diff --git a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
index 09354a5..af4bff2 100644
--- a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
@@ -128,8 +128,8 @@
             }
 
             @Override
-            public boolean outputPartialResult(ArrayTupleBuilder tupleBuilder, IFrameTupleAccessor accessor, int tIndex,
-                    AggregateState state) throws HyracksDataException {
+            public boolean outputPartialResult(ArrayTupleBuilder tupleBuilder, IFrameTupleAccessor accessor,
+                    int tIndex, AggregateState state) throws HyracksDataException {
                 throw new IllegalStateException("this method should not be called");
             }
 
diff --git a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
index 8973c75..918be11 100644
--- a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
@@ -239,7 +239,7 @@
 
         @Override
         public void close() throws HyracksDataException {
-            if(outputAppender.getTupleCount() > 0){
+            if (outputAppender.getTupleCount() > 0) {
                 FrameUtils.flushFrame(outputFrame, outputWriter);
                 outputAppender.reset(outputFrame, true);
             }
diff --git a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java
index 9b638b4..11a7a5c 100644
--- a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/aggreg/SimpleAlgebricksAccumulatingAggregatorFactory.java
@@ -119,8 +119,8 @@
             }
 
             @Override
-            public boolean outputPartialResult(ArrayTupleBuilder tupleBuilder, IFrameTupleAccessor accessor, int tIndex,
-                    AggregateState state) throws HyracksDataException {
+            public boolean outputPartialResult(ArrayTupleBuilder tupleBuilder, IFrameTupleAccessor accessor,
+                    int tIndex, AggregateState state) throws HyracksDataException {
                 throw new IllegalStateException("this method should not be called");
             }
 
diff --git a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java
index addfb2e..06ef1097 100644
--- a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java
+++ b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/meta/AlgebricksMetaOperatorDescriptor.java
@@ -33,136 +33,118 @@
 import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
 import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable;
 
-public class AlgebricksMetaOperatorDescriptor extends
-		AbstractSingleActivityOperatorDescriptor {
+public class AlgebricksMetaOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
 
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-	// array of factories for building the local runtime pipeline
-	private final AlgebricksPipeline pipeline;
+    // array of factories for building the local runtime pipeline
+    private final AlgebricksPipeline pipeline;
 
-	public AlgebricksMetaOperatorDescriptor(IOperatorDescriptorRegistry spec,
-			int inputArity, int outputArity,
-			IPushRuntimeFactory[] runtimeFactories,
-			RecordDescriptor[] internalRecordDescriptors) {
-		super(spec, inputArity, outputArity);
-		if (outputArity == 1) {
-			this.recordDescriptors[0] = internalRecordDescriptors[internalRecordDescriptors.length - 1];
-		}
-		this.pipeline = new AlgebricksPipeline(runtimeFactories,
-				internalRecordDescriptors);
-	}
+    public AlgebricksMetaOperatorDescriptor(IOperatorDescriptorRegistry spec, int inputArity, int outputArity,
+            IPushRuntimeFactory[] runtimeFactories, RecordDescriptor[] internalRecordDescriptors) {
+        super(spec, inputArity, outputArity);
+        if (outputArity == 1) {
+            this.recordDescriptors[0] = internalRecordDescriptors[internalRecordDescriptors.length - 1];
+        }
+        this.pipeline = new AlgebricksPipeline(runtimeFactories, internalRecordDescriptors);
+    }
 
-	public AlgebricksPipeline getPipeline() {
-		return pipeline;
-	}
+    public AlgebricksPipeline getPipeline() {
+        return pipeline;
+    }
 
-	@Override
-	public JSONObject toJSON() throws JSONException {
-		JSONObject json = super.toJSON();
-		json.put("micro-operators", pipeline.getRuntimeFactories());
-		return json;
-	}
+    @Override
+    public JSONObject toJSON() throws JSONException {
+        JSONObject json = super.toJSON();
+        json.put("micro-operators", pipeline.getRuntimeFactories());
+        return json;
+    }
 
