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Posted to notifications@asterixdb.apache.org by "Michael Blow (Code Review)" <do...@asterixdb.incubator.apache.org> on 2016/06/14 03:14:37 UTC

Change in asterixdb[master]: Eliminate Hard Tabs From Java Files

Michael Blow has uploaded a new change for review.

  https://asterix-gerrit.ics.uci.edu/921

Change subject: Eliminate Hard Tabs From Java Files
......................................................................

Eliminate Hard Tabs From Java Files

tabs->spaces

Change-Id: I0dfbeaa9b9b24d3da106ead85afd9df02b14ddaa
---
M asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
M hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
M hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
M hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
M hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
M hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
M hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
M hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
67 files changed, 1,208 insertions(+), 1,209 deletions(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb refs/changes/21/921/1

diff --git a/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java b/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
index 8c92cd1..05ba774 100644
--- a/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
+++ b/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
@@ -33,7 +33,7 @@
 
     public static void main(String[] args) throws IOException {
 
-	LogManager.getRootLogger().setLevel(Level.DEBUG);
+        LogManager.getRootLogger().setLevel(Level.DEBUG);
 
         LOG.info("Obliterator args: " + Arrays.toString(args));
         for (int i = 0; i < args.length; i++) {
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
index a8af9a0..8318176 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
@@ -30,45 +30,45 @@
 
 public class LogicalExpressionPrettyPrintVisitor implements ILogicalExpressionVisitor<String, Integer> {
 
-	@Override
-	public String visitConstantExpression(ConstantExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitConstantExpression(ConstantExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitVariableReferenceExpression(
-			VariableReferenceExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitVariableReferenceExpression(
+            VariableReferenceExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitAggregateFunctionCallExpression(
-			AggregateFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitAggregateFunctionCallExpression(
+            AggregateFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitScalarFunctionCallExpression(
-			ScalarFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitScalarFunctionCallExpression(
+            ScalarFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitStatefulFunctionCallExpression(
-			StatefulFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitStatefulFunctionCallExpression(
+            StatefulFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitUnnestingFunctionCallExpression(
-			UnnestingFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitUnnestingFunctionCallExpression(
+            UnnestingFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 }
 
diff --git a/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java b/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
index c6b2e6b..0992489 100644
--- a/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
+++ b/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
@@ -24,6 +24,6 @@
 
 public interface IBinaryHashFunctionFamilyProvider {
 
-	public IBinaryHashFunctionFamily getBinaryHashFunctionFamily(Object type)
-			throws AlgebricksException;
+    public IBinaryHashFunctionFamily getBinaryHashFunctionFamily(Object type)
+            throws AlgebricksException;
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
index 8cb473d..9da28fb 100644
--- a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
+++ b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
@@ -29,31 +29,31 @@
  * @author alexander.behm
  */
 public class ArrayTupleReference implements ITupleReference {
-	private int[] fEndOffsets;
-	private byte[] tupleData;
+    private int[] fEndOffsets;
+    private byte[] tupleData;
 
-	public void reset(int[] fEndOffsets, byte[] tupleData) {
-		this.fEndOffsets = fEndOffsets;
-		this.tupleData = tupleData;
-	}
+    public void reset(int[] fEndOffsets, byte[] tupleData) {
+        this.fEndOffsets = fEndOffsets;
+        this.tupleData = tupleData;
+    }
 
-	@Override
-	public int getFieldCount() {
-		return fEndOffsets.length;
-	}
+    @Override
+    public int getFieldCount() {
+        return fEndOffsets.length;
+    }
 
-	@Override
-	public byte[] getFieldData(int fIdx) {
-		return tupleData;
-	}
+    @Override
+    public byte[] getFieldData(int fIdx) {
+        return tupleData;
+    }
 
-	@Override
-	public int getFieldStart(int fIdx) {
-		return (fIdx == 0) ? 0 : fEndOffsets[fIdx - 1];
-	}
+    @Override
+    public int getFieldStart(int fIdx) {
+        return (fIdx == 0) ? 0 : fEndOffsets[fIdx - 1];
+    }
 
-	@Override
-	public int getFieldLength(int fIdx) {
-		return (fIdx == 0) ? fEndOffsets[0] : fEndOffsets[fIdx] - fEndOffsets[fIdx - 1];
-	}
+    @Override
+    public int getFieldLength(int fIdx) {
+        return (fIdx == 0) ? fEndOffsets[0] : fEndOffsets[fIdx] - fEndOffsets[fIdx - 1];
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java b/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
index 17c5ec5..047a6fc 100644
--- a/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
+++ b/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
@@ -41,7 +41,7 @@
  * The wrapper to generate TaskTattemptContext
  */
 public class MRContextUtil {
-    //	public static Reducer.Context = create
+    //public static Reducer.Context = create
 
     @SuppressWarnings({ "rawtypes", "unchecked" })
     public Mapper.Context createMapContext(Configuration conf, TaskAttemptID taskid, RecordReader reader,
diff --git a/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java b/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
index 5f40b28..52f3417 100644
--- a/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
+++ b/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
@@ -62,7 +62,7 @@
 
     ChannelControlBlock allocateChannel() throws NetException {
         synchronized (mConn) {
-       	    cleanupClosedChannels();
+            cleanupClosedChannels();
             int idx = allocationBitmap.nextClearBit(0);
             if (idx < 0 || idx >= ccbArray.length) {
                 cleanupClosedChannels();
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
index fd9a0bc..d9ab69f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.api;
 
 public interface IPrimitiveValueProvider {
-	public double getValue(byte[] bytes, int offset);
+    public double getValue(byte[] bytes, int offset);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
index 198f27a..ceb5f71 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface IPrimitiveValueProviderFactory extends Serializable {
-	public IPrimitiveValueProvider createPrimitiveValueProvider();
+    public IPrimitiveValueProvider createPrimitiveValueProvider();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
index 3f0f8bc..311fef4 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
@@ -21,23 +21,23 @@
 import java.nio.ByteBuffer;
 
 public interface ISplitKey {
-	public void initData(int keySize);
+    public void initData(int keySize);
 
-	public void reset();
+    public void reset();
 
-	public ByteBuffer getBuffer();
+    public ByteBuffer getBuffer();
 
-	public ITreeIndexTupleReference getTuple();
+    public ITreeIndexTupleReference getTuple();
 
-	public int getLeftPage();
+    public int getLeftPage();
 
-	public int getRightPage();
+    public int getRightPage();
 
-	public void setLeftPage(int leftPage);
+    public void setLeftPage(int leftPage);
 
-	public void setRightPage(int rightPage);
+    public void setRightPage(int rightPage);
 
-	public void setPages(int leftPage, int rightPage);
+    public void setPages(int leftPage, int rightPage);
 
-	public ISplitKey duplicate(ITreeIndexTupleReference copyTuple);
+    public ISplitKey duplicate(ITreeIndexTupleReference copyTuple);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
index ac3fc3b..0dd327f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
@@ -29,21 +29,21 @@
  * concurrent operations).
  */
 public interface ITreeIndexAccessor extends IIndexAccessor {
-	/**
-	 * Creates a cursor appropriate for passing into diskOrderScan().
-	 *
-	 */
-	public ITreeIndexCursor createDiskOrderScanCursor();
+    /**
+     * Creates a cursor appropriate for passing into diskOrderScan().
+     *
+     */
+    public ITreeIndexCursor createDiskOrderScanCursor();
 
-	/**
-	 * Open the given cursor for a disk-order scan, positioning the cursor to
-	 * the first leaf tuple.
-	 *
-	 * @param icursor
-	 *            Cursor to be opened for disk-order scanning.
-	 * @throws HyracksDataException
-	 *             If the BufferCache throws while un/pinning or un/latching.
-	 */
-	public void diskOrderScan(ITreeIndexCursor cursor)
-			throws HyracksDataException;
+    /**
+     * Open the given cursor for a disk-order scan, positioning the cursor to
+     * the first leaf tuple.
+     *
+     * @param icursor
+     *            Cursor to be opened for disk-order scanning.
+     * @throws HyracksDataException
+     *             If the BufferCache throws while un/pinning or un/latching.
+     */
+    public void diskOrderScan(ITreeIndexCursor cursor)
+            throws HyracksDataException;
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
index 7405833..ff7deaf 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.api;
 
 public interface ITreeIndexMetaDataFrameFactory {
-	public ITreeIndexMetaDataFrame createFrame();
+    public ITreeIndexMetaDataFrame createFrame();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
index 8fb8924..22bff98 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface ITreeIndexTupleWriterFactory extends Serializable {
-	public ITreeIndexTupleWriter createTupleWriter();
+    public ITreeIndexTupleWriter createTupleWriter();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
index ac74021..50673cf 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
@@ -22,5 +22,5 @@
 import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ITupleFilter {
-	public boolean accept(IFrameTupleReference tuple) throws Exception;
+    public boolean accept(IFrameTupleReference tuple) throws Exception;
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
index b0debc9..2cbb746 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
@@ -29,5 +29,5 @@
  *
  */
 public interface ITupleUpdater {
-	public void updateTuple(ITupleReference tuple);
+    public void updateTuple(ITupleReference tuple);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
index 941d738..80d1d20 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface ITupleUpdaterFactory extends Serializable {
-	public ITupleUpdater createTupleUpdater();
+    public ITupleUpdater createTupleUpdater();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
index 988a304..080752f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
@@ -21,22 +21,22 @@
 
 public class TreeIndexException extends IndexException {
 
-	private static final long serialVersionUID = 1L;
-	private boolean handled = false;
+    private static final long serialVersionUID = 1L;
+    private boolean handled = false;
 
-	public TreeIndexException(Exception e) {
-		super(e);
-	}
+    public TreeIndexException(Exception e) {
+        super(e);
+    }
 
-	public TreeIndexException(String message) {
-		super(message);
-	}
+    public TreeIndexException(String message) {
+        super(message);
+    }
 
-	public void setHandled(boolean handled) {
-		this.handled = handled;
-	}
+    public void setHandled(boolean handled) {
+        this.handled = handled;
+    }
 
-	public boolean getHandled() {
-		return handled;
-	}
+    public boolean getHandled() {
+        return handled;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
index dd69cb1..52a8488 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
@@ -23,13 +23,13 @@
  * Thrown when trying to bulk load an index with an unsorted input stream.
  */
 public class UnsortedInputException extends IndexException {
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public UnsortedInputException(Exception e) {
-		super(e);
-	}
+    public UnsortedInputException(Exception e) {
+        super(e);
+    }
 
-	public UnsortedInputException(String message) {
+    public UnsortedInputException(String message) {
         super(message);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
index 4ae6995..0a41e47 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
@@ -24,9 +24,9 @@
 import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
 
 public interface ITreeIndexOperatorDescriptor extends IIndexOperatorDescriptor {
-	public IBinaryComparatorFactory[] getTreeIndexComparatorFactories();
+    public IBinaryComparatorFactory[] getTreeIndexComparatorFactories();
 
-	public ITypeTraits[] getTreeIndexTypeTraits();
+    public ITypeTraits[] getTreeIndexTypeTraits();
 
-	public ITupleFilterFactory getTupleFilterFactory();
+    public ITupleFilterFactory getTupleFilterFactory();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
index 7aba4c8..bd5e5c4 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
@@ -23,13 +23,13 @@
 
 public class TreeIndexNonExistentKeyException extends TreeIndexException {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public TreeIndexNonExistentKeyException(Exception e) {
-		super(e);
-	}
+    public TreeIndexNonExistentKeyException(Exception e) {
+        super(e);
+    }
 
-	public TreeIndexNonExistentKeyException(String message) {
-		super(message);
-	}
+    public TreeIndexNonExistentKeyException(String message) {
+        super(message);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
index d9e119f..92ba631 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
@@ -27,46 +27,46 @@
     public static final int GREATEST_KEY_INDICATOR = -1;
     public static final int ERROR_INDICATOR = -2;
 
-	protected static final int slotSize = 4;
-	protected ITreeIndexFrame frame;
+    protected static final int slotSize = 4;
+    protected ITreeIndexFrame frame;
 
-	@Override
-	public int getTupleOff(int offset) {
-		return frame.getBuffer().getInt(offset);
-	}
+    @Override
+    public int getTupleOff(int offset) {
+        return frame.getBuffer().getInt(offset);
+    }
 
-	@Override
-	public void setSlot(int offset, int value) {
-		frame.getBuffer().putInt(offset, value);
-	}
+    @Override
+    public void setSlot(int offset, int value) {
+        frame.getBuffer().putInt(offset, value);
+    }
 
-	@Override
-	public int getSlotEndOff() {
-		return frame.getBuffer().capacity()
-				- (frame.getTupleCount() * slotSize);
-	}
+    @Override
+    public int getSlotEndOff() {
+        return frame.getBuffer().capacity()
+                - (frame.getTupleCount() * slotSize);
+    }
 
-	@Override
-	public int getSlotStartOff() {
-		return frame.getBuffer().capacity() - slotSize;
-	}
+    @Override
+    public int getSlotStartOff() {
+        return frame.getBuffer().capacity() - slotSize;
+    }
 
-	@Override
-	public int getSlotSize() {
-		return slotSize;
-	}
+    @Override
+    public int getSlotSize() {
+        return slotSize;
+    }
 
-	@Override
-	public void setFrame(ITreeIndexFrame frame) {
-		this.frame = frame;
-	}
+    @Override
+    public void setFrame(ITreeIndexFrame frame) {
+        this.frame = frame;
+    }
 
-	@Override
-	public int getSlotOff(int tupleIndex) {
-		return getSlotStartOff() - tupleIndex * slotSize;
-	}
+    @Override
+    public int getSlotOff(int tupleIndex) {
+        return getSlotStartOff() - tupleIndex * slotSize;
+    }
 
-	@Override
+    @Override
     public int getGreatestKeyIndicator() {
         return GREATEST_KEY_INDICATOR;
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
index a130f3c..d2cec23 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
@@ -23,8 +23,8 @@
 import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
 
 public class LIFOMetaDataFrameFactory implements ITreeIndexMetaDataFrameFactory {
-	@Override
-	public ITreeIndexMetaDataFrame createFrame() {
-		return new LIFOMetaDataFrame();
-	}
+    @Override
+    public ITreeIndexMetaDataFrame createFrame() {
+        return new LIFOMetaDataFrame();
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
index 781437f..ce2aa38 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum FindTupleMode {
-	INCLUSIVE, EXCLUSIVE, EXCLUSIVE_ERROR_IF_EXISTS, EXACT
+    INCLUSIVE, EXCLUSIVE, EXCLUSIVE_ERROR_IF_EXISTS, EXACT
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
index d59dc11..e9dfaff 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum FindTupleNoExactMatchPolicy {
-	LOWER_KEY, HIGHER_KEY, NONE
+    LOWER_KEY, HIGHER_KEY, NONE
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
index 5d04dc8..7a0d4e8 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum IndexOp {
-	INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE
+    INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
index c15fe38..1da4f46 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
@@ -20,28 +20,28 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class LongArrayList {
-	private long[] data;
-	private int size;
-	private int first;
-	private final int growth;
+    private long[] data;
+    private int size;
+    private int first;
+    private final int growth;
 
-	public LongArrayList(int initialCapacity, int growth) {
-		data = new long[initialCapacity];
-		size = 0;
-		first = 0;
-		this.growth = growth;
-	}
+    public LongArrayList(int initialCapacity, int growth) {
+        data = new long[initialCapacity];
+        size = 0;
+        first = 0;
+        this.growth = growth;
+    }
 
-	public int size() {
-		return size;
-	}
+    public int size() {
+        return size;
+    }
 
-	public int first() {
-		return first;
-	}
+    public int first() {
+        return first;
+    }
 
-	public void addFirst(long i) {
-	    long[] newData = new long[data.length + 1];
+    public void addFirst(long i) {
+        long[] newData = new long[data.length + 1];
         System.arraycopy(data, 0, newData, 0, first);
         System.arraycopy(data, first, newData, first + 1, size - first);
         data = newData;
@@ -50,54 +50,54 @@
     }
 
 
-	public void add(long i) {
-		if (size == data.length) {
-			long[] newData = new long[data.length + growth];
-			System.arraycopy(data, 0, newData, 0, data.length);
-			data = newData;
-		}
+    public void add(long i) {
+        if (size == data.length) {
+            long[] newData = new long[data.length + growth];
+            System.arraycopy(data, 0, newData, 0, data.length);
+            data = newData;
+        }
 
-		data[size++] = i;
-	}
+        data[size++] = i;
+    }
 
-	public void removeLast() {
-		if (size > 0)
-			size--;
-	}
+    public void removeLast() {
+        if (size > 0)
+            size--;
+    }
 
-	// WARNING: caller is responsible for checking size > 0
-	public long getLast() {
-		return data[size - 1];
-	}
+    // WARNING: caller is responsible for checking size > 0
+    public long getLast() {
+        return data[size - 1];
+    }
 
-	public long get(int i) {
-		return data[i];
-	}
+    public long get(int i) {
+        return data[i];
+    }
 
-	// WARNING: caller is responsible for checking i < size
-	public void set(int i, long value) {
-		data[i] = value;
+    // WARNING: caller is responsible for checking i < size
+    public void set(int i, long value) {
+        data[i] = value;
 
-	}
+    }
 
-	public long getFirst() {
-		return data[first];
-	}
+    public long getFirst() {
+        return data[first];
+    }
 
-	public void moveFirst() {
-		first++;
-	}
+    public void moveFirst() {
+        first++;
+    }
 
-	public void clear() {
-		size = 0;
-		first = 0;
-	}
+    public void clear() {
+        size = 0;
+        first = 0;
+    }
 
-	public boolean isLast() {
-		return size == first;
-	}
+    public boolean isLast() {
+        return size == first;
+    }
 
-	public boolean isEmpty() {
-		return size == 0;
-	}
+    public boolean isEmpty() {
+        return size == 0;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
index 0944f13..f7845c7 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
@@ -20,23 +20,23 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class SlotOffTupleOff implements Comparable<SlotOffTupleOff> {
-	public int tupleIndex;
-	public int slotOff;
-	public int tupleOff;
+    public int tupleIndex;
+    public int slotOff;
+    public int tupleOff;
 
-	public SlotOffTupleOff(int tupleIndex, int slotOff, int recOff) {
-		this.tupleIndex = tupleIndex;
-		this.slotOff = slotOff;
-		this.tupleOff = recOff;
-	}
+    public SlotOffTupleOff(int tupleIndex, int slotOff, int recOff) {
+        this.tupleIndex = tupleIndex;
+        this.slotOff = slotOff;
+        this.tupleOff = recOff;
+    }
 
-	@Override
-	public int compareTo(SlotOffTupleOff o) {
-		return tupleOff - o.tupleOff;
-	}
+    @Override
+    public int compareTo(SlotOffTupleOff o) {
+        return tupleOff - o.tupleOff;
+    }
 
-	@Override
-	public String toString() {
-		return tupleIndex + " " + slotOff + " " + tupleOff;
-	}
+    @Override
+    public String toString() {
+        return tupleIndex + " " + slotOff + " " + tupleOff;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
index 4d37049..9b16514 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
@@ -96,8 +96,8 @@
         return fieldCount * 2;
     }
 
-	@Override
-	public int getTupleSize() {
-		return nullFlagsBytes + fieldSlotsBytes + buf.getShort(tupleStartOff + nullFlagsBytes + (fieldCount-1) * 2);
-	}
+    @Override
+    public int getTupleSize() {
+        return nullFlagsBytes + fieldSlotsBytes + buf.getShort(tupleStartOff + nullFlagsBytes + (fieldCount-1) * 2);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
index c367152..741a53a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
@@ -24,18 +24,18 @@
 import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class TypeAwareTupleWriterFactory implements
-		ITreeIndexTupleWriterFactory {
+        ITreeIndexTupleWriterFactory {
 
-	private static final long serialVersionUID = 1L;
-	protected ITypeTraits[] typeTraits;
+    private static final long serialVersionUID = 1L;
+    protected ITypeTraits[] typeTraits;
 
-	public TypeAwareTupleWriterFactory(ITypeTraits[] typeTraits) {
-		this.typeTraits = typeTraits;
-	}
+    public TypeAwareTupleWriterFactory(ITypeTraits[] typeTraits) {
+        this.typeTraits = typeTraits;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		return new TypeAwareTupleWriter(typeTraits);
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        return new TypeAwareTupleWriter(typeTraits);
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
index 5668992..ff76c5a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
@@ -32,74 +32,74 @@
 import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class TreeIndexBufferCacheWarmup {
-	private final IBufferCache bufferCache;
-	private final IMetaDataPageManager freePageManager;
-	private final int fileId;
-	private final ArrayList<IntArrayList> pagesByLevel = new ArrayList<IntArrayList>();
-	private final Random rnd = new Random();
+    private final IBufferCache bufferCache;
+    private final IMetaDataPageManager freePageManager;
+    private final int fileId;
+    private final ArrayList<IntArrayList> pagesByLevel = new ArrayList<IntArrayList>();
+    private final Random rnd = new Random();
 
-	public TreeIndexBufferCacheWarmup(IBufferCache bufferCache,
-			IMetaDataPageManager freePageManager, int fileId) {
-		this.bufferCache = bufferCache;
-		this.freePageManager = freePageManager;
-		this.fileId = fileId;
-	}
+    public TreeIndexBufferCacheWarmup(IBufferCache bufferCache,
+            IMetaDataPageManager freePageManager, int fileId) {
+        this.bufferCache = bufferCache;
+        this.freePageManager = freePageManager;
+        this.fileId = fileId;
+    }
 
-	public void warmup(ITreeIndexFrame frame,
-			ITreeIndexMetaDataFrame metaFrame, int[] warmupTreeLevels,
-			int[] warmupRepeats) throws HyracksDataException {
-		bufferCache.openFile(fileId);
+    public void warmup(ITreeIndexFrame frame,
+            ITreeIndexMetaDataFrame metaFrame, int[] warmupTreeLevels,
+            int[] warmupRepeats) throws HyracksDataException {
+        bufferCache.openFile(fileId);
 
-		// scan entire file to determine pages in each level
-		int maxPageId = freePageManager.getMaxPage(metaFrame);
-		for (int pageId = 0; pageId <= maxPageId; pageId++) {
-			ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-			page.acquireReadLatch();
-			try {
-				frame.setPage(page);
-				byte level = frame.getLevel();
-				while (level >= pagesByLevel.size()) {
-					pagesByLevel.add(new IntArrayList(100, 100));
-				}
-				if (level >= 0) {
-					// System.out.println("ADDING: " + level + " " + pageId);
-					pagesByLevel.get(level).add(pageId);
-				}
-			} finally {
-				page.releaseReadLatch();
-				bufferCache.unpin(page);
-			}
-		}
+        // scan entire file to determine pages in each level
+        int maxPageId = freePageManager.getMaxPage(metaFrame);
+        for (int pageId = 0; pageId <= maxPageId; pageId++) {
+            ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+            page.acquireReadLatch();
+            try {
+                frame.setPage(page);
+                byte level = frame.getLevel();
+                while (level >= pagesByLevel.size()) {
+                    pagesByLevel.add(new IntArrayList(100, 100));
+                }
+                if (level >= 0) {
+                    // System.out.println("ADDING: " + level + " " + pageId);
+                    pagesByLevel.get(level).add(pageId);
+                }
+            } finally {
+                page.releaseReadLatch();
+                bufferCache.unpin(page);
+            }
+        }
 
-		// pin certain pages again to simulate frequent access
-		for (int i = 0; i < warmupTreeLevels.length; i++) {
-			if (warmupTreeLevels[i] < pagesByLevel.size()) {
-				int repeats = warmupRepeats[i];
-				IntArrayList pageIds = pagesByLevel.get(warmupTreeLevels[i]);
-				int[] remainingPageIds = new int[pageIds.size()];
-				for (int r = 0; r < repeats; r++) {
-					for (int j = 0; j < pageIds.size(); j++) {
-						remainingPageIds[j] = pageIds.get(j);
-					}
+        // pin certain pages again to simulate frequent access
+        for (int i = 0; i < warmupTreeLevels.length; i++) {
+            if (warmupTreeLevels[i] < pagesByLevel.size()) {
+                int repeats = warmupRepeats[i];
+                IntArrayList pageIds = pagesByLevel.get(warmupTreeLevels[i]);
+                int[] remainingPageIds = new int[pageIds.size()];
+                for (int r = 0; r < repeats; r++) {
+                    for (int j = 0; j < pageIds.size(); j++) {
+                        remainingPageIds[j] = pageIds.get(j);
+                    }
 
-					int remainingLength = pageIds.size();
-					for (int j = 0; j < pageIds.size(); j++) {
-						int index = MathUtil.stripSignBit(rnd.nextInt()) % remainingLength;
-						int pageId = remainingPageIds[index];
+                    int remainingLength = pageIds.size();
+                    for (int j = 0; j < pageIds.size(); j++) {
+                        int index = MathUtil.stripSignBit(rnd.nextInt()) % remainingLength;
+                        int pageId = remainingPageIds[index];
 
-						// pin & latch then immediately unlatch & unpin
-						ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-						page.acquireReadLatch();
-						page.releaseReadLatch();
-						bufferCache.unpin(page);
+                        // pin & latch then immediately unlatch & unpin
+                        ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+                        page.acquireReadLatch();
+                        page.releaseReadLatch();
+                        bufferCache.unpin(page);
 
