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Posted to commits@asterixdb.apache.org by mb...@apache.org on 2018/01/28 20:53:08 UTC

[27/29] asterixdb git commit: [ASTERIXDB-2256] Reformat sources using code format template

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
index d1506f7..1c7330a 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
@@ -156,7 +156,7 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
 
     public boolean analyzeGetItemFuncExpr(AbstractFunctionCallExpression funcExpr,
             List<AbstractLogicalOperator> assignsAndUnnests, AccessMethodAnalysisContext analysisCtx)
-                    throws AlgebricksException {
+            throws AlgebricksException {
         if (funcExpr.getFunctionIdentifier() != BuiltinFunctions.GET_ITEM) {
             return false;
         }
@@ -213,8 +213,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
                         if (unnestFuncExpr.getFunctionIdentifier() != BuiltinFunctions.SCAN_COLLECTION) {
                             return false;
                         }
-                        matchedFuncExpr = (AbstractFunctionCallExpression) unnestFuncExpr.getArguments().get(0)
-                                .getValue();
+                        matchedFuncExpr =
+                                (AbstractFunctionCallExpression) unnestFuncExpr.getArguments().get(0).getValue();
                     }
                 }
                 // We've already found a match.
@@ -254,13 +254,13 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
                 || arg2.getExpressionTag() == LogicalExpressionTag.CONSTANT) {
             return false;
         }
-        LogicalVariable fieldVarExpr1 = getNonConstArgFieldExprPair(arg1, funcExpr, assignsAndUnnests,
-                matchedAssignOrUnnestIndex);
+        LogicalVariable fieldVarExpr1 =
+                getNonConstArgFieldExprPair(arg1, funcExpr, assignsAndUnnests, matchedAssignOrUnnestIndex);
         if (fieldVarExpr1 == null) {
             return false;
         }
-        LogicalVariable fieldVarExpr2 = getNonConstArgFieldExprPair(arg2, funcExpr, assignsAndUnnests,
-                matchedAssignOrUnnestIndex);
+        LogicalVariable fieldVarExpr2 =
+                getNonConstArgFieldExprPair(arg2, funcExpr, assignsAndUnnests, matchedAssignOrUnnestIndex);
         if (fieldVarExpr2 == null) {
             return false;
         }
@@ -307,8 +307,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         } else {
             return false;
         }
-        LogicalVariable fieldVarExpr = getNonConstArgFieldExprPair(nonConstArg, funcExpr, assignsAndUnnests,
-                matchedAssignOrUnnestIndex);
+        LogicalVariable fieldVarExpr =
+                getNonConstArgFieldExprPair(nonConstArg, funcExpr, assignsAndUnnests, matchedAssignOrUnnestIndex);
         if (fieldVarExpr == null) {
             return false;
         }
@@ -388,9 +388,9 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         // we made sure indexSubTree has datasource scan
         DataSourceScanOperator dataSourceScan = (DataSourceScanOperator) indexSubTree.getDataSourceRef().getValue();
 
-        InvertedIndexJobGenParams jobGenParams = new InvertedIndexJobGenParams(chosenIndex.getIndexName(),
-                chosenIndex.getIndexType(), dataset.getDataverseName(), dataset.getDatasetName(), retainInput,
-                requiresBroadcast);
+        InvertedIndexJobGenParams jobGenParams =
+                new InvertedIndexJobGenParams(chosenIndex.getIndexName(), chosenIndex.getIndexType(),
+                        dataset.getDataverseName(), dataset.getDatasetName(), retainInput, requiresBroadcast);
         // Add function-specific args such as search modifier, and possibly a similarity threshold.
         addFunctionSpecificArgs(optFuncExpr, jobGenParams);
         // Add the type of search key from the optFuncExpr.
@@ -424,9 +424,9 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
                 metaRecordType, chosenIndex, inputOp, jobGenParams, context, true, retainInput, retainNull);
 
         // Generate the rest of the upstream plan which feeds the search results into the primary index.
-        AbstractUnnestMapOperator primaryIndexUnnestOp = AccessMethodUtils.createPrimaryIndexUnnestMap(dataSourceScan,
-                dataset, recordType, metaRecordType, secondaryIndexUnnestOp, context, true, retainInput, retainNull,
-                false);
+        AbstractUnnestMapOperator primaryIndexUnnestOp =
+                AccessMethodUtils.createPrimaryIndexUnnestMap(dataSourceScan, dataset, recordType, metaRecordType,
+                        secondaryIndexUnnestOp, context, true, retainInput, retainNull, false);
 
         return primaryIndexUnnestOp;
     }
@@ -526,8 +526,7 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         Mutable<ILogicalOperator> panicJoinRef = null;
         Map<LogicalVariable, LogicalVariable> panicVarMap = null;
         if (optFuncExpr.getFuncExpr().getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CHECK
-                || optFuncExpr.getFuncExpr()
-                        .getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CONTAINS) {
+                || optFuncExpr.getFuncExpr().getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CONTAINS) {
             panicJoinRef = new MutableObject<>(joinRef.getValue());
             panicVarMap = new HashMap<>();
             Mutable<ILogicalOperator> newProbeRootRef = createPanicNestedLoopJoinPlan(panicJoinRef, indexSubTree,
@@ -577,8 +576,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         // Place a top-level equi-join on top to retrieve the missing variables from the original probe subtree.
         // The inner (build) branch of the join is the subtree with the data scan, since the result of the similarity join could potentially be big.
         // This choice may not always be the most efficient, but it seems more robust than the alternative.
-        Mutable<ILogicalExpression> eqJoinConditionRef = createPrimaryKeysEqJoinCondition(originalSubTreePKs,
-                surrogateSubTreePKs);
+        Mutable<ILogicalExpression> eqJoinConditionRef =
+                createPrimaryKeysEqJoinCondition(originalSubTreePKs, surrogateSubTreePKs);
         InnerJoinOperator topEqJoin = new InnerJoinOperator(eqJoinConditionRef, originalProbeSubTreeRootRef,
                 new MutableObject<ILogicalOperator>(topOp));
         topEqJoin.setExecutionMode(ExecutionMode.PARTITIONED);
@@ -628,14 +627,14 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         }
 
         // Create first copy.
-        LogicalOperatorDeepCopyWithNewVariablesVisitor firstDeepCopyVisitor = new LogicalOperatorDeepCopyWithNewVariablesVisitor(
-                context, context, newProbeSubTreeVarMap, true);
+        LogicalOperatorDeepCopyWithNewVariablesVisitor firstDeepCopyVisitor =
+                new LogicalOperatorDeepCopyWithNewVariablesVisitor(context, context, newProbeSubTreeVarMap, true);
         ILogicalOperator newProbeSubTree = firstDeepCopyVisitor.deepCopy(probeSubTree.getRoot());
         inferTypes(newProbeSubTree, context);
         Mutable<ILogicalOperator> newProbeSubTreeRootRef = new MutableObject<ILogicalOperator>(newProbeSubTree);
         // Create second copy.
-        LogicalOperatorDeepCopyWithNewVariablesVisitor secondDeepCopyVisitor = new LogicalOperatorDeepCopyWithNewVariablesVisitor(
-                context, context, joinInputSubTreeVarMap, true);
+        LogicalOperatorDeepCopyWithNewVariablesVisitor secondDeepCopyVisitor =
+                new LogicalOperatorDeepCopyWithNewVariablesVisitor(context, context, joinInputSubTreeVarMap, true);
         ILogicalOperator joinInputSubTree = secondDeepCopyVisitor.deepCopy(probeSubTree.getRoot());
         inferTypes(joinInputSubTree, context);
         probeSubTree.getRootRef().setValue(joinInputSubTree);
@@ -670,8 +669,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
             args.add(
                     new MutableObject<ILogicalExpression>(new VariableReferenceExpression(surrogateSubTreePKs.get(i))));
             args.add(new MutableObject<ILogicalExpression>(new VariableReferenceExpression(originalSubTreePKs.get(i))));
-            ILogicalExpression eqFunc = new ScalarFunctionCallExpression(
-                    FunctionUtil.getFunctionInfo(AlgebricksBuiltinFunctions.EQ), args);
+            ILogicalExpression eqFunc =
+                    new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(AlgebricksBuiltinFunctions.EQ), args);
             eqExprs.add(new MutableObject<ILogicalExpression>(eqFunc));
         }
         if (eqExprs.size() == 1) {
@@ -712,8 +711,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         VariableUtilities.getLiveVariables(indexSubTree.getRoot(), originalLiveVars);
 
