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 7ec5a8a..3ade4fa 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
@@ -58,10 +58,10 @@
 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.api.LSMOperationType;
 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;
 
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 ad78f6b..343f690 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
@@ -63,11 +63,11 @@
 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.api.LSMOperationType;
 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;
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 93d7b9d..018bc63 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
@@ -19,7 +19,6 @@
 package org.apache.hyracks.storage.am.lsm.common.api;
 
 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/ILSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMHarness.java
index 55e016b..63e651a 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
@@ -25,7 +25,6 @@
 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.lsm.common.impls.LSMOperationType;
 
 public interface ILSMHarness {
 
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 82f17a8..d76e310 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
@@ -21,7 +21,6 @@
 import java.util.List;
 
 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/ILSMIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
index 97dfa97..f5fbeb5 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
@@ -24,7 +24,6 @@
 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;
-import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
 
 /**
  * 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/ILSMIndexInternal.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexInternal.java
index 59a035f..aa410f3 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
@@ -29,7 +29,6 @@
 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.lsm.common.impls.LSMOperationType;
 
 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/ILSMIndexReplicationJob.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMIndexReplicationJob.java
index f6057ed..c64439e 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
@@ -20,7 +20,6 @@
 
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.api.replication.IReplicationJob;
-import org.apache.hyracks.storage.am.lsm.common.impls.LSMOperationType;
 
 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/ILSMOperationTracker.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/ILSMOperationTracker.java
index 96d4fbe..503c712 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
@@ -22,7 +22,6 @@
 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/impls/LSMOperationType.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/LSMOperationType.java
similarity index 94%
rename from hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMOperationType.java
rename to hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/api/LSMOperationType.java
index c439e0c..b083770 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/api/LSMOperationType.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.apache.hyracks.storage.am.lsm.common.impls;
+package org.apache.hyracks.storage.am.lsm.common.api;
 
 public enum LSMOperationType {
     SEARCH,
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 a832b4a..54ec029 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
@@ -20,6 +20,7 @@
 
 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.LSMOperationType;
 
 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/AbstractLSMIndex.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/AbstractLSMIndex.java
index 3d3f959..b3d21be 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
@@ -45,6 +45,7 @@
 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.api.LSMOperationType;
 import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 import org.apache.hyracks.storage.common.buffercache.ICachedPage;
 import org.apache.hyracks.storage.common.file.BufferedFileHandle;
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 29fc1e3..7ee5802 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
@@ -23,6 +23,7 @@
 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;
+import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
 
 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/BlockingIOOperationCallbackWrapper.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/BlockingIOOperationCallbackWrapper.java
index 6e169a8..a9a2129 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
@@ -23,6 +23,7 @@
 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.LSMOperationType;
 
 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/ExternalIndexHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ExternalIndexHarness.java
index c2aff6e..8e39223 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
@@ -37,6 +37,7 @@
 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.api.LSMOperationType;
 
 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/LSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
index bee62ed..ced47de 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
@@ -45,6 +45,7 @@
 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.LSMOperationType;
 
 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/LSMIndexReplicationJob.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexReplicationJob.java
index b520e8e3..18d25a8 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
@@ -25,6 +25,7 @@
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexReplicationJob;
+import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
 
 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/LSMTreeIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
index 7913626..f439d7e 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
@@ -33,6 +33,7 @@
 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.common.api.LSMOperationType;
 
 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/NoOpIOOperationCallback.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/NoOpIOOperationCallback.java
index cba9bd6..0713d7d 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
@@ -26,6 +26,7 @@
 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;
+import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
 
 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 d277589..406d096 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
@@ -25,6 +25,7 @@
 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;
+import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
 
 /**
  * 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/ThreadCountingTracker.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/ThreadCountingTracker.java
index 1c5799c..9b255d7 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
@@ -28,6 +28,7 @@
 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;
+import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
 
 public class ThreadCountingTracker implements ILSMOperationTracker {
     private final AtomicInteger threadRefCount;
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 3866c80..4c4a552 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
@@ -32,7 +32,7 @@
 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.common.impls.LSMOperationType;
+import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
 import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
 import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
 
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 d867af2..7e86ed8 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
@@ -55,10 +55,10 @@
 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.api.LSMOperationType;
 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;