-						remainingPageIds[index] = remainingPageIds[remainingLength - 1];
-						remainingLength--;
-					}
-				}
-			}
-		}
+                        remainingPageIds[index] = remainingPageIds[remainingLength - 1];
+                        remainingLength--;
+                    }
+                }
+            }
+        }
 
-		bufferCache.closeFile(fileId);
-	}
+        bufferCache.closeFile(fileId);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
index 8251c6f..8a28f41 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
@@ -26,140 +26,140 @@
 
 public class TreeIndexStats {
 
-	private TreeIndexNodeTypeStats rootStats = new TreeIndexNodeTypeStats();
-	private TreeIndexNodeTypeStats interiorStats = new TreeIndexNodeTypeStats();
-	private TreeIndexNodeTypeStats leafStats = new TreeIndexNodeTypeStats();
+    private TreeIndexNodeTypeStats rootStats = new TreeIndexNodeTypeStats();
+    private TreeIndexNodeTypeStats interiorStats = new TreeIndexNodeTypeStats();
+    private TreeIndexNodeTypeStats leafStats = new TreeIndexNodeTypeStats();
 
-	private int freePages = 0;
-	private int metaPages = 0;
-	private int treeLevels = 0;
+    private int freePages = 0;
+    private int metaPages = 0;
+    private int treeLevels = 0;
 
-	public void begin() {
-		rootStats.clear();
-		interiorStats.clear();
-		leafStats.clear();
-		freePages = 0;
-		metaPages = 0;
-		treeLevels = 0;
-	}
+    public void begin() {
+        rootStats.clear();
+        interiorStats.clear();
+        leafStats.clear();
+        freePages = 0;
+        metaPages = 0;
+        treeLevels = 0;
+    }
 
-	public void addRoot(ITreeIndexFrame frame) {
-		treeLevels = frame.getLevel() + 1;
-		rootStats.add(frame);
-	}
+    public void addRoot(ITreeIndexFrame frame) {
+        treeLevels = frame.getLevel() + 1;
+        rootStats.add(frame);
+    }
 
-	public void add(ITreeIndexFrame frame) {
-		if (frame.isLeaf()) {
-			leafStats.add(frame);
-		} else if (frame.isInterior()) {
-			interiorStats.add(frame);
-		}
-	}
+    public void add(ITreeIndexFrame frame) {
+        if (frame.isLeaf()) {
+            leafStats.add(frame);
+        } else if (frame.isInterior()) {
+            interiorStats.add(frame);
+        }
+    }
 
-	public void add(ITreeIndexMetaDataFrame metaFrame,
-			IMetaDataPageManager freePageManager) {
-		if (freePageManager.isFreePage(metaFrame)) {
-			freePages++;
-		} else if (freePageManager.isMetaPage(metaFrame)) {
-			metaPages++;
-		}
-	}
+    public void add(ITreeIndexMetaDataFrame metaFrame,
+            IMetaDataPageManager freePageManager) {
+        if (freePageManager.isFreePage(metaFrame)) {
+            freePages++;
+        } else if (freePageManager.isMetaPage(metaFrame)) {
+            metaPages++;
+        }
+    }
 
-	public void end() {
-		// nothing here currently
-	}
+    public void end() {
+        // nothing here currently
+    }
 
-	@Override
-	public String toString() {
-		StringBuilder strBuilder = new StringBuilder();
-		DecimalFormat df = new DecimalFormat("#####.##");
+    @Override
+    public String toString() {
+        StringBuilder strBuilder = new StringBuilder();
+        DecimalFormat df = new DecimalFormat("#####.##");
 
-		strBuilder.append("TREE LEVELS:  " + treeLevels + "\n");
-		strBuilder.append("FREE PAGES :  " + freePages + "\n");
-		strBuilder.append("META PAGES :  " + metaPages + "\n");
-		long totalPages = interiorStats.getNumPages() + leafStats.getNumPages()
-				+ freePages + metaPages;
-		strBuilder.append("TOTAL PAGES : " + totalPages + "\n");
+        strBuilder.append("TREE LEVELS:  " + treeLevels + "\n");
+        strBuilder.append("FREE PAGES :  " + freePages + "\n");
+        strBuilder.append("META PAGES :  " + metaPages + "\n");
+        long totalPages = interiorStats.getNumPages() + leafStats.getNumPages()
+                + freePages + metaPages;
+        strBuilder.append("TOTAL PAGES : " + totalPages + "\n");
 
-		strBuilder.append("\n");
-		strBuilder.append("ROOT STATS" + "\n");
-		strBuilder
-				.append("NUM TUPLES:      " + rootStats.getNumTuples() + "\n");
-		strBuilder.append("FILL FACTOR    : "
-				+ df.format(rootStats.getAvgFillFactor()) + "\n");
+        strBuilder.append("\n");
+        strBuilder.append("ROOT STATS" + "\n");
+        strBuilder
+                .append("NUM TUPLES:      " + rootStats.getNumTuples() + "\n");
+        strBuilder.append("FILL FACTOR    : "
+                + df.format(rootStats.getAvgFillFactor()) + "\n");
 
-		if (interiorStats.getNumPages() > 0) {
-			strBuilder.append("\n");
-			strBuilder.append("INTERIOR STATS" + "\n");
-			strBuilder.append("NUM PAGES:       " + interiorStats.getNumPages()
-					+ "\n");
-			strBuilder.append("NUM TUPLES:      "
-					+ interiorStats.getNumTuples() + "\n");
-			strBuilder.append("AVG TUPLES/PAGE: "
-					+ df.format(interiorStats.getAvgNumTuples()) + "\n");
-			strBuilder.append("AVG FILL FACTOR: "
-					+ df.format(interiorStats.getAvgFillFactor()) + "\n");
-		}
+        if (interiorStats.getNumPages() > 0) {
+            strBuilder.append("\n");
+            strBuilder.append("INTERIOR STATS" + "\n");
+            strBuilder.append("NUM PAGES:       " + interiorStats.getNumPages()
+                    + "\n");
+            strBuilder.append("NUM TUPLES:      "
+                    + interiorStats.getNumTuples() + "\n");
+            strBuilder.append("AVG TUPLES/PAGE: "
+                    + df.format(interiorStats.getAvgNumTuples()) + "\n");
+            strBuilder.append("AVG FILL FACTOR: "
+                    + df.format(interiorStats.getAvgFillFactor()) + "\n");
+        }
 
-		if (leafStats.getNumPages() > 0) {
-			strBuilder.append("\n");
-			strBuilder.append("LEAF STATS" + "\n");
-			strBuilder.append("NUM PAGES:       "
-					+ df.format(leafStats.getNumPages()) + "\n");
-			strBuilder.append("NUM TUPLES:      "
-					+ df.format(leafStats.getNumTuples()) + "\n");
-			strBuilder.append("AVG TUPLES/PAGE: "
-					+ df.format(leafStats.getAvgNumTuples()) + "\n");
-			strBuilder.append("AVG FILL FACTOR: "
-					+ df.format(leafStats.getAvgFillFactor()) + "\n");
-		}
+        if (leafStats.getNumPages() > 0) {
+            strBuilder.append("\n");
+            strBuilder.append("LEAF STATS" + "\n");
+            strBuilder.append("NUM PAGES:       "
+                    + df.format(leafStats.getNumPages()) + "\n");
+            strBuilder.append("NUM TUPLES:      "
+                    + df.format(leafStats.getNumTuples()) + "\n");
+            strBuilder.append("AVG TUPLES/PAGE: "
+                    + df.format(leafStats.getAvgNumTuples()) + "\n");
+            strBuilder.append("AVG FILL FACTOR: "
+                    + df.format(leafStats.getAvgFillFactor()) + "\n");
+        }
 
-		return strBuilder.toString();
-	}
+        return strBuilder.toString();
+    }
 
-	public class TreeIndexNodeTypeStats {
-		private long numTuples;
-		private long sumTuplesSizes;
-		private long numPages;
-		private double sumFillFactors;
+    public class TreeIndexNodeTypeStats {
+        private long numTuples;
+        private long sumTuplesSizes;
+        private long numPages;
+        private double sumFillFactors;
 
-		public void clear() {
-			numTuples = 0;
-			sumTuplesSizes = 0;
-			numPages = 0;
-		}
+        public void clear() {
+            numTuples = 0;
+            sumTuplesSizes = 0;
+            numPages = 0;
+        }
 
-		public void add(ITreeIndexFrame frame) {
-			numPages++;
-			numTuples += frame.getTupleCount();
-			sumFillFactors += (double) (frame.getBuffer().capacity() - frame
-					.getTotalFreeSpace())
-					/ (double) frame.getBuffer().capacity();
-		}
+        public void add(ITreeIndexFrame frame) {
+            numPages++;
+            numTuples += frame.getTupleCount();
+            sumFillFactors += (double) (frame.getBuffer().capacity() - frame
+                    .getTotalFreeSpace())
+                    / (double) frame.getBuffer().capacity();
+        }
 
-		public long getNumTuples() {
-			return numTuples;
-		}
+        public long getNumTuples() {
+            return numTuples;
+        }
 
-		public long getSumTupleSizes() {
-			return sumTuplesSizes;
-		}
+        public long getSumTupleSizes() {
+            return sumTuplesSizes;
+        }
 
-		public long getNumPages() {
-			return numPages;
-		}
+        public long getNumPages() {
+            return numPages;
+        }
 
-		public double getAvgNumTuples() {
-			return (double) numTuples / (double) numPages;
-		}
+        public double getAvgNumTuples() {
+            return (double) numTuples / (double) numPages;
+        }
 
-		public double getAvgTupleSize() {
-			return (double) sumTuplesSizes / (double) numTuples;
-		}
+        public double getAvgTupleSize() {
+            return (double) sumTuplesSizes / (double) numTuples;
+        }
 
-		public double getAvgFillFactor() {
-			return sumFillFactors / numPages;
-		}
-	}
+        public double getAvgFillFactor() {
+            return sumFillFactors / numPages;
+        }
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
index 712acb8..c24a90b 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
@@ -28,63 +28,63 @@
 
 public class TreeIndexStatsGatherer {
 
-	private final TreeIndexStats treeIndexStats = new TreeIndexStats();
-	private final IBufferCache bufferCache;
-	private final IMetaDataPageManager freePageManager;
-	private final int fileId;
-	private final int rootPage;
+    private final TreeIndexStats treeIndexStats = new TreeIndexStats();
+    private final IBufferCache bufferCache;
+    private final IMetaDataPageManager freePageManager;
+    private final int fileId;
+    private final int rootPage;
 
-	public TreeIndexStatsGatherer(IBufferCache bufferCache,
-			IMetaDataPageManager freePageManager, int fileId, int rootPage) {
-		this.bufferCache = bufferCache;
-		this.freePageManager = freePageManager;
-		this.fileId = fileId;
-		this.rootPage = rootPage;
-	}
+    public TreeIndexStatsGatherer(IBufferCache bufferCache,
+            IMetaDataPageManager freePageManager, int fileId, int rootPage) {
+        this.bufferCache = bufferCache;
+        this.freePageManager = freePageManager;
+        this.fileId = fileId;
+        this.rootPage = rootPage;
+    }
 
-	public TreeIndexStats gatherStats(ITreeIndexFrame leafFrame,
-			ITreeIndexFrame interiorFrame, ITreeIndexMetaDataFrame metaFrame)
-			throws HyracksDataException {
+    public TreeIndexStats gatherStats(ITreeIndexFrame leafFrame,
+            ITreeIndexFrame interiorFrame, ITreeIndexMetaDataFrame metaFrame)
+            throws HyracksDataException {
 
-		bufferCache.openFile(fileId);
+        bufferCache.openFile(fileId);
 
-		treeIndexStats.begin();
+        treeIndexStats.begin();
 
-		int maxPageId = freePageManager.getMaxPage(metaFrame);
-		for (int pageId = 0; pageId <= maxPageId; pageId++) {
-			ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-			page.acquireReadLatch();
-			try {
-				metaFrame.setPage(page);
-				leafFrame.setPage(page);
-				interiorFrame.setPage(page);
+        int maxPageId = freePageManager.getMaxPage(metaFrame);
+        for (int pageId = 0; pageId <= maxPageId; pageId++) {
+            ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+            page.acquireReadLatch();
+            try {
+                metaFrame.setPage(page);
+                leafFrame.setPage(page);
+                interiorFrame.setPage(page);
 
-				if (leafFrame.isLeaf()) {
-					if (pageId == rootPage) {
-						treeIndexStats.addRoot(leafFrame);
-					} else {
-						treeIndexStats.add(leafFrame);
-					}
-				} else if (interiorFrame.isInterior()) {
-					if (pageId == rootPage) {
-						treeIndexStats.addRoot(interiorFrame);
-					} else {
-						treeIndexStats.add(interiorFrame);
-					}
-				} else {
-					treeIndexStats.add(metaFrame, freePageManager);
-				}
+                if (leafFrame.isLeaf()) {
+                    if (pageId == rootPage) {
+                        treeIndexStats.addRoot(leafFrame);
+                    } else {
+                        treeIndexStats.add(leafFrame);
+                    }
+                } else if (interiorFrame.isInterior()) {
+                    if (pageId == rootPage) {
+                        treeIndexStats.addRoot(interiorFrame);
+                    } else {
+                        treeIndexStats.add(interiorFrame);
+                    }
+                } else {
+                    treeIndexStats.add(metaFrame, freePageManager);
+                }
 
-			} finally {
-				page.releaseReadLatch();
-				bufferCache.unpin(page);
-			}
-		}
+            } finally {
+                page.releaseReadLatch();
+                bufferCache.unpin(page);
+            }
+        }
 
-		treeIndexStats.end();
+        treeIndexStats.end();
 
-		bufferCache.closeFile(fileId);
+        bufferCache.closeFile(fileId);
 
-		return treeIndexStats;
-	}
+        return treeIndexStats;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
index 7784d42..a4afe80 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
@@ -27,17 +27,17 @@
 
 @SuppressWarnings("rawtypes")
 public class TreeIndexUtils {
-	public static String printFrameTuples(ITreeIndexFrame frame, ISerializerDeserializer[] fieldSerdes) throws HyracksDataException {
-		StringBuilder strBuilder = new StringBuilder();
-		ITreeIndexTupleReference tuple = frame.createTupleReference();
-		for (int i = 0; i < frame.getTupleCount(); i++) {
-			tuple.resetByTupleIndex(frame, i);
-			String tupleString = TupleUtils.printTuple(tuple, fieldSerdes);
-			strBuilder.append(tupleString);
-			if (i != frame.getTupleCount() - 1) {
-				strBuilder.append(" | ");
-			}
-		}
-		return strBuilder.toString();
+    public static String printFrameTuples(ITreeIndexFrame frame, ISerializerDeserializer[] fieldSerdes) throws HyracksDataException {
+        StringBuilder strBuilder = new StringBuilder();
+        ITreeIndexTupleReference tuple = frame.createTupleReference();
+        for (int i = 0; i < frame.getTupleCount(); i++) {
+            tuple.resetByTupleIndex(frame, i);
+            String tupleString = TupleUtils.printTuple(tuple, fieldSerdes);
+            strBuilder.append(tupleString);
+            if (i != frame.getTupleCount() - 1) {
+                strBuilder.append(" | ");
+            }
+        }
+        return strBuilder.toString();
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
index b82e9ec..bddea2a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
@@ -29,37 +29,37 @@
 import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMBTreeWithBuddyDiskComponentFactory implements
-		ILSMComponentFactory {
+        ILSMComponentFactory {
 
-	private final TreeIndexFactory<BTree> btreeFactory;
-	private final TreeIndexFactory<BTree> buddyBtreeFactory;
-	private final BloomFilterFactory bloomFilterFactory;
+    private final TreeIndexFactory<BTree> btreeFactory;
+    private final TreeIndexFactory<BTree> buddyBtreeFactory;
+    private final BloomFilterFactory bloomFilterFactory;
 
-	public LSMBTreeWithBuddyDiskComponentFactory(
-			TreeIndexFactory<BTree> btreeFactory,
-			TreeIndexFactory<BTree> buddyBtreeFactory,
-			BloomFilterFactory bloomFilterFactory) {
-		this.btreeFactory = btreeFactory;
-		this.buddyBtreeFactory = buddyBtreeFactory;
-		this.bloomFilterFactory = bloomFilterFactory;
-	}
+    public LSMBTreeWithBuddyDiskComponentFactory(
+            TreeIndexFactory<BTree> btreeFactory,
+            TreeIndexFactory<BTree> buddyBtreeFactory,
+            BloomFilterFactory bloomFilterFactory) {
+        this.btreeFactory = btreeFactory;
+        this.buddyBtreeFactory = buddyBtreeFactory;
+        this.bloomFilterFactory = bloomFilterFactory;
+    }
 
-	@Override
-	public ILSMComponent createLSMComponentInstance(
-			LSMComponentFileReferences cfr) throws IndexException,
-			HyracksDataException {
-		return new LSMBTreeWithBuddyDiskComponent(
-				btreeFactory.createIndexInstance(cfr
-						.getInsertIndexFileReference()),
-				buddyBtreeFactory.createIndexInstance(cfr
-						.getDeleteIndexFileReference()),
-				bloomFilterFactory.createBloomFiltertInstance(cfr
-						.getBloomFilterFileReference()));
-	}
+    @Override
+    public ILSMComponent createLSMComponentInstance(
+            LSMComponentFileReferences cfr) throws IndexException,
+            HyracksDataException {
+        return new LSMBTreeWithBuddyDiskComponent(
+                btreeFactory.createIndexInstance(cfr
+                        .getInsertIndexFileReference()),
+                buddyBtreeFactory.createIndexInstance(cfr
+                        .getDeleteIndexFileReference()),
+                bloomFilterFactory.createBloomFiltertInstance(cfr
+                        .getBloomFilterFileReference()));
+    }
 
-	@Override
-	public IBufferCache getBufferCache() {
-		return btreeFactory.getBufferCache();
-	}
+    @Override
+    public IBufferCache getBufferCache() {
+        return btreeFactory.getBufferCache();
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
index b56aaff..a45cbf1 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
@@ -27,37 +27,37 @@
  * This class is also not needed at the moment but is implemented anyway
  */
 public class LSMBTreeWithBuddyMemoryComponent extends
-		AbstractMemoryLSMComponent {
+        AbstractMemoryLSMComponent {
 
-	private final BTree btree;
-	private final BTree buddyBtree;
+    private final BTree btree;
+    private final BTree buddyBtree;
 
-	public LSMBTreeWithBuddyMemoryComponent(BTree btree, BTree buddyBtree,
-			IVirtualBufferCache vbc, boolean isActive) {
-		super(vbc, isActive);
-		this.btree = btree;
-		this.buddyBtree = buddyBtree;
-	}
+    public LSMBTreeWithBuddyMemoryComponent(BTree btree, BTree buddyBtree,
+            IVirtualBufferCache vbc, boolean isActive) {
+        super(vbc, isActive);
+        this.btree = btree;
+        this.buddyBtree = buddyBtree;
+    }
 
-	public BTree getBTree() {
-		return btree;
-	}
+    public BTree getBTree() {
+        return btree;
+    }
 
-	public BTree getBuddyBTree() {
-		return buddyBtree;
-	}
+    public BTree getBuddyBTree() {
+        return buddyBtree;
+    }
 
-	@Override
-	protected void reset() throws HyracksDataException {
-		super.reset();
-		btree.deactivate();
-		btree.destroy();
-		btree.create();
-		btree.activate();
-		buddyBtree.deactivate();
-		buddyBtree.destroy();
-		buddyBtree.create();
-		buddyBtree.activate();
-	}
+    @Override
+    protected void reset() throws HyracksDataException {
+        super.reset();
+        btree.deactivate();
+        btree.destroy();
+        btree.create();
+        btree.activate();
+        buddyBtree.deactivate();
+        buddyBtree.destroy();
+        buddyBtree.create();
+        buddyBtree.activate();
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
index 61f68fb..d70bdd5 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
@@ -34,103 +34,103 @@
 
 public class LSMBTreeWithBuddyMergeOperation implements ILSMIOOperation {
 
-	private final ILSMIndexAccessorInternal accessor;
-	private final List<ILSMComponent> mergingComponents;
-	private final ITreeIndexCursor cursor;
-	private final FileReference btreeMergeTarget;
-	private final FileReference buddyBtreeMergeTarget;
-	private final FileReference bloomFilterMergeTarget;
-	private final ILSMIOOperationCallback callback;
-	private final String indexIdentifier;
-	private final boolean keepDeletedTuples;
+    private final ILSMIndexAccessorInternal accessor;
+    private final List<ILSMComponent> mergingComponents;
+    private final ITreeIndexCursor cursor;
+    private final FileReference btreeMergeTarget;
+    private final FileReference buddyBtreeMergeTarget;
+    private final FileReference bloomFilterMergeTarget;
+    private final ILSMIOOperationCallback callback;
+    private final String indexIdentifier;
+    private final boolean keepDeletedTuples;
 
-	public LSMBTreeWithBuddyMergeOperation(ILSMIndexAccessorInternal accessor,
-			List<ILSMComponent> mergingComponents, ITreeIndexCursor cursor,
-			FileReference btreeMergeTarget,
-			FileReference buddyBtreeMergeTarget,
-			FileReference bloomFilterMergeTarget,
-			ILSMIOOperationCallback callback, String indexIdentifier, boolean keepDeletedTuples) {
-		this.accessor = accessor;
-		this.mergingComponents = mergingComponents;
-		this.cursor = cursor;
-		this.btreeMergeTarget = btreeMergeTarget;
-		this.buddyBtreeMergeTarget = buddyBtreeMergeTarget;
-		this.bloomFilterMergeTarget = bloomFilterMergeTarget;
-		this.callback = callback;
-		this.indexIdentifier = indexIdentifier;
-		this.keepDeletedTuples = keepDeletedTuples;
-	}
+    public LSMBTreeWithBuddyMergeOperation(ILSMIndexAccessorInternal accessor,
+            List<ILSMComponent> mergingComponents, ITreeIndexCursor cursor,
+            FileReference btreeMergeTarget,
+            FileReference buddyBtreeMergeTarget,
+            FileReference bloomFilterMergeTarget,
+            ILSMIOOperationCallback callback, String indexIdentifier, boolean keepDeletedTuples) {
+        this.accessor = accessor;
+        this.mergingComponents = mergingComponents;
+        this.cursor = cursor;
+        this.btreeMergeTarget = btreeMergeTarget;
+        this.buddyBtreeMergeTarget = buddyBtreeMergeTarget;
+        this.bloomFilterMergeTarget = bloomFilterMergeTarget;
+        this.callback = callback;
+        this.indexIdentifier = indexIdentifier;
+        this.keepDeletedTuples = keepDeletedTuples;
+    }
 
-	@Override
-	public Set<IODeviceHandle> getReadDevices() {
-		Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
-		for (ILSMComponent o : mergingComponents) {
-			LSMBTreeWithBuddyDiskComponent component = (LSMBTreeWithBuddyDiskComponent) o;
-			devs.add(component.getBTree().getFileReference().getDeviceHandle());
+    @Override
+    public Set<IODeviceHandle> getReadDevices() {
+        Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
+        for (ILSMComponent o : mergingComponents) {
+            LSMBTreeWithBuddyDiskComponent component = (LSMBTreeWithBuddyDiskComponent) o;
+            devs.add(component.getBTree().getFileReference().getDeviceHandle());
 
-			devs.add(component.getBuddyBTree().getFileReference()
-					.getDeviceHandle());
-			devs.add(component.getBloomFilter().getFileReference()
-					.getDeviceHandle());
+            devs.add(component.getBuddyBTree().getFileReference()
+                    .getDeviceHandle());
+            devs.add(component.getBloomFilter().getFileReference()
+                    .getDeviceHandle());
 
-		}
-		return devs;
-	}
+        }
+        return devs;
+    }
 
-	@Override
-	public Set<IODeviceHandle> getWriteDevices() {
-		Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
-		devs.add(btreeMergeTarget.getDeviceHandle());
+    @Override
+    public Set<IODeviceHandle> getWriteDevices() {
+        Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
+        devs.add(btreeMergeTarget.getDeviceHandle());
 
-		devs.add(buddyBtreeMergeTarget.getDeviceHandle());
-		devs.add(bloomFilterMergeTarget.getDeviceHandle());
+        devs.add(buddyBtreeMergeTarget.getDeviceHandle());
+        devs.add(bloomFilterMergeTarget.getDeviceHandle());
 
-		return devs;
-	}
+        return devs;
+    }
 
-	@Override
-	public Boolean call() throws HyracksDataException, IndexException {
-		accessor.merge(this);
-		return true;
-	}
+    @Override
+    public Boolean call() throws HyracksDataException, IndexException {
+        accessor.merge(this);
+        return true;
+    }
 
-	@Override
-	public ILSMIOOperationCallback getCallback() {
-		return callback;
-	}
+    @Override
+    public ILSMIOOperationCallback getCallback() {
+        return callback;
+    }
 
-	@Override
-	public String getIndexUniqueIdentifier() {
-		return indexIdentifier;
-	}
+    @Override
+    public String getIndexUniqueIdentifier() {
+        return indexIdentifier;
+    }
 
-	@Override
-	public LSMIOOpertionType getIOOpertionType() {
-		return LSMIOOpertionType.MERGE;
-	}
+    @Override
+    public LSMIOOpertionType getIOOpertionType() {
+        return LSMIOOpertionType.MERGE;
+    }
 