-	@Override
-	public String toString() {
-		StringBuilder sb = new StringBuilder();
-		sb.append("Asterix { \n");
-		for (IPushRuntimeFactory f : pipeline.getRuntimeFactories()) {
-			sb.append("  " + f.toString() + ";\n");
-		}
-		sb.append("}");
-		// sb.append(super.getInputArity());
-		// sb.append(";");
-		// sb.append(super.getOutputArity());
-		// sb.append(";");
-		return sb.toString();
-	}
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Asterix { \n");
+        for (IPushRuntimeFactory f : pipeline.getRuntimeFactories()) {
+            sb.append("  " + f.toString() + ";\n");
+        }
+        sb.append("}");
+        // sb.append(super.getInputArity());
+        // sb.append(";");
+        // sb.append(super.getOutputArity());
+        // sb.append(";");
+        return sb.toString();
+    }
 
-	@Override
-	public IOperatorNodePushable createPushRuntime(
-			final IHyracksTaskContext ctx,
-			final IRecordDescriptorProvider recordDescProvider, int partition,
-			int nPartitions) {
-		if (inputArity == 0) {
-			return createSourceInputPushRuntime(ctx, recordDescProvider,
-					partition, nPartitions);
-		} else {
-			return createOneInputOneOutputPushRuntime(ctx, recordDescProvider,
-					partition, nPartitions);
-		}
-	}
+    @Override
+    public IOperatorNodePushable createPushRuntime(final IHyracksTaskContext ctx,
+            final IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
+        if (inputArity == 0) {
+            return createSourceInputPushRuntime(ctx, recordDescProvider, partition, nPartitions);
+        } else {
+            return createOneInputOneOutputPushRuntime(ctx, recordDescProvider, partition, nPartitions);
+        }
+    }
 
-	private IOperatorNodePushable createSourceInputPushRuntime(
-			final IHyracksTaskContext ctx,
-			final IRecordDescriptorProvider recordDescProvider, int partition,
-			int nPartitions) {
-		return new AbstractUnaryOutputSourceOperatorNodePushable() {
+    private IOperatorNodePushable createSourceInputPushRuntime(final IHyracksTaskContext ctx,
+            final IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
+        return new AbstractUnaryOutputSourceOperatorNodePushable() {
 
-			public void initialize() throws HyracksDataException {
-				IFrameWriter startOfPipeline;
-				RecordDescriptor pipelineOutputRecordDescriptor = outputArity > 0 ? AlgebricksMetaOperatorDescriptor.this.recordDescriptors[0]
-						: null;
+            public void initialize() throws HyracksDataException {
+                IFrameWriter startOfPipeline;
+                RecordDescriptor pipelineOutputRecordDescriptor = outputArity > 0 ? AlgebricksMetaOperatorDescriptor.this.recordDescriptors[0]
+                        : null;
 
-				PipelineAssembler pa = new PipelineAssembler(pipeline,
-						inputArity, outputArity, null,
-						pipelineOutputRecordDescriptor);
-				try {
-					startOfPipeline = pa.assemblePipeline(writer, ctx);
-				} catch (AlgebricksException e) {
-					throw new HyracksDataException(e);
-				}
-				startOfPipeline.open();
-				startOfPipeline.close();
-			}
-		};
-	}
+                PipelineAssembler pa = new PipelineAssembler(pipeline, inputArity, outputArity, null,
+                        pipelineOutputRecordDescriptor);
+                try {
+                    startOfPipeline = pa.assemblePipeline(writer, ctx);
+                } catch (AlgebricksException e) {
+                    throw new HyracksDataException(e);
+                }
+                startOfPipeline.open();
+                startOfPipeline.close();
+            }
+        };
+    }
 
-	private IOperatorNodePushable createOneInputOneOutputPushRuntime(
-			final IHyracksTaskContext ctx,
-			final IRecordDescriptorProvider recordDescProvider, int partition,
-			int nPartitions) {
-		return new AbstractUnaryInputUnaryOutputOperatorNodePushable() {
+    private IOperatorNodePushable createOneInputOneOutputPushRuntime(final IHyracksTaskContext ctx,
+            final IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
+        return new AbstractUnaryInputUnaryOutputOperatorNodePushable() {
 
-			private IFrameWriter startOfPipeline;
+            private IFrameWriter startOfPipeline;
 
