousScheduler;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class LSMTreeRunner implements IExperimentRunner {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java
index 2354550..ce0f38f 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
+package org.apache.hyracks.storage.am.lsm.btree.perf;
 
 import java.util.Enumeration;
 import java.util.logging.Level;
 import java.util.logging.LogManager;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class PerfExperiment {
     public static void main(String[] args) throws Exception {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTuplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTuplesTest.java
index 438c035..e7fab49 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTuplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTuplesTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.tuples;
+package org.apache.hyracks.storage.am.lsm.btree.tuples;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -24,16 +24,16 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenUtils;
-import edu.uci.ics.hyracks.storage.am.common.datagen.IFieldValueGenerator;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.datagen.DataGenUtils;
+import org.apache.hyracks.storage.am.common.datagen.IFieldValueGenerator;
 
 @SuppressWarnings("rawtypes")
 public class LSMBTreeTuplesTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestContext.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestContext.java
index f04dbdd..51a7310 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestContext.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestContext.java
@@ -13,28 +13,28 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.util;
+package org.apache.hyracks.storage.am.lsm.btree.util;
 
 import java.util.Collection;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 @SuppressWarnings("rawtypes")
 public final class LSMBTreeTestContext extends OrderedIndexTestContext {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestHarness.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestHarness.java
index 91393b3..4791847 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestHarness.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/util/LSMBTreeTestHarness.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.btree.util;
+package org.apache.hyracks.storage.am.lsm.btree.util;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -24,29 +24,29 @@
 import java.util.Random;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class LSMBTreeTestHarness {
     protected static final Logger LOGGER = Logger.getLogger(LSMBTreeTestHarness.class.getName());
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/pom.xml
index c2be433..a800f19 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-lsm-common-test</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -37,14 +37,14 @@
   </build>
   <dependencies>  	
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-lsm-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyLSMIndexFileManager.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyLSMIndexFileManager.java
index e4dd974..1ed9bde 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyLSMIndexFileManager.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyLSMIndexFileManager.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common;
+package org.apache.hyracks.storage.am.lsm.common;
 
 import java.io.File;
 import java.io.FilenameFilter;
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 public class DummyLSMIndexFileManager extends AbstractLSMIndexFileManager {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyTreeFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyTreeFactory.java
index 4a88417..a88a3c1 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyTreeFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/DummyTreeFactory.java
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common;
+package org.apache.hyracks.storage.am.lsm.common;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
 
 public class DummyTreeFactory extends TreeIndexFactory<ITreeIndex> {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/LSMIndexFileManagerTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/LSMIndexFileManagerTest.java
index d9fdeb3..168b590 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/LSMIndexFileManagerTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/LSMIndexFileManagerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common;
+package org.apache.hyracks.storage.am.lsm.common;
 
 import static org.junit.Assert.assertEquals;
 
@@ -33,16 +33,16 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFileManager;
+import org.apache.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
 
 public class LSMIndexFileManagerTest {
     private static final int DEFAULT_PAGE_SIZE = 256;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualBufferCacheTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualBufferCacheTest.java
index 0274c5c..423b070 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualBufferCacheTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualBufferCacheTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.common;
+package org.apache.hyracks.storage.am.lsm.common;
 
 import static org.junit.Assert.assertTrue;
 
@@ -24,12 +24,12 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class VirtualBufferCacheTest {
     private static final long SEED = 123456789L;
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualFreePageManagerTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualFreePageManagerTest.java
index af939c0..6de69c4 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualFreePageManagerTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/org/apache/hyracks/storage/am/lsm/common/VirtualFreePageManagerTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.common;
+package org.apache.hyracks.storage.am.lsm.common;
 
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
 
 public class VirtualFreePageManagerTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/pom.xml
index e74c866..1767811 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/pom.xml
@@ -18,7 +18,7 @@
 
 	<parent>
 		<artifactId>hyracks-tests</artifactId>
-		<groupId>edu.uci.ics.hyracks</groupId>
+		<groupId>org.apache.hyracks</groupId>
 		<version>0.2.16-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
@@ -38,21 +38,21 @@
 	</build>
 	<dependencies>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-storage-am-lsm-invertedindex</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-test-support</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>edu.uci.ics.hyracks</groupId>
+			<groupId>org.apache.hyracks</groupId>
 			<artifactId>hyracks-data-std</artifactId>
 			<version>0.2.16-SNAPSHOT</version>
 			<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexBulkLoadTest.java
index ee09f2f..065be32 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexBulkLoadTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class LSMInvertedIndexBulkLoadTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexDeleteTest.java
index 2153f7d..58b862e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexDeleteTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class LSMInvertedIndexDeleteTest extends AbstractInvertedIndexDeleteTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexInsertTest.java
index 748dd32..f555163 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexInsertTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class LSMInvertedIndexInsertTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexMergeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexMergeTest.java
index 3713498..ba7f4e5 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexMergeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexMergeTest.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public class LSMInvertedIndexMergeTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexSearchTest.java
index ec337e7..c4fc6cb 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/LSMInvertedIndexSearchTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class LSMInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexBulkLoadTest.java
index 0f0345f..c3846b9 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexBulkLoadTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedLSMInvertedIndexBulkLoadTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexDeleteTest.java
index ac46e14..4d0d4f8 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexDeleteTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedLSMInvertedIndexDeleteTest extends AbstractInvertedIndexDeleteTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexInsertTest.java
index 608f2fc..fc9d12e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexInsertTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedLSMInvertedIndexInsertTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexMergeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexMergeTest.java
index 53076fa..b08da59 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexMergeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexMergeTest.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
 import java.io.IOException;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public class PartitionedLSMInvertedIndexMergeTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexSearchTest.java
index 6c2f79d..df2b88b 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/PartitionedLSMInvertedIndexSearchTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex;
+package org.apache.hyracks.storage.am.lsm.invertedindex;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedLSMInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexDeleteTest.java
index 3fa3ca7..4879f19 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexDeleteTest.java
@@ -13,19 +13,19 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common;
+package org.apache.hyracks.storage.am.lsm.invertedindex.common;
 