         // Copy the scan subtree in indexSubTree.
-        LogicalOperatorDeepCopyWithNewVariablesVisitor deepCopyVisitor = new LogicalOperatorDeepCopyWithNewVariablesVisitor(
-                context, context);
+        LogicalOperatorDeepCopyWithNewVariablesVisitor deepCopyVisitor =
+                new LogicalOperatorDeepCopyWithNewVariablesVisitor(context, context);
         ILogicalOperator scanSubTree = deepCopyVisitor.deepCopy(indexSubTree.getRoot());
 
         Map<LogicalVariable, LogicalVariable> copyVarMap = deepCopyVisitor.getInputToOutputVariableMapping();
@@ -777,8 +776,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
                 throw CompilationException.create(ErrorCode.NO_SUPPORTED_TYPE);
         }
 
-        SelectOperator isFilterableSelectOp = new SelectOperator(
-                new MutableObject<ILogicalExpression>(isFilterableExpr), false, null);
+        SelectOperator isFilterableSelectOp =
+                new SelectOperator(new MutableObject<ILogicalExpression>(isFilterableExpr), false, null);
         isFilterableSelectOp.getInputs().add(new MutableObject<ILogicalOperator>(inputOp));
         isFilterableSelectOp.setExecutionMode(ExecutionMode.LOCAL);
         context.computeAndSetTypeEnvironmentForOperator(isFilterableSelectOp);
@@ -788,8 +787,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         isNotFilterableArgs.add(new MutableObject<ILogicalExpression>(isFilterableExpr));
         ILogicalExpression isNotFilterableExpr = new ScalarFunctionCallExpression(
                 FunctionUtil.getFunctionInfo(BuiltinFunctions.NOT), isNotFilterableArgs);
-        SelectOperator isNotFilterableSelectOp = new SelectOperator(
-                new MutableObject<ILogicalExpression>(isNotFilterableExpr), false, null);
+        SelectOperator isNotFilterableSelectOp =
+                new SelectOperator(new MutableObject<ILogicalExpression>(isNotFilterableExpr), false, null);
         isNotFilterableSelectOp.getInputs().add(new MutableObject<ILogicalOperator>(inputOp));
         isNotFilterableSelectOp.setExecutionMode(ExecutionMode.LOCAL);
         context.computeAndSetTypeEnvironmentForOperator(isNotFilterableSelectOp);
@@ -847,8 +846,7 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
             return;
         }
         if (optFuncExpr.getFuncExpr().getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CHECK
-                || optFuncExpr.getFuncExpr()
-                        .getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CONTAINS) {
+                || optFuncExpr.getFuncExpr().getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CONTAINS) {
             if (optFuncExpr.containsPartialField()) {
                 jobGenParams.setSearchModifierType(SearchModifierType.CONJUNCTIVE_EDIT_DISTANCE);
             } else {
@@ -896,7 +894,7 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
 
     private void addKeyVarsAndExprs(IOptimizableFuncExpr optFuncExpr, ArrayList<LogicalVariable> keyVarList,
             ArrayList<Mutable<ILogicalExpression>> keyExprList, IOptimizationContext context)
-                    throws AlgebricksException {
+            throws AlgebricksException {
         // For now we are assuming a single secondary index key.
         // Add a variable and its expr to the lists which will be passed into an assign op.
         LogicalVariable keyVar = context.newVar();
@@ -913,8 +911,7 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
         }
 
         if (optFuncExpr.getFuncExpr().getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CHECK
-                || optFuncExpr.getFuncExpr()
-                        .getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CONTAINS) {
+                || optFuncExpr.getFuncExpr().getFunctionIdentifier() == BuiltinFunctions.EDIT_DISTANCE_CONTAINS) {
             return isEditDistanceFuncOptimizable(index, optFuncExpr);
         }
 
@@ -970,8 +967,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
 
         // Check for panic in selection query.
         // TODO: Panic also depends on prePost which is currently hardcoded to be true.
-        AsterixConstantValue listOrStrConstVal = (AsterixConstantValue) ((ConstantExpression) optFuncExpr
-                .getConstantExpr(0)).getValue();
+        AsterixConstantValue listOrStrConstVal =
+                (AsterixConstantValue) ((ConstantExpression) optFuncExpr.getConstantExpr(0)).getValue();
         IAObject listOrStrObj = listOrStrConstVal.getObject();
         ATypeTag typeTag = listOrStrObj.getType().getTypeTag();
 
@@ -979,8 +976,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
             return false;
         }
 
-        AsterixConstantValue intConstVal = (AsterixConstantValue) ((ConstantExpression) optFuncExpr.getConstantExpr(1))
-                .getValue();
+        AsterixConstantValue intConstVal =
+                (AsterixConstantValue) ((ConstantExpression) optFuncExpr.getConstantExpr(1)).getValue();
         IAObject intObj = intConstVal.getObject();
 
         AInt32 edThresh = null;
@@ -1168,8 +1165,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
     }
 
     private boolean isContainsFuncSelectOptimizable(Index index, IOptimizableFuncExpr optFuncExpr) {
-        AsterixConstantValue strConstVal = (AsterixConstantValue) ((ConstantExpression) optFuncExpr.getConstantExpr(0))
-                .getValue();
+        AsterixConstantValue strConstVal =
+                (AsterixConstantValue) ((ConstantExpression) optFuncExpr.getConstantExpr(0)).getValue();
         IAObject strObj = strConstVal.getObject();
         ATypeTag typeTag = strObj.getType().getTypeTag();
 
@@ -1265,8 +1262,8 @@ public class InvertedIndexAccessMethod implements IAccessMethod {
                         }
                     }
                     default: {
-                        throw CompilationException.create(ErrorCode.INCOMPATIBLE_SEARCH_MODIFIER,
-                                searchModifierType, index.getIndexType());
+                        throw CompilationException.create(ErrorCode.INCOMPATIBLE_SEARCH_MODIFIER, searchModifierType,
+                                index.getIndexType());
                     }
                 }
             default:

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
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diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
index b66a663..fd46194 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/am/RTreeAccessMethod.java
@@ -196,8 +196,8 @@ public class RTreeAccessMethod implements IAccessMethod {
         int numDimensions = NonTaggedFormatUtil.getNumDimensions(spatialType.getTypeTag());
         int numSecondaryKeys = numDimensions * 2;
         // we made sure indexSubTree has datasource scan
-        AbstractDataSourceOperator dataSourceOp = (AbstractDataSourceOperator) indexSubTree.getDataSourceRef()
-                .getValue();
+        AbstractDataSourceOperator dataSourceOp =
+                (AbstractDataSourceOperator) indexSubTree.getDataSourceRef().getValue();
         RTreeJobGenParams jobGenParams = new RTreeJobGenParams(chosenIndex.getIndexName(), IndexType.RTREE,
                 dataset.getDataverseName(), dataset.getDatasetName(), retainInput, requiresBroadcast);
         // A spatial object is serialized in the constant of the func expr we are optimizing.
@@ -214,8 +214,8 @@ public class RTreeAccessMethod implements IAccessMethod {
 
         for (int i = 0; i < numSecondaryKeys; i++) {
             // The create MBR function "extracts" one field of an MBR around the given spatial object.
-            AbstractFunctionCallExpression createMBR = new ScalarFunctionCallExpression(
-                    FunctionUtil.getFunctionInfo(BuiltinFunctions.CREATE_MBR));
+            AbstractFunctionCallExpression createMBR =
+                    new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.CREATE_MBR));
             // Spatial object is the constant from the func expr we are optimizing.
             createMBR.getArguments().add(new MutableObject<>(searchKeyExpr));
             // The number of dimensions.
@@ -236,8 +236,8 @@ public class RTreeAccessMethod implements IAccessMethod {
         if (probeSubTree == null) {
             // We are optimizing a selection query.
             // Input to this assign is the EmptyTupleSource (which the dataSourceScan also must have had as input).
-            assignSearchKeys.getInputs().add(new MutableObject<>(
-                    OperatorManipulationUtil.deepCopy(dataSourceOp.getInputs().get(0).getValue())));
+            assignSearchKeys.getInputs().add(
+                    new MutableObject<>(OperatorManipulationUtil.deepCopy(dataSourceOp.getInputs().get(0).getValue())));
             assignSearchKeys.setExecutionMode(dataSourceOp.getExecutionMode());
         } else {
             // We are optimizing a join, place the assign op top of the probe subtree.