-			@Override
-			public void open() throws HyracksDataException {
-				if (startOfPipeline == null) {
-					RecordDescriptor pipelineOutputRecordDescriptor = outputArity > 0 ? AlgebricksMetaOperatorDescriptor.this.recordDescriptors[0]
-							: null;
-					RecordDescriptor pipelineInputRecordDescriptor = recordDescProvider
-							.getInputRecordDescriptor(
-									AlgebricksMetaOperatorDescriptor.this
-											.getActivityId(), 0);
-					PipelineAssembler pa = new PipelineAssembler(pipeline,
-							inputArity, outputArity,
-							pipelineInputRecordDescriptor,
-							pipelineOutputRecordDescriptor);
-					try {
-						startOfPipeline = pa.assemblePipeline(writer, ctx);
-					} catch (AlgebricksException ae) {
-						throw new HyracksDataException(ae);
-					}
-				}
-				startOfPipeline.open();
-			}
+            @Override
+            public void open() throws HyracksDataException {
+                if (startOfPipeline == null) {
+                    RecordDescriptor pipelineOutputRecordDescriptor = outputArity > 0 ? AlgebricksMetaOperatorDescriptor.this.recordDescriptors[0]
+                            : null;
+                    RecordDescriptor pipelineInputRecordDescriptor = recordDescProvider.getInputRecordDescriptor(
+                            AlgebricksMetaOperatorDescriptor.this.getActivityId(), 0);
+                    PipelineAssembler pa = new PipelineAssembler(pipeline, inputArity, outputArity,
+                            pipelineInputRecordDescriptor, pipelineOutputRecordDescriptor);
+                    try {
+                        startOfPipeline = pa.assemblePipeline(writer, ctx);
+                    } catch (AlgebricksException ae) {
+                        throw new HyracksDataException(ae);
+                    }
+                }
+                startOfPipeline.open();
+            }
 
-			@Override
-			public void nextFrame(ByteBuffer buffer)
-					throws HyracksDataException {
-				startOfPipeline.nextFrame(buffer);
-			}
+            @Override
+            public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
+                startOfPipeline.nextFrame(buffer);
+            }
 
-			@Override
-			public void close() throws HyracksDataException {
-				startOfPipeline.close();
-			}
+            @Override
+            public void close() throws HyracksDataException {
+                startOfPipeline.close();
+            }
 