 import java.io.IOException;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public abstract class AbstractInvertedIndexDeleteTest extends AbstractInvertedIndexTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java
index 8ccc203..7ffc044 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common;
+package org.apache.hyracks.storage.am.lsm.invertedindex.common;
 
 import java.io.IOException;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public abstract class AbstractInvertedIndexLoadTest extends AbstractInvertedIndexTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java
index 49316ee..4b875f8 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common;
+package org.apache.hyracks.storage.am.lsm.invertedindex.common;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -23,17 +23,17 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.EditDistanceSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.EditDistanceSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public abstract class AbstractInvertedIndexSearchTest extends AbstractInvertedIndexTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexTest.java
index fb27efc..b10f4d5 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common;
+package org.apache.hyracks.storage.am.lsm.invertedindex.common;
 
 import java.io.IOException;
 import java.util.logging.Level;
@@ -22,18 +22,18 @@
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public abstract class AbstractInvertedIndexTest {
     protected final Logger LOGGER = Logger.getLogger(AbstractInvertedIndexTest.class.getName());
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/LSMInvertedIndexTestHarness.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/LSMInvertedIndexTestHarness.java
index 805a2bf..e4ac193 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/LSMInvertedIndexTestHarness.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/common/LSMInvertedIndexTestHarness.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common;
+package org.apache.hyracks.storage.am.lsm.invertedindex.common;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -23,29 +23,29 @@
 import java.util.List;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.MultitenantVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.MultitenantVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class LSMInvertedIndexTestHarness {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexDeleteTest.java
index 4239531..f120282 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexDeleteTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class InMemoryInvertedIndexDeleteTest extends AbstractInvertedIndexDeleteTest {
     
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexInsertTest.java
index 8bc2817..0108a07 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexInsertTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class InMemoryInvertedIndexInsertTest extends AbstractInvertedIndexLoadTest {
     
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java
index a4917ff..e776370 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class InMemoryInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexDeleteTest.java
index a449eb0..f143495 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexDeleteTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexDeleteTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedInMemoryInvertedIndexDeleteTest extends AbstractInvertedIndexDeleteTest {
     
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexInsertTest.java
index 46ea72c..cb22ad9 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexInsertTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedInMemoryInvertedIndexInsertTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexSearchTest.java
index 3e0c5d2..e97c40e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/inmemory/PartitionedInMemoryInvertedIndexSearchTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+package org.apache.hyracks.storage.am.lsm.invertedindex.inmemory;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedInMemoryInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTest.java
index aa5b57f..92bedd4 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.multithread;
+package org.apache.hyracks.storage.am.lsm.invertedindex.multithread;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -22,19 +22,19 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestUtils;
 
 public class LSMInvertedIndexMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTestDriver.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTestDriver.java
index 73f52be..6341ea7 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTestDriver.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexMultiThreadTestDriver.java
@@ -13,15 +13,15 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.multithread;
+package org.apache.hyracks.storage.am.lsm.invertedindex.multithread;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.IndexMultiThreadTestDriver;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.datagen.IFieldValueGenerator;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.IndexMultiThreadTestDriver;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.datagen.IFieldValueGenerator;
 
 @SuppressWarnings("rawtypes")
 public class LSMInvertedIndexMultiThreadTestDriver extends IndexMultiThreadTestDriver {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexTestWorker.java
index 34b3ff7..185fc54 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexTestWorker.java
@@ -13,32 +13,32 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.multithread;
+package org.apache.hyracks.storage.am.lsm.invertedindex.multithread;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 
 public class LSMInvertedIndexTestWorker extends AbstractIndexTestWorker {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexWorkerFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexWorkerFactory.java
index c211edb..dddb744 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexWorkerFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/LSMInvertedIndexWorkerFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.multithread;
+package org.apache.hyracks.storage.am.lsm.invertedindex.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class LSMInvertedIndexWorkerFactory implements IIndexTestWorkerFactory {
     @Override
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/PartitionedLSMInvertedIndexMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/PartitionedLSMInvertedIndexMultiThreadTest.java
index 6120139..8bc1889 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/PartitionedLSMInvertedIndexMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/multithread/PartitionedLSMInvertedIndexMultiThreadTest.java
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.multithread;
+package org.apache.hyracks.storage.am.lsm.invertedindex.multithread;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedLSMInvertedIndexMultiThreadTest extends LSMInvertedIndexMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleTest.java
index f8aa378..c8e4d0f 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/FixedSizeFrameTupleTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -23,11 +23,11 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAppender;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.ondisk.FixedSizeFrameTupleAppender;
 
 public class FixedSizeFrameTupleTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexBulkLoadTest.java
index 776b193..7445d06 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexBulkLoadTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class OnDiskInvertedIndexBulkLoadTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexLifecycleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexLifecycleTest.java
index ef3eb39..aa04234 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexLifecycleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexLifecycleTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
 import java.io.File;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexLifecycleTest;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
+import org.apache.hyracks.storage.am.common.AbstractIndexLifecycleTest;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
 
 public class OnDiskInvertedIndexLifecycleTest extends AbstractIndexLifecycleTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchTest.java
index 8d32b76..e261102 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class OnDiskInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexBulkLoadTest.java
index 6b9890d..ae4ef4e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexBulkLoadTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexLoadTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedOnDiskInvertedIndexBulkLoadTest extends AbstractInvertedIndexLoadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexSearchTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexSearchTest.java
index 45b9cf0..22ef223 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexSearchTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/PartitionedOnDiskInvertedIndexSearchTest.java
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk;
+package org.apache.hyracks.storage.am.lsm.invertedindex.ondisk;
 
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 public class PartitionedOnDiskInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramTokenizerTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramTokenizerTest.java
index 643f365..318c3b2 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramTokenizerTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/NGramTokenizerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -29,7 +29,7 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 public class NGramTokenizerTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/WordTokenizerTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/WordTokenizerTest.java
index 35aa236..b621ce2 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/WordTokenizerTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/WordTokenizerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers;
+package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -30,7 +30,7 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.data.std.util.GrowableArray;
 
 public class WordTokenizerTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestContext.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestContext.java
index 67ab292..ec49dff 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestContext.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestContext.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util;
+package org.apache.hyracks.storage.am.lsm.invertedindex.util;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
@@ -24,23 +24,23 @@
 import java.util.HashSet;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.InvertedIndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.lsm.common.freepage.VirtualFreePageManager;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.InvertedIndexException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 
 @SuppressWarnings("rawtypes")
 public class LSMInvertedIndexTestContext extends OrderedIndexTestContext {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java
index bbfe12d..c7daad2 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/org/apache/hyracks/storage/am/lsm/invertedindex/util/LSMInvertedIndexTestUtils.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util;
+package org.apache.hyracks.storage.am.lsm.invertedindex.util;
 
 import static org.junit.Assert.fail;
 
@@ -30,49 +30,49 @@
 import java.util.SortedSet;
 import java.util.TreeSet;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.data.std.util.GrowableArray;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DocumentStringFieldValueGenerator;
-import edu.uci.ics.hyracks.storage.am.common.datagen.IFieldValueGenerator;
-import edu.uci.ics.hyracks.storage.am.common.datagen.PersonNameFieldValueGenerator;
-import edu.uci.ics.hyracks.storage.am.common.datagen.SortedIntegerFieldValueGenerator;
-import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8NGramTokenFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8NGramTokenFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8WordTokenFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.data.std.util.GrowableArray;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import org.apache.hyracks.storage.am.btree.OrderedIndexTestUtils;
+import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DocumentStringFieldValueGenerator;
+import org.apache.hyracks.storage.am.common.datagen.IFieldValueGenerator;
+import org.apache.hyracks.storage.am.common.datagen.PersonNameFieldValueGenerator;
+import org.apache.hyracks.storage.am.common.datagen.SortedIntegerFieldValueGenerator;
+import org.apache.hyracks.storage.am.common.datagen.TupleGenerator;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
+import org.apache.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
+import org.apache.hyracks.storage.am.lsm.invertedindex.exceptions.OccurrenceThresholdPanicException;
+import org.apache.hyracks.storage.am.lsm.invertedindex.search.InvertedIndexSearchPredicate;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8NGramTokenFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizerFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8NGramTokenFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8WordTokenFactory;
+import org.apache.hyracks.storage.am.lsm.invertedindex.util.LSMInvertedIndexTestContext.InvertedIndexType;
 