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineAllNtsInSubplanVisitor.java
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diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineAllNtsInSubplanVisitor.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineAllNtsInSubplanVisitor.java
index 9a49472..8bfa53a 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineAllNtsInSubplanVisitor.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineAllNtsInSubplanVisitor.java
@@ -136,8 +136,8 @@ class InlineAllNtsInSubplanVisitor implements IQueryOperatorVisitor<ILogicalOper
 
     // Maps live variables at <code>subplanInputOperator</code> to variables in
     // the flattened nested plan.
-    private final LinkedHashMap<LogicalVariable, LogicalVariable> subplanInputVarToCurrentVarMap = new
-            LinkedHashMap<>();
+    private final LinkedHashMap<LogicalVariable, LogicalVariable> subplanInputVarToCurrentVarMap =
+            new LinkedHashMap<>();
 
     // Maps variables in the flattened nested plan to live variables at
     // <code>subplannputOperator</code>.
@@ -288,15 +288,13 @@ class InlineAllNtsInSubplanVisitor implements IQueryOperatorVisitor<ILogicalOper
             if (!correlatedKeyVars.contains(inputLiveVar)) {
                 recordConstructorArgs.add(new MutableObject<>(new ConstantExpression(
                         new AsterixConstantValue(new AString(Integer.toString(inputLiveVar.getId()))))));
-                recordConstructorArgs
-                        .add(new MutableObject<>(new VariableReferenceExpression(inputLiveVar)));
+                recordConstructorArgs.add(new MutableObject<>(new VariableReferenceExpression(inputLiveVar)));
             }
         }
         LogicalVariable recordVar = context.newVar();
-        Mutable<ILogicalExpression> recordExprRef = new MutableObject<ILogicalExpression>(
-                new ScalarFunctionCallExpression(
-                        FunctionUtil.getFunctionInfo(BuiltinFunctions.OPEN_RECORD_CONSTRUCTOR),
-                        recordConstructorArgs));
+        Mutable<ILogicalExpression> recordExprRef =
+                new MutableObject<ILogicalExpression>(new ScalarFunctionCallExpression(
+                        FunctionUtil.getFunctionInfo(BuiltinFunctions.OPEN_RECORD_CONSTRUCTOR), recordConstructorArgs));
         AssignOperator assignOp = new AssignOperator(recordVar, recordExprRef);
         return new Pair<>(assignOp, recordVar);
     }
@@ -363,13 +361,11 @@ class InlineAllNtsInSubplanVisitor implements IQueryOperatorVisitor<ILogicalOper
     private Pair<ILogicalOperator, LogicalVariable> createUnnestForAggregatedList(LogicalVariable aggVar) {
         LogicalVariable unnestVar = context.newVar();
         // Creates an unnest function expression.
-        Mutable<ILogicalExpression> unnestArg = new MutableObject<>(
-                new VariableReferenceExpression(aggVar));
+        Mutable<ILogicalExpression> unnestArg = new MutableObject<>(new VariableReferenceExpression(aggVar));
         List<Mutable<ILogicalExpression>> unnestArgList = new ArrayList<>();
         unnestArgList.add(unnestArg);
-        Mutable<ILogicalExpression> unnestExpr = new MutableObject<>(
-                new UnnestingFunctionCallExpression(
-                        FunctionUtil.getFunctionInfo(BuiltinFunctions.SCAN_COLLECTION), unnestArgList));
+        Mutable<ILogicalExpression> unnestExpr = new MutableObject<>(new UnnestingFunctionCallExpression(
+                FunctionUtil.getFunctionInfo(BuiltinFunctions.SCAN_COLLECTION), unnestArgList));
         ILogicalOperator unnestOp = new UnnestOperator(unnestVar, unnestExpr);
         return new Pair<>(unnestOp, unnestVar);
     }
@@ -414,15 +410,15 @@ class InlineAllNtsInSubplanVisitor implements IQueryOperatorVisitor<ILogicalOper
         if (op.getDataSourceReference().getValue() != subplanOperator) {
             return op;
         }
-        LogicalOperatorDeepCopyWithNewVariablesVisitor deepCopyVisitor = new LogicalOperatorDeepCopyWithNewVariablesVisitor(
-                context, context);
+        LogicalOperatorDeepCopyWithNewVariablesVisitor deepCopyVisitor =
+                new LogicalOperatorDeepCopyWithNewVariablesVisitor(context, context);
         ILogicalOperator copiedInputOperator = deepCopyVisitor.deepCopy(subplanInputOperator);
 
         // Updates the primary key info in the copied plan segment.
         Map<LogicalVariable, LogicalVariable> varMap = deepCopyVisitor.getInputToOutputVariableMapping();
         addPrimaryKeys(varMap);
-        Pair<ILogicalOperator, Set<LogicalVariable>> primaryOpAndVars = EquivalenceClassUtils
-                .findOrCreatePrimaryKeyOpAndVariables(copiedInputOperator, true, context);
+        Pair<ILogicalOperator, Set<LogicalVariable>> primaryOpAndVars =
+                EquivalenceClassUtils.findOrCreatePrimaryKeyOpAndVariables(copiedInputOperator, true, context);
         correlatedKeyVars.clear();
         correlatedKeyVars.addAll(primaryOpAndVars.second);
         // Update key variables and input-output-var mapping.

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineLeftNtsInSubplanJoinFlatteningVisitor.java
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diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineLeftNtsInSubplanJoinFlatteningVisitor.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineLeftNtsInSubplanJoinFlatteningVisitor.java
index 6a318d6..4a28344 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineLeftNtsInSubplanJoinFlatteningVisitor.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineLeftNtsInSubplanJoinFlatteningVisitor.java
@@ -399,8 +399,8 @@ class InlineLeftNtsInSubplanJoinFlatteningVisitor implements IQueryOperatorVisit
      */
     private void injectNullCheckVars(AbstractBinaryJoinOperator joinOp) {
         LogicalVariable assignVar = context.newVar();
-        ILogicalOperator assignOp = new AssignOperator(assignVar,
-                new MutableObject<ILogicalExpression>(ConstantExpression.TRUE));
+        ILogicalOperator assignOp =
+                new AssignOperator(assignVar, new MutableObject<ILogicalExpression>(ConstantExpression.TRUE));
         assignOp.getInputs().add(joinOp.getInputs().get(1));
         joinOp.getInputs().set(1, new MutableObject<ILogicalOperator>(assignOp));
         nullCheckVars.add(assignVar);

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineSubplanInputForNestedTupleSourceRule.java
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diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineSubplanInputForNestedTupleSourceRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineSubplanInputForNestedTupleSourceRule.java
index 8ab8b1d..a9cd806 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineSubplanInputForNestedTupleSourceRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/InlineSubplanInputForNestedTupleSourceRule.java
@@ -273,12 +273,11 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
     }
 
     private Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> rewriteSubplanOperator(
-            Mutable<ILogicalOperator> opRef,
-            IOptimizationContext context) throws AlgebricksException {
+            Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
         AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
         // Recursively traverses input operators as if the current operator before rewriting the current operator.
-        Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> changedAndVarMap = traverseNonSubplanOperator(op,
-                context);
+        Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> changedAndVarMap =
+                traverseNonSubplanOperator(op, context);
         if (op.getOperatorTag() != LogicalOperatorTag.SUBPLAN) {
             return changedAndVarMap;
         }
@@ -312,17 +311,15 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
      * @throws AlgebricksException
      */
     private Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> traverseNonSubplanOperator(
-            ILogicalOperator op,
-            IOptimizationContext context) throws AlgebricksException {
+            ILogicalOperator op, IOptimizationContext context) throws AlgebricksException {
         Set<LogicalVariable> liveVars = new HashSet<>();
         VariableUtilities.getLiveVariables(op, liveVars);
         LinkedHashMap<LogicalVariable, LogicalVariable> replacedVarMap = new LinkedHashMap<>();
         LinkedHashMap<LogicalVariable, LogicalVariable> replacedVarMapForAncestor = new LinkedHashMap<>();
         boolean changed = false;
         for (Mutable<ILogicalOperator> childrenRef : op.getInputs()) {
-            Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> resultFromChild = rewriteSubplanOperator(
-                    childrenRef,
-                    context);
+            Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> resultFromChild =
+                    rewriteSubplanOperator(childrenRef, context);
             changed = changed || resultFromChild.first;
             resultFromChild.second.forEach((oldVar, newVar) -> {
                 if (liveVars.contains(oldVar)) {
@@ -344,8 +341,7 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
     }
 