-	public FileReference getBTreeMergeTarget() {
-		return btreeMergeTarget;
-	}
+    public FileReference getBTreeMergeTarget() {
+        return btreeMergeTarget;
+    }
 
-	public FileReference getBuddyBTreeMergeTarget() {
-		return buddyBtreeMergeTarget;
-	}
+    public FileReference getBuddyBTreeMergeTarget() {
+        return buddyBtreeMergeTarget;
+    }
 
-	public FileReference getBloomFilterMergeTarget() {
-		return bloomFilterMergeTarget;
-	}
+    public FileReference getBloomFilterMergeTarget() {
+        return bloomFilterMergeTarget;
+    }
 
-	public ITreeIndexCursor getCursor() {
-		return cursor;
-	}
+    public ITreeIndexCursor getCursor() {
+        return cursor;
+    }
 
-	public List<ILSMComponent> getMergingComponents() {
-		return mergingComponents;
-	}
+    public List<ILSMComponent> getMergingComponents() {
+        return mergingComponents;
+    }
 
-	public boolean isKeepDeletedTuples() {
-		return keepDeletedTuples;
-	}
+    public boolean isKeepDeletedTuples() {
+        return keepDeletedTuples;
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
index 6e04dd6..a109f3f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
@@ -27,7 +27,7 @@
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMBTreeWithBuddySearchCursor extends LSMBTreeWithBuddyAbstractCursor{
-	private int currentCursor;
+    private int currentCursor;
     private PermutingTupleReference buddyBTreeTuple;
 
     public LSMBTreeWithBuddySearchCursor(ILSMIndexOperationContext opCtx, int[] buddyBTreeFields) {
@@ -65,7 +65,7 @@
     private void searchNextCursor() throws HyracksDataException {
         if (currentCursor < numberOfTrees) {
             try {
-            	btreeCursors[currentCursor].reset();
+                btreeCursors[currentCursor].reset();
                 btreeAccessors[currentCursor].search(btreeCursors[currentCursor], btreeRangePredicate);
             } catch (IndexException e) {
                 throw new HyracksDataException(e);
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
index 11828a2..d045059 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
@@ -26,145 +26,145 @@
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMBTreeWithBuddySortedCursor extends
-		LSMBTreeWithBuddyAbstractCursor {
-	// TODO: This class can be removed and instead use a search cursor that uses
-	// a logic similar
-	// to the one in LSMRTreeWithAntiMatterTuplesSearchCursor
+        LSMBTreeWithBuddyAbstractCursor {
+    // TODO: This class can be removed and instead use a search cursor that uses
+    // a logic similar
+    // to the one in LSMRTreeWithAntiMatterTuplesSearchCursor
     // currently, this cursor is only used when doing merge operations.
-	private boolean[] depletedBtreeCursors;
-	private int foundIn = -1;
-	private PermutingTupleReference buddyBtreeTuple;
+    private boolean[] depletedBtreeCursors;
+    private int foundIn = -1;
+    private PermutingTupleReference buddyBtreeTuple;
 
-	public LSMBTreeWithBuddySortedCursor(ILSMIndexOperationContext opCtx,
-			int[] buddyBTreeFields) throws HyracksDataException {
-		super(opCtx);
-		this.buddyBtreeTuple = new PermutingTupleReference(buddyBTreeFields);
-		reset();
-	}
+    public LSMBTreeWithBuddySortedCursor(ILSMIndexOperationContext opCtx,
+            int[] buddyBTreeFields) throws HyracksDataException {
+        super(opCtx);
+        this.buddyBtreeTuple = new PermutingTupleReference(buddyBTreeFields);
+        reset();
+    }
 
-	public ILSMIndexOperationContext getOpCtx() {
-		return opCtx;
-	}
+    public ILSMIndexOperationContext getOpCtx() {
+        return opCtx;
+    }
 
-	@Override
-	public void reset() throws HyracksDataException {
-		depletedBtreeCursors = new boolean[numberOfTrees];
-		foundNext = false;
-		try {
-			for (int i = 0; i < numberOfTrees; i++) {
-				btreeCursors[i].reset();
-				try {
-					btreeAccessors[i].search(btreeCursors[i],
-							btreeRangePredicate);
-				} catch (IndexException e) {
-					throw new HyracksDataException(e);
-				}
-				if (btreeCursors[i].hasNext()) {
-					btreeCursors[i].next();
-				} else {
-					depletedBtreeCursors[i] = true;
-				}
-			}
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw new HyracksDataException(
-					"error while reseting the btrees of the lsm btree with buddy btree",
-					e);
-		} finally {
-			if (open) {
-				lsmHarness.endSearch(opCtx);
-			}
-		}
-	}
+    @Override
+    public void reset() throws HyracksDataException {
+        depletedBtreeCursors = new boolean[numberOfTrees];
+        foundNext = false;
+        try {
+            for (int i = 0; i < numberOfTrees; i++) {
+                btreeCursors[i].reset();
+                try {
+                    btreeAccessors[i].search(btreeCursors[i],
+                            btreeRangePredicate);
+                } catch (IndexException e) {
+                    throw new HyracksDataException(e);
+                }
+                if (btreeCursors[i].hasNext()) {
+                    btreeCursors[i].next();
+                } else {
+                    depletedBtreeCursors[i] = true;
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new HyracksDataException(
+                    "error while reseting the btrees of the lsm btree with buddy btree",
+                    e);
+        } finally {
+            if (open) {
+                lsmHarness.endSearch(opCtx);
+            }
+        }
+    }
 
-	@Override
-	public boolean hasNext() throws HyracksDataException, IndexException {
-		while (!foundNext) {
-			frameTuple = null;
+    @Override
+    public boolean hasNext() throws HyracksDataException, IndexException {
+        while (!foundNext) {
+            frameTuple = null;
 
-			if (foundIn != -1) {
-				if (btreeCursors[foundIn].hasNext()) {
-					btreeCursors[foundIn].next();
-				} else {
-					depletedBtreeCursors[foundIn] = true;
-				}
-			}
+            if (foundIn != -1) {
+                if (btreeCursors[foundIn].hasNext()) {
+                    btreeCursors[foundIn].next();
+                } else {
+                    depletedBtreeCursors[foundIn] = true;
+                }
+            }
 
-			foundIn = -1;
-			for (int i = 0; i < numberOfTrees; i++) {
-				if (depletedBtreeCursors[i])
-					continue;
+            foundIn = -1;
+            for (int i = 0; i < numberOfTrees; i++) {
+                if (depletedBtreeCursors[i])
+                    continue;
 
-				if (frameTuple == null) {
-					frameTuple = btreeCursors[i].getTuple();
-					foundIn = i;
-					continue;
-				}
+                if (frameTuple == null) {
+                    frameTuple = btreeCursors[i].getTuple();
+                    foundIn = i;
+                    continue;
+                }
 
-				if (btreeCmp.compare(frameTuple, btreeCursors[i].getTuple()) > 0) {
-					frameTuple = btreeCursors[i].getTuple();
-					foundIn = i;
-				}
-			}
+                if (btreeCmp.compare(frameTuple, btreeCursors[i].getTuple()) > 0) {
+                    frameTuple = btreeCursors[i].getTuple();
+                    foundIn = i;
+                }
+            }
 
-			if (foundIn == -1)
-				return false;
+            if (foundIn == -1)
+                return false;
 
-			boolean killed = false;
-			buddyBtreeTuple.reset(frameTuple);
-			for (int i = 0; i < foundIn; i++) {
-				try {
-					buddyBtreeCursors[i].reset();
-					buddyBtreeRangePredicate.setHighKey(buddyBtreeTuple, true);
-					btreeRangePredicate.setLowKey(buddyBtreeTuple, true);
-					btreeAccessors[i].search(btreeCursors[i],
-							btreeRangePredicate);
-				} catch (IndexException e) {
-					throw new HyracksDataException(e);
-				}
-				try {
-					if (btreeCursors[i].hasNext()) {
-						killed = true;
-						break;
-					}
-				} finally {
-					btreeCursors[i].close();
-				}
-			}
-			if (!killed) {
-				foundNext = true;
-			}
-		}
+            boolean killed = false;
+            buddyBtreeTuple.reset(frameTuple);
+            for (int i = 0; i < foundIn; i++) {
+                try {
+                    buddyBtreeCursors[i].reset();
+                    buddyBtreeRangePredicate.setHighKey(buddyBtreeTuple, true);
+                    btreeRangePredicate.setLowKey(buddyBtreeTuple, true);
+                    btreeAccessors[i].search(btreeCursors[i],
+                            btreeRangePredicate);
+                } catch (IndexException e) {
+                    throw new HyracksDataException(e);
+                }
+                try {
+                    if (btreeCursors[i].hasNext()) {
+                        killed = true;
+                        break;
+                    }
+                } finally {
+                    btreeCursors[i].close();
+                }
+            }
+            if (!killed) {
+                foundNext = true;
+            }
+        }
 
-		return true;
-	}
+        return true;
+    }
 
-	@Override
-	public void next() throws HyracksDataException {
-		foundNext = false;
-	}
+    @Override
+    public void next() throws HyracksDataException {
+        foundNext = false;
+    }
 
-	@Override
-	public void open(ICursorInitialState initialState,
-			ISearchPredicate searchPred) throws HyracksDataException,
-			IndexException {
-		super.open(initialState, searchPred);
+    @Override
+    public void open(ICursorInitialState initialState,
+            ISearchPredicate searchPred) throws HyracksDataException,
+            IndexException {
+        super.open(initialState, searchPred);
 
-		depletedBtreeCursors = new boolean[numberOfTrees];
-		foundNext = false;
-		for (int i = 0; i < numberOfTrees; i++) {
-			btreeCursors[i].reset();
-			try {
-				btreeAccessors[i].search(btreeCursors[i], btreeRangePredicate);
-			} catch (IndexException e) {
-				throw new HyracksDataException(e);
-			}
-			if (btreeCursors[i].hasNext()) {
-				btreeCursors[i].next();
-			} else {
-				depletedBtreeCursors[i] = true;
-			}
-		}
-	}
+        depletedBtreeCursors = new boolean[numberOfTrees];
+        foundNext = false;
+        for (int i = 0; i < numberOfTrees; i++) {
+            btreeCursors[i].reset();
+            try {
+                btreeAccessors[i].search(btreeCursors[i], btreeRangePredicate);
+            } catch (IndexException e) {
+                throw new HyracksDataException(e);
+            }
+            if (btreeCursors[i].hasNext()) {
+                btreeCursors[i].next();
+            } else {
+                depletedBtreeCursors[i] = true;
+            }
+        }
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
index 0f0edd2..0496809 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
@@ -36,46 +36,46 @@
 
 public class LSMBuddyBTreeMergeCursor extends LSMIndexSearchCursor {
 
-	public LSMBuddyBTreeMergeCursor(ILSMIndexOperationContext opCtx) {
-		super(opCtx, true);
-	}
+    public LSMBuddyBTreeMergeCursor(ILSMIndexOperationContext opCtx) {
+        super(opCtx, true);
+    }
 
-	@Override
-	protected boolean isDeleted(PriorityQueueElement checkElement)
-			throws HyracksDataException, IndexException {
-		return false;
-	}
+    @Override
+    protected boolean isDeleted(PriorityQueueElement checkElement)
+            throws HyracksDataException, IndexException {
+        return false;
+    }
 
-	@Override
-	public void open(ICursorInitialState initialState,
-			ISearchPredicate searchPred) throws IndexException,
-			HyracksDataException {
-		LSMBTreeWithBuddyCursorInitialState lsmInitialState = (LSMBTreeWithBuddyCursorInitialState) initialState;
-		cmp = lsmInitialState.getBuddyBTreeCmp();
-		operationalComponents = lsmInitialState.getOperationalComponents();
-		// We intentionally set the lsmHarness to null so that we don't call
-		// lsmHarness.endSearch() because we already do that when we merge
-		// actual index.
-		lsmHarness = null;
-		int numBTrees = operationalComponents.size();
-		rangeCursors = new IIndexCursor[numBTrees];
+    @Override
+    public void open(ICursorInitialState initialState,
+            ISearchPredicate searchPred) throws IndexException,
+            HyracksDataException {
+        LSMBTreeWithBuddyCursorInitialState lsmInitialState = (LSMBTreeWithBuddyCursorInitialState) initialState;
+        cmp = lsmInitialState.getBuddyBTreeCmp();
+        operationalComponents = lsmInitialState.getOperationalComponents();
+        // We intentionally set the lsmHarness to null so that we don't call
+        // lsmHarness.endSearch() because we already do that when we merge
+        // actual index.
+        lsmHarness = null;
+        int numBTrees = operationalComponents.size();
+        rangeCursors = new IIndexCursor[numBTrees];
 
-		RangePredicate btreePredicate = new RangePredicate(null, null, true,
-				true, cmp, cmp);
-		IIndexAccessor[] btreeAccessors = new ITreeIndexAccessor[numBTrees];
-		for (int i = 0; i < numBTrees; i++) {
-			ILSMComponent component = operationalComponents.get(i);
-			IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) lsmInitialState
-					.getBuddyBTreeLeafFrameFactory().createFrame();
-			rangeCursors[i] = new BTreeRangeSearchCursor(leafFrame, false);
-			BTree buddyBtree = (BTree) ((LSMBTreeWithBuddyDiskComponent) component)
-					.getBuddyBTree();
-			btreeAccessors[i] = buddyBtree.createAccessor(
-					NoOpOperationCallback.INSTANCE,
-					NoOpOperationCallback.INSTANCE);
-			btreeAccessors[i].search(rangeCursors[i], btreePredicate);
-		}
-		setPriorityQueueComparator();
-		initPriorityQueue();
-	}
+        RangePredicate btreePredicate = new RangePredicate(null, null, true,
+                true, cmp, cmp);
+        IIndexAccessor[] btreeAccessors = new ITreeIndexAccessor[numBTrees];
+        for (int i = 0; i < numBTrees; i++) {
+            ILSMComponent component = operationalComponents.get(i);
+            IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) lsmInitialState
+                    .getBuddyBTreeLeafFrameFactory().createFrame();
+            rangeCursors[i] = new BTreeRangeSearchCursor(leafFrame, false);
+            BTree buddyBtree = (BTree) ((LSMBTreeWithBuddyDiskComponent) component)
+                    .getBuddyBTree();
+            btreeAccessors[i] = buddyBtree.createAccessor(
+                    NoOpOperationCallback.INSTANCE,
+                    NoOpOperationCallback.INSTANCE);
+            btreeAccessors[i].search(rangeCursors[i], btreePredicate);
+        }
+        setPriorityQueueComparator();
+        initPriorityQueue();
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
index b9f281b..4e814d0 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
@@ -23,17 +23,17 @@
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class LSMBTreeCopyTupleWriter extends LSMBTreeTupleWriter {
-	public LSMBTreeCopyTupleWriter(ITypeTraits[] typeTraits, int numKeyFields){
-		// Third parameter is never used locally, just give false.
-	    super(typeTraits, numKeyFields, false);
-	}
+    public LSMBTreeCopyTupleWriter(ITypeTraits[] typeTraits, int numKeyFields){
+        // Third parameter is never used locally, just give false.
+        super(typeTraits, numKeyFields, false);
+    }
 
-	@Override
+    @Override
     public int writeTuple(ITupleReference tuple, byte[] targetBuf, int targetOff) {
-		int tupleSize = bytesRequired(tuple);
-		byte[] buf = tuple.getFieldData(0);
-		int tupleStartOff = ((LSMBTreeTupleReference)tuple).getTupleStart();
-		System.arraycopy(buf, tupleStartOff, targetBuf, targetOff, tupleSize);
+        int tupleSize = bytesRequired(tuple);
+        byte[] buf = tuple.getFieldData(0);
+        int tupleStartOff = ((LSMBTreeTupleReference)tuple).getTupleStart();
+        System.arraycopy(buf, tupleStartOff, targetBuf, targetOff, tupleSize);
         return tupleSize;
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
index eb03e7a..928b3fa 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
@@ -24,18 +24,18 @@
 import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class LSMBTreeCopyTupleWriterFactory extends TypeAwareTupleWriterFactory {
-	private static final long serialVersionUID = 1L;
-	private final ITypeTraits[] typeTraits;
-	private final int numKeyFields;
+    private static final long serialVersionUID = 1L;
+    private final ITypeTraits[] typeTraits;
+    private final int numKeyFields;
 
-	public LSMBTreeCopyTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields) {
-		super(typeTraits);
-		this.typeTraits = typeTraits;
-		this.numKeyFields = numKeyFields;
-	}
+    public LSMBTreeCopyTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields) {
+        super(typeTraits);
+        this.typeTraits = typeTraits;
+        this.numKeyFields = numKeyFields;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		return new LSMBTreeCopyTupleWriter(typeTraits, numKeyFields);
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        return new LSMBTreeCopyTupleWriter(typeTraits, numKeyFields);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
index fd7892d..24ae68c 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
@@ -30,40 +30,40 @@
  *
  */
 public class LSMBTreeRefrencingTupleWriterFactory extends TypeAwareTupleWriterFactory{
-	private static final long serialVersionUID = 1L;
-	private final ITypeTraits[] typeTraits;
-	private final int numKeyFields;
-	private boolean isDelete;
-	private LSMBTreeTupleWriter createdTupleWriter;
+    private static final long serialVersionUID = 1L;
+    private final ITypeTraits[] typeTraits;
+    private final int numKeyFields;
+    private boolean isDelete;
+    private LSMBTreeTupleWriter createdTupleWriter;
 
-	public LSMBTreeRefrencingTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
-		super(typeTraits);
-		this.typeTraits = typeTraits;
-		this.numKeyFields = numKeyFields;
-		this.isDelete = isDelete;
-	}
+    public LSMBTreeRefrencingTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
+        super(typeTraits);
+        this.typeTraits = typeTraits;
+        this.numKeyFields = numKeyFields;
+        this.isDelete = isDelete;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		createdTupleWriter = new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
-		return createdTupleWriter;
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        createdTupleWriter = new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
+        return createdTupleWriter;
+    }
 
-	public void setMode(IndexOperation op){
-		if(op == IndexOperation.INSERT){
-			this.isDelete = false;
-			if(createdTupleWriter != null){
-				this.createdTupleWriter.setAntimatter(false);
-			}
-		} else if(op == IndexOperation.DELETE){
-			this.isDelete = true;
-			if(createdTupleWriter != null){
-				this.createdTupleWriter.setAntimatter(true);
-			}
-		}
-	}
+    public void setMode(IndexOperation op){
+        if(op == IndexOperation.INSERT){
+            this.isDelete = false;
+            if(createdTupleWriter != null){
+                this.createdTupleWriter.setAntimatter(false);
+            }
+        } else if(op == IndexOperation.DELETE){
+            this.isDelete = true;
+            if(createdTupleWriter != null){
+                this.createdTupleWriter.setAntimatter(true);
+            }
+        }
+    }
 
-	public LSMBTreeTupleWriter getCreatedTupleWriter() {
-		return createdTupleWriter;
-	}
+    public LSMBTreeTupleWriter getCreatedTupleWriter() {
+        return createdTupleWriter;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
index 6eb104b..4d6fa61 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
@@ -35,9 +35,9 @@
     private final int numKeyFields;
 
     public LSMBTreeTupleReference(ITypeTraits[] typeTraits, int numKeyFields) {
-		super(typeTraits);
-		this.numKeyFields = numKeyFields;
-	}
+        super(typeTraits);
+        this.numKeyFields = numKeyFields;
+    }
 
     public void setFieldCount(int fieldCount) {
         super.setFieldCount(fieldCount);
@@ -75,23 +75,23 @@
         resetByTupleOffset(frame.getBuffer(), frame.getTupleOffset(tupleIndex));
     }
 
-	@Override
-	protected int getNullFlagsBytes() {
-		// +1.0 is for matter/antimatter bit.
-		return (int) Math.ceil((fieldCount + 1.0) / 8.0);
+    @Override
+    protected int getNullFlagsBytes() {
+        // +1.0 is for matter/antimatter bit.
+        return (int) Math.ceil((fieldCount + 1.0) / 8.0);
     }
 
-	@Override
-	public boolean isAntimatter() {
-	      // Check if the leftmost bit is 0 or 1.
-		final byte mask = (byte) (1 << 7);
-		if ((buf.array()[tupleStartOff] & mask) != 0) {
-		    return true;
-		}
-		return false;
-	}
+    @Override
+    public boolean isAntimatter() {
+          // Check if the leftmost bit is 0 or 1.
+        final byte mask = (byte) (1 << 7);
+        if ((buf.array()[tupleStartOff] & mask) != 0) {
+            return true;
+        }
+        return false;
+    }
 
     public int getTupleStart() {
-    	return tupleStartOff;
+        return tupleStartOff;
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
index f3b372f..5ee2b81 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
@@ -25,18 +25,18 @@
 
 public class LSMBTreeTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
-	private static final long serialVersionUID = 1L;
-	private final int numKeyFields;
-	private final boolean isDelete;
+    private static final long serialVersionUID = 1L;
+    private final int numKeyFields;
+    private final boolean isDelete;
 
-	public LSMBTreeTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
-		super(typeTraits);
-		this.numKeyFields = numKeyFields;
-		this.isDelete = isDelete;
-	}
+    public LSMBTreeTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
+        super(typeTraits);
+        this.numKeyFields = numKeyFields;
+        this.isDelete = isDelete;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		return new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        return new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
index 59fee05..56fa101 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
@@ -20,17 +20,17 @@
 package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public abstract class AbstractUTF8TokenFactory implements ITokenFactory {
-	private static final long serialVersionUID = 1L;
-	protected final byte tokenTypeTag;
-	protected final byte countTypeTag;
+    private static final long serialVersionUID = 1L;
+    protected final byte tokenTypeTag;
+    protected final byte countTypeTag;
 
-	public AbstractUTF8TokenFactory() {
-		tokenTypeTag = -1;
-		countTypeTag = -1;
-	}
+    public AbstractUTF8TokenFactory() {
+        tokenTypeTag = -1;
+        countTypeTag = -1;
+    }
 
-	public AbstractUTF8TokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		this.tokenTypeTag = tokenTypeTag;
-		this.countTypeTag = countTypeTag;
-	}
+    public AbstractUTF8TokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        this.tokenTypeTag = tokenTypeTag;
+        this.countTypeTag = countTypeTag;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
index 4dfdc88..81254fc 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
@@ -20,23 +20,23 @@
 package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class DelimitedUTF8StringBinaryTokenizerFactory implements
-		IBinaryTokenizerFactory {
+        IBinaryTokenizerFactory {
 
-	private static final long serialVersionUID = 1L;
-	private final boolean ignoreTokenCount;
-	private final boolean sourceHasTypeTag;
-	private final ITokenFactory tokenFactory;
+    private static final long serialVersionUID = 1L;
+    private final boolean ignoreTokenCount;
+    private final boolean sourceHasTypeTag;
+    private final ITokenFactory tokenFactory;
 
-	public DelimitedUTF8StringBinaryTokenizerFactory(boolean ignoreTokenCount,
-			boolean sourceHasTypeTag, ITokenFactory tokenFactory) {
-		this.ignoreTokenCount = ignoreTokenCount;
-		this.sourceHasTypeTag = sourceHasTypeTag;
-		this.tokenFactory = tokenFactory;
-	}
+    public DelimitedUTF8StringBinaryTokenizerFactory(boolean ignoreTokenCount,
+            boolean sourceHasTypeTag, ITokenFactory tokenFactory) {
+        this.ignoreTokenCount = ignoreTokenCount;
+        this.sourceHasTypeTag = sourceHasTypeTag;
+        this.tokenFactory = tokenFactory;
+    }
 
-	@Override
-	public IBinaryTokenizer createTokenizer() {
-		return new DelimitedUTF8StringBinaryTokenizer(ignoreTokenCount,
-				sourceHasTypeTag, tokenFactory);
-	}
+    @Override
+    public IBinaryTokenizer createTokenizer() {
+        return new DelimitedUTF8StringBinaryTokenizer(ignoreTokenCount,
+                sourceHasTypeTag, tokenFactory);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
index b593d3b..0bc01b6 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
@@ -21,18 +21,18 @@
 
 public class HashedUTF8NGramTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public HashedUTF8NGramTokenFactory() {
-		super();
-	}
+    public HashedUTF8NGramTokenFactory() {
+        super();
+    }
 
-	public HashedUTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public HashedUTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new HashedUTF8NGramToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new HashedUTF8NGramToken(tokenTypeTag, countTypeTag);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
index d560aeb..7819e16 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
@@ -21,18 +21,18 @@
 
 public class HashedUTF8WordTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public HashedUTF8WordTokenFactory() {
-		super();
-	}
+    public HashedUTF8WordTokenFactory() {
+        super();
+    }
 
-	public HashedUTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public HashedUTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new HashedUTF8WordToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new HashedUTF8WordToken(tokenTypeTag, countTypeTag);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
index 5edb05d..01e83a3 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface IBinaryTokenizerFactory extends Serializable {
-	public IBinaryTokenizer createTokenizer();
+    public IBinaryTokenizer createTokenizer();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
index 6671f72..3dc4f87 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
@@ -20,9 +20,9 @@
 package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public interface INGramToken {
-	public int getNumPostChars();
+    public int getNumPostChars();
 
-	public int getNumPreChars();
+    public int getNumPreChars();
 