 @SuppressWarnings("rawtypes")
 public class LSMInvertedIndexTestUtils {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/pom.xml
index 3f821b6..5058dd5 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/pom.xml
@@ -17,7 +17,7 @@
   <artifactId>hyracks-storage-am-lsm-rtree-test</artifactId>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -37,14 +37,14 @@
   </build>
   <dependencies>  	
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-lsm-rtree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/AbstractLSMRTreeExamplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/AbstractLSMRTreeExamplesTest.java
index 028c194..71c8077 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/AbstractLSMRTreeExamplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/AbstractLSMRTreeExamplesTest.java
@@ -13,29 +13,29 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.logging.Level;
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeExamplesTest;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeExamplesTest;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 public abstract class AbstractLSMRTreeExamplesTest extends AbstractRTreeExamplesTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeBulkLoadTest.java
index dadd08c..7aeffa6 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeBulkLoadTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeBulkLoadTest;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeBulkLoadTest;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeBulkLoadTest extends AbstractRTreeBulkLoadTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeDeleteTest.java
index 0b92cd3..e21a38c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeDeleteTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeDeleteTest;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeDeleteTest;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeDeleteTest extends AbstractRTreeDeleteTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeExamplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeExamplesTest.java
index 8339cad..fe0daa8 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeExamplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeExamplesTest.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class LSMRTreeExamplesTest extends AbstractLSMRTreeExamplesTest {
     private final LSMRTreeTestHarness harness = new LSMRTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeInsertTest.java
index 35c6a6b..c82bc58 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeInsertTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeInsertTest;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeInsertTest;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeInsertTest extends AbstractRTreeInsertTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeLifecycleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeLifecycleTest.java
index 6ef2e94..ec76e84 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeLifecycleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeLifecycleTest.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexLifecycleTest;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.rtree.RTreeTestUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.AbstractIndexLifecycleTest;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.rtree.RTreeTestUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 public class LSMRTreeLifecycleTest extends AbstractIndexLifecycleTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTest.java
index 94528e7..02cec43 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTest.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestContext;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeMergeTest extends LSMRTreeMergeTestDriver {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTestDriver.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTestDriver.java
index a410b2a..dcf8860 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTestDriver.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeMergeTestDriver.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.AbstractLSMRTree;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestDriver;
-import edu.uci.ics.hyracks.storage.am.rtree.RTreeTestUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.AbstractLSMRTree;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestDriver;
+import org.apache.hyracks.storage.am.rtree.RTreeTestUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public abstract class LSMRTreeMergeTestDriver extends AbstractRTreeTestDriver {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesBulkLoadTest.java
index 22a6eb8..2b7368a 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesBulkLoadTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeBulkLoadTest;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeBulkLoadTest;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeWithAntiMatterTuplesBulkLoadTest extends AbstractRTreeBulkLoadTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesDeleteTest.java
index 10aec7e..997c31b 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesDeleteTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeDeleteTest;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeDeleteTest;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeWithAntiMatterTuplesDeleteTest extends AbstractRTreeDeleteTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesExamplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesExamplesTest.java
index 86edf62..91cd9c0 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesExamplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesExamplesTest.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class LSMRTreeWithAntiMatterTuplesExamplesTest extends AbstractLSMRTreeExamplesTest {
     private final LSMRTreeTestHarness harness = new LSMRTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesInsertTest.java
index e5b33cc..88c64ba 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesInsertTest.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeInsertTest;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeInsertTest;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeWithAntiMatterTuplesInsertTest extends AbstractRTreeInsertTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesLifecycleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesLifecycleTest.java
index 10ae5e1..657bfa2 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesLifecycleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesLifecycleTest.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexLifecycleTest;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.RTreeTestUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.AbstractIndexLifecycleTest;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
+import org.apache.hyracks.storage.am.rtree.RTreeTestUtils;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
 
 public class LSMRTreeWithAntiMatterTuplesLifecycleTest extends AbstractIndexLifecycleTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesMergeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesMergeTest.java
index 21d3759..f6cdcac 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesMergeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/LSMRTreeWithAntiMatterTuplesMergeTest.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree;
+package org.apache.hyracks.storage.am.lsm.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeWithAntiMatterTuplesTestContext;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 @SuppressWarnings("rawtypes")
 public class LSMRTreeWithAntiMatterTuplesMergeTest extends LSMRTreeMergeTestDriver {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/AbstractLSMRTreeTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/AbstractLSMRTreeTestWorker.java
index 710d181..c433084 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/AbstractLSMRTreeTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/AbstractLSMRTreeTestWorker.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 
 public abstract class AbstractLSMRTreeTestWorker extends AbstractIndexTestWorker {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeMultiThreadTest.java
index c2aa30e..98d3c0a 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeMultiThreadTest.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeMultiThreadTest;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeMultiThreadTest;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class LSMRTreeMultiThreadTest extends AbstractRTreeMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorker.java
index b52b518..85eac1e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorker.java
@@ -13,24 +13,24 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree.LSMRTreeAccessor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTree.LSMRTreeAccessor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
 
 public class LSMRTreeTestWorker extends AbstractIndexTestWorker {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorkerFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorkerFactory.java
index 2df1747..a234452 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorkerFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeTestWorkerFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class LSMRTreeTestWorkerFactory implements IIndexTestWorkerFactory {
     @Override
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesMultiThreadTest.java
index a843bb9..336152f 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesMultiThreadTest.java
@@ -13,26 +13,26 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeMultiThreadTest;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.storage.am.lsm.rtree.util.LSMRTreeTestHarness;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeMultiThreadTest;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class LSMRTreeWithAntiMatterTuplesMultiThreadTest extends AbstractRTreeMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorker.java
index eef80d6..c7dfb58 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorker.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.AbstractLSMRTree;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples.LSMRTreeWithAntiMatterTuplesAccessor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.AbstractLSMRTree;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples.LSMRTreeWithAntiMatterTuplesAccessor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
 
 public class LSMRTreeWithAntiMatterTuplesTestWorker extends AbstractLSMRTreeTestWorker {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorkerFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorkerFactory.java
index cf3ac02..e84eb40 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorkerFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/multithread/LSMRTreeWithAntiMatterTuplesTestWorkerFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.multithread;
+package org.apache.hyracks.storage.am.lsm.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class LSMRTreeWithAntiMatterTuplesTestWorkerFactory implements IIndexTestWorkerFactory {
     @Override
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestContext.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestContext.java
index 0ba6155..4985c9e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestContext.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestContext.java
@@ -13,31 +13,31 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.util;
+package org.apache.hyracks.storage.am.lsm.rtree.util;
 