     private Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> applyGeneralFlattening(
-            Mutable<ILogicalOperator> opRef,
-            IOptimizationContext context) throws AlgebricksException {
+            Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
         SubplanOperator subplanOp = (SubplanOperator) opRef.getValue();
         if (!SubplanFlatteningUtil.containsOperators(subplanOp,
                 ImmutableSet.of(LogicalOperatorTag.DATASOURCESCAN, LogicalOperatorTag.INNERJOIN,
@@ -356,24 +352,24 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
         Mutable<ILogicalOperator> inputOpRef = subplanOp.getInputs().get(0);
         ILogicalOperator inputOpBackup = inputOpRef.getValue();
         // Creates parameters for the left outer join operator.
-        Pair<ILogicalOperator, Set<LogicalVariable>> primaryOpAndVars = EquivalenceClassUtils
-                .findOrCreatePrimaryKeyOpAndVariables(inputOpBackup, true, context);
+        Pair<ILogicalOperator, Set<LogicalVariable>> primaryOpAndVars =
+                EquivalenceClassUtils.findOrCreatePrimaryKeyOpAndVariables(inputOpBackup, true, context);
         ILogicalOperator inputOp = primaryOpAndVars.first;
         Set<LogicalVariable> primaryKeyVars = primaryOpAndVars.second;
         inputOpRef.setValue(inputOp);
         Set<LogicalVariable> inputLiveVars = new HashSet<>();
         VariableUtilities.getLiveVariables(inputOp, inputLiveVars);
 
-        Pair<Map<LogicalVariable, LogicalVariable>, List<Pair<IOrder, Mutable<ILogicalExpression>>>> varMapAndOrderExprs = SubplanFlatteningUtil
-                .inlineAllNestedTupleSource(subplanOp, context);
+        Pair<Map<LogicalVariable, LogicalVariable>, List<Pair<IOrder, Mutable<ILogicalExpression>>>> varMapAndOrderExprs =
+                SubplanFlatteningUtil.inlineAllNestedTupleSource(subplanOp, context);
         Map<LogicalVariable, LogicalVariable> varMap = varMapAndOrderExprs.first;
         if (varMap == null) {
             inputOpRef.setValue(inputOpBackup);
             return new Pair<>(false, new LinkedHashMap<>());
         }
 
-        Mutable<ILogicalOperator> lowestAggregateRefInSubplan = SubplanFlatteningUtil
-                .findLowestAggregate(subplanOp.getNestedPlans().get(0).getRoots().get(0));
+        Mutable<ILogicalOperator> lowestAggregateRefInSubplan =
+                SubplanFlatteningUtil.findLowestAggregate(subplanOp.getNestedPlans().get(0).getRoots().get(0));
         Mutable<ILogicalOperator> rightInputOpRef = lowestAggregateRefInSubplan.getValue().getInputs().get(0);
         ILogicalOperator rightInputOp = rightInputOpRef.getValue();
 
@@ -400,14 +396,16 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
                 ? new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(AlgebricksBuiltinFunctions.AND),
                         joinPredicates)
                 : joinPredicates.size() > 0 ? joinPredicates.get(0).getValue() : ConstantExpression.TRUE;
-        LeftOuterJoinOperator leftOuterJoinOp = new LeftOuterJoinOperator(
-                new MutableObject<>(joinExpr), inputOpRef, rightInputOpRef);
+        LeftOuterJoinOperator leftOuterJoinOp =
+                new LeftOuterJoinOperator(new MutableObject<>(joinExpr), inputOpRef, rightInputOpRef);
         OperatorManipulationUtil.computeTypeEnvironmentBottomUp(rightInputOp, context);
         context.computeAndSetTypeEnvironmentForOperator(leftOuterJoinOp);
 
         // Creates group-by operator.
-        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByList = new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
-        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByDecorList = new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
+        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByList =
+                new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
+        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByDecorList =
+                new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
         List<ILogicalPlan> nestedPlans = new ArrayList<>();
         GroupByOperator groupbyOp = new GroupByOperator(groupByList, groupByDecorList, nestedPlans);
 
@@ -439,17 +437,14 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
 
         // Adds a select operator into the nested plan for group-by to remove tuples with NULL on {@code assignVar}, i.e.,
         // subplan input tuples that are filtered out within a subplan.
-        Mutable<ILogicalExpression> filterVarExpr = new MutableObject<>(
-                new VariableReferenceExpression(assignVar));
+        Mutable<ILogicalExpression> filterVarExpr = new MutableObject<>(new VariableReferenceExpression(assignVar));
         List<Mutable<ILogicalExpression>> args = new ArrayList<>();
         args.add(filterVarExpr);
         List<Mutable<ILogicalExpression>> argsForNotFunction = new ArrayList<>();
-        argsForNotFunction.add(new MutableObject<>(new ScalarFunctionCallExpression(
-                FunctionUtil.getFunctionInfo(BuiltinFunctions.IS_MISSING), args)));
-        SelectOperator selectOp = new SelectOperator(
-                new MutableObject<>(new ScalarFunctionCallExpression(
-                        FunctionUtil.getFunctionInfo(BuiltinFunctions.NOT), argsForNotFunction)),
-                false, null);
+        argsForNotFunction.add(new MutableObject<>(
+                new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.IS_MISSING), args)));
+        SelectOperator selectOp = new SelectOperator(new MutableObject<>(new ScalarFunctionCallExpression(
+                FunctionUtil.getFunctionInfo(BuiltinFunctions.NOT), argsForNotFunction)), false, null);
         currentOpRef.getValue().getInputs().add(new MutableObject<>(selectOp));
 
         selectOp.getInputs().add(new MutableObject<>(new NestedTupleSourceOperator(new MutableObject<>(groupbyOp))));
@@ -464,8 +459,8 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
 
         // Recursively applys this rule to the nested plan of the subplan operator,
         // for the case where there are nested subplan operators within {@code subplanOp}.
-        Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> result = rewriteSubplanOperator(rightInputOpRef,
-                context);
+        Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> result =
+                rewriteSubplanOperator(rightInputOpRef, context);
         VariableUtilities.substituteVariables(leftOuterJoinOp, result.second, context);
         VariableUtilities.substituteVariables(groupbyOp, result.second, context);
 
@@ -474,29 +469,28 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
     }
 
     private Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> applySpecialFlattening(
-            Mutable<ILogicalOperator> opRef,
-            IOptimizationContext context) throws AlgebricksException {
+            Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
         SubplanOperator subplanOp = (SubplanOperator) opRef.getValue();
         Mutable<ILogicalOperator> inputOpRef = subplanOp.getInputs().get(0);
         LinkedHashMap<LogicalVariable, LogicalVariable> replacedVarMap = new LinkedHashMap<>();
 
         // Recursively applies this rule to the nested plan of the subplan operator,
         // for the case where there are nested subplan operators within {@code subplanOp}.
-        Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> result = rewriteSubplanOperator(
-                subplanOp.getNestedPlans().get(0).getRoots().get(0), context);
+        Pair<Boolean, LinkedHashMap<LogicalVariable, LogicalVariable>> result =
+                rewriteSubplanOperator(subplanOp.getNestedPlans().get(0).getRoots().get(0), context);
 
         ILogicalOperator inputOpBackup = inputOpRef.getValue();
         // Gets live variables and covering variables from the subplan's input operator.
-        Pair<ILogicalOperator, Set<LogicalVariable>> primaryOpAndVars = EquivalenceClassUtils
-                .findOrCreatePrimaryKeyOpAndVariables(inputOpBackup, false, context);
+        Pair<ILogicalOperator, Set<LogicalVariable>> primaryOpAndVars =
+                EquivalenceClassUtils.findOrCreatePrimaryKeyOpAndVariables(inputOpBackup, false, context);
         ILogicalOperator inputOp = primaryOpAndVars.first;
         Set<LogicalVariable> primaryKeyVars = primaryOpAndVars.second;
         inputOpRef.setValue(inputOp);
         Set<LogicalVariable> liveVars = new HashSet<>();
         VariableUtilities.getLiveVariables(inputOp, liveVars);
 
-        Pair<Set<LogicalVariable>, Mutable<ILogicalOperator>> notNullVarsAndTopJoinRef = SubplanFlatteningUtil
-                .inlineLeftNtsInSubplanJoin(subplanOp, context);
+        Pair<Set<LogicalVariable>, Mutable<ILogicalOperator>> notNullVarsAndTopJoinRef =
+                SubplanFlatteningUtil.inlineLeftNtsInSubplanJoin(subplanOp, context);
         if (notNullVarsAndTopJoinRef.first == null) {
             inputOpRef.setValue(inputOpBackup);
             return new Pair<>(false, replacedVarMap);
@@ -506,8 +500,10 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
         Mutable<ILogicalOperator> topJoinRef = notNullVarsAndTopJoinRef.second;
 