-	public void setNumPrePostChars(int numPreChars, int numPostChars);
+    public void setNumPrePostChars(int numPreChars, int numPostChars);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
index f8d241c..64f1e99 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
@@ -21,19 +21,19 @@
 
 public class UTF8NGramTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public UTF8NGramTokenFactory() {
-		super();
-	}
+    public UTF8NGramTokenFactory() {
+        super();
+    }
 
-	public UTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public UTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new UTF8NGramToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new UTF8NGramToken(tokenTypeTag, countTypeTag);
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
index 5274fa3..3a8a048 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
@@ -21,19 +21,19 @@
 
 public class UTF8WordTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public UTF8WordTokenFactory() {
-		super();
-	}
+    public UTF8WordTokenFactory() {
+        super();
+    }
 
-	public UTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public UTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new UTF8WordToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new UTF8WordToken(tokenTypeTag, countTypeTag);
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
index bdc6708..ac4f3c8 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
@@ -26,23 +26,23 @@
 
 public class LSMTypeAwareTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
-	private static final long serialVersionUID = 1L;
-	private ITypeTraits[] typeTraits;
-	private final boolean isDelete;
+    private static final long serialVersionUID = 1L;
+    private ITypeTraits[] typeTraits;
+    private final boolean isDelete;
 
-	public LSMTypeAwareTupleWriterFactory(ITypeTraits[] typeTraits, boolean isDelete) {
-		super(typeTraits);
-		this.typeTraits = typeTraits;
-		this.isDelete = isDelete;
-	}
+    public LSMTypeAwareTupleWriterFactory(ITypeTraits[] typeTraits, boolean isDelete) {
+        super(typeTraits);
+        this.typeTraits = typeTraits;
+        this.isDelete = isDelete;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-	    if (isDelete) {
-	        return new TypeAwareTupleWriter(typeTraits);
-	    } else {
-	        return new RTreeTypeAwareTupleWriter(typeTraits);
-	    }
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        if (isDelete) {
+            return new TypeAwareTupleWriter(typeTraits);
+        } else {
+            return new RTreeTypeAwareTupleWriter(typeTraits);
+        }
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
index 18f20ae..1825003 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
@@ -22,6 +22,6 @@
 import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 
 public interface IGenericPrimitiveSerializerDeserializer<T> extends
-		ISerializerDeserializer<T> {
-	public double getValue(byte[] bytes, int offset);
+        ISerializerDeserializer<T> {
+    public double getValue(byte[] bytes, int offset);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
index 04111f9..d6d69bb 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.rtree.impls;
 
 public enum EntriesOrder {
-	ASCENDING, DESCENDING
+    ASCENDING, DESCENDING
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
index ec731c3..d89c12b 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
@@ -25,134 +25,134 @@
 import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class RTreeSplitKey implements ISplitKey {
-	public byte[] leftPageData = null;
-	public ByteBuffer leftPageBuf = null;
-	public ITreeIndexTupleReference leftTuple;
+    public byte[] leftPageData = null;
+    public ByteBuffer leftPageBuf = null;
+    public ITreeIndexTupleReference leftTuple;
 
-	public byte[] rightPageData = null;
-	public ByteBuffer rightPageBuf = null;
-	public ITreeIndexTupleReference rightTuple;
+    public byte[] rightPageData = null;
+    public ByteBuffer rightPageBuf = null;
+    public ITreeIndexTupleReference rightTuple;
 
-	public int keySize = 0;
+    public int keySize = 0;
 
-	public RTreeSplitKey(ITreeIndexTupleReference leftTuple,
-			ITreeIndexTupleReference rightTuple) {
-		this.leftTuple = leftTuple;
-		this.rightTuple = rightTuple;
-	}
+    public RTreeSplitKey(ITreeIndexTupleReference leftTuple,
+            ITreeIndexTupleReference rightTuple) {
+        this.leftTuple = leftTuple;
+        this.rightTuple = rightTuple;
+    }
 
-	public void initData(int keySize) {
-		// try to reuse existing memory from a lower-level split if possible
-		this.keySize = keySize;
-		if (leftPageData != null) {
-			if (leftPageData.length < keySize + 4) {
-				leftPageData = new byte[keySize + 4]; // add 4 for the page
-				leftPageBuf = ByteBuffer.wrap(leftPageData);
-			}
-		} else {
-			leftPageData = new byte[keySize + 4]; // add 4 for the page
-			leftPageBuf = ByteBuffer.wrap(leftPageData);
-		}
-		if (rightPageData != null) {
-			if (rightPageData.length < keySize + 4) {
-				rightPageData = new byte[keySize + 4]; // add 4 for the page
-				rightPageBuf = ByteBuffer.wrap(rightPageData);
-			}
-		} else {
-			rightPageData = new byte[keySize + 4]; // add 4 for the page
-			rightPageBuf = ByteBuffer.wrap(rightPageData);
-		}
+    public void initData(int keySize) {
+        // try to reuse existing memory from a lower-level split if possible
+        this.keySize = keySize;
+        if (leftPageData != null) {
+            if (leftPageData.length < keySize + 4) {
+                leftPageData = new byte[keySize + 4]; // add 4 for the page
+                leftPageBuf = ByteBuffer.wrap(leftPageData);
+            }
+        } else {
+            leftPageData = new byte[keySize + 4]; // add 4 for the page
+            leftPageBuf = ByteBuffer.wrap(leftPageData);
+        }
+        if (rightPageData != null) {
+            if (rightPageData.length < keySize + 4) {
+                rightPageData = new byte[keySize + 4]; // add 4 for the page
+                rightPageBuf = ByteBuffer.wrap(rightPageData);
+            }
+        } else {
+            rightPageData = new byte[keySize + 4]; // add 4 for the page
+            rightPageBuf = ByteBuffer.wrap(rightPageData);
+        }
 
-		leftTuple.resetByTupleOffset(leftPageBuf, 0);
-		rightTuple.resetByTupleOffset(rightPageBuf, 0);
-	}
+        leftTuple.resetByTupleOffset(leftPageBuf, 0);
+        rightTuple.resetByTupleOffset(rightPageBuf, 0);
+    }
 
-	public void resetLeftPage() {
-		leftPageData = null;
-		leftPageBuf = null;
-	}
+    public void resetLeftPage() {
+        leftPageData = null;
+        leftPageBuf = null;
+    }
 
-	public void resetRightPage() {
-		rightPageData = null;
-		rightPageBuf = null;
-	}
+    public void resetRightPage() {
+        rightPageData = null;
+        rightPageBuf = null;
+    }
 
-	public ByteBuffer getLeftPageBuffer() {
-		return leftPageBuf;
-	}
+    public ByteBuffer getLeftPageBuffer() {
+        return leftPageBuf;
+    }
 
-	public ByteBuffer getRightPageBuffer() {
-		return rightPageBuf;
-	}
+    public ByteBuffer getRightPageBuffer() {
+        return rightPageBuf;
+    }
 
-	public ITreeIndexTupleReference getLeftTuple() {
-		return leftTuple;
-	}
+    public ITreeIndexTupleReference getLeftTuple() {
+        return leftTuple;
+    }
 
-	public ITreeIndexTupleReference getRightTuple() {
-		return rightTuple;
-	}
+    public ITreeIndexTupleReference getRightTuple() {
+        return rightTuple;
+    }
 
-	public int getLeftPage() {
-		return leftPageBuf.getInt(keySize);
-	}
+    public int getLeftPage() {
+        return leftPageBuf.getInt(keySize);
+    }
 
-	public int getRightPage() {
-		return rightPageBuf.getInt(keySize);
-	}
+    public int getRightPage() {
+        return rightPageBuf.getInt(keySize);
+    }
 
-	public void setLeftPage(int page) {
-		leftPageBuf.putInt(keySize, page);
-	}
+    public void setLeftPage(int page) {
+        leftPageBuf.putInt(keySize, page);
+    }
 
-	public void setRightPage(int page) {
-		rightPageBuf.putInt(keySize, page);
-	}
+    public void setRightPage(int page) {
+        rightPageBuf.putInt(keySize, page);
+    }
 
-	public ISplitKey duplicate(ITreeIndexTupleReference copyLeftTuple,
-			ITreeIndexTupleReference copyRightTuple) {
-		RTreeSplitKey copy = new RTreeSplitKey(copyLeftTuple, copyRightTuple);
-		copy.leftPageData = leftPageData.clone();
-		copy.leftPageBuf = ByteBuffer.wrap(copy.leftPageData);
-		copy.leftTuple.setFieldCount(leftTuple.getFieldCount());
-		copy.leftTuple.resetByTupleOffset(copy.leftPageBuf, 0);
+    public ISplitKey duplicate(ITreeIndexTupleReference copyLeftTuple,
+            ITreeIndexTupleReference copyRightTuple) {
+        RTreeSplitKey copy = new RTreeSplitKey(copyLeftTuple, copyRightTuple);
+        copy.leftPageData = leftPageData.clone();
+        copy.leftPageBuf = ByteBuffer.wrap(copy.leftPageData);
+        copy.leftTuple.setFieldCount(leftTuple.getFieldCount());
+        copy.leftTuple.resetByTupleOffset(copy.leftPageBuf, 0);
 
-		copy.rightPageData = rightPageData.clone();
-		copy.rightPageBuf = ByteBuffer.wrap(copy.rightPageData);
-		copy.rightTuple.setFieldCount(rightTuple.getFieldCount());
-		copy.rightTuple.resetByTupleOffset(copy.rightPageBuf, 0);
-		return copy;
-	}
+        copy.rightPageData = rightPageData.clone();
+        copy.rightPageBuf = ByteBuffer.wrap(copy.rightPageData);
+        copy.rightTuple.setFieldCount(rightTuple.getFieldCount());
+        copy.rightTuple.resetByTupleOffset(copy.rightPageBuf, 0);
+        return copy;
+    }
 
-	@Override
-	public void reset() {
-		leftPageData = null;
-		leftPageBuf = null;
-		rightPageData = null;
-		rightPageBuf = null;
-	}
+    @Override
+    public void reset() {
+        leftPageData = null;
+        leftPageBuf = null;
+        rightPageData = null;
+        rightPageBuf = null;
+    }
 
-	@Override
-	public ByteBuffer getBuffer() {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public ByteBuffer getBuffer() {
+        // TODO Auto-generated method stub
+        return null;
+    }
 
-	@Override
-	public ITreeIndexTupleReference getTuple() {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public ITreeIndexTupleReference getTuple() {
+        // TODO Auto-generated method stub
+        return null;
+    }
 
-	@Override
-	public void setPages(int leftPage, int rightPage) {
-		leftPageBuf.putInt(keySize, leftPage);
-		rightPageBuf.putInt(keySize, rightPage);
-	}
+    @Override
+    public void setPages(int leftPage, int rightPage) {
+        leftPageBuf.putInt(keySize, leftPage);
+        rightPageBuf.putInt(keySize, rightPage);
+    }
 
-	@Override
-	public ISplitKey duplicate(ITreeIndexTupleReference copyTuple) {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public ISplitKey duplicate(ITreeIndexTupleReference copyTuple) {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
index a9176c9..21beb9c 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
@@ -22,35 +22,35 @@
 import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
 
 public class TupleEntry implements Comparable<TupleEntry> {
-	private int tupleIndex;
-	private double value;
+    private int tupleIndex;
+    private double value;
 
-	public TupleEntry() {
-	}
+    public TupleEntry() {
+    }
 
-	public int getTupleIndex() {
-		return tupleIndex;
-	}
+    public int getTupleIndex() {
+        return tupleIndex;
+    }
 
-	public void setTupleIndex(int tupleIndex) {
-		this.tupleIndex = tupleIndex;
-	}
+    public void setTupleIndex(int tupleIndex) {
+        this.tupleIndex = tupleIndex;
+    }
 
-	public double getValue() {
-		return value;
-	}
+    public double getValue() {
+        return value;
+    }
 
-	public void setValue(double value) {
-		this.value = value;
-	}
+    public void setValue(double value) {
+        this.value = value;
+    }
 
-	public int compareTo(TupleEntry tupleEntry) {
-		double cmp = this.getValue() - tupleEntry.getValue();
-		if (cmp > RTreeNSMFrame.doubleEpsilon())
-			return 1;
-		cmp = tupleEntry.getValue() - this.getValue();
-		if (cmp > RTreeNSMFrame.doubleEpsilon())
-			return -1;
-		return 0;
-	}
+    public int compareTo(TupleEntry tupleEntry) {
+        double cmp = this.getValue() - tupleEntry.getValue();
+        if (cmp > RTreeNSMFrame.doubleEpsilon())
+            return 1;
+        cmp = tupleEntry.getValue() - this.getValue();
+        if (cmp > RTreeNSMFrame.doubleEpsilon())
+            return -1;
+        return 0;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
index e8dce65..59cfb59 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
@@ -23,61 +23,61 @@
 import java.util.Collections;
 
 public class TupleEntryArrayList {
-	private TupleEntry[] data;
-	private int size;
-	private final int growth;
+    private TupleEntry[] data;
+    private int size;
+    private final int growth;
 
-	public TupleEntryArrayList(int initialCapacity, int growth) {
-		data = new TupleEntry[initialCapacity];
-		size = 0;
-		this.growth = growth;
-	}
+    public TupleEntryArrayList(int initialCapacity, int growth) {
+        data = new TupleEntry[initialCapacity];
+        size = 0;
+        this.growth = growth;
+    }
 
-	public int size() {
-		return size;
-	}
+    public int size() {
+        return size;
+    }
 
-	public void add(int tupleIndex, double value) {
-		if (size == data.length) {
-			TupleEntry[] newData = new TupleEntry[data.length + growth];
-			System.arraycopy(data, 0, newData, 0, data.length);
-			data = newData;
-		}
-		if (data[size] == null) {
-			data[size] = new TupleEntry();
-		}
-		data[size].setTupleIndex(tupleIndex);
-		data[size].setValue(value);
-		size++;
-	}
+    public void add(int tupleIndex, double value) {
+        if (size == data.length) {
+            TupleEntry[] newData = new TupleEntry[data.length + growth];
+            System.arraycopy(data, 0, newData, 0, data.length);
+            data = newData;
+        }
+        if (data[size] == null) {
+            data[size] = new TupleEntry();
+        }
+        data[size].setTupleIndex(tupleIndex);
+        data[size].setValue(value);
+        size++;
+    }
 
-	public void removeLast() {
-		if (size > 0)
-			size--;
-	}
+    public void removeLast() {
+        if (size > 0)
+            size--;
+    }
 
-	// WARNING: caller is responsible for checking size > 0
-	public TupleEntry getLast() {
-		return data[size - 1];
-	}
+    // WARNING: caller is responsible for checking size > 0
+    public TupleEntry getLast() {
+        return data[size - 1];
+    }
 
-	public TupleEntry get(int i) {
-		return data[i];
-	}
+    public TupleEntry get(int i) {
+        return data[i];
+    }
 
-	public void clear() {
-		size = 0;
-	}
+    public void clear() {
+        size = 0;
+    }
 
-	public boolean isEmpty() {
-		return size == 0;
-	}
+    public boolean isEmpty() {
+        return size == 0;
+    }
 
-	public void sort(EntriesOrder order, int tupleCount) {
-		if (order == EntriesOrder.ASCENDING) {
-			Arrays.sort(data, 0, tupleCount);
-		} else {
-			Arrays.sort(data, 0, tupleCount, Collections.reverseOrder());
-		}
-	}
+    public void sort(EntriesOrder order, int tupleCount) {
+        if (order == EntriesOrder.ASCENDING) {
+            Arrays.sort(data, 0, tupleCount);
+        } else {
+            Arrays.sort(data, 0, tupleCount, Collections.reverseOrder());
+        }
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
index 8c73e12..4a1637a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
@@ -31,7 +31,7 @@
     }
 
     public HilbertDoubleComparatorFactory(int dim) {
-    	this.dim = dim;
+        this.dim = dim;
     }
 
     @Override
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
index a2650d3..f5c6046 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
@@ -31,7 +31,7 @@
     }
 
     public ZCurveDoubleComparatorFactory(int dim) {
-    	this.dim = dim;
+        this.dim = dim;
     }
 
     @Override
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
index 4827a74..6a25995 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
@@ -31,7 +31,7 @@
     }
 
     public ZCurveIntComparatorFactory(int dim) {
-    	this.dim = dim;
+        this.dim = dim;
     }
 
     @Override
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
index ffdae7d..8a6996b 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
@@ -37,52 +37,52 @@
         fields[pos++] = e;
     }
 
-	@Override
-	public int compareTo(T o) {
-		CheckTuple<T> other = (CheckTuple<T>) o;
-		int cmpFieldCount = Math.min(other.getNumKeys(), numKeys);
-		for (int i = 0; i < cmpFieldCount; i++) {
-			int cmp = fields[i].compareTo(other.getField(i));
-			if (cmp != 0) {
-				return cmp;
-			}
-		}
-		if (other.getNumKeys() == numKeys) {
-		    return 0;
-		}
-		if (other.getNumKeys() < numKeys) {
-		    return (other.isHighKey) ? -1 : 1;
-		}
-		if (other.getNumKeys() > numKeys) {
+    @Override
+    public int compareTo(T o) {
+        CheckTuple<T> other = (CheckTuple<T>) o;
+        int cmpFieldCount = Math.min(other.getNumKeys(), numKeys);
+        for (int i = 0; i < cmpFieldCount; i++) {
+            int cmp = fields[i].compareTo(other.getField(i));
+            if (cmp != 0) {
+                return cmp;
+            }
+        }
+        if (other.getNumKeys() == numKeys) {
+            return 0;
+        }
+        if (other.getNumKeys() < numKeys) {
+            return (other.isHighKey) ? -1 : 1;
+        }
+        if (other.getNumKeys() > numKeys) {
             return (isHighKey) ? 1 : -1;
         }
-		return 0;
-	}
+        return 0;
+    }
 
-	@Override
-	public boolean equals(Object o) {
-		if (!(o instanceof Comparable<?>)) {
-			return false;
-		}
-		return compareTo((T) o) == 0;
-	}
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof Comparable<?>)) {
+            return false;
+        }
+        return compareTo((T) o) == 0;
+    }
 
-	@Override
-	public int hashCode() {
-		int hash = 0;
-		for (int i = 0; i < numKeys; i++) {
-			hash = 37 * hash + fields[i].hashCode();
-		}
-		return hash;
-	}
+    @Override
+    public int hashCode() {
+        int hash = 0;
+        for (int i = 0; i < numKeys; i++) {
+            hash = 37 * hash + fields[i].hashCode();
+        }
+        return hash;
+    }
 
-	public void setIsHighKey(boolean isHighKey) {
-	    this.isHighKey = isHighKey;
-	}
+    public void setIsHighKey(boolean isHighKey) {
+        this.isHighKey = isHighKey;
+    }
 
-	public T getField(int idx) {
-		return (T) fields[idx];
-	}
+    public T getField(int idx) {
+        return (T) fields[idx];
+    }
 
     public void setField(int idx, T e) {
         fields[idx] = e;
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
index 314cae9..32dd15d 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
@@ -51,11 +51,11 @@
 
     public long[] run(int numThreads, int numRepeats, int numOps, int batchSize) throws InterruptedException,
             TreeIndexException, HyracksDataException {
-    	int numBatches = (batchSize < 1 ? numOps : numOps / batchSize);
-    	if (numBatches < numThreads) {
-    		numThreads = numBatches;
-    	}
-    	int threadNumBatches = numBatches / numThreads;
+        int numBatches = (batchSize < 1 ? numOps : numOps / batchSize);
+        if (numBatches < numThreads) {
+            numThreads = numBatches;
+        }
+        int threadNumBatches = numBatches / numThreads;
         long[] times = new long[numRepeats];
         for (int i = 0; i < numRepeats; i++) {
             DataGenThread dataGen = createDatagenThread(numThreads, numBatches, batchSize);
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
index 44a102d..b53f0dc 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
@@ -36,7 +36,7 @@
     private static final int numDeleteRounds = AccessMethodTestsConfig.RTREE_NUM_DELETE_ROUNDS;
 
     public AbstractRTreeDeleteTest(boolean testRstarPolicy) {
-    	super(testRstarPolicy);
+        super(testRstarPolicy);
         this.rTreeTestUtils = new RTreeTestUtils();
     }
 
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
index 5ad6f3b..c45b0bd 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
@@ -39,7 +39,7 @@
     private final RTreeTestUtils rTreeTestUtils;
 
     public AbstractRTreeInsertTest(boolean testRstarPolicy) {
-    	super(testRstarPolicy);
+        super(testRstarPolicy);
         this.rTreeTestUtils = new RTreeTestUtils();
     }
 
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
index e4f77fd..885ff9b 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
@@ -19,7 +19,6 @@
 package org.apache.hyracks.test.support;
 
 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;
@@ -44,8 +43,8 @@
         return TestStorageManagerComponentHolder.getLocalResourceRepository(ctx);
     }
 
-	@Override
-	public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
-		return TestStorageManagerComponentHolder.getResourceIdFactory(ctx);
-	}
+    @Override
+    public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
+        return TestStorageManagerComponentHolder.getResourceIdFactory(ctx);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
index 2541bd8..7f782aa 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
@@ -35,11 +35,11 @@
 @SuppressWarnings("rawtypes")
 public class RTreeDeleteTest extends AbstractRTreeDeleteTest {
 
-	private final RTreeTestHarness harness = new RTreeTestHarness();
+    private final RTreeTestHarness harness = new RTreeTestHarness();
 
-	public RTreeDeleteTest() {
-		super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
-	}
+    public RTreeDeleteTest() {
+        super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
+    }
 
     @Before
     public void setUp() throws HyracksDataException {
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
index 621055b..7bd22fc 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
@@ -35,11 +35,11 @@
 @SuppressWarnings("rawtypes")
 public class RTreeInsertTest extends AbstractRTreeInsertTest {
 
-	private final RTreeTestHarness harness = new RTreeTestHarness();
+    private final RTreeTestHarness harness = new RTreeTestHarness();
 
-	public RTreeInsertTest() {
-		super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
-	}
+    public RTreeInsertTest() {
+        super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
+    }
 
     @Before
     public void setUp() throws HyracksDataException {

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Gerrit-MessageType: newchange
Gerrit-Change-Id: I0dfbeaa9b9b24d3da106ead85afd9df02b14ddaa
Gerrit-PatchSet: 1
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Gerrit-Branch: master
Gerrit-Owner: Michael Blow <mi...@couchbase.com>

Change in asterixdb[master]: Eliminate Hard Tabs From Java Files

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: Eliminate Hard Tabs From Java Files
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-notopic/1651/

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Gerrit-Change-Id: I0dfbeaa9b9b24d3da106ead85afd9df02b14ddaa
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Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Michael Blow <mi...@couchbase.com>
Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-HasComments: No

Change in asterixdb[master]: Eliminate Hard Tabs From Java Files

Posted by "Till Westmann (Code Review)" <do...@asterixdb.incubator.apache.org>.
Till Westmann has posted comments on this change.

Change subject: Eliminate Hard Tabs From Java Files
......................................................................


Patch Set 1:

Can we fail the build now, if a java file contains a tab?

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Gerrit-Change-Id: I0dfbeaa9b9b24d3da106ead85afd9df02b14ddaa
Gerrit-PatchSet: 1
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Michael Blow <mi...@couchbase.com>
Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>
Gerrit-HasComments: No

Change in asterixdb[master]: Eliminate Hard Tabs From Java Files

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: Eliminate Hard Tabs From Java Files
......................................................................


Patch Set 1:

WARNING: THIS CHANGE CONTAINS CROSS-PRODUCT CHANGES IN:
* asterixdb
* hyracks-fullstack

PLEASE REVIEW CAREFULLY AND LOOK FOR API CHANGES!

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Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>
Gerrit-HasComments: No

Change in asterixdb[master]: Eliminate Hard Tabs From Java Files

Posted by "Till Westmann (Code Review)" <do...@asterixdb.incubator.apache.org>.
Till Westmann has posted comments on this change.

Change subject: Eliminate Hard Tabs From Java Files
......................................................................


Patch Set 1: Code-Review+2

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Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>
Gerrit-HasComments: No

Change in asterixdb[master]: Eliminate Hard Tabs From Java Files

Posted by "Michael Blow (Code Review)" <do...@asterixdb.incubator.apache.org>.
Michael Blow has submitted this change and it was merged.

Change subject: Eliminate Hard Tabs From Java Files
......................................................................