 import java.util.Collection;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.RTreeCheckTuple;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.RTreeCheckTuple;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 @SuppressWarnings("rawtypes")
 public final class LSMRTreeTestContext extends AbstractRTreeTestContext {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestHarness.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestHarness.java
index 35e4ae8..a07fa0c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestHarness.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeTestHarness.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.util;
+package org.apache.hyracks.storage.am.lsm.rtree.util;
 
 import java.io.File;
 import java.io.FilenameFilter;
@@ -24,28 +24,28 @@
 import java.util.Random;
 import java.util.logging.Logger;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IODeviceHandle;
-import edu.uci.ics.hyracks.control.nc.io.IOManager;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IODeviceHandle;
+import org.apache.hyracks.control.nc.io.IOManager;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
+import org.apache.hyracks.storage.am.lsm.common.impls.ThreadCountingTracker;
+import org.apache.hyracks.storage.am.lsm.common.impls.VirtualBufferCache;
+import org.apache.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class LSMRTreeTestHarness {
     protected static final Logger LOGGER = Logger.getLogger(LSMRTreeTestHarness.class.getName());
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeWithAntiMatterTuplesTestContext.java b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeWithAntiMatterTuplesTestContext.java
index fdd0baf..f546a0c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeWithAntiMatterTuplesTestContext.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/org/apache/hyracks/storage/am/lsm/rtree/util/LSMRTreeWithAntiMatterTuplesTestContext.java
@@ -13,31 +13,31 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsm.rtree.util;
+package org.apache.hyracks.storage.am.lsm.rtree.util;
 
 import java.util.Collection;
 import java.util.List;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples;
-import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.RTreeCheckTuple;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
+import org.apache.hyracks.storage.am.lsm.rtree.impls.LSMRTreeWithAntiMatterTuples;
+import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.RTreeCheckTuple;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 @SuppressWarnings("rawtypes")
 public final class LSMRTreeWithAntiMatterTuplesTestContext extends AbstractRTreeTestContext {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml
index f625038..d11647c 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-am-rtree-test</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -39,14 +39,14 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-am-rtree</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeBulkLoadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeBulkLoadTest.java
index 4b68ddc..2ced742 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeBulkLoadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeBulkLoadTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class RTreeBulkLoadTest extends AbstractRTreeBulkLoadTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
index e203f2a..639c786 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class RTreeDeleteTest extends AbstractRTreeDeleteTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeExamplesTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeExamplesTest.java
index e9e56ea..4cf7f90 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeExamplesTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeExamplesTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestHarness;
 
 public class RTreeExamplesTest extends AbstractRTreeExamplesTest {
     private final RTreeTestHarness harness = new RTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
index 160528e..add80f4 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
@@ -13,20 +13,20 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.Random;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestHarness;
 
 @SuppressWarnings("rawtypes")
 public class RTreeInsertTest extends AbstractRTreeInsertTest {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeLifecycleTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeLifecycleTest.java
index b1bce5f..abeb41e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeLifecycleTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeLifecycleTest.java
@@ -12,23 +12,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexLifecycleTest;
-import edu.uci.ics.hyracks.storage.am.common.CheckTuple;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestContext;
-import edu.uci.ics.hyracks.storage.am.common.TreeIndexTestUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.storage.am.common.AbstractIndexLifecycleTest;
+import org.apache.hyracks.storage.am.common.CheckTuple;
+import org.apache.hyracks.storage.am.common.IIndexTestContext;
+import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrame;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestHarness;
 
 public class RTreeLifecycleTest extends AbstractIndexLifecycleTest {
     private final RTreeTestHarness harness = new RTreeTestHarness();
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeSearchCursorTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeSearchCursorTest.java
index 3818c41..a699678 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeSearchCursorTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeSearchCursorTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree;
+package org.apache.hyracks.storage.am.rtree;
 
 import java.util.ArrayList;
 import java.util.Random;
@@ -22,40 +22,40 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
-import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.dataflow.common.util.TupleUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.common.util.HashMultiSet;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
-import edu.uci.ics.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.AbstractRTreeTest;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import org.apache.hyracks.data.std.primitive.IntegerPointable;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.storage.am.common.api.IFreePageManager;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import org.apache.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
+import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.common.util.HashMultiSet;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
+import org.apache.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.RTreeSearchCursor;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.storage.am.rtree.tuples.RTreeTypeAwareTupleWriterFactory;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.storage.am.rtree.utils.AbstractRTreeTest;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class RTreeSearchCursorTest extends AbstractRTreeTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeMultiThreadTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeMultiThreadTest.java
index 14ad873..0ae2f23 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeMultiThreadTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeMultiThreadTest.java
@@ -13,25 +13,25 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.multithread;
+package org.apache.hyracks.storage.am.rtree.multithread;
 
 import java.util.ArrayList;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeMultiThreadTest;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
-import edu.uci.ics.hyracks.storage.am.rtree.utils.RTreeTestHarness;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.TestWorkloadConf;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.common.api.TreeIndexException;
+import org.apache.hyracks.storage.am.common.datagen.ProbabilityHelper;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeExamplesTest.RTreeType;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeMultiThreadTest;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.storage.am.rtree.utils.RTreeTestHarness;
 