         // Creates a group-by operator.
-        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByList = new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
-        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByDecorList = new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
+        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByList =
+                new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
+        List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> groupByDecorList =
+                new ArrayList<Pair<LogicalVariable, Mutable<ILogicalExpression>>>();
         GroupByOperator groupbyOp = new GroupByOperator(groupByList, groupByDecorList, subplanOp.getNestedPlans());
 
         for (LogicalVariable coverVar : primaryKeyVars) {
@@ -529,8 +525,8 @@ public class InlineSubplanInputForNestedTupleSourceRule implements IAlgebraicRew
             // subplan input tuples that are filtered out within a subplan.
             List<Mutable<ILogicalExpression>> nullCheckExprRefs = new ArrayList<>();
             for (LogicalVariable notNullVar : notNullVars) {
-                Mutable<ILogicalExpression> filterVarExpr = new MutableObject<>(
-                        new VariableReferenceExpression(notNullVar));
+                Mutable<ILogicalExpression> filterVarExpr =
+                        new MutableObject<>(new VariableReferenceExpression(notNullVar));
                 List<Mutable<ILogicalExpression>> args = new ArrayList<>();
                 args.add(filterVarExpr);
                 List<Mutable<ILogicalExpression>> argsForNotFunction = new ArrayList<>();

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/SubplanFlatteningUtil.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/SubplanFlatteningUtil.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/SubplanFlatteningUtil.java
index 377e96d..dba5d47 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/SubplanFlatteningUtil.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/subplan/SubplanFlatteningUtil.java
@@ -91,16 +91,16 @@ class SubplanFlatteningUtil {
      */
     public static Pair<Set<LogicalVariable>, Mutable<ILogicalOperator>> inlineLeftNtsInSubplanJoin(
             SubplanOperator subplanOp, IOptimizationContext context) throws AlgebricksException {
-        Pair<Boolean, ILogicalOperator> applicableAndNtsToRewrite = SubplanFlatteningUtil
-                .isQualifiedForSpecialFlattening(subplanOp);
+        Pair<Boolean, ILogicalOperator> applicableAndNtsToRewrite =
+                SubplanFlatteningUtil.isQualifiedForSpecialFlattening(subplanOp);
         if (!applicableAndNtsToRewrite.first) {
             return new Pair<Set<LogicalVariable>, Mutable<ILogicalOperator>>(null, null);
         }
 
         ILogicalOperator qualifiedNts = applicableAndNtsToRewrite.second;
         ILogicalOperator subplanInputOp = subplanOp.getInputs().get(0).getValue();
-        InlineLeftNtsInSubplanJoinFlatteningVisitor specialVisitor = new InlineLeftNtsInSubplanJoinFlatteningVisitor(
-                context, subplanInputOp, qualifiedNts);
+        InlineLeftNtsInSubplanJoinFlatteningVisitor specialVisitor =
+                new InlineLeftNtsInSubplanJoinFlatteningVisitor(context, subplanInputOp, qualifiedNts);
 
         // Rewrites the query plan.
         Mutable<ILogicalOperator> topRef = subplanOp.getNestedPlans().get(0).getRoots().get(0);
@@ -157,7 +157,7 @@ class SubplanFlatteningUtil {
         }
         if (currentOp.getOperatorTag() == LogicalOperatorTag.SUBPLAN
                 && containsOperators((SubplanOperator) currentOp, interestedOperatorTags)) {
-                return true;
+            return true;
         }
         for (Mutable<ILogicalOperator> childRef : currentOp.getInputs()) {
             if (containsOperatorsInternal(childRef.getValue(), interestedOperatorTags)) {