Eliminate Hard Tabs From Java Files

tabs->spaces

Change-Id: I0dfbeaa9b9b24d3da106ead85afd9df02b14ddaa
Reviewed-on: https://asterix-gerrit.ics.uci.edu/921
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <ti...@apache.org>
---
M asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
M hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
M hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
M hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
M hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
M hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
M hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
M hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
M hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
M hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
M hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
67 files changed, 1,208 insertions(+), 1,209 deletions(-)

Approvals:
  Till Westmann: Looks good to me, approved
  Jenkins: Verified



diff --git a/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java b/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
index 8c92cd1..05ba774 100644
--- a/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
+++ b/asterixdb/asterix-yarn/src/main/java/org/apache/asterix/aoya/Deleter.java
@@ -33,7 +33,7 @@
 
     public static void main(String[] args) throws IOException {
 
-	LogManager.getRootLogger().setLevel(Level.DEBUG);
+        LogManager.getRootLogger().setLevel(Level.DEBUG);
 
         LOG.info("Obliterator args: " + Arrays.toString(args));
         for (int i = 0; i < args.length; i++) {
diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
index a8af9a0..8318176 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalExpressionPrettyPrintVisitor.java
@@ -30,45 +30,45 @@
 
 public class LogicalExpressionPrettyPrintVisitor implements ILogicalExpressionVisitor<String, Integer> {
 
-	@Override
-	public String visitConstantExpression(ConstantExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitConstantExpression(ConstantExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitVariableReferenceExpression(
-			VariableReferenceExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitVariableReferenceExpression(
+            VariableReferenceExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitAggregateFunctionCallExpression(
-			AggregateFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitAggregateFunctionCallExpression(
+            AggregateFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitScalarFunctionCallExpression(
-			ScalarFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitScalarFunctionCallExpression(
+            ScalarFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitStatefulFunctionCallExpression(
-			StatefulFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitStatefulFunctionCallExpression(
+            StatefulFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 
-	@Override
-	public String visitUnnestingFunctionCallExpression(
-			UnnestingFunctionCallExpression expr, Integer indent)
-			throws AlgebricksException {
-		return expr.toString();
-	}
+    @Override
+    public String visitUnnestingFunctionCallExpression(
+            UnnestingFunctionCallExpression expr, Integer indent)
+            throws AlgebricksException {
+        return expr.toString();
+    }
 }
 
diff --git a/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java b/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
index c6b2e6b..0992489 100644
--- a/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
+++ b/hyracks-fullstack/algebricks/algebricks-data/src/main/java/org/apache/hyracks/algebricks/data/IBinaryHashFunctionFamilyProvider.java
@@ -24,6 +24,6 @@
 
 public interface IBinaryHashFunctionFamilyProvider {
 
-	public IBinaryHashFunctionFamily getBinaryHashFunctionFamily(Object type)
-			throws AlgebricksException;
+    public IBinaryHashFunctionFamily getBinaryHashFunctionFamily(Object type)
+            throws AlgebricksException;
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
index 8cb473d..9da28fb 100644
--- a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
+++ b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleReference.java
@@ -29,31 +29,31 @@
  * @author alexander.behm
  */
 public class ArrayTupleReference implements ITupleReference {
-	private int[] fEndOffsets;
-	private byte[] tupleData;
+    private int[] fEndOffsets;
+    private byte[] tupleData;
 
-	public void reset(int[] fEndOffsets, byte[] tupleData) {
-		this.fEndOffsets = fEndOffsets;
-		this.tupleData = tupleData;
-	}
+    public void reset(int[] fEndOffsets, byte[] tupleData) {
+        this.fEndOffsets = fEndOffsets;
+        this.tupleData = tupleData;
+    }
 
-	@Override
-	public int getFieldCount() {
-		return fEndOffsets.length;
-	}
+    @Override
+    public int getFieldCount() {
+        return fEndOffsets.length;
+    }
 
-	@Override
-	public byte[] getFieldData(int fIdx) {
-		return tupleData;
-	}
+    @Override
+    public byte[] getFieldData(int fIdx) {
+        return tupleData;
+    }
 
-	@Override
-	public int getFieldStart(int fIdx) {
-		return (fIdx == 0) ? 0 : fEndOffsets[fIdx - 1];
-	}
+    @Override
+    public int getFieldStart(int fIdx) {
+        return (fIdx == 0) ? 0 : fEndOffsets[fIdx - 1];
+    }
 
-	@Override
-	public int getFieldLength(int fIdx) {
-		return (fIdx == 0) ? fEndOffsets[0] : fEndOffsets[fIdx] - fEndOffsets[fIdx - 1];
-	}
+    @Override
+    public int getFieldLength(int fIdx) {
+        return (fIdx == 0) ? fEndOffsets[0] : fEndOffsets[fIdx] - fEndOffsets[fIdx - 1];
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java b/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
index 17c5ec5..047a6fc 100644
--- a/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
+++ b/hyracks-fullstack/hyracks/hyracks-dataflow-hadoop/src/main/java/org/apache/hyracks/dataflow/hadoop/util/MRContextUtil.java
@@ -41,7 +41,7 @@
  * The wrapper to generate TaskTattemptContext
  */
 public class MRContextUtil {
-    //	public static Reducer.Context = create
+    //public static Reducer.Context = create
 
     @SuppressWarnings({ "rawtypes", "unchecked" })
     public Mapper.Context createMapContext(Configuration conf, TaskAttemptID taskid, RecordReader reader,
diff --git a/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java b/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
index 5f40b28..52f3417 100644
--- a/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
+++ b/hyracks-fullstack/hyracks/hyracks-net/src/main/java/org/apache/hyracks/net/protocols/muxdemux/ChannelSet.java
@@ -62,7 +62,7 @@
 
     ChannelControlBlock allocateChannel() throws NetException {
         synchronized (mConn) {
-       	    cleanupClosedChannels();
+            cleanupClosedChannels();
             int idx = allocationBitmap.nextClearBit(0);
             if (idx < 0 || idx >= ccbArray.length) {
                 cleanupClosedChannels();
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
index fd9a0bc..d9ab69f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProvider.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.api;
 
 public interface IPrimitiveValueProvider {
-	public double getValue(byte[] bytes, int offset);
+    public double getValue(byte[] bytes, int offset);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
index 198f27a..ceb5f71 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/IPrimitiveValueProviderFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface IPrimitiveValueProviderFactory extends Serializable {
-	public IPrimitiveValueProvider createPrimitiveValueProvider();
+    public IPrimitiveValueProvider createPrimitiveValueProvider();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
index 3f0f8bc..311fef4 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ISplitKey.java
@@ -21,23 +21,23 @@
 import java.nio.ByteBuffer;
 
 public interface ISplitKey {
-	public void initData(int keySize);
+    public void initData(int keySize);
 
-	public void reset();
+    public void reset();
 
-	public ByteBuffer getBuffer();
+    public ByteBuffer getBuffer();
 
-	public ITreeIndexTupleReference getTuple();
+    public ITreeIndexTupleReference getTuple();
 
-	public int getLeftPage();
+    public int getLeftPage();
 
-	public int getRightPage();
+    public int getRightPage();
 
-	public void setLeftPage(int leftPage);
+    public void setLeftPage(int leftPage);
 
-	public void setRightPage(int rightPage);
+    public void setRightPage(int rightPage);
 
-	public void setPages(int leftPage, int rightPage);
+    public void setPages(int leftPage, int rightPage);
 
-	public ISplitKey duplicate(ITreeIndexTupleReference copyTuple);
+    public ISplitKey duplicate(ITreeIndexTupleReference copyTuple);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
index ac3fc3b..0dd327f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexAccessor.java
@@ -29,21 +29,21 @@
  * concurrent operations).
  */
 public interface ITreeIndexAccessor extends IIndexAccessor {
-	/**
-	 * Creates a cursor appropriate for passing into diskOrderScan().
-	 *
-	 */
-	public ITreeIndexCursor createDiskOrderScanCursor();
+    /**
+     * Creates a cursor appropriate for passing into diskOrderScan().
+     *
+     */
+    public ITreeIndexCursor createDiskOrderScanCursor();
 
-	/**
-	 * Open the given cursor for a disk-order scan, positioning the cursor to
-	 * the first leaf tuple.
-	 *
-	 * @param icursor
-	 *            Cursor to be opened for disk-order scanning.
-	 * @throws HyracksDataException
-	 *             If the BufferCache throws while un/pinning or un/latching.
-	 */
-	public void diskOrderScan(ITreeIndexCursor cursor)
-			throws HyracksDataException;
+    /**
+     * Open the given cursor for a disk-order scan, positioning the cursor to
+     * the first leaf tuple.
+     *
+     * @param icursor
+     *            Cursor to be opened for disk-order scanning.
+     * @throws HyracksDataException
+     *             If the BufferCache throws while un/pinning or un/latching.
+     */
+    public void diskOrderScan(ITreeIndexCursor cursor)
+            throws HyracksDataException;
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
index 7405833..ff7deaf 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexMetaDataFrameFactory.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.api;
 
 public interface ITreeIndexMetaDataFrameFactory {
-	public ITreeIndexMetaDataFrame createFrame();
+    public ITreeIndexMetaDataFrame createFrame();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
index 8fb8924..22bff98 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITreeIndexTupleWriterFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface ITreeIndexTupleWriterFactory extends Serializable {
-	public ITreeIndexTupleWriter createTupleWriter();
+    public ITreeIndexTupleWriter createTupleWriter();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
index ac74021..50673cf 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleFilter.java
@@ -22,5 +22,5 @@
 import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
 
 public interface ITupleFilter {
-	public boolean accept(IFrameTupleReference tuple) throws Exception;
+    public boolean accept(IFrameTupleReference tuple) throws Exception;
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
index b0debc9..2cbb746 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdater.java
@@ -29,5 +29,5 @@
  *
  */
 public interface ITupleUpdater {
-	public void updateTuple(ITupleReference tuple);
+    public void updateTuple(ITupleReference tuple);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
index 941d738..80d1d20 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ITupleUpdaterFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface ITupleUpdaterFactory extends Serializable {
-	public ITupleUpdater createTupleUpdater();
+    public ITupleUpdater createTupleUpdater();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
index 988a304..080752f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/TreeIndexException.java
@@ -21,22 +21,22 @@
 
 public class TreeIndexException extends IndexException {
 
-	private static final long serialVersionUID = 1L;
-	private boolean handled = false;
+    private static final long serialVersionUID = 1L;
+    private boolean handled = false;
 
-	public TreeIndexException(Exception e) {
-		super(e);
-	}
+    public TreeIndexException(Exception e) {
+        super(e);
+    }
 
-	public TreeIndexException(String message) {
-		super(message);
-	}
+    public TreeIndexException(String message) {
+        super(message);
+    }
 
-	public void setHandled(boolean handled) {
-		this.handled = handled;
-	}
+    public void setHandled(boolean handled) {
+        this.handled = handled;
+    }
 
-	public boolean getHandled() {
-		return handled;
-	}
+    public boolean getHandled() {
+        return handled;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
index dd69cb1..52a8488 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/UnsortedInputException.java
@@ -23,13 +23,13 @@
  * Thrown when trying to bulk load an index with an unsorted input stream.
  */
 public class UnsortedInputException extends IndexException {
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public UnsortedInputException(Exception e) {
-		super(e);
-	}
+    public UnsortedInputException(Exception e) {
+        super(e);
+    }
 
-	public UnsortedInputException(String message) {
+    public UnsortedInputException(String message) {
         super(message);
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
index 4ae6995..0a41e47 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/ITreeIndexOperatorDescriptor.java
@@ -24,9 +24,9 @@
 import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory;
 
 public interface ITreeIndexOperatorDescriptor extends IIndexOperatorDescriptor {
-	public IBinaryComparatorFactory[] getTreeIndexComparatorFactories();
+    public IBinaryComparatorFactory[] getTreeIndexComparatorFactories();
 
-	public ITypeTraits[] getTreeIndexTypeTraits();
+    public ITypeTraits[] getTreeIndexTypeTraits();
 
-	public ITupleFilterFactory getTupleFilterFactory();
+    public ITupleFilterFactory getTupleFilterFactory();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
index 7aba4c8..bd5e5c4 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/exceptions/TreeIndexNonExistentKeyException.java
@@ -23,13 +23,13 @@
 
 public class TreeIndexNonExistentKeyException extends TreeIndexException {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public TreeIndexNonExistentKeyException(Exception e) {
-		super(e);
-	}
+    public TreeIndexNonExistentKeyException(Exception e) {
+        super(e);
+    }
 
-	public TreeIndexNonExistentKeyException(String message) {
-		super(message);
-	}
+    public TreeIndexNonExistentKeyException(String message) {
+        super(message);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
index d9e119f..92ba631 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/AbstractSlotManager.java
@@ -27,46 +27,46 @@
     public static final int GREATEST_KEY_INDICATOR = -1;
     public static final int ERROR_INDICATOR = -2;
 
-	protected static final int slotSize = 4;
-	protected ITreeIndexFrame frame;
+    protected static final int slotSize = 4;
+    protected ITreeIndexFrame frame;
 
-	@Override
-	public int getTupleOff(int offset) {
-		return frame.getBuffer().getInt(offset);
-	}
+    @Override
+    public int getTupleOff(int offset) {
+        return frame.getBuffer().getInt(offset);
+    }
 
-	@Override
-	public void setSlot(int offset, int value) {
-		frame.getBuffer().putInt(offset, value);
-	}
+    @Override
+    public void setSlot(int offset, int value) {
+        frame.getBuffer().putInt(offset, value);
+    }
 
-	@Override
-	public int getSlotEndOff() {
-		return frame.getBuffer().capacity()
-				- (frame.getTupleCount() * slotSize);
-	}
+    @Override
+    public int getSlotEndOff() {
+        return frame.getBuffer().capacity()
+                - (frame.getTupleCount() * slotSize);
+    }
 
-	@Override
-	public int getSlotStartOff() {
-		return frame.getBuffer().capacity() - slotSize;
-	}
+    @Override
+    public int getSlotStartOff() {
+        return frame.getBuffer().capacity() - slotSize;
+    }
 
-	@Override
-	public int getSlotSize() {
-		return slotSize;
-	}
+    @Override
+    public int getSlotSize() {
+        return slotSize;
+    }
 
-	@Override
-	public void setFrame(ITreeIndexFrame frame) {
-		this.frame = frame;
-	}
+    @Override
+    public void setFrame(ITreeIndexFrame frame) {
+        this.frame = frame;
+    }
 
-	@Override
-	public int getSlotOff(int tupleIndex) {
-		return getSlotStartOff() - tupleIndex * slotSize;
-	}
+    @Override
+    public int getSlotOff(int tupleIndex) {
+        return getSlotStartOff() - tupleIndex * slotSize;
+    }
 
-	@Override
+    @Override
     public int getGreatestKeyIndicator() {
         return GREATEST_KEY_INDICATOR;
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
index a130f3c..d2cec23 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/frames/LIFOMetaDataFrameFactory.java
@@ -23,8 +23,8 @@
 import org.apache.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
 
 public class LIFOMetaDataFrameFactory implements ITreeIndexMetaDataFrameFactory {
-	@Override
-	public ITreeIndexMetaDataFrame createFrame() {
-		return new LIFOMetaDataFrame();
-	}
+    @Override
+    public ITreeIndexMetaDataFrame createFrame() {
+        return new LIFOMetaDataFrame();
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
index 781437f..ce2aa38 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleMode.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum FindTupleMode {
-	INCLUSIVE, EXCLUSIVE, EXCLUSIVE_ERROR_IF_EXISTS, EXACT
+    INCLUSIVE, EXCLUSIVE, EXCLUSIVE_ERROR_IF_EXISTS, EXACT
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
index d59dc11..e9dfaff 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/FindTupleNoExactMatchPolicy.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum FindTupleNoExactMatchPolicy {
-	LOWER_KEY, HIGHER_KEY, NONE
+    LOWER_KEY, HIGHER_KEY, NONE
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
index 5d04dc8..7a0d4e8 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/IndexOp.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public enum IndexOp {
-	INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE
+    INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
index c15fe38..1da4f46 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/LongArrayList.java
@@ -20,28 +20,28 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class LongArrayList {
-	private long[] data;
-	private int size;
-	private int first;
-	private final int growth;
+    private long[] data;
+    private int size;
+    private int first;
+    private final int growth;
 
-	public LongArrayList(int initialCapacity, int growth) {
-		data = new long[initialCapacity];
-		size = 0;
-		first = 0;
-		this.growth = growth;
-	}
+    public LongArrayList(int initialCapacity, int growth) {
+        data = new long[initialCapacity];
+        size = 0;
+        first = 0;
+        this.growth = growth;
+    }
 
-	public int size() {
-		return size;
-	}
+    public int size() {
+        return size;
+    }
 
-	public int first() {
-		return first;
-	}
+    public int first() {
+        return first;
+    }
 
-	public void addFirst(long i) {
-	    long[] newData = new long[data.length + 1];
+    public void addFirst(long i) {
+        long[] newData = new long[data.length + 1];
         System.arraycopy(data, 0, newData, 0, first);
         System.arraycopy(data, first, newData, first + 1, size - first);
         data = newData;
@@ -50,54 +50,54 @@
     }
 
 
-	public void add(long i) {
-		if (size == data.length) {
-			long[] newData = new long[data.length + growth];
-			System.arraycopy(data, 0, newData, 0, data.length);
-			data = newData;
-		}
+    public void add(long i) {
+        if (size == data.length) {
+            long[] newData = new long[data.length + growth];
+            System.arraycopy(data, 0, newData, 0, data.length);
+            data = newData;
+        }
 
-		data[size++] = i;
-	}
+        data[size++] = i;
+    }
 
-	public void removeLast() {
-		if (size > 0)
-			size--;
-	}
+    public void removeLast() {
+        if (size > 0)
+            size--;
+    }
 
-	// WARNING: caller is responsible for checking size > 0
-	public long getLast() {
-		return data[size - 1];
-	}
+    // WARNING: caller is responsible for checking size > 0
+    public long getLast() {
+        return data[size - 1];
+    }
 
-	public long get(int i) {
-		return data[i];
-	}
+    public long get(int i) {
+        return data[i];
+    }
 
-	// WARNING: caller is responsible for checking i < size
-	public void set(int i, long value) {
-		data[i] = value;
+    // WARNING: caller is responsible for checking i < size
+    public void set(int i, long value) {
+        data[i] = value;
 
-	}
+    }
 
-	public long getFirst() {
-		return data[first];
-	}
+    public long getFirst() {
+        return data[first];
+    }
 
-	public void moveFirst() {
-		first++;
-	}
+    public void moveFirst() {
+        first++;
+    }
 
-	public void clear() {
-		size = 0;
-		first = 0;
-	}
+    public void clear() {
+        size = 0;
+        first = 0;
+    }
 
-	public boolean isLast() {
-		return size == first;
-	}
+    public boolean isLast() {
+        return size == first;
+    }
 
-	public boolean isEmpty() {
-		return size == 0;
-	}
+    public boolean isEmpty() {
+        return size == 0;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
index 0944f13..f7845c7 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/ophelpers/SlotOffTupleOff.java
@@ -20,23 +20,23 @@
 package org.apache.hyracks.storage.am.common.ophelpers;
 
 public class SlotOffTupleOff implements Comparable<SlotOffTupleOff> {
-	public int tupleIndex;
-	public int slotOff;
-	public int tupleOff;
+    public int tupleIndex;
+    public int slotOff;
+    public int tupleOff;
 
-	public SlotOffTupleOff(int tupleIndex, int slotOff, int recOff) {
-		this.tupleIndex = tupleIndex;
-		this.slotOff = slotOff;
-		this.tupleOff = recOff;
-	}
+    public SlotOffTupleOff(int tupleIndex, int slotOff, int recOff) {
+        this.tupleIndex = tupleIndex;
+        this.slotOff = slotOff;
+        this.tupleOff = recOff;
+    }
 
-	@Override
-	public int compareTo(SlotOffTupleOff o) {
-		return tupleOff - o.tupleOff;
-	}
+    @Override
+    public int compareTo(SlotOffTupleOff o) {
+        return tupleOff - o.tupleOff;
+    }
 
-	@Override
-	public String toString() {
-		return tupleIndex + " " + slotOff + " " + tupleOff;
-	}
+    @Override
+    public String toString() {
+        return tupleIndex + " " + slotOff + " " + tupleOff;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
index 4d37049..9b16514 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/SimpleTupleReference.java
@@ -96,8 +96,8 @@
         return fieldCount * 2;
     }
 
-	@Override
-	public int getTupleSize() {
-		return nullFlagsBytes + fieldSlotsBytes + buf.getShort(tupleStartOff + nullFlagsBytes + (fieldCount-1) * 2);
-	}
+    @Override
+    public int getTupleSize() {
+        return nullFlagsBytes + fieldSlotsBytes + buf.getShort(tupleStartOff + nullFlagsBytes + (fieldCount-1) * 2);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
index c367152..741a53a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/tuples/TypeAwareTupleWriterFactory.java
@@ -24,18 +24,18 @@
 import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory;
 
 public class TypeAwareTupleWriterFactory implements
-		ITreeIndexTupleWriterFactory {
+        ITreeIndexTupleWriterFactory {
 
-	private static final long serialVersionUID = 1L;
-	protected ITypeTraits[] typeTraits;
+    private static final long serialVersionUID = 1L;
+    protected ITypeTraits[] typeTraits;
 
-	public TypeAwareTupleWriterFactory(ITypeTraits[] typeTraits) {
-		this.typeTraits = typeTraits;
-	}
+    public TypeAwareTupleWriterFactory(ITypeTraits[] typeTraits) {
+        this.typeTraits = typeTraits;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		return new TypeAwareTupleWriter(typeTraits);
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        return new TypeAwareTupleWriter(typeTraits);
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
index 5668992..ff76c5a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexBufferCacheWarmup.java
@@ -32,74 +32,74 @@
 import org.apache.hyracks.storage.common.file.BufferedFileHandle;
 
 public class TreeIndexBufferCacheWarmup {
-	private final IBufferCache bufferCache;
-	private final IMetaDataPageManager freePageManager;
-	private final int fileId;
-	private final ArrayList<IntArrayList> pagesByLevel = new ArrayList<IntArrayList>();
-	private final Random rnd = new Random();
+    private final IBufferCache bufferCache;
+    private final IMetaDataPageManager freePageManager;
+    private final int fileId;
+    private final ArrayList<IntArrayList> pagesByLevel = new ArrayList<IntArrayList>();
+    private final Random rnd = new Random();
 
-	public TreeIndexBufferCacheWarmup(IBufferCache bufferCache,
-			IMetaDataPageManager freePageManager, int fileId) {
-		this.bufferCache = bufferCache;
-		this.freePageManager = freePageManager;
-		this.fileId = fileId;
-	}
+    public TreeIndexBufferCacheWarmup(IBufferCache bufferCache,
+            IMetaDataPageManager freePageManager, int fileId) {
+        this.bufferCache = bufferCache;
+        this.freePageManager = freePageManager;
+        this.fileId = fileId;
+    }
 
-	public void warmup(ITreeIndexFrame frame,
-			ITreeIndexMetaDataFrame metaFrame, int[] warmupTreeLevels,
-			int[] warmupRepeats) throws HyracksDataException {
-		bufferCache.openFile(fileId);
+    public void warmup(ITreeIndexFrame frame,
+            ITreeIndexMetaDataFrame metaFrame, int[] warmupTreeLevels,
+            int[] warmupRepeats) throws HyracksDataException {
+        bufferCache.openFile(fileId);
 
-		// scan entire file to determine pages in each level
-		int maxPageId = freePageManager.getMaxPage(metaFrame);
-		for (int pageId = 0; pageId <= maxPageId; pageId++) {
-			ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-			page.acquireReadLatch();
-			try {
-				frame.setPage(page);
-				byte level = frame.getLevel();
-				while (level >= pagesByLevel.size()) {
-					pagesByLevel.add(new IntArrayList(100, 100));
-				}
-				if (level >= 0) {
-					// System.out.println("ADDING: " + level + " " + pageId);
-					pagesByLevel.get(level).add(pageId);
-				}
-			} finally {
-				page.releaseReadLatch();
-				bufferCache.unpin(page);
-			}
-		}
+        // scan entire file to determine pages in each level
+        int maxPageId = freePageManager.getMaxPage(metaFrame);
+        for (int pageId = 0; pageId <= maxPageId; pageId++) {
+            ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+            page.acquireReadLatch();
+            try {
+                frame.setPage(page);
+                byte level = frame.getLevel();
+                while (level >= pagesByLevel.size()) {
+                    pagesByLevel.add(new IntArrayList(100, 100));
+                }
+                if (level >= 0) {
+                    // System.out.println("ADDING: " + level + " " + pageId);
+                    pagesByLevel.get(level).add(pageId);
+                }
+            } finally {
+                page.releaseReadLatch();
+                bufferCache.unpin(page);
+            }
+        }
 
-		// pin certain pages again to simulate frequent access
-		for (int i = 0; i < warmupTreeLevels.length; i++) {
-			if (warmupTreeLevels[i] < pagesByLevel.size()) {
-				int repeats = warmupRepeats[i];
-				IntArrayList pageIds = pagesByLevel.get(warmupTreeLevels[i]);
-				int[] remainingPageIds = new int[pageIds.size()];
-				for (int r = 0; r < repeats; r++) {
-					for (int j = 0; j < pageIds.size(); j++) {
-						remainingPageIds[j] = pageIds.get(j);
-					}
+        // pin certain pages again to simulate frequent access
+        for (int i = 0; i < warmupTreeLevels.length; i++) {
+            if (warmupTreeLevels[i] < pagesByLevel.size()) {
+                int repeats = warmupRepeats[i];
+                IntArrayList pageIds = pagesByLevel.get(warmupTreeLevels[i]);
+                int[] remainingPageIds = new int[pageIds.size()];
+                for (int r = 0; r < repeats; r++) {
+                    for (int j = 0; j < pageIds.size(); j++) {
+                        remainingPageIds[j] = pageIds.get(j);
+                    }
 
-					int remainingLength = pageIds.size();
-					for (int j = 0; j < pageIds.size(); j++) {
-						int index = MathUtil.stripSignBit(rnd.nextInt()) % remainingLength;
-						int pageId = remainingPageIds[index];
+                    int remainingLength = pageIds.size();
+                    for (int j = 0; j < pageIds.size(); j++) {
+                        int index = MathUtil.stripSignBit(rnd.nextInt()) % remainingLength;
+                        int pageId = remainingPageIds[index];
 