-			@Override
-			public void fail() throws HyracksDataException {
-				startOfPipeline.fail();
-			}
-		};
-	}
+            @Override
+            public void fail() throws HyracksDataException {
+                startOfPipeline.fail();
+            }
+        };
+    }
 }
diff --git a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java
index 131eea0..54ed192 100644
--- a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java
+++ b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/sort/InMemorySortRuntimeFactory.java
@@ -57,8 +57,8 @@
             @Override
             public void open() throws HyracksDataException {
                 if (frameSorter == null) {
-                    frameSorter = new FrameSorterMergeSort(ctx, sortFields, firstKeyNormalizerFactory, comparatorFactories,
-                            outputRecordDesc);
+                    frameSorter = new FrameSorterMergeSort(ctx, sortFields, firstKeyNormalizerFactory,
+                            comparatorFactories, outputRecordDesc);
                 }
                 frameSorter.reset();
                 writer.open();
diff --git a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java
index 048dbc9..d19dd34 100644
--- a/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java
+++ b/algebricks/algebricks-runtime/src/main/java/edu/uci/ics/hyracks/algebricks/runtime/operators/std/PartitioningSplitOperatorDescriptor.java
@@ -41,11 +41,11 @@
 public class PartitioningSplitOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
     private static final long serialVersionUID = 1L;
     public static int NO_DEFAULT_BRANCH = -1;
-    
+
     private final ICopyEvaluatorFactory[] evalFactories;
     private final IBinaryBooleanInspector boolInspector;
     private final int defaultBranchIndex;
-    
+
     public PartitioningSplitOperatorDescriptor(IOperatorDescriptorRegistry spec, ICopyEvaluatorFactory[] evalFactories,
             IBinaryBooleanInspector boolInspector, int defaultBranchIndex, RecordDescriptor rDesc) {
         super(spec, 1, (defaultBranchIndex == evalFactories.length) ? evalFactories.length + 1 : evalFactories.length);
@@ -66,14 +66,15 @@
             private final ByteBuffer[] writeBuffers = new ByteBuffer[outputArity];
             private final ICopyEvaluator[] evals = new ICopyEvaluator[outputArity];
             private final ArrayBackedValueStorage evalBuf = new ArrayBackedValueStorage();
-            private final RecordDescriptor inOutRecDesc = recordDescProvider.getInputRecordDescriptor(getActivityId(), 0);
+            private final RecordDescriptor inOutRecDesc = recordDescProvider.getInputRecordDescriptor(getActivityId(),
+                    0);
             private final FrameTupleAccessor accessor = new FrameTupleAccessor(ctx.getFrameSize(), inOutRecDesc);
             private final FrameTupleReference frameTuple = new FrameTupleReference();
-            
+
             private final FrameTupleAppender tupleAppender = new FrameTupleAppender(ctx.getFrameSize());
             private final ArrayTupleBuilder tupleBuilder = new ArrayTupleBuilder(inOutRecDesc.getFieldCount());
             private final DataOutput tupleDos = tupleBuilder.getDataOutput();
-            
+
             @Override
             public void close() throws HyracksDataException {
                 // Flush (possibly not full) buffers that have data, and close writers.
@@ -102,28 +103,28 @@
                     boolean found = false;
                     for (int j = 0; j < evals.length; j++) {
                         try {
-                        	evalBuf.reset();
+                            evalBuf.reset();
                             evals[j].evaluate(frameTuple);
                         } catch (AlgebricksException e) {
                             throw new HyracksDataException(e);
                         }
                         found = boolInspector.getBooleanValue(evalBuf.getByteArray(), 0, 1);
                         if (found) {
-                        	copyAndAppendTuple(j);
-                        	break;
+                            copyAndAppendTuple(j);
+                            break;
                         }
                     }
                     // Optionally write to default output branch.
                     if (!found && defaultBranchIndex != NO_DEFAULT_BRANCH) {
-                    	copyAndAppendTuple(defaultBranchIndex);
+                        copyAndAppendTuple(defaultBranchIndex);
                     }
                 }
             }
 
             private void copyAndAppendTuple(int outputIndex) throws HyracksDataException {
-            	// Copy tuple into tuple builder.
+                // Copy tuple into tuple builder.
                 try {
-                	tupleBuilder.reset();
+                    tupleBuilder.reset();
                     for (int i = 0; i < frameTuple.getFieldCount(); i++) {
                         tupleDos.write(frameTuple.getFieldData(i), frameTuple.getFieldStart(i),
                                 frameTuple.getFieldLength(i));
@@ -134,15 +135,17 @@
                 }
                 // Append to frame.
                 tupleAppender.reset(writeBuffers[outputIndex], false);
-                if (!tupleAppender.append(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray(), 0, tupleBuilder.getSize())) {
+                if (!tupleAppender.append(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray(), 0,
+                        tupleBuilder.getSize())) {
                     FrameUtils.flushFrame(writeBuffers[outputIndex], writers[outputIndex]);
                     tupleAppender.reset(writeBuffers[outputIndex], true);
-                    if (!tupleAppender.append(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray(), 0, tupleBuilder.getSize())) {
+                    if (!tupleAppender.append(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray(), 0,
+                            tupleBuilder.getSize())) {
                         throw new IllegalStateException();
                     }
                 }
             }
-            
+
             @Override
             public void open() throws HyracksDataException {
                 for (IFrameWriter writer : writers) {
@@ -155,13 +158,13 @@
                     tupleAppender.reset(writeBuffers[i], true);
                 }
                 // Create evaluators for partitioning.
-				try {
-					for (int i = 0; i < evalFactories.length; i++) {
-						evals[i] = evalFactories[i].createEvaluator(evalBuf);
-					}
-				} catch (AlgebricksException e) {
-					throw new HyracksDataException(e);
-				}
+                try {
+                    for (int i = 0; i < evalFactories.length; i++) {
+                        evals[i] = evalFactories[i].createEvaluator(evalBuf);
+                    }
+                } catch (AlgebricksException e) {
+                    throw new HyracksDataException(e);
+                }
             }
 
