diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml b/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
index dce275f..ba296ac 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
@@ -37,8 +37,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml b/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
index d94feb7..8e90606 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
@@ -41,8 +41,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatapp/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatapp/pom.xml
index 95cfaff..70c663d 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatapp/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatapp/pom.xml
@@ -147,8 +147,8 @@
       	<artifactId>maven-compiler-plugin</artifactId>
       	<version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
index d260601..dd96db8 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
@@ -33,8 +33,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
index f61b9e8..1e029be 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
@@ -32,8 +32,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml b/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
index 0df38e7..e31af75 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
     </plugins>
@@ -31,13 +31,6 @@
   		<scope>test</scope>
   	</dependency>
   	<dependency>
-        <groupId>edu.uci.ics.hyracks</groupId>
-        <artifactId>hyracks-client</artifactId>
-        <version>0.2.3-SNAPSHOT</version>
-        <type>jar</type>
-        <scope>compile</scope>
-    </dependency>
-  	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
   		<version>0.2.3-SNAPSHOT</version>
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/AbstractIntegrationTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/AbstractIntegrationTest.java
index 2fcd626..023bdd9 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/AbstractIntegrationTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/AbstractIntegrationTest.java
@@ -16,7 +16,6 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.io.PrintStream;
 import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.List;
@@ -31,16 +30,9 @@
 
 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.dataflow.value.IResultSerializer;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
-import edu.uci.ics.hyracks.api.dataset.IHyracksDataset;
-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.DatasetClientContext;
-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;
@@ -88,7 +80,6 @@
         ncConfig1.ccPort = 39001;
         ncConfig1.clusterNetIPAddress = "127.0.0.1";
         ncConfig1.dataIPAddress = "127.0.0.1";
-        ncConfig1.datasetIPAddress = "127.0.0.1";
         ncConfig1.nodeId = NC1_ID;
         nc1 = new NodeControllerService(ncConfig1);
         nc1.start();
@@ -98,7 +89,6 @@
         ncConfig2.ccPort = 39001;
         ncConfig2.clusterNetIPAddress = "127.0.0.1";
         ncConfig2.dataIPAddress = "127.0.0.1";
-        ncConfig2.datasetIPAddress = "127.0.0.1";
         ncConfig2.nodeId = NC2_ID;
         nc2 = new NodeControllerService(ncConfig2);
         nc2.start();
@@ -125,50 +115,6 @@
         if (LOGGER.isLoggable(Level.INFO)) {
             LOGGER.info(jobId.toString());
         }
-
-        // My code
-        int nReaders = 5;
-        DatasetClientContext datasetClientCtx = new DatasetClientContext(spec.getFrameSize());
-        IHyracksDataset hyracksDataset = new HyracksDataset(hcc, datasetClientCtx, nReaders);
-
-        hyracksDataset.open(jobId, spec.getResultSetIds().get(0));
-        /*        FrameTupleAccessor frameTupleAccessor = new FrameTupleAccessor(datasetClientCtx.getFrameSize(),
-                        recordDescriptor);
-
-                ByteBuffer readBuffer = datasetClientCtx.allocateFrame();
-                ByteBufferInputStream bbis = new ByteBufferInputStream();
-                DataInputStream di = new DataInputStream(bbis);
-
-                while (true) {
-                    readBuffer.clear();
-                    int size = hyracksDataset.read(readBuffer);
-                    if (size <= 0) {
-                        break;
-                    }
-                    try {
-                        frameTupleAccessor.reset(readBuffer);
-                        System.out.println("Tuple count: " + recordDescriptor);
-                        for (int tIndex = 0; tIndex < frameTupleAccessor.getTupleCount(); tIndex++) {
-                            int start = frameTupleAccessor.getTupleStartOffset(tIndex)
-                                    + frameTupleAccessor.getFieldSlotsLength();
-                            bbis.setByteBuffer(readBuffer, start);
-                            Object[] record = new Object[recordDescriptor.getFieldCount()];
-                            for (int i = 0; i < record.length; ++i) {
-                                Object instance = recordDescriptor.getFields()[i].deserialize(di);
-                                if (i == 0) {
-                                    System.out.print(String.valueOf(instance));
-                                } else {
-                                    System.out.print(", " + String.valueOf(instance));
-                                }
-                            }
-                            System.out.println();
-                        }
-                    } catch (IOException e) {
-                        throw new HyracksDataException(e);
-                    }
-                }
-                // End of my code
-        */
         hcc.waitForCompletion(jobId);
         dumpOutputFiles();
     }
@@ -198,27 +144,4 @@
         outputFiles.add(tempFile);
         return tempFile;
     }
-
-    protected IResultSerializerFactory getResultSerializedAppenderFactory() {
-        return new IResultSerializerFactory() {
-            private static final long serialVersionUID = 1L;
-
-            @Override
-            public IResultSerializer createResultSerializer(final PrintStream printStream) {
-                return new IResultSerializer() {
-                    private static final long serialVersionUID = 1L;
-
-                    @Override
-                    public void init() throws HyracksDataException {
-
-                    }
-
-                    @Override
-                    public boolean appendTuple(IFrameTupleAccessor tAccess, int tIdx) throws HyracksDataException {
-                        return true;
-                    }
-                };
-            }
-        };
-    }
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/SortMergeTest.java b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/SortMergeTest.java
index ab9605b..2c3fddf 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/SortMergeTest.java
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/integration/SortMergeTest.java
@@ -24,7 +24,6 @@
 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;
@@ -41,7 +40,7 @@
 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.file.PlainFileWriterOperatorDescriptor;
 import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
 import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
 