-						// pin & latch then immediately unlatch & unpin
-						ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-						page.acquireReadLatch();
-						page.releaseReadLatch();
-						bufferCache.unpin(page);
+                        // pin & latch then immediately unlatch & unpin
+                        ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+                        page.acquireReadLatch();
+                        page.releaseReadLatch();
+                        bufferCache.unpin(page);
 
-						remainingPageIds[index] = remainingPageIds[remainingLength - 1];
-						remainingLength--;
-					}
-				}
-			}
-		}
+                        remainingPageIds[index] = remainingPageIds[remainingLength - 1];
+                        remainingLength--;
+                    }
+                }
+            }
+        }
 
-		bufferCache.closeFile(fileId);
-	}
+        bufferCache.closeFile(fileId);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
index 8251c6f..8a28f41 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStats.java
@@ -26,140 +26,140 @@
 
 public class TreeIndexStats {
 
-	private TreeIndexNodeTypeStats rootStats = new TreeIndexNodeTypeStats();
-	private TreeIndexNodeTypeStats interiorStats = new TreeIndexNodeTypeStats();
-	private TreeIndexNodeTypeStats leafStats = new TreeIndexNodeTypeStats();
+    private TreeIndexNodeTypeStats rootStats = new TreeIndexNodeTypeStats();
+    private TreeIndexNodeTypeStats interiorStats = new TreeIndexNodeTypeStats();
+    private TreeIndexNodeTypeStats leafStats = new TreeIndexNodeTypeStats();
 
-	private int freePages = 0;
-	private int metaPages = 0;
-	private int treeLevels = 0;
+    private int freePages = 0;
+    private int metaPages = 0;
+    private int treeLevels = 0;
 
-	public void begin() {
-		rootStats.clear();
-		interiorStats.clear();
-		leafStats.clear();
-		freePages = 0;
-		metaPages = 0;
-		treeLevels = 0;
-	}
+    public void begin() {
+        rootStats.clear();
+        interiorStats.clear();
+        leafStats.clear();
+        freePages = 0;
+        metaPages = 0;
+        treeLevels = 0;
+    }
 
-	public void addRoot(ITreeIndexFrame frame) {
-		treeLevels = frame.getLevel() + 1;
-		rootStats.add(frame);
-	}
+    public void addRoot(ITreeIndexFrame frame) {
+        treeLevels = frame.getLevel() + 1;
+        rootStats.add(frame);
+    }
 
-	public void add(ITreeIndexFrame frame) {
-		if (frame.isLeaf()) {
-			leafStats.add(frame);
-		} else if (frame.isInterior()) {
-			interiorStats.add(frame);
-		}
-	}
+    public void add(ITreeIndexFrame frame) {
+        if (frame.isLeaf()) {
+            leafStats.add(frame);
+        } else if (frame.isInterior()) {
+            interiorStats.add(frame);
+        }
+    }
 
-	public void add(ITreeIndexMetaDataFrame metaFrame,
-			IMetaDataPageManager freePageManager) {
-		if (freePageManager.isFreePage(metaFrame)) {
-			freePages++;
-		} else if (freePageManager.isMetaPage(metaFrame)) {
-			metaPages++;
-		}
-	}
+    public void add(ITreeIndexMetaDataFrame metaFrame,
+            IMetaDataPageManager freePageManager) {
+        if (freePageManager.isFreePage(metaFrame)) {
+            freePages++;
+        } else if (freePageManager.isMetaPage(metaFrame)) {
+            metaPages++;
+        }
+    }
 
-	public void end() {
-		// nothing here currently
-	}
+    public void end() {
+        // nothing here currently
+    }
 
-	@Override
-	public String toString() {
-		StringBuilder strBuilder = new StringBuilder();
-		DecimalFormat df = new DecimalFormat("#####.##");
+    @Override
+    public String toString() {
+        StringBuilder strBuilder = new StringBuilder();
+        DecimalFormat df = new DecimalFormat("#####.##");
 
-		strBuilder.append("TREE LEVELS:  " + treeLevels + "\n");
-		strBuilder.append("FREE PAGES :  " + freePages + "\n");
-		strBuilder.append("META PAGES :  " + metaPages + "\n");
-		long totalPages = interiorStats.getNumPages() + leafStats.getNumPages()
-				+ freePages + metaPages;
-		strBuilder.append("TOTAL PAGES : " + totalPages + "\n");
+        strBuilder.append("TREE LEVELS:  " + treeLevels + "\n");
+        strBuilder.append("FREE PAGES :  " + freePages + "\n");
+        strBuilder.append("META PAGES :  " + metaPages + "\n");
+        long totalPages = interiorStats.getNumPages() + leafStats.getNumPages()
+                + freePages + metaPages;
+        strBuilder.append("TOTAL PAGES : " + totalPages + "\n");
 
-		strBuilder.append("\n");
-		strBuilder.append("ROOT STATS" + "\n");
-		strBuilder
-				.append("NUM TUPLES:      " + rootStats.getNumTuples() + "\n");
-		strBuilder.append("FILL FACTOR    : "
-				+ df.format(rootStats.getAvgFillFactor()) + "\n");
+        strBuilder.append("\n");
+        strBuilder.append("ROOT STATS" + "\n");
+        strBuilder
+                .append("NUM TUPLES:      " + rootStats.getNumTuples() + "\n");
+        strBuilder.append("FILL FACTOR    : "
+                + df.format(rootStats.getAvgFillFactor()) + "\n");
 
-		if (interiorStats.getNumPages() > 0) {
-			strBuilder.append("\n");
-			strBuilder.append("INTERIOR STATS" + "\n");
-			strBuilder.append("NUM PAGES:       " + interiorStats.getNumPages()
-					+ "\n");
-			strBuilder.append("NUM TUPLES:      "
-					+ interiorStats.getNumTuples() + "\n");
-			strBuilder.append("AVG TUPLES/PAGE: "
-					+ df.format(interiorStats.getAvgNumTuples()) + "\n");
-			strBuilder.append("AVG FILL FACTOR: "
-					+ df.format(interiorStats.getAvgFillFactor()) + "\n");
-		}
+        if (interiorStats.getNumPages() > 0) {
+            strBuilder.append("\n");
+            strBuilder.append("INTERIOR STATS" + "\n");
+            strBuilder.append("NUM PAGES:       " + interiorStats.getNumPages()
+                    + "\n");
+            strBuilder.append("NUM TUPLES:      "
+                    + interiorStats.getNumTuples() + "\n");
+            strBuilder.append("AVG TUPLES/PAGE: "
+                    + df.format(interiorStats.getAvgNumTuples()) + "\n");
+            strBuilder.append("AVG FILL FACTOR: "
+                    + df.format(interiorStats.getAvgFillFactor()) + "\n");
+        }
 
-		if (leafStats.getNumPages() > 0) {
-			strBuilder.append("\n");
-			strBuilder.append("LEAF STATS" + "\n");
-			strBuilder.append("NUM PAGES:       "
-					+ df.format(leafStats.getNumPages()) + "\n");
-			strBuilder.append("NUM TUPLES:      "
-					+ df.format(leafStats.getNumTuples()) + "\n");
-			strBuilder.append("AVG TUPLES/PAGE: "
-					+ df.format(leafStats.getAvgNumTuples()) + "\n");
-			strBuilder.append("AVG FILL FACTOR: "
-					+ df.format(leafStats.getAvgFillFactor()) + "\n");
-		}
+        if (leafStats.getNumPages() > 0) {
+            strBuilder.append("\n");
+            strBuilder.append("LEAF STATS" + "\n");
+            strBuilder.append("NUM PAGES:       "
+                    + df.format(leafStats.getNumPages()) + "\n");
+            strBuilder.append("NUM TUPLES:      "
+                    + df.format(leafStats.getNumTuples()) + "\n");
+            strBuilder.append("AVG TUPLES/PAGE: "
+                    + df.format(leafStats.getAvgNumTuples()) + "\n");
+            strBuilder.append("AVG FILL FACTOR: "
+                    + df.format(leafStats.getAvgFillFactor()) + "\n");
+        }
 
-		return strBuilder.toString();
-	}
+        return strBuilder.toString();
+    }
 
-	public class TreeIndexNodeTypeStats {
-		private long numTuples;
-		private long sumTuplesSizes;
-		private long numPages;
-		private double sumFillFactors;
+    public class TreeIndexNodeTypeStats {
+        private long numTuples;
+        private long sumTuplesSizes;
+        private long numPages;
+        private double sumFillFactors;
 
-		public void clear() {
-			numTuples = 0;
-			sumTuplesSizes = 0;
-			numPages = 0;
-		}
+        public void clear() {
+            numTuples = 0;
+            sumTuplesSizes = 0;
+            numPages = 0;
+        }
 
-		public void add(ITreeIndexFrame frame) {
-			numPages++;
-			numTuples += frame.getTupleCount();
-			sumFillFactors += (double) (frame.getBuffer().capacity() - frame
-					.getTotalFreeSpace())
-					/ (double) frame.getBuffer().capacity();
-		}
+        public void add(ITreeIndexFrame frame) {
+            numPages++;
+            numTuples += frame.getTupleCount();
+            sumFillFactors += (double) (frame.getBuffer().capacity() - frame
+                    .getTotalFreeSpace())
+                    / (double) frame.getBuffer().capacity();
+        }
 
-		public long getNumTuples() {
-			return numTuples;
-		}
+        public long getNumTuples() {
+            return numTuples;
+        }
 
-		public long getSumTupleSizes() {
-			return sumTuplesSizes;
-		}
+        public long getSumTupleSizes() {
+            return sumTuplesSizes;
+        }
 
-		public long getNumPages() {
-			return numPages;
-		}
+        public long getNumPages() {
+            return numPages;
+        }
 
-		public double getAvgNumTuples() {
-			return (double) numTuples / (double) numPages;
-		}
+        public double getAvgNumTuples() {
+            return (double) numTuples / (double) numPages;
+        }
 
-		public double getAvgTupleSize() {
-			return (double) sumTuplesSizes / (double) numTuples;
-		}
+        public double getAvgTupleSize() {
+            return (double) sumTuplesSizes / (double) numTuples;
+        }
 
-		public double getAvgFillFactor() {
-			return sumFillFactors / numPages;
-		}
-	}
+        public double getAvgFillFactor() {
+            return sumFillFactors / numPages;
+        }
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
index 712acb8..c24a90b 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexStatsGatherer.java
@@ -28,63 +28,63 @@
 
 public class TreeIndexStatsGatherer {
 
-	private final TreeIndexStats treeIndexStats = new TreeIndexStats();
-	private final IBufferCache bufferCache;
-	private final IMetaDataPageManager freePageManager;
-	private final int fileId;
-	private final int rootPage;
+    private final TreeIndexStats treeIndexStats = new TreeIndexStats();
+    private final IBufferCache bufferCache;
+    private final IMetaDataPageManager freePageManager;
+    private final int fileId;
+    private final int rootPage;
 
-	public TreeIndexStatsGatherer(IBufferCache bufferCache,
-			IMetaDataPageManager freePageManager, int fileId, int rootPage) {
-		this.bufferCache = bufferCache;
-		this.freePageManager = freePageManager;
-		this.fileId = fileId;
-		this.rootPage = rootPage;
-	}
+    public TreeIndexStatsGatherer(IBufferCache bufferCache,
+            IMetaDataPageManager freePageManager, int fileId, int rootPage) {
+        this.bufferCache = bufferCache;
+        this.freePageManager = freePageManager;
+        this.fileId = fileId;
+        this.rootPage = rootPage;
+    }
 
-	public TreeIndexStats gatherStats(ITreeIndexFrame leafFrame,
-			ITreeIndexFrame interiorFrame, ITreeIndexMetaDataFrame metaFrame)
-			throws HyracksDataException {
+    public TreeIndexStats gatherStats(ITreeIndexFrame leafFrame,
+            ITreeIndexFrame interiorFrame, ITreeIndexMetaDataFrame metaFrame)
+            throws HyracksDataException {
 
-		bufferCache.openFile(fileId);
+        bufferCache.openFile(fileId);
 
-		treeIndexStats.begin();
+        treeIndexStats.begin();
 
-		int maxPageId = freePageManager.getMaxPage(metaFrame);
-		for (int pageId = 0; pageId <= maxPageId; pageId++) {
-			ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-			page.acquireReadLatch();
-			try {
-				metaFrame.setPage(page);
-				leafFrame.setPage(page);
-				interiorFrame.setPage(page);
+        int maxPageId = freePageManager.getMaxPage(metaFrame);
+        for (int pageId = 0; pageId <= maxPageId; pageId++) {
+            ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+            page.acquireReadLatch();
+            try {
+                metaFrame.setPage(page);
+                leafFrame.setPage(page);
+                interiorFrame.setPage(page);
 
-				if (leafFrame.isLeaf()) {
-					if (pageId == rootPage) {
-						treeIndexStats.addRoot(leafFrame);
-					} else {
-						treeIndexStats.add(leafFrame);
-					}
-				} else if (interiorFrame.isInterior()) {
-					if (pageId == rootPage) {
-						treeIndexStats.addRoot(interiorFrame);
-					} else {
-						treeIndexStats.add(interiorFrame);
-					}
-				} else {
-					treeIndexStats.add(metaFrame, freePageManager);
-				}
+                if (leafFrame.isLeaf()) {
+                    if (pageId == rootPage) {
+                        treeIndexStats.addRoot(leafFrame);
+                    } else {
+                        treeIndexStats.add(leafFrame);
+                    }
+                } else if (interiorFrame.isInterior()) {
+                    if (pageId == rootPage) {
+                        treeIndexStats.addRoot(interiorFrame);
+                    } else {
+                        treeIndexStats.add(interiorFrame);
+                    }
+                } else {
+                    treeIndexStats.add(metaFrame, freePageManager);
+                }
 
-			} finally {
-				page.releaseReadLatch();
-				bufferCache.unpin(page);
-			}
-		}
+            } finally {
+                page.releaseReadLatch();
+                bufferCache.unpin(page);
+            }
+        }
 
-		treeIndexStats.end();
+        treeIndexStats.end();
 
-		bufferCache.closeFile(fileId);
+        bufferCache.closeFile(fileId);
 
-		return treeIndexStats;
-	}
+        return treeIndexStats;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
index 7784d42..a4afe80 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/util/TreeIndexUtils.java
@@ -27,17 +27,17 @@
 
 @SuppressWarnings("rawtypes")
 public class TreeIndexUtils {
-	public static String printFrameTuples(ITreeIndexFrame frame, ISerializerDeserializer[] fieldSerdes) throws HyracksDataException {
-		StringBuilder strBuilder = new StringBuilder();
-		ITreeIndexTupleReference tuple = frame.createTupleReference();
-		for (int i = 0; i < frame.getTupleCount(); i++) {
-			tuple.resetByTupleIndex(frame, i);
-			String tupleString = TupleUtils.printTuple(tuple, fieldSerdes);
-			strBuilder.append(tupleString);
-			if (i != frame.getTupleCount() - 1) {
-				strBuilder.append(" | ");
-			}
-		}
-		return strBuilder.toString();
+    public static String printFrameTuples(ITreeIndexFrame frame, ISerializerDeserializer[] fieldSerdes) throws HyracksDataException {
+        StringBuilder strBuilder = new StringBuilder();
+        ITreeIndexTupleReference tuple = frame.createTupleReference();
+        for (int i = 0; i < frame.getTupleCount(); i++) {
+            tuple.resetByTupleIndex(frame, i);
+            String tupleString = TupleUtils.printTuple(tuple, fieldSerdes);
+            strBuilder.append(tupleString);
+            if (i != frame.getTupleCount() - 1) {
+                strBuilder.append(" | ");
+            }
+        }
+        return strBuilder.toString();
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
index b82e9ec..bddea2a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponentFactory.java
@@ -29,37 +29,37 @@
 import org.apache.hyracks.storage.common.buffercache.IBufferCache;
 
 public class LSMBTreeWithBuddyDiskComponentFactory implements
-		ILSMComponentFactory {
+        ILSMComponentFactory {
 
-	private final TreeIndexFactory<BTree> btreeFactory;
-	private final TreeIndexFactory<BTree> buddyBtreeFactory;
-	private final BloomFilterFactory bloomFilterFactory;
+    private final TreeIndexFactory<BTree> btreeFactory;
+    private final TreeIndexFactory<BTree> buddyBtreeFactory;
+    private final BloomFilterFactory bloomFilterFactory;
 
-	public LSMBTreeWithBuddyDiskComponentFactory(
-			TreeIndexFactory<BTree> btreeFactory,
-			TreeIndexFactory<BTree> buddyBtreeFactory,
-			BloomFilterFactory bloomFilterFactory) {
-		this.btreeFactory = btreeFactory;
-		this.buddyBtreeFactory = buddyBtreeFactory;
-		this.bloomFilterFactory = bloomFilterFactory;
-	}
+    public LSMBTreeWithBuddyDiskComponentFactory(
+            TreeIndexFactory<BTree> btreeFactory,
+            TreeIndexFactory<BTree> buddyBtreeFactory,
+            BloomFilterFactory bloomFilterFactory) {
+        this.btreeFactory = btreeFactory;
+        this.buddyBtreeFactory = buddyBtreeFactory;
+        this.bloomFilterFactory = bloomFilterFactory;
+    }
 
-	@Override
-	public ILSMComponent createLSMComponentInstance(
-			LSMComponentFileReferences cfr) throws IndexException,
-			HyracksDataException {
-		return new LSMBTreeWithBuddyDiskComponent(
-				btreeFactory.createIndexInstance(cfr
-						.getInsertIndexFileReference()),
-				buddyBtreeFactory.createIndexInstance(cfr
-						.getDeleteIndexFileReference()),
-				bloomFilterFactory.createBloomFiltertInstance(cfr
-						.getBloomFilterFileReference()));
-	}
+    @Override
+    public ILSMComponent createLSMComponentInstance(
+            LSMComponentFileReferences cfr) throws IndexException,
+            HyracksDataException {
+        return new LSMBTreeWithBuddyDiskComponent(
+                btreeFactory.createIndexInstance(cfr
+                        .getInsertIndexFileReference()),
+                buddyBtreeFactory.createIndexInstance(cfr
+                        .getDeleteIndexFileReference()),
+                bloomFilterFactory.createBloomFiltertInstance(cfr
+                        .getBloomFilterFileReference()));
+    }
 
-	@Override
-	public IBufferCache getBufferCache() {
-		return btreeFactory.getBufferCache();
-	}
+    @Override
+    public IBufferCache getBufferCache() {
+        return btreeFactory.getBufferCache();
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
index b56aaff..a45cbf1 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMemoryComponent.java
@@ -27,37 +27,37 @@
  * This class is also not needed at the moment but is implemented anyway
  */
 public class LSMBTreeWithBuddyMemoryComponent extends
-		AbstractMemoryLSMComponent {
+        AbstractMemoryLSMComponent {
 
-	private final BTree btree;
-	private final BTree buddyBtree;
+    private final BTree btree;
+    private final BTree buddyBtree;
 
-	public LSMBTreeWithBuddyMemoryComponent(BTree btree, BTree buddyBtree,
-			IVirtualBufferCache vbc, boolean isActive) {
-		super(vbc, isActive);
-		this.btree = btree;
-		this.buddyBtree = buddyBtree;
-	}
+    public LSMBTreeWithBuddyMemoryComponent(BTree btree, BTree buddyBtree,
+            IVirtualBufferCache vbc, boolean isActive) {
+        super(vbc, isActive);
+        this.btree = btree;
+        this.buddyBtree = buddyBtree;
+    }
 
-	public BTree getBTree() {
-		return btree;
-	}
+    public BTree getBTree() {
+        return btree;
+    }
 
-	public BTree getBuddyBTree() {
-		return buddyBtree;
-	}
+    public BTree getBuddyBTree() {
+        return buddyBtree;
+    }
 
-	@Override
-	protected void reset() throws HyracksDataException {
-		super.reset();
-		btree.deactivate();
-		btree.destroy();
-		btree.create();
-		btree.activate();
-		buddyBtree.deactivate();
-		buddyBtree.destroy();
-		buddyBtree.create();
-		buddyBtree.activate();
-	}
+    @Override
+    protected void reset() throws HyracksDataException {
+        super.reset();
+        btree.deactivate();
+        btree.destroy();
+        btree.create();
+        btree.activate();
+        buddyBtree.deactivate();
+        buddyBtree.destroy();
+        buddyBtree.create();
+        buddyBtree.activate();
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
index 61f68fb..d70bdd5 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyMergeOperation.java
@@ -34,103 +34,103 @@
 
 public class LSMBTreeWithBuddyMergeOperation implements ILSMIOOperation {
 
-	private final ILSMIndexAccessorInternal accessor;
-	private final List<ILSMComponent> mergingComponents;
-	private final ITreeIndexCursor cursor;
-	private final FileReference btreeMergeTarget;
-	private final FileReference buddyBtreeMergeTarget;
-	private final FileReference bloomFilterMergeTarget;
-	private final ILSMIOOperationCallback callback;
-	private final String indexIdentifier;
-	private final boolean keepDeletedTuples;
+    private final ILSMIndexAccessorInternal accessor;
+    private final List<ILSMComponent> mergingComponents;
+    private final ITreeIndexCursor cursor;
+    private final FileReference btreeMergeTarget;
+    private final FileReference buddyBtreeMergeTarget;
+    private final FileReference bloomFilterMergeTarget;
+    private final ILSMIOOperationCallback callback;
+    private final String indexIdentifier;
+    private final boolean keepDeletedTuples;
 
-	public LSMBTreeWithBuddyMergeOperation(ILSMIndexAccessorInternal accessor,
-			List<ILSMComponent> mergingComponents, ITreeIndexCursor cursor,
-			FileReference btreeMergeTarget,
-			FileReference buddyBtreeMergeTarget,
-			FileReference bloomFilterMergeTarget,
-			ILSMIOOperationCallback callback, String indexIdentifier, boolean keepDeletedTuples) {
-		this.accessor = accessor;
-		this.mergingComponents = mergingComponents;
-		this.cursor = cursor;
-		this.btreeMergeTarget = btreeMergeTarget;
-		this.buddyBtreeMergeTarget = buddyBtreeMergeTarget;
-		this.bloomFilterMergeTarget = bloomFilterMergeTarget;
-		this.callback = callback;
-		this.indexIdentifier = indexIdentifier;
-		this.keepDeletedTuples = keepDeletedTuples;
-	}
+    public LSMBTreeWithBuddyMergeOperation(ILSMIndexAccessorInternal accessor,
+            List<ILSMComponent> mergingComponents, ITreeIndexCursor cursor,
+            FileReference btreeMergeTarget,
+            FileReference buddyBtreeMergeTarget,
+            FileReference bloomFilterMergeTarget,
+            ILSMIOOperationCallback callback, String indexIdentifier, boolean keepDeletedTuples) {
+        this.accessor = accessor;
+        this.mergingComponents = mergingComponents;
+        this.cursor = cursor;
+        this.btreeMergeTarget = btreeMergeTarget;
+        this.buddyBtreeMergeTarget = buddyBtreeMergeTarget;
+        this.bloomFilterMergeTarget = bloomFilterMergeTarget;
+        this.callback = callback;
+        this.indexIdentifier = indexIdentifier;
+        this.keepDeletedTuples = keepDeletedTuples;
+    }
 
-	@Override
-	public Set<IODeviceHandle> getReadDevices() {
-		Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
-		for (ILSMComponent o : mergingComponents) {
-			LSMBTreeWithBuddyDiskComponent component = (LSMBTreeWithBuddyDiskComponent) o;
-			devs.add(component.getBTree().getFileReference().getDeviceHandle());
+    @Override
+    public Set<IODeviceHandle> getReadDevices() {
+        Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
+        for (ILSMComponent o : mergingComponents) {
+            LSMBTreeWithBuddyDiskComponent component = (LSMBTreeWithBuddyDiskComponent) o;
+            devs.add(component.getBTree().getFileReference().getDeviceHandle());
 
-			devs.add(component.getBuddyBTree().getFileReference()
-					.getDeviceHandle());
-			devs.add(component.getBloomFilter().getFileReference()
-					.getDeviceHandle());
+            devs.add(component.getBuddyBTree().getFileReference()
+                    .getDeviceHandle());
+            devs.add(component.getBloomFilter().getFileReference()
+                    .getDeviceHandle());
 
-		}
-		return devs;
-	}
+        }
+        return devs;
+    }
 
-	@Override
-	public Set<IODeviceHandle> getWriteDevices() {
-		Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
-		devs.add(btreeMergeTarget.getDeviceHandle());
+    @Override
+    public Set<IODeviceHandle> getWriteDevices() {
+        Set<IODeviceHandle> devs = new HashSet<IODeviceHandle>();
+        devs.add(btreeMergeTarget.getDeviceHandle());
 
-		devs.add(buddyBtreeMergeTarget.getDeviceHandle());
-		devs.add(bloomFilterMergeTarget.getDeviceHandle());
+        devs.add(buddyBtreeMergeTarget.getDeviceHandle());
+        devs.add(bloomFilterMergeTarget.getDeviceHandle());
 
-		return devs;
-	}
+        return devs;
+    }
 
-	@Override
-	public Boolean call() throws HyracksDataException, IndexException {
-		accessor.merge(this);
-		return true;
-	}
+    @Override
+    public Boolean call() throws HyracksDataException, IndexException {
+        accessor.merge(this);
+        return true;
+    }
 
-	@Override
-	public ILSMIOOperationCallback getCallback() {
-		return callback;
-	}
+    @Override
+    public ILSMIOOperationCallback getCallback() {
+        return callback;
+    }
 