 public class RTreeMultiThreadTest extends AbstractRTreeMultiThreadTest {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorker.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorker.java
index 04cf044..81e595f 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorker.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorker.java
@@ -13,23 +13,23 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.multithread;
+package org.apache.hyracks.storage.am.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
+import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.TestOperationSelector.TestOperation;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.api.IIndexCursor;
+import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
+import org.apache.hyracks.storage.am.common.api.IndexException;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.impls.SearchPredicate;
 
 public class RTreeTestWorker extends AbstractIndexTestWorker {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorkerFactory.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorkerFactory.java
index 4d06601..bbc41f6 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorkerFactory.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/multithread/RTreeTestWorkerFactory.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.multithread;
+package org.apache.hyracks.storage.am.rtree.multithread;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.common.AbstractIndexTestWorker;
-import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
-import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.common.AbstractIndexTestWorker;
+import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
+import org.apache.hyracks.storage.am.common.TestOperationSelector;
+import org.apache.hyracks.storage.am.common.api.IIndex;
+import org.apache.hyracks.storage.am.common.datagen.DataGenThread;
 
 public class RTreeTestWorkerFactory implements IIndexTestWorkerFactory {
     @Override
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/AbstractRTreeTest.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/AbstractRTreeTest.java
index 3eb075f..62c13ad 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/AbstractRTreeTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/AbstractRTreeTest.java
@@ -13,14 +13,14 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.utils;
+package org.apache.hyracks.storage.am.rtree.utils;
 
 import java.util.logging.Logger;
 
 import org.junit.After;
 import org.junit.Before;
 
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public abstract class AbstractRTreeTest {
     protected final Logger LOGGER = Logger.getLogger(RTreeTestHarness.class.getName());
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestContext.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestContext.java
index 738cef8..488f455 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestContext.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestContext.java
@@ -13,22 +13,22 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.utils;
+package org.apache.hyracks.storage.am.rtree.utils;
 
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext;
-import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
-import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
-import edu.uci.ics.hyracks.storage.am.rtree.util.RTreeUtils;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
+import org.apache.hyracks.api.dataflow.value.ITypeTraits;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import org.apache.hyracks.storage.am.common.api.ITreeIndex;
+import org.apache.hyracks.storage.am.rtree.AbstractRTreeTestContext;
+import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import org.apache.hyracks.storage.am.rtree.impls.RTree;
+import org.apache.hyracks.storage.am.rtree.util.RTreeUtils;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
 
 @SuppressWarnings("rawtypes")
 public class RTreeTestContext extends AbstractRTreeTestContext {
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestHarness.java b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestHarness.java
index 46b2e12..61ae871 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestHarness.java
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/utils/RTreeTestHarness.java
@@ -13,21 +13,21 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.rtree.utils;
+package org.apache.hyracks.storage.am.rtree.utils;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Random;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.config.AccessMethodTestsConfig;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class RTreeTestHarness {
 
diff --git a/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml
index 02012da..c99e65e 100644
--- a/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml
@@ -18,7 +18,7 @@
   <name>hyracks-storage-common-test</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
@@ -39,13 +39,13 @@
   </build>
   <dependencies>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
-  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
   		<version>0.2.16-SNAPSHOT</version>
   		<type>jar</type>
diff --git a/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheRegressionTest.java b/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheRegressionTest.java
index 05435fc..6e42aa9 100644
--- a/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheRegressionTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheRegressionTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common;
+package org.apache.hyracks.storage.common;
 
 import static org.junit.Assert.fail;
 
@@ -24,18 +24,18 @@
 import org.junit.Before;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.io.IFileHandle;
-import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.api.io.IIOManager.FileReadWriteMode;
-import edu.uci.ics.hyracks.api.io.IIOManager.FileSyncMode;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.api.io.IFileHandle;
+import org.apache.hyracks.api.io.IIOManager;
+import org.apache.hyracks.api.io.IIOManager.FileReadWriteMode;
+import org.apache.hyracks.api.io.IIOManager.FileSyncMode;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class BufferCacheRegressionTest {
     protected static final String tmpDir = System.getProperty("java.io.tmpdir");
diff --git a/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheTest.java b/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheTest.java
index a0566e3..9857b30 100644
--- a/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheTest.java
+++ b/hyracks/hyracks-tests/hyracks-storage-common-test/src/test/java/org/apache/hyracks/storage/common/BufferCacheTest.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.storage.common;
+package org.apache.hyracks.storage.common;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
@@ -27,15 +27,15 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
-import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-import edu.uci.ics.hyracks.test.support.TestStorageManagerComponentHolder;
-import edu.uci.ics.hyracks.test.support.TestUtils;
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.api.io.FileReference;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.test.support.TestStorageManagerComponentHolder;
+import org.apache.hyracks.test.support.TestUtils;
 