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/temporal/TranslateIntervalExpressionRule.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/temporal/TranslateIntervalExpressionRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/temporal/TranslateIntervalExpressionRule.java
index c7ceefd..0d53a19 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/temporal/TranslateIntervalExpressionRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/temporal/TranslateIntervalExpressionRule.java
@@ -106,66 +106,66 @@ public class TranslateIntervalExpressionRule implements IAlgebraicRewriteRule {
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_MET_BY)) {
             exprRef.setValue(getEqualExpr(getIntervalStartExpr(interval1), getIntervalEndExpr(interval2)));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_STARTS)) {
-            ILogicalExpression startExpr = getEqualExpr(getIntervalStartExpr(interval1),
-                    getIntervalStartExpr(interval2));
-            ILogicalExpression endExpr = getLessThanOrEqualExpr(getIntervalEndExpr(interval1),
-                    getIntervalEndExpr(interval2));
+            ILogicalExpression startExpr =
+                    getEqualExpr(getIntervalStartExpr(interval1), getIntervalStartExpr(interval2));
+            ILogicalExpression endExpr =
+                    getLessThanOrEqualExpr(getIntervalEndExpr(interval1), getIntervalEndExpr(interval2));
             exprRef.setValue(getAndExpr(startExpr, endExpr));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_STARTED_BY)) {
-            ILogicalExpression startExpr = getEqualExpr(getIntervalStartExpr(interval1),
-                    getIntervalStartExpr(interval2));
-            ILogicalExpression endExpr = getLessThanOrEqualExpr(getIntervalEndExpr(interval2),
-                    getIntervalEndExpr(interval1));
+            ILogicalExpression startExpr =
+                    getEqualExpr(getIntervalStartExpr(interval1), getIntervalStartExpr(interval2));
+            ILogicalExpression endExpr =
+                    getLessThanOrEqualExpr(getIntervalEndExpr(interval2), getIntervalEndExpr(interval1));
             exprRef.setValue(getAndExpr(startExpr, endExpr));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_ENDS)) {
             ILogicalExpression endExpr = getEqualExpr(getIntervalEndExpr(interval1), getIntervalEndExpr(interval2));
-            ILogicalExpression startExpr = getLessThanOrEqualExpr(getIntervalStartExpr(interval1),
-                    getIntervalStartExpr(interval2));
+            ILogicalExpression startExpr =
+                    getLessThanOrEqualExpr(getIntervalStartExpr(interval1), getIntervalStartExpr(interval2));
             exprRef.setValue(getAndExpr(startExpr, endExpr));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_ENDED_BY)) {
             ILogicalExpression endExpr = getEqualExpr(getIntervalEndExpr(interval1), getIntervalEndExpr(interval2));
-            ILogicalExpression startExpr = getLessThanOrEqualExpr(getIntervalStartExpr(interval2),
-                    getIntervalStartExpr(interval1));
+            ILogicalExpression startExpr =
+                    getLessThanOrEqualExpr(getIntervalStartExpr(interval2), getIntervalStartExpr(interval1));
             exprRef.setValue(getAndExpr(startExpr, endExpr));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_BEFORE)) {
             exprRef.setValue(getLessThanExpr(getIntervalEndExpr(interval1), getIntervalStartExpr(interval2)));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_AFTER)) {
             exprRef.setValue(getGreaterThanExpr(getIntervalStartExpr(interval1), getIntervalEndExpr(interval2)));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_OVERLAPS)) {
-            ILogicalExpression expr1 = getLessThanExpr(getIntervalStartExpr(interval1),
-                    getIntervalStartExpr(interval2));
+            ILogicalExpression expr1 =
+                    getLessThanExpr(getIntervalStartExpr(interval1), getIntervalStartExpr(interval2));
             ILogicalExpression expr2 = getGreaterThanExpr(getIntervalEndExpr(interval2), getIntervalEndExpr(interval1));
-            ILogicalExpression expr3 = getGreaterThanExpr(getIntervalEndExpr(interval1),
-                    getIntervalStartExpr(interval2));
+            ILogicalExpression expr3 =
+                    getGreaterThanExpr(getIntervalEndExpr(interval1), getIntervalStartExpr(interval2));
             exprRef.setValue(getAndExpr(getAndExpr(expr1, expr2), expr3));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_OVERLAPPED_BY)) {
-            ILogicalExpression expr1 = getLessThanExpr(getIntervalStartExpr(interval2),
-                    getIntervalStartExpr(interval1));
+            ILogicalExpression expr1 =
+                    getLessThanExpr(getIntervalStartExpr(interval2), getIntervalStartExpr(interval1));
             ILogicalExpression expr2 = getGreaterThanExpr(getIntervalEndExpr(interval1), getIntervalEndExpr(interval2));
-            ILogicalExpression expr3 = getGreaterThanExpr(getIntervalEndExpr(interval2),
-                    getIntervalStartExpr(interval1));
+            ILogicalExpression expr3 =
+                    getGreaterThanExpr(getIntervalEndExpr(interval2), getIntervalStartExpr(interval1));
             exprRef.setValue(getAndExpr(getAndExpr(expr1, expr2), expr3));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_OVERLAPPING)) {
-            ILogicalExpression startExpr = getLessThanOrEqualExpr(getIntervalStartExpr(interval1),
-                    getIntervalEndExpr(interval2));
-            ILogicalExpression endExpr = getGreaterThanOrEqualExpr(getIntervalEndExpr(interval1),
-                    getIntervalStartExpr(interval2));
-            ILogicalExpression startPointExpr = getNotEqualExpr(getIntervalEndExpr(interval1),
-                    getIntervalStartExpr(interval2));
-            ILogicalExpression endPointExpr = getNotEqualExpr(getIntervalStartExpr(interval1),
-                    getIntervalEndExpr(interval2));
+            ILogicalExpression startExpr =
+                    getLessThanOrEqualExpr(getIntervalStartExpr(interval1), getIntervalEndExpr(interval2));
+            ILogicalExpression endExpr =
+                    getGreaterThanOrEqualExpr(getIntervalEndExpr(interval1), getIntervalStartExpr(interval2));
+            ILogicalExpression startPointExpr =
+                    getNotEqualExpr(getIntervalEndExpr(interval1), getIntervalStartExpr(interval2));
+            ILogicalExpression endPointExpr =
+                    getNotEqualExpr(getIntervalStartExpr(interval1), getIntervalEndExpr(interval2));
             exprRef.setValue(getAndExpr(getAndExpr(startExpr, endExpr), getAndExpr(startPointExpr, endPointExpr)));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_COVERS)) {
-            ILogicalExpression startExpr = getLessThanOrEqualExpr(getIntervalStartExpr(interval1),
-                    getIntervalStartExpr(interval2));
-            ILogicalExpression endExpr = getGreaterThanOrEqualExpr(getIntervalEndExpr(interval1),
-                    getIntervalEndExpr(interval2));
+            ILogicalExpression startExpr =
+                    getLessThanOrEqualExpr(getIntervalStartExpr(interval1), getIntervalStartExpr(interval2));
+            ILogicalExpression endExpr =
+                    getGreaterThanOrEqualExpr(getIntervalEndExpr(interval1), getIntervalEndExpr(interval2));
             exprRef.setValue(getAndExpr(startExpr, endExpr));
         } else if (funcExpr.getFunctionIdentifier().equals(BuiltinFunctions.INTERVAL_COVERED_BY)) {
-            ILogicalExpression startExpr = getLessThanOrEqualExpr(getIntervalStartExpr(interval2),
-                    getIntervalStartExpr(interval1));
-            ILogicalExpression endExpr = getGreaterThanOrEqualExpr(getIntervalEndExpr(interval2),
-                    getIntervalEndExpr(interval1));
+            ILogicalExpression startExpr =
+                    getLessThanOrEqualExpr(getIntervalStartExpr(interval2), getIntervalStartExpr(interval1));
+            ILogicalExpression endExpr =
+                    getGreaterThanOrEqualExpr(getIntervalEndExpr(interval2), getIntervalEndExpr(interval1));
             exprRef.setValue(getAndExpr(startExpr, endExpr));
         } else {
             return false;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/util/EquivalenceClassUtils.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/util/EquivalenceClassUtils.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/util/EquivalenceClassUtils.java
index 9b5654a..82d963d 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/util/EquivalenceClassUtils.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/util/EquivalenceClassUtils.java
@@ -121,8 +121,8 @@ public class EquivalenceClassUtils {
                     new MutableObject<ILogicalExpression>(new VariableReferenceExpression(referredRecordVar)),
                     new MutableObject<ILogicalExpression>(
                             new ConstantExpression(new AsterixConstantValue(new AInt32(fieldIndexInRecord)))));
-            EquivalenceClass equivClass = new EquivalenceClass(Collections.singletonList(var), var,
-                    Collections.singletonList(expr));
+            EquivalenceClass equivClass =
+                    new EquivalenceClass(Collections.singletonList(var), var, Collections.singletonList(expr));
             Map<LogicalVariable, EquivalenceClass> equivalenceMap = context.getEquivalenceClassMap(operator);
             if (equivalenceMap == null) {
                 equivalenceMap = new HashMap<LogicalVariable, EquivalenceClass>();
@@ -148,7 +148,7 @@ public class EquivalenceClassUtils {
      */
     public static Pair<ILogicalOperator, Set<LogicalVariable>> findOrCreatePrimaryKeyOpAndVariables(
             ILogicalOperator operator, boolean usedForCorrelationJoin, IOptimizationContext context)
-                    throws AlgebricksException {
+            throws AlgebricksException {
         computePrimaryKeys(operator, context);
 
         Set<LogicalVariable> liveVars = new HashSet<>();

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
index ae60c71..acf2908 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AbstractLangTranslator.java
@@ -157,8 +157,8 @@ public abstract class AbstractLangTranslator {
                 if (hints != null && !hints.isEmpty()) {
                     StringBuilder errorMsgBuffer = new StringBuilder();
                     for (Entry<String, String> hint : hints.entrySet()) {
-                        Pair<Boolean, String> validationResult = DatasetHints.validate(appCtx, hint.getKey(),
-                                hint.getValue());
+                        Pair<Boolean, String> validationResult =
+                                DatasetHints.validate(appCtx, hint.getKey(), hint.getValue());
                         if (!validationResult.first) {
                             errorMsgBuffer.append("Dataset: ").append(datasetStmt.getName().getValue())
                                     .append(" error in processing hint: ").append(hint.getKey()).append(" ")

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AqlPlusExpressionToPlanTranslator.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AqlPlusExpressionToPlanTranslator.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AqlPlusExpressionToPlanTranslator.java
index 18304b3..531de59 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AqlPlusExpressionToPlanTranslator.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/AqlPlusExpressionToPlanTranslator.java
@@ -144,7 +144,6 @@ public class AqlPlusExpressionToPlanTranslator extends AqlExpressionToPlanTransl
         return new Pair<ILogicalOperator, LogicalVariable>(a, var);
     }
 
-
     public void addVariableToMetaScope(Identifier id, LogicalVariable var) {
         metaScopeExp.put(id, var);
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
index 2b83158..a3d3ac9 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/LangExpressionToPlanTranslator.java
@@ -837,8 +837,8 @@ class LangExpressionToPlanTranslator
         if (gc.hasGroupVar()) {
             VariableExpr groupVar = gc.getGroupVar();
             LogicalVariable groupLogicalVar = context.newVar();
-            ILogicalPlan nestedPlan = createNestedPlanWithAggregate(groupLogicalVar,
-                    BuiltinFunctions.LISTIFY, new VariableReferenceExpression(groupRecordVar),
+            ILogicalPlan nestedPlan = createNestedPlanWithAggregate(groupLogicalVar, BuiltinFunctions.LISTIFY,
+                    new VariableReferenceExpression(groupRecordVar),
                     new MutableObject<>(new NestedTupleSourceOperator(new MutableObject<>(gOp))));
             gOp.getNestedPlans().add(nestedPlan);
             context.setVar(groupVar, groupLogicalVar);
@@ -851,8 +851,8 @@ class LangExpressionToPlanTranslator
                 Pair<ILogicalExpression, Mutable<ILogicalOperator>> listifyInput = langExprToAlgExpression(withExpr,
                         new MutableObject<>(new NestedTupleSourceOperator(new MutableObject<>(gOp))));
                 LogicalVariable withLogicalVar = context.newVar();
-                ILogicalPlan nestedPlan = createNestedPlanWithAggregate(withLogicalVar,
-                        BuiltinFunctions.LISTIFY, listifyInput.first, listifyInput.second);
+                ILogicalPlan nestedPlan = createNestedPlanWithAggregate(withLogicalVar, BuiltinFunctions.LISTIFY,
+                        listifyInput.first, listifyInput.second);
                 gOp.getNestedPlans().add(nestedPlan);
                 context.setVar(withVar, withLogicalVar);
             }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SessionConfig.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SessionConfig.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SessionConfig.java
index 1160aaa..cb6d8e5 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SessionConfig.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SessionConfig.java
@@ -61,10 +61,8 @@ public class SessionConfig implements Serializable {
         public static PlanFormat get(String fmtString, String label, PlanFormat defaultFmt, Logger logger) {
             try {
                 if (fmtString != null) {
-                    String format =
-                            ("JSON".equalsIgnoreCase(fmtString) || "CLEAN_JSON".equalsIgnoreCase(fmtString))
-                                    ? "JSON"
-                                    : fmtString;
+                    String format = ("JSON".equalsIgnoreCase(fmtString) || "CLEAN_JSON".equalsIgnoreCase(fmtString))
+                            ? "JSON" : fmtString;
                     return PlanFormat.valueOf(format);
                 }
             } catch (IllegalArgumentException e) {
@@ -168,6 +166,7 @@ public class SessionConfig implements Serializable {
     public SessionConfig(OutputFormat fmt, boolean optimize, boolean executeQuery, boolean generateJobSpec) {
         this(fmt, optimize, executeQuery, generateJobSpec, PlanFormat.STRING);
     }
+
     public SessionConfig(OutputFormat fmt, boolean optimize, boolean executeQuery, boolean generateJobSpec,
             PlanFormat lpfmt) {
         this.fmt = fmt;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SqlppExpressionToPlanTranslator.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SqlppExpressionToPlanTranslator.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SqlppExpressionToPlanTranslator.java
index 36183c6..200cc6f 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SqlppExpressionToPlanTranslator.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/SqlppExpressionToPlanTranslator.java
@@ -345,8 +345,8 @@ class SqlppExpressionToPlanTranslator extends LangExpressionToPlanTranslator imp
             }
 