-	@Override
-	public String getIndexUniqueIdentifier() {
-		return indexIdentifier;
-	}
+    @Override
+    public String getIndexUniqueIdentifier() {
+        return indexIdentifier;
+    }
 
-	@Override
-	public LSMIOOpertionType getIOOpertionType() {
-		return LSMIOOpertionType.MERGE;
-	}
+    @Override
+    public LSMIOOpertionType getIOOpertionType() {
+        return LSMIOOpertionType.MERGE;
+    }
 
-	public FileReference getBTreeMergeTarget() {
-		return btreeMergeTarget;
-	}
+    public FileReference getBTreeMergeTarget() {
+        return btreeMergeTarget;
+    }
 
-	public FileReference getBuddyBTreeMergeTarget() {
-		return buddyBtreeMergeTarget;
-	}
+    public FileReference getBuddyBTreeMergeTarget() {
+        return buddyBtreeMergeTarget;
+    }
 
-	public FileReference getBloomFilterMergeTarget() {
-		return bloomFilterMergeTarget;
-	}
+    public FileReference getBloomFilterMergeTarget() {
+        return bloomFilterMergeTarget;
+    }
 
-	public ITreeIndexCursor getCursor() {
-		return cursor;
-	}
+    public ITreeIndexCursor getCursor() {
+        return cursor;
+    }
 
-	public List<ILSMComponent> getMergingComponents() {
-		return mergingComponents;
-	}
+    public List<ILSMComponent> getMergingComponents() {
+        return mergingComponents;
+    }
 
-	public boolean isKeepDeletedTuples() {
-		return keepDeletedTuples;
-	}
+    public boolean isKeepDeletedTuples() {
+        return keepDeletedTuples;
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
index 6e04dd6..a109f3f 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySearchCursor.java
@@ -27,7 +27,7 @@
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMBTreeWithBuddySearchCursor extends LSMBTreeWithBuddyAbstractCursor{
-	private int currentCursor;
+    private int currentCursor;
     private PermutingTupleReference buddyBTreeTuple;
 
     public LSMBTreeWithBuddySearchCursor(ILSMIndexOperationContext opCtx, int[] buddyBTreeFields) {
@@ -65,7 +65,7 @@
     private void searchNextCursor() throws HyracksDataException {
         if (currentCursor < numberOfTrees) {
             try {
-            	btreeCursors[currentCursor].reset();
+                btreeCursors[currentCursor].reset();
                 btreeAccessors[currentCursor].search(btreeCursors[currentCursor], btreeRangePredicate);
             } catch (IndexException e) {
                 throw new HyracksDataException(e);
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
index 11828a2..d045059 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddySortedCursor.java
@@ -26,145 +26,145 @@
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 
 public class LSMBTreeWithBuddySortedCursor extends
-		LSMBTreeWithBuddyAbstractCursor {
-	// TODO: This class can be removed and instead use a search cursor that uses
-	// a logic similar
-	// to the one in LSMRTreeWithAntiMatterTuplesSearchCursor
+        LSMBTreeWithBuddyAbstractCursor {
+    // TODO: This class can be removed and instead use a search cursor that uses
+    // a logic similar
+    // to the one in LSMRTreeWithAntiMatterTuplesSearchCursor
     // currently, this cursor is only used when doing merge operations.
-	private boolean[] depletedBtreeCursors;
-	private int foundIn = -1;
-	private PermutingTupleReference buddyBtreeTuple;
+    private boolean[] depletedBtreeCursors;
+    private int foundIn = -1;
+    private PermutingTupleReference buddyBtreeTuple;
 
-	public LSMBTreeWithBuddySortedCursor(ILSMIndexOperationContext opCtx,
-			int[] buddyBTreeFields) throws HyracksDataException {
-		super(opCtx);
-		this.buddyBtreeTuple = new PermutingTupleReference(buddyBTreeFields);
-		reset();
-	}
+    public LSMBTreeWithBuddySortedCursor(ILSMIndexOperationContext opCtx,
+            int[] buddyBTreeFields) throws HyracksDataException {
+        super(opCtx);
+        this.buddyBtreeTuple = new PermutingTupleReference(buddyBTreeFields);
+        reset();
+    }
 
-	public ILSMIndexOperationContext getOpCtx() {
-		return opCtx;
-	}
+    public ILSMIndexOperationContext getOpCtx() {
+        return opCtx;
+    }
 
-	@Override
-	public void reset() throws HyracksDataException {
-		depletedBtreeCursors = new boolean[numberOfTrees];
-		foundNext = false;
-		try {
-			for (int i = 0; i < numberOfTrees; i++) {
-				btreeCursors[i].reset();
-				try {
-					btreeAccessors[i].search(btreeCursors[i],
-							btreeRangePredicate);
-				} catch (IndexException e) {
-					throw new HyracksDataException(e);
-				}
-				if (btreeCursors[i].hasNext()) {
-					btreeCursors[i].next();
-				} else {
-					depletedBtreeCursors[i] = true;
-				}
-			}
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw new HyracksDataException(
-					"error while reseting the btrees of the lsm btree with buddy btree",
-					e);
-		} finally {
-			if (open) {
-				lsmHarness.endSearch(opCtx);
-			}
-		}
-	}
+    @Override
+    public void reset() throws HyracksDataException {
+        depletedBtreeCursors = new boolean[numberOfTrees];
+        foundNext = false;
+        try {
+            for (int i = 0; i < numberOfTrees; i++) {
+                btreeCursors[i].reset();
+                try {
+                    btreeAccessors[i].search(btreeCursors[i],
+                            btreeRangePredicate);
+                } catch (IndexException e) {
+                    throw new HyracksDataException(e);
+                }
+                if (btreeCursors[i].hasNext()) {
+                    btreeCursors[i].next();
+                } else {
+                    depletedBtreeCursors[i] = true;
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new HyracksDataException(
+                    "error while reseting the btrees of the lsm btree with buddy btree",
+                    e);
+        } finally {
+            if (open) {
+                lsmHarness.endSearch(opCtx);
+            }
+        }
+    }
 
-	@Override
-	public boolean hasNext() throws HyracksDataException, IndexException {
-		while (!foundNext) {
-			frameTuple = null;
+    @Override
+    public boolean hasNext() throws HyracksDataException, IndexException {
+        while (!foundNext) {
+            frameTuple = null;
 
-			if (foundIn != -1) {
-				if (btreeCursors[foundIn].hasNext()) {
-					btreeCursors[foundIn].next();
-				} else {
-					depletedBtreeCursors[foundIn] = true;
-				}
-			}
+            if (foundIn != -1) {
+                if (btreeCursors[foundIn].hasNext()) {
+                    btreeCursors[foundIn].next();
+                } else {
+                    depletedBtreeCursors[foundIn] = true;
+                }
+            }
 
-			foundIn = -1;
-			for (int i = 0; i < numberOfTrees; i++) {
-				if (depletedBtreeCursors[i])
-					continue;
+            foundIn = -1;
+            for (int i = 0; i < numberOfTrees; i++) {
+                if (depletedBtreeCursors[i])
+                    continue;
 
-				if (frameTuple == null) {
-					frameTuple = btreeCursors[i].getTuple();
-					foundIn = i;
-					continue;
-				}
+                if (frameTuple == null) {
+                    frameTuple = btreeCursors[i].getTuple();
+                    foundIn = i;
+                    continue;
+                }
 
-				if (btreeCmp.compare(frameTuple, btreeCursors[i].getTuple()) > 0) {
-					frameTuple = btreeCursors[i].getTuple();
-					foundIn = i;
-				}
-			}
+                if (btreeCmp.compare(frameTuple, btreeCursors[i].getTuple()) > 0) {
+                    frameTuple = btreeCursors[i].getTuple();
+                    foundIn = i;
+                }
+            }
 
-			if (foundIn == -1)
-				return false;
+            if (foundIn == -1)
+                return false;
 
-			boolean killed = false;
-			buddyBtreeTuple.reset(frameTuple);
-			for (int i = 0; i < foundIn; i++) {
-				try {
-					buddyBtreeCursors[i].reset();
-					buddyBtreeRangePredicate.setHighKey(buddyBtreeTuple, true);
-					btreeRangePredicate.setLowKey(buddyBtreeTuple, true);
-					btreeAccessors[i].search(btreeCursors[i],
-							btreeRangePredicate);
-				} catch (IndexException e) {
-					throw new HyracksDataException(e);
-				}
-				try {
-					if (btreeCursors[i].hasNext()) {
-						killed = true;
-						break;
-					}
-				} finally {
-					btreeCursors[i].close();
-				}
-			}
-			if (!killed) {
-				foundNext = true;
-			}
-		}
+            boolean killed = false;
+            buddyBtreeTuple.reset(frameTuple);
+            for (int i = 0; i < foundIn; i++) {
+                try {
+                    buddyBtreeCursors[i].reset();
+                    buddyBtreeRangePredicate.setHighKey(buddyBtreeTuple, true);
+                    btreeRangePredicate.setLowKey(buddyBtreeTuple, true);
+                    btreeAccessors[i].search(btreeCursors[i],
+                            btreeRangePredicate);
+                } catch (IndexException e) {
+                    throw new HyracksDataException(e);
+                }
+                try {
+                    if (btreeCursors[i].hasNext()) {
+                        killed = true;
+                        break;
+                    }
+                } finally {
+                    btreeCursors[i].close();
+                }
+            }
+            if (!killed) {
+                foundNext = true;
+            }
+        }
 
-		return true;
-	}
+        return true;
+    }
 
-	@Override
-	public void next() throws HyracksDataException {
-		foundNext = false;
-	}
+    @Override
+    public void next() throws HyracksDataException {
+        foundNext = false;
+    }
 
-	@Override
-	public void open(ICursorInitialState initialState,
-			ISearchPredicate searchPred) throws HyracksDataException,
-			IndexException {
-		super.open(initialState, searchPred);
+    @Override
+    public void open(ICursorInitialState initialState,
+            ISearchPredicate searchPred) throws HyracksDataException,
+            IndexException {
+        super.open(initialState, searchPred);
 
-		depletedBtreeCursors = new boolean[numberOfTrees];
-		foundNext = false;
-		for (int i = 0; i < numberOfTrees; i++) {
-			btreeCursors[i].reset();
-			try {
-				btreeAccessors[i].search(btreeCursors[i], btreeRangePredicate);
-			} catch (IndexException e) {
-				throw new HyracksDataException(e);
-			}
-			if (btreeCursors[i].hasNext()) {
-				btreeCursors[i].next();
-			} else {
-				depletedBtreeCursors[i] = true;
-			}
-		}
-	}
+        depletedBtreeCursors = new boolean[numberOfTrees];
+        foundNext = false;
+        for (int i = 0; i < numberOfTrees; i++) {
+            btreeCursors[i].reset();
+            try {
+                btreeAccessors[i].search(btreeCursors[i], btreeRangePredicate);
+            } catch (IndexException e) {
+                throw new HyracksDataException(e);
+            }
+            if (btreeCursors[i].hasNext()) {
+                btreeCursors[i].next();
+            } else {
+                depletedBtreeCursors[i] = true;
+            }
+        }
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
index 0f0edd2..0496809 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBuddyBTreeMergeCursor.java
@@ -36,46 +36,46 @@
 
 public class LSMBuddyBTreeMergeCursor extends LSMIndexSearchCursor {
 
-	public LSMBuddyBTreeMergeCursor(ILSMIndexOperationContext opCtx) {
-		super(opCtx, true);
-	}
+    public LSMBuddyBTreeMergeCursor(ILSMIndexOperationContext opCtx) {
+        super(opCtx, true);
+    }
 
-	@Override
-	protected boolean isDeleted(PriorityQueueElement checkElement)
-			throws HyracksDataException, IndexException {
-		return false;
-	}
+    @Override
+    protected boolean isDeleted(PriorityQueueElement checkElement)
+            throws HyracksDataException, IndexException {
+        return false;
+    }
 
-	@Override
-	public void open(ICursorInitialState initialState,
-			ISearchPredicate searchPred) throws IndexException,
-			HyracksDataException {
-		LSMBTreeWithBuddyCursorInitialState lsmInitialState = (LSMBTreeWithBuddyCursorInitialState) initialState;
-		cmp = lsmInitialState.getBuddyBTreeCmp();
-		operationalComponents = lsmInitialState.getOperationalComponents();
-		// We intentionally set the lsmHarness to null so that we don't call
-		// lsmHarness.endSearch() because we already do that when we merge
-		// actual index.
-		lsmHarness = null;
-		int numBTrees = operationalComponents.size();
-		rangeCursors = new IIndexCursor[numBTrees];
+    @Override
+    public void open(ICursorInitialState initialState,
+            ISearchPredicate searchPred) throws IndexException,
+            HyracksDataException {
+        LSMBTreeWithBuddyCursorInitialState lsmInitialState = (LSMBTreeWithBuddyCursorInitialState) initialState;
+        cmp = lsmInitialState.getBuddyBTreeCmp();
+        operationalComponents = lsmInitialState.getOperationalComponents();
+        // We intentionally set the lsmHarness to null so that we don't call
+        // lsmHarness.endSearch() because we already do that when we merge
+        // actual index.
+        lsmHarness = null;
+        int numBTrees = operationalComponents.size();
+        rangeCursors = new IIndexCursor[numBTrees];
 
-		RangePredicate btreePredicate = new RangePredicate(null, null, true,
-				true, cmp, cmp);
-		IIndexAccessor[] btreeAccessors = new ITreeIndexAccessor[numBTrees];
-		for (int i = 0; i < numBTrees; i++) {
-			ILSMComponent component = operationalComponents.get(i);
-			IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) lsmInitialState
-					.getBuddyBTreeLeafFrameFactory().createFrame();
-			rangeCursors[i] = new BTreeRangeSearchCursor(leafFrame, false);
-			BTree buddyBtree = (BTree) ((LSMBTreeWithBuddyDiskComponent) component)
-					.getBuddyBTree();
-			btreeAccessors[i] = buddyBtree.createAccessor(
-					NoOpOperationCallback.INSTANCE,
-					NoOpOperationCallback.INSTANCE);
-			btreeAccessors[i].search(rangeCursors[i], btreePredicate);
-		}
-		setPriorityQueueComparator();
-		initPriorityQueue();
-	}
+        RangePredicate btreePredicate = new RangePredicate(null, null, true,
+                true, cmp, cmp);
+        IIndexAccessor[] btreeAccessors = new ITreeIndexAccessor[numBTrees];
+        for (int i = 0; i < numBTrees; i++) {
+            ILSMComponent component = operationalComponents.get(i);
+            IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) lsmInitialState
+                    .getBuddyBTreeLeafFrameFactory().createFrame();
+            rangeCursors[i] = new BTreeRangeSearchCursor(leafFrame, false);
+            BTree buddyBtree = (BTree) ((LSMBTreeWithBuddyDiskComponent) component)
+                    .getBuddyBTree();
+            btreeAccessors[i] = buddyBtree.createAccessor(
+                    NoOpOperationCallback.INSTANCE,
+                    NoOpOperationCallback.INSTANCE);
+            btreeAccessors[i].search(rangeCursors[i], btreePredicate);
+        }
+        setPriorityQueueComparator();
+        initPriorityQueue();
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
index b9f281b..4e814d0 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriter.java
@@ -23,17 +23,17 @@
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 public class LSMBTreeCopyTupleWriter extends LSMBTreeTupleWriter {
-	public LSMBTreeCopyTupleWriter(ITypeTraits[] typeTraits, int numKeyFields){
-		// Third parameter is never used locally, just give false.
-	    super(typeTraits, numKeyFields, false);
-	}
+    public LSMBTreeCopyTupleWriter(ITypeTraits[] typeTraits, int numKeyFields){
+        // Third parameter is never used locally, just give false.
+        super(typeTraits, numKeyFields, false);
+    }
 
-	@Override
+    @Override
     public int writeTuple(ITupleReference tuple, byte[] targetBuf, int targetOff) {
-		int tupleSize = bytesRequired(tuple);
-		byte[] buf = tuple.getFieldData(0);
-		int tupleStartOff = ((LSMBTreeTupleReference)tuple).getTupleStart();
-		System.arraycopy(buf, tupleStartOff, targetBuf, targetOff, tupleSize);
+        int tupleSize = bytesRequired(tuple);
+        byte[] buf = tuple.getFieldData(0);
+        int tupleStartOff = ((LSMBTreeTupleReference)tuple).getTupleStart();
+        System.arraycopy(buf, tupleStartOff, targetBuf, targetOff, tupleSize);
         return tupleSize;
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
index eb03e7a..928b3fa 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeCopyTupleWriterFactory.java
@@ -24,18 +24,18 @@
 import org.apache.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
 
 public class LSMBTreeCopyTupleWriterFactory extends TypeAwareTupleWriterFactory {
-	private static final long serialVersionUID = 1L;
-	private final ITypeTraits[] typeTraits;
-	private final int numKeyFields;
+    private static final long serialVersionUID = 1L;
+    private final ITypeTraits[] typeTraits;
+    private final int numKeyFields;
 
-	public LSMBTreeCopyTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields) {
-		super(typeTraits);
-		this.typeTraits = typeTraits;
-		this.numKeyFields = numKeyFields;
-	}
+    public LSMBTreeCopyTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields) {
+        super(typeTraits);
+        this.typeTraits = typeTraits;
+        this.numKeyFields = numKeyFields;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		return new LSMBTreeCopyTupleWriter(typeTraits, numKeyFields);
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        return new LSMBTreeCopyTupleWriter(typeTraits, numKeyFields);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
index fd7892d..24ae68c 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeRefrencingTupleWriterFactory.java
@@ -30,40 +30,40 @@
  *
  */
 public class LSMBTreeRefrencingTupleWriterFactory extends TypeAwareTupleWriterFactory{
-	private static final long serialVersionUID = 1L;
-	private final ITypeTraits[] typeTraits;
-	private final int numKeyFields;
-	private boolean isDelete;
-	private LSMBTreeTupleWriter createdTupleWriter;
+    private static final long serialVersionUID = 1L;
+    private final ITypeTraits[] typeTraits;
+    private final int numKeyFields;
+    private boolean isDelete;
+    private LSMBTreeTupleWriter createdTupleWriter;
 
-	public LSMBTreeRefrencingTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
-		super(typeTraits);
-		this.typeTraits = typeTraits;
-		this.numKeyFields = numKeyFields;
-		this.isDelete = isDelete;
-	}
+    public LSMBTreeRefrencingTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
+        super(typeTraits);
+        this.typeTraits = typeTraits;
+        this.numKeyFields = numKeyFields;
+        this.isDelete = isDelete;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		createdTupleWriter = new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
-		return createdTupleWriter;
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        createdTupleWriter = new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
+        return createdTupleWriter;
+    }
 
-	public void setMode(IndexOperation op){
-		if(op == IndexOperation.INSERT){
-			this.isDelete = false;
-			if(createdTupleWriter != null){
-				this.createdTupleWriter.setAntimatter(false);
-			}
-		} else if(op == IndexOperation.DELETE){
-			this.isDelete = true;
-			if(createdTupleWriter != null){
-				this.createdTupleWriter.setAntimatter(true);
-			}
-		}
-	}
+    public void setMode(IndexOperation op){
+        if(op == IndexOperation.INSERT){
+            this.isDelete = false;
+            if(createdTupleWriter != null){
+                this.createdTupleWriter.setAntimatter(false);
+            }
+        } else if(op == IndexOperation.DELETE){
+            this.isDelete = true;
+            if(createdTupleWriter != null){
+                this.createdTupleWriter.setAntimatter(true);
+            }
+        }
+    }
 
-	public LSMBTreeTupleWriter getCreatedTupleWriter() {
-		return createdTupleWriter;
-	}
+    public LSMBTreeTupleWriter getCreatedTupleWriter() {
+        return createdTupleWriter;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
index 6eb104b..4d6fa61 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleReference.java
@@ -35,9 +35,9 @@
     private final int numKeyFields;
 
     public LSMBTreeTupleReference(ITypeTraits[] typeTraits, int numKeyFields) {
-		super(typeTraits);
-		this.numKeyFields = numKeyFields;
-	}
+        super(typeTraits);
+        this.numKeyFields = numKeyFields;
+    }
 
     public void setFieldCount(int fieldCount) {
         super.setFieldCount(fieldCount);
@@ -75,23 +75,23 @@
         resetByTupleOffset(frame.getBuffer(), frame.getTupleOffset(tupleIndex));
     }
 
-	@Override
-	protected int getNullFlagsBytes() {
-		// +1.0 is for matter/antimatter bit.
-		return (int) Math.ceil((fieldCount + 1.0) / 8.0);
+    @Override
+    protected int getNullFlagsBytes() {
+        // +1.0 is for matter/antimatter bit.
+        return (int) Math.ceil((fieldCount + 1.0) / 8.0);
     }
 
-	@Override
-	public boolean isAntimatter() {
-	      // Check if the leftmost bit is 0 or 1.
-		final byte mask = (byte) (1 << 7);
-		if ((buf.array()[tupleStartOff] & mask) != 0) {
-		    return true;
-		}
-		return false;
-	}
+    @Override
+    public boolean isAntimatter() {
+          // Check if the leftmost bit is 0 or 1.
+        final byte mask = (byte) (1 << 7);
+        if ((buf.array()[tupleStartOff] & mask) != 0) {
+            return true;
+        }
+        return false;
+    }
 
     public int getTupleStart() {
-    	return tupleStartOff;
+        return tupleStartOff;
     }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
index f3b372f..5ee2b81 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/tuples/LSMBTreeTupleWriterFactory.java
@@ -25,18 +25,18 @@
 
 public class LSMBTreeTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
-	private static final long serialVersionUID = 1L;
-	private final int numKeyFields;
-	private final boolean isDelete;
+    private static final long serialVersionUID = 1L;
+    private final int numKeyFields;
+    private final boolean isDelete;
 
-	public LSMBTreeTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
-		super(typeTraits);
-		this.numKeyFields = numKeyFields;
-		this.isDelete = isDelete;
-	}
+    public LSMBTreeTupleWriterFactory(ITypeTraits[] typeTraits, int numKeyFields, boolean isDelete) {
+        super(typeTraits);
+        this.numKeyFields = numKeyFields;
+        this.isDelete = isDelete;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-		return new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        return new LSMBTreeTupleWriter(typeTraits, numKeyFields, isDelete);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
index 59fee05..56fa101 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/AbstractUTF8TokenFactory.java
@@ -20,17 +20,17 @@
 package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public abstract class AbstractUTF8TokenFactory implements ITokenFactory {
-	private static final long serialVersionUID = 1L;
-	protected final byte tokenTypeTag;
-	protected final byte countTypeTag;
+    private static final long serialVersionUID = 1L;
+    protected final byte tokenTypeTag;
+    protected final byte countTypeTag;
 
-	public AbstractUTF8TokenFactory() {
-		tokenTypeTag = -1;
-		countTypeTag = -1;
-	}
+    public AbstractUTF8TokenFactory() {
+        tokenTypeTag = -1;
+        countTypeTag = -1;
+    }
 
-	public AbstractUTF8TokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		this.tokenTypeTag = tokenTypeTag;
-		this.countTypeTag = countTypeTag;
-	}
+    public AbstractUTF8TokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        this.tokenTypeTag = tokenTypeTag;
+        this.countTypeTag = countTypeTag;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
index 4dfdc88..81254fc 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/DelimitedUTF8StringBinaryTokenizerFactory.java
@@ -20,23 +20,23 @@
 package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public class DelimitedUTF8StringBinaryTokenizerFactory implements
-		IBinaryTokenizerFactory {
+        IBinaryTokenizerFactory {
 
-	private static final long serialVersionUID = 1L;
-	private final boolean ignoreTokenCount;
-	private final boolean sourceHasTypeTag;
-	private final ITokenFactory tokenFactory;
+    private static final long serialVersionUID = 1L;
+    private final boolean ignoreTokenCount;
+    private final boolean sourceHasTypeTag;
+    private final ITokenFactory tokenFactory;
 
-	public DelimitedUTF8StringBinaryTokenizerFactory(boolean ignoreTokenCount,
-			boolean sourceHasTypeTag, ITokenFactory tokenFactory) {
-		this.ignoreTokenCount = ignoreTokenCount;
-		this.sourceHasTypeTag = sourceHasTypeTag;
-		this.tokenFactory = tokenFactory;
-	}
+    public DelimitedUTF8StringBinaryTokenizerFactory(boolean ignoreTokenCount,
+            boolean sourceHasTypeTag, ITokenFactory tokenFactory) {
+        this.ignoreTokenCount = ignoreTokenCount;
+        this.sourceHasTypeTag = sourceHasTypeTag;
+        this.tokenFactory = tokenFactory;
+    }
 
-	@Override
-	public IBinaryTokenizer createTokenizer() {
-		return new DelimitedUTF8StringBinaryTokenizer(ignoreTokenCount,
-				sourceHasTypeTag, tokenFactory);
-	}
+    @Override
+    public IBinaryTokenizer createTokenizer() {
+        return new DelimitedUTF8StringBinaryTokenizer(ignoreTokenCount,
+                sourceHasTypeTag, tokenFactory);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
index b593d3b..0bc01b6 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8NGramTokenFactory.java
@@ -21,18 +21,18 @@
 
 public class HashedUTF8NGramTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public HashedUTF8NGramTokenFactory() {
-		super();
-	}
+    public HashedUTF8NGramTokenFactory() {
+        super();
+    }
 