 public class BufferCacheTest {
     protected static final List<String> openedFiles = new ArrayList<String>();
diff --git a/hyracks/hyracks-tests/pom.xml b/hyracks/hyracks-tests/pom.xml
index 29d3665..e7ec470 100644
--- a/hyracks/hyracks-tests/pom.xml
+++ b/hyracks/hyracks-tests/pom.xml
@@ -19,7 +19,7 @@
   <name>hyracks-tests</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/pom.xml b/hyracks/hyracks-yarn/hyracks-yarn-am/pom.xml
index 1faf226..5da1ee2 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/pom.xml
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/pom.xml
@@ -16,7 +16,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>hyracks-yarn-am</artifactId>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-yarn</artifactId>
     <version>0.2.1-SNAPSHOT</version>
   </parent>
@@ -40,7 +40,7 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.yarn.am.HyracksYarnApplicationMaster</mainClass>
+                  <mainClass>org.apache.hyracks.yarn.am.HyracksYarnApplicationMaster</mainClass>
                   <name>hyracks-yarn-am</name>
                 </program>
               </programs>
@@ -80,7 +80,7 @@
   	<version>2.0.16</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-yarn-common</artifactId>
   	<version>0.2.1-SNAPSHOT</version>
   </dependency>
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/HyracksYarnApplicationMaster.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/HyracksYarnApplicationMaster.java
index 4065d45..9c5122c 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/HyracksYarnApplicationMaster.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/HyracksYarnApplicationMaster.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am;
+package org.apache.hyracks.yarn.am;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -46,12 +46,12 @@
 import org.apache.hadoop.yarn.util.Records;
 import org.kohsuke.args4j.CmdLineParser;
 
-import edu.uci.ics.hyracks.yarn.am.manifest.AbstractProcess;
-import edu.uci.ics.hyracks.yarn.am.manifest.ContainerSpecification;
-import edu.uci.ics.hyracks.yarn.am.manifest.HyracksCluster;
-import edu.uci.ics.hyracks.yarn.am.manifest.ManifestParser;
-import edu.uci.ics.hyracks.yarn.am.manifest.NodeController;
-import edu.uci.ics.hyracks.yarn.common.protocols.amrm.AMRMConnection;
+import org.apache.hyracks.yarn.am.manifest.AbstractProcess;
+import org.apache.hyracks.yarn.am.manifest.ContainerSpecification;
+import org.apache.hyracks.yarn.am.manifest.HyracksCluster;
+import org.apache.hyracks.yarn.am.manifest.ManifestParser;
+import org.apache.hyracks.yarn.am.manifest.NodeController;
+import org.apache.hyracks.yarn.common.protocols.amrm.AMRMConnection;
 
 public class HyracksYarnApplicationMaster {
     private final Options options;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/AbstractProcess.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/AbstractProcess.java
index e553964..872a4ed 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/AbstractProcess.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/AbstractProcess.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am.manifest;
+package org.apache.hyracks.yarn.am.manifest;
 
 public abstract class AbstractProcess {
     protected ContainerSpecification cSpec;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ClusterController.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ClusterController.java
index 59ce906..6aba29f 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ClusterController.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ClusterController.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am.manifest;
+package org.apache.hyracks.yarn.am.manifest;
 
 public class ClusterController extends AbstractProcess {    
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ContainerSpecification.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ContainerSpecification.java
index 983e2fa..deaa747 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ContainerSpecification.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ContainerSpecification.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am.manifest;
+package org.apache.hyracks.yarn.am.manifest;
 
 public class ContainerSpecification {
     private String hostname;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/HyracksCluster.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/HyracksCluster.java
index bacba42..4f22f3e 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/HyracksCluster.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/HyracksCluster.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am.manifest;
+package org.apache.hyracks.yarn.am.manifest;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ManifestParser.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ManifestParser.java
index fc3fc1a..dea2a2c 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ManifestParser.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/ManifestParser.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am.manifest;
+package org.apache.hyracks.yarn.am.manifest;
 
 import java.io.StringReader;
 
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/NodeController.java b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/NodeController.java
index 4863375..22bdde9 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/NodeController.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-am/src/main/java/org/apache/hyracks/yarn/am/manifest/NodeController.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.am.manifest;
+package org.apache.hyracks.yarn.am.manifest;
 
 public class NodeController extends AbstractProcess {
     private String id;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-client/pom.xml b/hyracks/hyracks-yarn/hyracks-yarn-client/pom.xml
index 2f035a0..36a7bf6 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-client/pom.xml
+++ b/hyracks/hyracks-yarn/hyracks-yarn-client/pom.xml
@@ -16,7 +16,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>hyracks-yarn-client</artifactId>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-yarn</artifactId>
     <version>0.2.1-SNAPSHOT</version>
   </parent>
@@ -40,11 +40,11 @@
             <configuration>
               <programs>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.yarn.client.LaunchHyracksApplication</mainClass>
+                  <mainClass>org.apache.hyracks.yarn.client.LaunchHyracksApplication</mainClass>
                   <name>launch-hyracks-application</name>
                 </program>
                 <program>
-                  <mainClass>edu.uci.ics.hyracks.yarn.client.KillHyracksApplication</mainClass>
+                  <mainClass>org.apache.hyracks.yarn.client.KillHyracksApplication</mainClass>
                   <name>kill-hyracks-application</name>
                 </program>
               </programs>
@@ -84,12 +84,12 @@
   	<version>2.0.16</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-yarn-common</artifactId>
   	<version>0.2.1-SNAPSHOT</version>
   </dependency>
   <dependency>
-  	<groupId>edu.uci.ics.hyracks</groupId>
+  	<groupId>org.apache.hyracks</groupId>
   	<artifactId>hyracks-yarn-am</artifactId>
   	<version>0.2.1-SNAPSHOT</version>
     <type>zip</type>
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/KillHyracksApplication.java b/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/KillHyracksApplication.java
index 65be86d..18a3f36 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/KillHyracksApplication.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/KillHyracksApplication.java
@@ -12,14 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.client;
+package org.apache.hyracks.yarn.client;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.yarn.common.protocols.clientrm.YarnClientRMConnection;
+import org.apache.hyracks.yarn.common.protocols.clientrm.YarnClientRMConnection;
 