             @Override
@@ -171,4 +174,3 @@
         };
     }
 }
-
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/application/ICCApplicationContext.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/application/ICCApplicationContext.java
index 015e3a9..1ca4c6d 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/application/ICCApplicationContext.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/application/ICCApplicationContext.java
@@ -58,5 +58,5 @@
      * @return The Cluster Controller Context.
      */
     public ICCContext getCCContext();
-   
+
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/comm/IFrameWriter.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/comm/IFrameWriter.java
index 83aa0f2..8e35dda 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/comm/IFrameWriter.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/comm/IFrameWriter.java
@@ -19,8 +19,7 @@
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 
 /**
- * {@link IFrameWriter} is the interface implemented by a stream consumer. An
- * {@link IFrameWriter} could be in one of the following states:
+ * {@link IFrameWriter} is the interface implemented by a stream consumer. An {@link IFrameWriter} could be in one of the following states:
  * <ul>
  * <li>INITIAL</li>
  * <li>OPENED</li>
@@ -29,33 +28,21 @@
  * </ul>
  * A producer follows the following protocol when using an {@link IFrameWriter}.
  * Initially, the {@link IFrameWriter} is in the INITIAL state.
- * The first valid call to an {@link IFrameWriter} is always the
- * {@link IFrameWriter#open()}. This call provides the opportunity for the
- * {@link IFrameWriter} implementation to allocate any resources for its
+ * The first valid call to an {@link IFrameWriter} is always the {@link IFrameWriter#open()}. This call provides the opportunity for the {@link IFrameWriter} implementation to allocate any resources for its
  * processing. Once this call returns, the {@link IFrameWriter} is in the OPENED
  * state. If an error occurs
- * during the {@link IFrameWriter#open()} call, a {@link HyracksDataException}
- * is thrown and it stays in the INITIAL state.
+ * during the {@link IFrameWriter#open()} call, a {@link HyracksDataException} is thrown and it stays in the INITIAL state.
  * While the {@link IFrameWriter} is in the OPENED state, the producer can call
  * one of:
  * <ul>
- * <li> {@link IFrameWriter#close()} to give up any resources owned by the
- * {@link IFrameWriter} and enter the CLOSED state.</li>
- * <li> {@link IFrameWriter#nextFrame(ByteBuffer)} to provide data to the
- * {@link IFrameWriter}. The call returns normally on success and the
- * {@link IFrameWriter} remains in the OPENED state. On failure, the call throws
- * a {@link HyracksDataException}, and the {@link IFrameWriter} enters the ERROR
- * state.</li>
- * <li> {@link IFrameWriter#fail()} to indicate that stream is to be aborted. The
- * {@link IFrameWriter} enters the FAILED state.</li>
+ * <li> {@link IFrameWriter#close()} to give up any resources owned by the {@link IFrameWriter} and enter the CLOSED state.</li>
+ * <li> {@link IFrameWriter#nextFrame(ByteBuffer)} to provide data to the {@link IFrameWriter}. The call returns normally on success and the {@link IFrameWriter} remains in the OPENED state. On failure, the call throws a {@link HyracksDataException}, and the {@link IFrameWriter} enters the ERROR state.</li>
+ * <li> {@link IFrameWriter#fail()} to indicate that stream is to be aborted. The {@link IFrameWriter} enters the FAILED state.</li>
  * </ul>
- * In the FAILED state, the only call allowed is the
- * {@link IFrameWriter#close()} to move the {@link IFrameWriter} into the CLOSED
+ * In the FAILED state, the only call allowed is the {@link IFrameWriter#close()} to move the {@link IFrameWriter} into the CLOSED
  * state and give up all resources.
  * No calls are allowed when the {@link IFrameWriter} is in the CLOSED state.
- * 
- * Note: If the call to {@link IFrameWriter#open()} failed, the
- * {@link IFrameWriter#close()} is not called by the producer. So an exceptional
+ * Note: If the call to {@link IFrameWriter#open()} failed, the {@link IFrameWriter#close()} is not called by the producer. So an exceptional
  * return from the {@link IFrameWriter#open()} call must clean up all partially
  * allocated resources.
  * 
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/context/IHyracksCommonContext.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/context/IHyracksCommonContext.java
index 1af32de..965ade7 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/context/IHyracksCommonContext.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/context/IHyracksCommonContext.java
@@ -25,6 +25,6 @@
     public IIOManager getIOManager();
 
     public ByteBuffer allocateFrame() throws HyracksDataException;
-    
+
     public void deallocateFrames(int frameCount);
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java
index a06b311f..d4b158b 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/ILinearizeComparatorFactory.java
@@ -14,7 +14,6 @@
  */
 package edu.uci.ics.hyracks.api.dataflow.value;
 