-	public HashedUTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public HashedUTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new HashedUTF8NGramToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new HashedUTF8NGramToken(tokenTypeTag, countTypeTag);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
index d560aeb..7819e16 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/HashedUTF8WordTokenFactory.java
@@ -21,18 +21,18 @@
 
 public class HashedUTF8WordTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public HashedUTF8WordTokenFactory() {
-		super();
-	}
+    public HashedUTF8WordTokenFactory() {
+        super();
+    }
 
-	public HashedUTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public HashedUTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new HashedUTF8WordToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new HashedUTF8WordToken(tokenTypeTag, countTypeTag);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
index 5edb05d..01e83a3 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/IBinaryTokenizerFactory.java
@@ -22,5 +22,5 @@
 import java.io.Serializable;
 
 public interface IBinaryTokenizerFactory extends Serializable {
-	public IBinaryTokenizer createTokenizer();
+    public IBinaryTokenizer createTokenizer();
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
index 6671f72..3dc4f87 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/INGramToken.java
@@ -20,9 +20,9 @@
 package org.apache.hyracks.storage.am.lsm.invertedindex.tokenizers;
 
 public interface INGramToken {
-	public int getNumPostChars();
+    public int getNumPostChars();
 
-	public int getNumPreChars();
+    public int getNumPreChars();
 
-	public void setNumPrePostChars(int numPreChars, int numPostChars);
+    public void setNumPrePostChars(int numPreChars, int numPostChars);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
index f8d241c..64f1e99 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8NGramTokenFactory.java
@@ -21,19 +21,19 @@
 
 public class UTF8NGramTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public UTF8NGramTokenFactory() {
-		super();
-	}
+    public UTF8NGramTokenFactory() {
+        super();
+    }
 
-	public UTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public UTF8NGramTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new UTF8NGramToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new UTF8NGramToken(tokenTypeTag, countTypeTag);
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
index 5274fa3..3a8a048 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/tokenizers/UTF8WordTokenFactory.java
@@ -21,19 +21,19 @@
 
 public class UTF8WordTokenFactory extends AbstractUTF8TokenFactory {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	public UTF8WordTokenFactory() {
-		super();
-	}
+    public UTF8WordTokenFactory() {
+        super();
+    }
 
-	public UTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
-		super(tokenTypeTag, countTypeTag);
-	}
+    public UTF8WordTokenFactory(byte tokenTypeTag, byte countTypeTag) {
+        super(tokenTypeTag, countTypeTag);
+    }
 
-	@Override
-	public IToken createToken() {
-		return new UTF8WordToken(tokenTypeTag, countTypeTag);
-	}
+    @Override
+    public IToken createToken() {
+        return new UTF8WordToken(tokenTypeTag, countTypeTag);
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
index bdc6708..ac4f3c8 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/tuples/LSMTypeAwareTupleWriterFactory.java
@@ -26,23 +26,23 @@
 
 public class LSMTypeAwareTupleWriterFactory extends TypeAwareTupleWriterFactory {
 
-	private static final long serialVersionUID = 1L;
-	private ITypeTraits[] typeTraits;
-	private final boolean isDelete;
+    private static final long serialVersionUID = 1L;
+    private ITypeTraits[] typeTraits;
+    private final boolean isDelete;
 
-	public LSMTypeAwareTupleWriterFactory(ITypeTraits[] typeTraits, boolean isDelete) {
-		super(typeTraits);
-		this.typeTraits = typeTraits;
-		this.isDelete = isDelete;
-	}
+    public LSMTypeAwareTupleWriterFactory(ITypeTraits[] typeTraits, boolean isDelete) {
+        super(typeTraits);
+        this.typeTraits = typeTraits;
+        this.isDelete = isDelete;
+    }
 
-	@Override
-	public ITreeIndexTupleWriter createTupleWriter() {
-	    if (isDelete) {
-	        return new TypeAwareTupleWriter(typeTraits);
-	    } else {
-	        return new RTreeTypeAwareTupleWriter(typeTraits);
-	    }
-	}
+    @Override
+    public ITreeIndexTupleWriter createTupleWriter() {
+        if (isDelete) {
+            return new TypeAwareTupleWriter(typeTraits);
+        } else {
+            return new RTreeTypeAwareTupleWriter(typeTraits);
+        }
+    }
 
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
index 18f20ae..1825003 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/api/IGenericPrimitiveSerializerDeserializer.java
@@ -22,6 +22,6 @@
 import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 
 public interface IGenericPrimitiveSerializerDeserializer<T> extends
-		ISerializerDeserializer<T> {
-	public double getValue(byte[] bytes, int offset);
+        ISerializerDeserializer<T> {
+    public double getValue(byte[] bytes, int offset);
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
index 04111f9..d6d69bb 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/EntriesOrder.java
@@ -20,5 +20,5 @@
 package org.apache.hyracks.storage.am.rtree.impls;
 
 public enum EntriesOrder {
-	ASCENDING, DESCENDING
+    ASCENDING, DESCENDING
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
index ec731c3..d89c12b 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSplitKey.java
@@ -25,134 +25,134 @@
 import org.apache.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
 public class RTreeSplitKey implements ISplitKey {
-	public byte[] leftPageData = null;
-	public ByteBuffer leftPageBuf = null;
-	public ITreeIndexTupleReference leftTuple;
+    public byte[] leftPageData = null;
+    public ByteBuffer leftPageBuf = null;
+    public ITreeIndexTupleReference leftTuple;
 
-	public byte[] rightPageData = null;
-	public ByteBuffer rightPageBuf = null;
-	public ITreeIndexTupleReference rightTuple;
+    public byte[] rightPageData = null;
+    public ByteBuffer rightPageBuf = null;
+    public ITreeIndexTupleReference rightTuple;
 
-	public int keySize = 0;
+    public int keySize = 0;
 
-	public RTreeSplitKey(ITreeIndexTupleReference leftTuple,
-			ITreeIndexTupleReference rightTuple) {
-		this.leftTuple = leftTuple;
-		this.rightTuple = rightTuple;
-	}
+    public RTreeSplitKey(ITreeIndexTupleReference leftTuple,
+            ITreeIndexTupleReference rightTuple) {
+        this.leftTuple = leftTuple;
+        this.rightTuple = rightTuple;
+    }
 
-	public void initData(int keySize) {
-		// try to reuse existing memory from a lower-level split if possible
-		this.keySize = keySize;
-		if (leftPageData != null) {
-			if (leftPageData.length < keySize + 4) {
-				leftPageData = new byte[keySize + 4]; // add 4 for the page
-				leftPageBuf = ByteBuffer.wrap(leftPageData);
-			}
-		} else {
-			leftPageData = new byte[keySize + 4]; // add 4 for the page
-			leftPageBuf = ByteBuffer.wrap(leftPageData);
-		}
-		if (rightPageData != null) {
-			if (rightPageData.length < keySize + 4) {
-				rightPageData = new byte[keySize + 4]; // add 4 for the page
-				rightPageBuf = ByteBuffer.wrap(rightPageData);
-			}
-		} else {
-			rightPageData = new byte[keySize + 4]; // add 4 for the page
-			rightPageBuf = ByteBuffer.wrap(rightPageData);
-		}
+    public void initData(int keySize) {
+        // try to reuse existing memory from a lower-level split if possible
+        this.keySize = keySize;
+        if (leftPageData != null) {
+            if (leftPageData.length < keySize + 4) {
+                leftPageData = new byte[keySize + 4]; // add 4 for the page
+                leftPageBuf = ByteBuffer.wrap(leftPageData);
+            }
+        } else {
+            leftPageData = new byte[keySize + 4]; // add 4 for the page
+            leftPageBuf = ByteBuffer.wrap(leftPageData);
+        }
+        if (rightPageData != null) {
+            if (rightPageData.length < keySize + 4) {
+                rightPageData = new byte[keySize + 4]; // add 4 for the page
+                rightPageBuf = ByteBuffer.wrap(rightPageData);
+            }
+        } else {
+            rightPageData = new byte[keySize + 4]; // add 4 for the page
+            rightPageBuf = ByteBuffer.wrap(rightPageData);
+        }
 
-		leftTuple.resetByTupleOffset(leftPageBuf, 0);
-		rightTuple.resetByTupleOffset(rightPageBuf, 0);
-	}
+        leftTuple.resetByTupleOffset(leftPageBuf, 0);
+        rightTuple.resetByTupleOffset(rightPageBuf, 0);
+    }
 
-	public void resetLeftPage() {
-		leftPageData = null;
-		leftPageBuf = null;
-	}
+    public void resetLeftPage() {
+        leftPageData = null;
+        leftPageBuf = null;
+    }
 
-	public void resetRightPage() {
-		rightPageData = null;
-		rightPageBuf = null;
-	}
+    public void resetRightPage() {
+        rightPageData = null;
+        rightPageBuf = null;
+    }
 
-	public ByteBuffer getLeftPageBuffer() {
-		return leftPageBuf;
-	}
+    public ByteBuffer getLeftPageBuffer() {
+        return leftPageBuf;
+    }
 
-	public ByteBuffer getRightPageBuffer() {
-		return rightPageBuf;
-	}
+    public ByteBuffer getRightPageBuffer() {
+        return rightPageBuf;
+    }
 
-	public ITreeIndexTupleReference getLeftTuple() {
-		return leftTuple;
-	}
+    public ITreeIndexTupleReference getLeftTuple() {
+        return leftTuple;
+    }
 
-	public ITreeIndexTupleReference getRightTuple() {
-		return rightTuple;
-	}
+    public ITreeIndexTupleReference getRightTuple() {
+        return rightTuple;
+    }
 
-	public int getLeftPage() {
-		return leftPageBuf.getInt(keySize);
-	}
+    public int getLeftPage() {
+        return leftPageBuf.getInt(keySize);
+    }
 
-	public int getRightPage() {
-		return rightPageBuf.getInt(keySize);
-	}
+    public int getRightPage() {
+        return rightPageBuf.getInt(keySize);
+    }
 
-	public void setLeftPage(int page) {
-		leftPageBuf.putInt(keySize, page);
-	}
+    public void setLeftPage(int page) {
+        leftPageBuf.putInt(keySize, page);
+    }
 
-	public void setRightPage(int page) {
-		rightPageBuf.putInt(keySize, page);
-	}
+    public void setRightPage(int page) {
+        rightPageBuf.putInt(keySize, page);
+    }
 
-	public ISplitKey duplicate(ITreeIndexTupleReference copyLeftTuple,
-			ITreeIndexTupleReference copyRightTuple) {
-		RTreeSplitKey copy = new RTreeSplitKey(copyLeftTuple, copyRightTuple);
-		copy.leftPageData = leftPageData.clone();
-		copy.leftPageBuf = ByteBuffer.wrap(copy.leftPageData);
-		copy.leftTuple.setFieldCount(leftTuple.getFieldCount());
-		copy.leftTuple.resetByTupleOffset(copy.leftPageBuf, 0);
+    public ISplitKey duplicate(ITreeIndexTupleReference copyLeftTuple,
+            ITreeIndexTupleReference copyRightTuple) {
+        RTreeSplitKey copy = new RTreeSplitKey(copyLeftTuple, copyRightTuple);
+        copy.leftPageData = leftPageData.clone();
+        copy.leftPageBuf = ByteBuffer.wrap(copy.leftPageData);
+        copy.leftTuple.setFieldCount(leftTuple.getFieldCount());
+        copy.leftTuple.resetByTupleOffset(copy.leftPageBuf, 0);
 
-		copy.rightPageData = rightPageData.clone();
-		copy.rightPageBuf = ByteBuffer.wrap(copy.rightPageData);
-		copy.rightTuple.setFieldCount(rightTuple.getFieldCount());
-		copy.rightTuple.resetByTupleOffset(copy.rightPageBuf, 0);
-		return copy;
-	}
+        copy.rightPageData = rightPageData.clone();
+        copy.rightPageBuf = ByteBuffer.wrap(copy.rightPageData);
+        copy.rightTuple.setFieldCount(rightTuple.getFieldCount());
+        copy.rightTuple.resetByTupleOffset(copy.rightPageBuf, 0);
+        return copy;
+    }
 
-	@Override
-	public void reset() {
-		leftPageData = null;
-		leftPageBuf = null;
-		rightPageData = null;
-		rightPageBuf = null;
-	}
+    @Override
+    public void reset() {
+        leftPageData = null;
+        leftPageBuf = null;
+        rightPageData = null;
+        rightPageBuf = null;
+    }
 
-	@Override
-	public ByteBuffer getBuffer() {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public ByteBuffer getBuffer() {
+        // TODO Auto-generated method stub
+        return null;
+    }
 
-	@Override
-	public ITreeIndexTupleReference getTuple() {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public ITreeIndexTupleReference getTuple() {
+        // TODO Auto-generated method stub
+        return null;
+    }
 
-	@Override
-	public void setPages(int leftPage, int rightPage) {
-		leftPageBuf.putInt(keySize, leftPage);
-		rightPageBuf.putInt(keySize, rightPage);
-	}
+    @Override
+    public void setPages(int leftPage, int rightPage) {
+        leftPageBuf.putInt(keySize, leftPage);
+        rightPageBuf.putInt(keySize, rightPage);
+    }
 
-	@Override
-	public ISplitKey duplicate(ITreeIndexTupleReference copyTuple) {
-		// TODO Auto-generated method stub
-		return null;
-	}
+    @Override
+    public ISplitKey duplicate(ITreeIndexTupleReference copyTuple) {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
index a9176c9..21beb9c 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntry.java
@@ -22,35 +22,35 @@
 import org.apache.hyracks.storage.am.rtree.frames.RTreeNSMFrame;
 
 public class TupleEntry implements Comparable<TupleEntry> {
-	private int tupleIndex;
-	private double value;
+    private int tupleIndex;
+    private double value;
 
-	public TupleEntry() {
-	}
+    public TupleEntry() {
+    }
 
-	public int getTupleIndex() {
-		return tupleIndex;
-	}
+    public int getTupleIndex() {
+        return tupleIndex;
+    }
 
-	public void setTupleIndex(int tupleIndex) {
-		this.tupleIndex = tupleIndex;
-	}
+    public void setTupleIndex(int tupleIndex) {
+        this.tupleIndex = tupleIndex;
+    }
 
-	public double getValue() {
-		return value;
-	}
+    public double getValue() {
+        return value;
+    }
 
-	public void setValue(double value) {
-		this.value = value;
-	}
+    public void setValue(double value) {
+        this.value = value;
+    }
 
-	public int compareTo(TupleEntry tupleEntry) {
-		double cmp = this.getValue() - tupleEntry.getValue();
-		if (cmp > RTreeNSMFrame.doubleEpsilon())
-			return 1;
-		cmp = tupleEntry.getValue() - this.getValue();
-		if (cmp > RTreeNSMFrame.doubleEpsilon())
-			return -1;
-		return 0;
-	}
+    public int compareTo(TupleEntry tupleEntry) {
+        double cmp = this.getValue() - tupleEntry.getValue();
+        if (cmp > RTreeNSMFrame.doubleEpsilon())
+            return 1;
+        cmp = tupleEntry.getValue() - this.getValue();
+        if (cmp > RTreeNSMFrame.doubleEpsilon())
+            return -1;
+        return 0;
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
index e8dce65..59cfb59 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/TupleEntryArrayList.java
@@ -23,61 +23,61 @@
 import java.util.Collections;
 
 public class TupleEntryArrayList {
-	private TupleEntry[] data;
-	private int size;
-	private final int growth;
+    private TupleEntry[] data;
+    private int size;
+    private final int growth;
 
-	public TupleEntryArrayList(int initialCapacity, int growth) {
-		data = new TupleEntry[initialCapacity];
-		size = 0;
-		this.growth = growth;
-	}
+    public TupleEntryArrayList(int initialCapacity, int growth) {
+        data = new TupleEntry[initialCapacity];
+        size = 0;
+        this.growth = growth;
+    }
 
-	public int size() {
-		return size;
-	}
+    public int size() {
+        return size;
+    }
 
-	public void add(int tupleIndex, double value) {
-		if (size == data.length) {
-			TupleEntry[] newData = new TupleEntry[data.length + growth];
-			System.arraycopy(data, 0, newData, 0, data.length);
-			data = newData;
-		}
-		if (data[size] == null) {
-			data[size] = new TupleEntry();
-		}
-		data[size].setTupleIndex(tupleIndex);
-		data[size].setValue(value);
-		size++;
-	}
+    public void add(int tupleIndex, double value) {
+        if (size == data.length) {
+            TupleEntry[] newData = new TupleEntry[data.length + growth];
+            System.arraycopy(data, 0, newData, 0, data.length);
+            data = newData;
+        }
+        if (data[size] == null) {
+            data[size] = new TupleEntry();
+        }
+        data[size].setTupleIndex(tupleIndex);
+        data[size].setValue(value);
+        size++;
+    }
 
-	public void removeLast() {
-		if (size > 0)
-			size--;
-	}
+    public void removeLast() {
+        if (size > 0)
+            size--;
+    }
 
-	// WARNING: caller is responsible for checking size > 0
-	public TupleEntry getLast() {
-		return data[size - 1];
-	}
+    // WARNING: caller is responsible for checking size > 0
+    public TupleEntry getLast() {
+        return data[size - 1];
+    }
 
-	public TupleEntry get(int i) {
-		return data[i];
-	}
+    public TupleEntry get(int i) {
+        return data[i];
+    }
 
-	public void clear() {
-		size = 0;
-	}
+    public void clear() {
+        size = 0;
+    }
 
-	public boolean isEmpty() {
-		return size == 0;
-	}
+    public boolean isEmpty() {
+        return size == 0;
+    }
 
-	public void sort(EntriesOrder order, int tupleCount) {
-		if (order == EntriesOrder.ASCENDING) {
-			Arrays.sort(data, 0, tupleCount);
-		} else {
-			Arrays.sort(data, 0, tupleCount, Collections.reverseOrder());
-		}
-	}
+    public void sort(EntriesOrder order, int tupleCount) {
+        if (order == EntriesOrder.ASCENDING) {
+            Arrays.sort(data, 0, tupleCount);
+        } else {
+            Arrays.sort(data, 0, tupleCount, Collections.reverseOrder());
+        }
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
index 8c73e12..4a1637a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/HilbertDoubleComparatorFactory.java
@@ -31,7 +31,7 @@
     }
 
     public HilbertDoubleComparatorFactory(int dim) {
-    	this.dim = dim;
+        this.dim = dim;
     }
 
     @Override
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
index a2650d3..f5c6046 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveDoubleComparatorFactory.java
@@ -31,7 +31,7 @@
     }
 
     public ZCurveDoubleComparatorFactory(int dim) {
-    	this.dim = dim;
+        this.dim = dim;
     }
 
     @Override
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
index 4827a74..6a25995 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/linearize/ZCurveIntComparatorFactory.java
@@ -31,7 +31,7 @@
     }
 
     public ZCurveIntComparatorFactory(int dim) {
-    	this.dim = dim;
+        this.dim = dim;
     }
 
     @Override
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
index ffdae7d..8a6996b 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/CheckTuple.java
@@ -37,52 +37,52 @@
         fields[pos++] = e;
     }
 
-	@Override
-	public int compareTo(T o) {
-		CheckTuple<T> other = (CheckTuple<T>) o;
-		int cmpFieldCount = Math.min(other.getNumKeys(), numKeys);
-		for (int i = 0; i < cmpFieldCount; i++) {
-			int cmp = fields[i].compareTo(other.getField(i));
-			if (cmp != 0) {
-				return cmp;
-			}
-		}
-		if (other.getNumKeys() == numKeys) {
-		    return 0;
-		}
-		if (other.getNumKeys() < numKeys) {
-		    return (other.isHighKey) ? -1 : 1;
-		}
-		if (other.getNumKeys() > numKeys) {
+    @Override
+    public int compareTo(T o) {
+        CheckTuple<T> other = (CheckTuple<T>) o;
+        int cmpFieldCount = Math.min(other.getNumKeys(), numKeys);
+        for (int i = 0; i < cmpFieldCount; i++) {
+            int cmp = fields[i].compareTo(other.getField(i));
+            if (cmp != 0) {
+                return cmp;
+            }
+        }
+        if (other.getNumKeys() == numKeys) {
+            return 0;
+        }
+        if (other.getNumKeys() < numKeys) {
+            return (other.isHighKey) ? -1 : 1;
+        }
+        if (other.getNumKeys() > numKeys) {
             return (isHighKey) ? 1 : -1;
         }
-		return 0;
-	}
+        return 0;
+    }
 
-	@Override
-	public boolean equals(Object o) {
-		if (!(o instanceof Comparable<?>)) {
-			return false;
-		}
-		return compareTo((T) o) == 0;
-	}
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof Comparable<?>)) {
+            return false;
+        }
+        return compareTo((T) o) == 0;
+    }
 
-	@Override
-	public int hashCode() {
-		int hash = 0;
-		for (int i = 0; i < numKeys; i++) {
-			hash = 37 * hash + fields[i].hashCode();
-		}
-		return hash;
-	}
+    @Override
+    public int hashCode() {
+        int hash = 0;
+        for (int i = 0; i < numKeys; i++) {
+            hash = 37 * hash + fields[i].hashCode();
+        }
+        return hash;
+    }
 
-	public void setIsHighKey(boolean isHighKey) {
-	    this.isHighKey = isHighKey;
-	}
+    public void setIsHighKey(boolean isHighKey) {
+        this.isHighKey = isHighKey;
+    }
 
-	public T getField(int idx) {
-		return (T) fields[idx];
-	}
+    public T getField(int idx) {
+        return (T) fields[idx];
+    }
 
     public void setField(int idx, T e) {
         fields[idx] = e;
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
index 314cae9..32dd15d 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/IndexMultiThreadTestDriver.java
@@ -51,11 +51,11 @@
 
     public long[] run(int numThreads, int numRepeats, int numOps, int batchSize) throws InterruptedException,
             TreeIndexException, HyracksDataException {
-    	int numBatches = (batchSize < 1 ? numOps : numOps / batchSize);
-    	if (numBatches < numThreads) {
-    		numThreads = numBatches;
-    	}
-    	int threadNumBatches = numBatches / numThreads;
+        int numBatches = (batchSize < 1 ? numOps : numOps / batchSize);
+        if (numBatches < numThreads) {
+            numThreads = numBatches;
+        }
+        int threadNumBatches = numBatches / numThreads;
         long[] times = new long[numRepeats];
         for (int i = 0; i < numRepeats; i++) {
             DataGenThread dataGen = createDatagenThread(numThreads, numBatches, batchSize);
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
index 44a102d..b53f0dc 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeDeleteTest.java
@@ -36,7 +36,7 @@
     private static final int numDeleteRounds = AccessMethodTestsConfig.RTREE_NUM_DELETE_ROUNDS;
 
     public AbstractRTreeDeleteTest(boolean testRstarPolicy) {
-    	super(testRstarPolicy);
+        super(testRstarPolicy);
         this.rTreeTestUtils = new RTreeTestUtils();
     }
 
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
index 5ad6f3b..c45b0bd 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeInsertTest.java
@@ -39,7 +39,7 @@
     private final RTreeTestUtils rTreeTestUtils;
 
     public AbstractRTreeInsertTest(boolean testRstarPolicy) {
-    	super(testRstarPolicy);
+        super(testRstarPolicy);
         this.rTreeTestUtils = new RTreeTestUtils();
     }
 
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
index e4f77fd..885ff9b 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
@@ -19,7 +19,6 @@
 package org.apache.hyracks.test.support;
 
 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;
@@ -44,8 +43,8 @@
         return TestStorageManagerComponentHolder.getLocalResourceRepository(ctx);
     }
 
-	@Override
-	public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
-		return TestStorageManagerComponentHolder.getResourceIdFactory(ctx);
-	}
+    @Override
+    public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
+        return TestStorageManagerComponentHolder.getResourceIdFactory(ctx);
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
index 2541bd8..7f782aa 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeDeleteTest.java
@@ -35,11 +35,11 @@
 @SuppressWarnings("rawtypes")
 public class RTreeDeleteTest extends AbstractRTreeDeleteTest {
 
-	private final RTreeTestHarness harness = new RTreeTestHarness();
+    private final RTreeTestHarness harness = new RTreeTestHarness();
 
-	public RTreeDeleteTest() {
-		super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
-	}
+    public RTreeDeleteTest() {
+        super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
+    }
 
     @Before
     public void setUp() throws HyracksDataException {
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
index 621055b..7bd22fc 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/src/test/java/org/apache/hyracks/storage/am/rtree/RTreeInsertTest.java
@@ -35,11 +35,11 @@
 @SuppressWarnings("rawtypes")
 public class RTreeInsertTest extends AbstractRTreeInsertTest {
 
-	private final RTreeTestHarness harness = new RTreeTestHarness();
+    private final RTreeTestHarness harness = new RTreeTestHarness();
 
-	public RTreeInsertTest() {
-		super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
-	}
+    public RTreeInsertTest() {
+        super(AccessMethodTestsConfig.RTREE_TEST_RSTAR_POLICY);
+    }
 
     @Before
     public void setUp() throws HyracksDataException {

-- 
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Gerrit-MessageType: merged
Gerrit-Change-Id: I0dfbeaa9b9b24d3da106ead85afd9df02b14ddaa
Gerrit-PatchSet: 2
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Michael Blow <mi...@couchbase.com>
Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Michael Blow <mi...@couchbase.com>
Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>