             // Adds an aggregate operator to listfy unnest variables.
-            AggregateFunctionCallExpression fListify = BuiltinFunctions
-                    .makeAggregateFunctionExpression(BuiltinFunctions.LISTIFY, mkSingletonArrayList(
+            AggregateFunctionCallExpression fListify =
+                    BuiltinFunctions.makeAggregateFunctionExpression(BuiltinFunctions.LISTIFY, mkSingletonArrayList(
                             new MutableObject<ILogicalExpression>(new VariableReferenceExpression(varToListify))));
 
             LogicalVariable aggVar = context.newSubplanOutputVar();
@@ -510,8 +510,8 @@ class SqlppExpressionToPlanTranslator extends LangExpressionToPlanTranslator imp
 
                 // A "THEN" branch can be entered only when the tuple has not enter any other preceding
                 // branches and the current "WHEN" condition is TRUE.
-                branchEntraceConditionExprRef = new MutableObject<>(new ScalarFunctionCallExpression(
-                        FunctionUtil.getFunctionInfo(BuiltinFunctions.AND), andArgs));
+                branchEntraceConditionExprRef = new MutableObject<>(
+                        new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.AND), andArgs));
             }
 
             // Translates the corresponding "THEN" expression.
@@ -539,8 +539,8 @@ class SqlppExpressionToPlanTranslator extends LangExpressionToPlanTranslator imp
             arguments.add(new MutableObject<>(argVar));
         }
         arguments.add(new MutableObject<>(new VariableReferenceExpression(opAndVarForElse.second)));
-        AbstractFunctionCallExpression swithCaseExpr = new ScalarFunctionCallExpression(
-                FunctionUtil.getFunctionInfo(BuiltinFunctions.SWITCH_CASE), arguments);
+        AbstractFunctionCallExpression swithCaseExpr =
+                new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.SWITCH_CASE), arguments);
         AssignOperator assignOp = new AssignOperator(selectVar, new MutableObject<>(swithCaseExpr));
         assignOp.getInputs().add(new MutableObject<>(opAndVarForElse.first));
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/TranslationContext.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/TranslationContext.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/TranslationContext.java
index 1344e0c..33653ad 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/TranslationContext.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/TranslationContext.java
@@ -97,7 +97,6 @@ public final class TranslationContext implements IVariableContext {
         return var;
     }
 
-
     public void setVar(VariableExpr v, LogicalVariable var) {
         currentVarMap.put(v.getVar().getId(), var);
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/PlanTranslationUtil.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/PlanTranslationUtil.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/PlanTranslationUtil.java
index 5e70baf..919bdf2 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/PlanTranslationUtil.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/PlanTranslationUtil.java
@@ -44,8 +44,8 @@ public class PlanTranslationUtil {
             List<Mutable<ILogicalExpression>> assignExpressions, List<LogicalVariable> vars,
             List<Mutable<ILogicalExpression>> varRefs, IVariableContext context) {
         IAObject value = (field.size() > 1) ? new AOrderedList(field) : new AString(field.get(0));
-        ScalarFunctionCallExpression metaKeyFunction = new ScalarFunctionCallExpression(
-                FunctionUtil.getFunctionInfo(BuiltinFunctions.META_KEY));
+        ScalarFunctionCallExpression metaKeyFunction =
+                new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.META_KEY));
         metaKeyFunction.getArguments()
                 .add(new MutableObject<ILogicalExpression>(new VariableReferenceExpression(resVar)));
         metaKeyFunction.getArguments()

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/ValidateUtil.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/ValidateUtil.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/ValidateUtil.java
index cda9dd3..4b4b2b0 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/ValidateUtil.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/translator/util/ValidateUtil.java
@@ -178,9 +178,9 @@ public class ValidateUtil {
      *            the type of the index that its key fields is being validated
      * @throws AlgebricksException
      */
-    public static void validateKeyFields(ARecordType recType, ARecordType metaRecType,
-            List<List<String>> keyFieldNames, List<Integer> keySourceIndicators, List<IAType> keyFieldTypes,
-            IndexType indexType) throws AlgebricksException {
+    public static void validateKeyFields(ARecordType recType, ARecordType metaRecType, List<List<String>> keyFieldNames,
+            List<Integer> keySourceIndicators, List<IAType> keyFieldTypes, IndexType indexType)
+            throws AlgebricksException {
         List<IAType> fieldTypes =
                 KeyFieldTypeUtil.getKeyTypes(recType, metaRecType, keyFieldNames, keySourceIndicators);
         int pos = 0;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
index b0edb3e..0f91275 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/common/APIFramework.java
@@ -350,12 +350,10 @@ public class APIFramework {
             // Sets a required capacity, only for read-only queries.
             // DDLs and DMLs are considered not that frequent.
             // limit the computation locations to the locations that will be used in the query
-            final AlgebricksAbsolutePartitionConstraint jobLocations =
-                    getJobLocations(spec, metadataProvider.getApplicationContext().getNodeJobTracker(),
-                            computationLocations);
-            final IClusterCapacity jobRequiredCapacity = ResourceUtils
-                    .getRequiredCapacity(plan, jobLocations, sortFrameLimit, groupFrameLimit, joinFrameLimit,
-                            frameSize);
+            final AlgebricksAbsolutePartitionConstraint jobLocations = getJobLocations(spec,
+                    metadataProvider.getApplicationContext().getNodeJobTracker(), computationLocations);
+            final IClusterCapacity jobRequiredCapacity = ResourceUtils.getRequiredCapacity(plan, jobLocations,
+                    sortFrameLimit, groupFrameLimit, joinFrameLimit, frameSize);
             spec.setRequiredClusterCapacity(jobRequiredCapacity);
         }
 
@@ -512,8 +510,7 @@ public class APIFramework {
     public static AlgebricksAbsolutePartitionConstraint getJobLocations(JobSpecification spec,
             INodeJobTracker jobTracker, AlgebricksAbsolutePartitionConstraint clusterLocations) {
         final Set<String> jobParticipatingNodes = jobTracker.getJobParticipatingNodes(spec);
-        return new AlgebricksAbsolutePartitionConstraint(
-                Arrays.stream(clusterLocations.getLocations()).filter(jobParticipatingNodes::contains)
-                        .toArray(String[]::new));
+        return new AlgebricksAbsolutePartitionConstraint(Arrays.stream(clusterLocations.getLocations())
+                .filter(jobParticipatingNodes::contains).toArray(String[]::new));
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
index df2a2a1..63896f2 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ApiServlet.java
@@ -90,11 +90,11 @@ public class ApiServlet extends AbstractServlet {
         this.componentProvider = componentProvider;
     }
 