@@ -74,9 +73,9 @@
                 ordersDesc);
         PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, sorter, NC1_ID, NC2_ID);
 
-        ResultSetId rsId = new ResultSetId(1);
-        IOperatorDescriptor printer = new ResultWriterOperatorDescriptor(spec, rsId, true, ordersDesc,
-                getResultSerializedAppenderFactory());
+        IFileSplitProvider outSplits = new ConstantFileSplitProvider(new FileSplit[] { new FileSplit(NC1_ID,
+                createTempFile().getAbsolutePath()) });
+        IOperatorDescriptor printer = new PlainFileWriterOperatorDescriptor(spec, outSplits, ",");
         PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC1_ID);
 
         spec.connect(new OneToOneConnectorDescriptor(spec), ordScanner, 0, sorter, 0);
@@ -88,8 +87,6 @@
                         new IBinaryComparatorFactory[] { PointableBinaryComparatorFactory
                                 .of(UTF8StringPointable.FACTORY) }), sorter, 0, printer, 0);
 
-        spec.addResultSetId(rsId);
-
         runTest(spec);
     }
 
@@ -121,9 +118,9 @@
                         PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY) }, ordersDesc);
         PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, sorter, NC1_ID, NC2_ID);
 
-        ResultSetId rsId = new ResultSetId(1);
-        IOperatorDescriptor printer = new ResultWriterOperatorDescriptor(spec, rsId, false, ordersDesc,
-                getResultSerializedAppenderFactory());
+        IFileSplitProvider outSplits = new ConstantFileSplitProvider(new FileSplit[] { new FileSplit(NC1_ID,
+                createTempFile().getAbsolutePath()) });
+        IOperatorDescriptor printer = new PlainFileWriterOperatorDescriptor(spec, outSplits, ",");
         PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC1_ID);
 
         spec.connect(new OneToOneConnectorDescriptor(spec), ordScanner, 0, sorter, 0);
@@ -138,8 +135,6 @@
                                 PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY) }), sorter, 0,
                 printer, 0);
 
-        spec.addResultSetId(rsId);
-
         runTest(spec);
     }
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-examples/text-example/textapp/pom.xml b/hyracks/hyracks-examples/text-example/textapp/pom.xml
index 3834d08..8ac69d8 100644
--- a/hyracks/hyracks-examples/text-example/textapp/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textapp/pom.xml
@@ -142,8 +142,8 @@
       	<artifactId>maven-compiler-plugin</artifactId>
       	<version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>
diff --git a/hyracks/hyracks-examples/text-example/textclient/pom.xml b/hyracks/hyracks-examples/text-example/textclient/pom.xml
index af72b71..901f1fb2 100644
--- a/hyracks/hyracks-examples/text-example/textclient/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textclient/pom.xml
@@ -33,8 +33,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>
diff --git a/hyracks/hyracks-examples/text-example/texthelper/pom.xml b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
index 5095db8..8e32c8c 100644
--- a/hyracks/hyracks-examples/text-example/texthelper/pom.xml
+++ b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
@@ -36,8 +36,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml b/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
index 0f8d8fc..6b3f603 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
@@ -29,8 +29,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>