 public class KillHyracksApplication {
     private final Options options;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/LaunchHyracksApplication.java b/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/LaunchHyracksApplication.java
index 266aa8a..cc65734 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/LaunchHyracksApplication.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/java/org/apache/hyracks/yarn/client/LaunchHyracksApplication.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.client;
+package org.apache.hyracks.yarn.client;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -28,10 +28,10 @@
 import org.kohsuke.args4j.CmdLineParser;
 import org.kohsuke.args4j.Option;
 
-import edu.uci.ics.hyracks.yarn.common.protocols.clientrm.YarnApplication;
-import edu.uci.ics.hyracks.yarn.common.protocols.clientrm.YarnClientRMConnection;
-import edu.uci.ics.hyracks.yarn.common.resources.LocalResourceHelper;
-import edu.uci.ics.hyracks.yarn.common.resources.ResourceHelper;
+import org.apache.hyracks.yarn.common.protocols.clientrm.YarnApplication;
+import org.apache.hyracks.yarn.common.protocols.clientrm.YarnClientRMConnection;
+import org.apache.hyracks.yarn.common.resources.LocalResourceHelper;
+import org.apache.hyracks.yarn.common.resources.ResourceHelper;
 
 public class LaunchHyracksApplication {
     private final Options options;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml b/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml
index 6454926..f31c0e1 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/pom.xml
@@ -16,7 +16,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>hyracks-yarn-common</artifactId>
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-yarn</artifactId>
     <version>0.2.1-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/amrm/AMRMConnection.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/amrm/AMRMConnection.java
index b607e7e..4957185 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/amrm/AMRMConnection.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/amrm/AMRMConnection.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.common.protocols.amrm;
+package org.apache.hyracks.yarn.common.protocols.amrm;
 
 import java.net.InetSocketAddress;
 import java.util.Map;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnApplication.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnApplication.java
index b3d8496..78d3154 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnApplication.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnApplication.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.common.protocols.clientrm;
+package org.apache.hyracks.yarn.common.protocols.clientrm;
 
 import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java
index b42ed1b..7986201 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/protocols/clientrm/YarnClientRMConnection.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.common.protocols.clientrm;
+package org.apache.hyracks.yarn.common.protocols.clientrm;
 
 import java.net.InetSocketAddress;
 
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/LocalResourceHelper.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/LocalResourceHelper.java
index 1d46e96..ad4c716 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/LocalResourceHelper.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/LocalResourceHelper.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.common.resources;
+package org.apache.hyracks.yarn.common.resources;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/ResourceHelper.java b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/ResourceHelper.java
index 422e728..85657fe 100644
--- a/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/ResourceHelper.java
+++ b/hyracks/hyracks-yarn/hyracks-yarn-common/src/main/java/org/apache/hyracks/yarn/common/resources/ResourceHelper.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.hyracks.yarn.common.resources;
+package org.apache.hyracks.yarn.common.resources;
 
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.util.Records;
diff --git a/hyracks/hyracks-yarn/pom.xml b/hyracks/hyracks-yarn/pom.xml
index 8a2c45c..f1fe33b 100644
--- a/hyracks/hyracks-yarn/pom.xml
+++ b/hyracks/hyracks-yarn/pom.xml
@@ -19,7 +19,7 @@
   <name>hyracks-yarn</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
     <version>0.2.1-SNAPSHOT</version>
   </parent>
diff --git a/hyracks/pom.xml b/hyracks/pom.xml
index 6e3e830..5455203 100644
--- a/hyracks/pom.xml
+++ b/hyracks/pom.xml
@@ -15,14 +15,14 @@
  !-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks</groupId>
+  <groupId>org.apache.hyracks</groupId>
   <artifactId>hyracks</artifactId>
   <version>0.2.16-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>hyracks</name>
 
   <parent>
-    <groupId>edu.uci.ics.hyracks</groupId>
+    <groupId>org.apache.hyracks</groupId>
     <artifactId>fullstack</artifactId>
     <version>0.2.16-SNAPSHOT</version>
   </parent>
diff --git a/pom.xml b/pom.xml
index b2db7b1..c51d8dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks</groupId>
+  <groupId>org.apache.hyracks</groupId>
   <artifactId>fullstack</artifactId>
   <version>0.2.16-SNAPSHOT</version>
   <packaging>pom</packaging>
@@ -161,6 +161,9 @@
             <exclude>**/current/VERSION</exclude>
             <exclude>**/blk_*</exclude>
             <exclude>**/resources/conf/*</exclude>
+            <exclude>**/target/*</exclude>
+            <exclude>**/*.iml</exclude>
+            <exclude>.*/*</exclude>
           </excludes>
         </configuration>
       </plugin>