-
 public interface ILinearizeComparatorFactory extends IBinaryComparatorFactory {
     public ILinearizeComparator createBinaryComparator();
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluator.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluator.java
index 575472c..d42d714 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluator.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluator.java
@@ -21,5 +21,5 @@
  * Compares two tuples to make sure that records, whose comparison keys are NULL do not pass comparator filter  
  */
 public interface IPredicateEvaluator {
-	public boolean evaluate(IFrameTupleAccessor fta0, int tupId0, IFrameTupleAccessor fta1, int tupId1);
+    public boolean evaluate(IFrameTupleAccessor fta0, int tupId0, IFrameTupleAccessor fta1, int tupId1);
 }
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java
index bc2f339..41cd6f6 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactory.java
@@ -22,5 +22,5 @@
  */
 
 public interface IPredicateEvaluatorFactory extends Serializable {
-	public IPredicateEvaluator createPredicateEvaluator();
+    public IPredicateEvaluator createPredicateEvaluator();
 }
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java
index 029ab211..09127b5 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/IPredicateEvaluatorFactoryProvider.java
@@ -21,6 +21,6 @@
  * Provides PredicateEvaluatorFactory based on (equi-join) keys 		
  */
 
-public interface IPredicateEvaluatorFactoryProvider extends Serializable{
-	public IPredicateEvaluatorFactory getPredicateEvaluatorFactory(int[] keys0, int[] keys1);
+public interface IPredicateEvaluatorFactoryProvider extends Serializable {
+    public IPredicateEvaluatorFactory getPredicateEvaluatorFactory(int[] keys0, int[] keys1);
 }
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/deployment/DeploymentId.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/deployment/DeploymentId.java
index 8d8d728..6eab7a7 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/deployment/DeploymentId.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/deployment/DeploymentId.java
@@ -21,7 +21,6 @@
  * The representation of a deployment id
  * 
  * @author yingyib
- *
  */
 public class DeploymentId implements Serializable {
     private static final long serialVersionUID = 1L;
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/io/FileReference.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/io/FileReference.java
index 4eda148..2270c6a 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/io/FileReference.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/io/FileReference.java
@@ -34,13 +34,13 @@
     }
 
     public File getFile() {
-    	return file;
+        return file;
     }
 
     public IODeviceHandle getDeviceHandle() {
-    	return dev;
+        return dev;
     }
-    
+
     @Override
     public String toString() {
         return file.getAbsolutePath();
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/job/IJobSerializerDeserializer.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/job/IJobSerializerDeserializer.java
index a105953..dcd8860 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/job/IJobSerializerDeserializer.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/job/IJobSerializerDeserializer.java
@@ -60,7 +60,6 @@
     public Class<?> loadClass(String className) throws HyracksException;
 
     /**
-     * 
      * @param binaryURLs
      * @throws HyracksException
      */
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessage.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessage.java
index e9ddd7e..7f9b5ea 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessage.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessage.java
@@ -18,7 +18,6 @@
 
 /**
  * @author rico
- * 
  */
 public interface IMessage extends Serializable {
 
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessageBroker.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessageBroker.java
index 7b33eb4..f4f770f 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessageBroker.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/messages/IMessageBroker.java
@@ -16,7 +16,6 @@
 
 /**
  * @author rico
- * 
  */
 public interface IMessageBroker {
 
diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/partitions/ResultSetPartitionId.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/partitions/ResultSetPartitionId.java
index 21f8d98..0c2e0cc 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/partitions/ResultSetPartitionId.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/partitions/ResultSetPartitionId.java
@@ -25,7 +25,7 @@
     private final JobId jobId;
 
     private final ResultSetId resultSetId;
-    
+
     private final int partition;
 
     public ResultSetPartitionId(JobId jobId, ResultSetId resultSetId, int partition) {