-    @Override protected void post(IServletRequest request, IServletResponse response) {
+    @Override
+    protected void post(IServletRequest request, IServletResponse response) {
         // Query language
-        ILangCompilationProvider compilationProvider = "AQL".equals(request.getParameter("query-language")) ?
-                aqlCompilationProvider :
-                sqlppCompilationProvider;
+        ILangCompilationProvider compilationProvider = "AQL".equals(request.getParameter("query-language"))
+                ? aqlCompilationProvider : sqlppCompilationProvider;
         IParserFactory parserFactory = compilationProvider.getParserFactory();
 
         // Output format.
@@ -150,14 +150,12 @@ public class ApiServlet extends AbstractServlet {
             }
             IParser parser = parserFactory.createParser(query);
             List<Statement> aqlStatements = parser.parse();
-            SessionConfig sessionConfig =
-                    new SessionConfig(format, true, isSet(executeQuery), true, planFormat);
+            SessionConfig sessionConfig = new SessionConfig(format, true, isSet(executeQuery), true, planFormat);
             sessionConfig.set(SessionConfig.FORMAT_HTML, true);
             sessionConfig.set(SessionConfig.FORMAT_CSV_HEADER, csvAndHeader);
             sessionConfig.set(SessionConfig.FORMAT_WRAPPER_ARRAY, isSet(wrapperArray));
-            sessionConfig
-                    .setOOBData(isSet(printExprParam), isSet(printRewrittenExprParam), isSet(printLogicalPlanParam),
-                            isSet(printOptimizedLogicalPlanParam), isSet(printJob));
+            sessionConfig.setOOBData(isSet(printExprParam), isSet(printRewrittenExprParam),
+                    isSet(printLogicalPlanParam), isSet(printOptimizedLogicalPlanParam), isSet(printJob));
             SessionOutput sessionOutput = new SessionOutput(sessionConfig, out);
             MetadataManager.INSTANCE.init();
             IStatementExecutor translator = statementExectorFactory.create(appCtx, aqlStatements, sessionOutput,
@@ -232,8 +230,8 @@ public class ApiServlet extends AbstractServlet {
             try {
                 line = br.readLine();
             } catch (NullPointerException e) {
-                LOGGER.log(Level.WARN,
-                        "NPE reading resource " + resourcePath + ", assuming JDK-8080094; returning 404", e);
+                LOGGER.log(Level.WARN, "NPE reading resource " + resourcePath + ", assuming JDK-8080094; returning 404",
+                        e);
                 // workaround lame JDK bug where a broken InputStream is returned in case the resourcePath is a
                 // directory; see https://bugs.openjdk.java.net/browse/JDK-8080094
                 response.setStatus(HttpResponseStatus.NOT_FOUND);

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/DiagnosticsApiServlet.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/DiagnosticsApiServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/DiagnosticsApiServlet.java
index f7f8385..0f08a22 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/DiagnosticsApiServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/DiagnosticsApiServlet.java
@@ -119,10 +119,10 @@ public class DiagnosticsApiServlet extends NodeControllerDetailsApiServlet {
         ccFutureData = new HashMap<>();
         ccFutureData.put("threaddump",
                 executor.submit(() -> fixupKeys((ObjectNode) OBJECT_MAPPER.readTree(processThreadDump(null)))));
-        ccFutureData.put("config", executor.submit(
-                () -> fixupKeys((ObjectNode) OBJECT_MAPPER.readTree(processNodeDetails(null, false, true)))));
-        ccFutureData.put("stats", executor.submit(
-                () -> fixupKeys((ObjectNode) OBJECT_MAPPER.readTree(processNodeDetails(null, true, false)))));
+        ccFutureData.put("config", executor
+                .submit(() -> fixupKeys((ObjectNode) OBJECT_MAPPER.readTree(processNodeDetails(null, false, true)))));
+        ccFutureData.put("stats", executor
+                .submit(() -> fixupKeys((ObjectNode) OBJECT_MAPPER.readTree(processNodeDetails(null, true, false)))));
         return ccFutureData;
     }
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryCancellationServlet.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryCancellationServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryCancellationServlet.java
index 6c94344..8fd40b3 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryCancellationServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryCancellationServlet.java
@@ -54,8 +54,8 @@ public class QueryCancellationServlet extends AbstractServlet {
         }
 
         // Retrieves the corresponding Hyracks job id.
-        IStatementExecutorContext runningQueries = (IStatementExecutorContext) ctx
-                .get(ServletConstants.RUNNING_QUERIES_ATTR);
+        IStatementExecutorContext runningQueries =
+                (IStatementExecutorContext) ctx.get(ServletConstants.RUNNING_QUERIES_ATTR);
         IHyracksClientConnection hcc = (IHyracksClientConnection) ctx.get(ServletConstants.HYRACKS_CONNECTION_ATTR);
         JobId jobId = runningQueries.getJobIdFromClientContextId(clientContextId);
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryServiceServlet.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryServiceServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryServiceServlet.java
index 23a7ba7..1057a73 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryServiceServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/QueryServiceServlet.java
@@ -125,7 +125,7 @@ public class QueryServiceServlet extends AbstractQueryApiServlet {
     @Override
     protected void options(IServletRequest request, IServletResponse response) throws Exception {
         response.setHeader("Access-Control-Allow-Origin",
-            "http://" + hostName + ":" + appCtx.getExternalProperties().getQueryWebInterfacePort());
+                "http://" + hostName + ":" + appCtx.getExternalProperties().getQueryWebInterfacePort());
         response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
         response.setStatus(HttpResponseStatus.OK);
     }
@@ -453,9 +453,8 @@ public class QueryServiceServlet extends AbstractQueryApiServlet {
 
         ResultDelivery delivery = parseResultDelivery(param.mode);
 
-        final ResultProperties resultProperties = param.maxResultReads == null ?
-                new ResultProperties(delivery) :
-                new ResultProperties(delivery, Long.parseLong(param.maxResultReads));
+        final ResultProperties resultProperties = param.maxResultReads == null ? new ResultProperties(delivery)
+                : new ResultProperties(delivery, Long.parseLong(param.maxResultReads));
 
         String handleUrl = getHandleUrl(param.host, param.path, delivery);
         SessionOutput sessionOutput = createSessionOutput(param, handleUrl, httpWriter);
@@ -526,9 +525,8 @@ public class QueryServiceServlet extends AbstractQueryApiServlet {
         IStatementExecutor translator = statementExecutorFactory.create((ICcApplicationContext) appCtx, statements,
                 sessionOutput, compilationProvider, componentProvider);
         execution.start();
-        final IRequestParameters requestParameters =
-                new org.apache.asterix.app.translator.RequestParameters(getHyracksDataset(), resultProperties, stats,
-                        null, param.clientContextID, optionalParameters);
+        final IRequestParameters requestParameters = new org.apache.asterix.app.translator.RequestParameters(
+                getHyracksDataset(), resultProperties, stats, null, param.clientContextID, optionalParameters);
         translator.compileAndExecute(getHyracksClientConnection(), queryCtx, requestParameters);
         execution.end();
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/RestApiServlet.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/RestApiServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/RestApiServlet.java
index 360c522..428a4e0 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/RestApiServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/RestApiServlet.java
@@ -209,9 +209,8 @@ public abstract class RestApiServlet extends AbstractServlet {
             MetadataManager.INSTANCE.init();
             IStatementExecutor translator = statementExecutorFactory.create(appCtx, aqlStatements, sessionOutput,
                     compilationProvider, componentProvider);
-            final IRequestParameters requestParameters =
-                    new RequestParameters(hds, new ResultProperties(resultDelivery), new IStatementExecutor.Stats(),
-                            null, null, null);
+            final IRequestParameters requestParameters = new RequestParameters(hds,
+                    new ResultProperties(resultDelivery), new IStatementExecutor.Stats(), null, null, null);
             translator.compileAndExecute(hcc, null, requestParameters);
         } catch (AsterixException | TokenMgrError | org.apache.asterix.aqlplus.parser.TokenMgrError pe) {
             response.setStatus(HttpResponseStatus.INTERNAL_SERVER_ERROR);

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ResultUtil.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ResultUtil.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ResultUtil.java
index aace681..ec128c2 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ResultUtil.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/server/ResultUtil.java
@@ -54,9 +54,9 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 
 public class ResultUtil {
     private static final Logger LOGGER = LogManager.getLogger();
-    public static final List<Pair<Character, String>> HTML_ENTITIES = Collections.unmodifiableList(
-            Arrays.asList(Pair.of('&', "&amp;"), Pair.of('"', "&quot;"), Pair.of('<', "&lt;"), Pair.of('>', "&gt;"),
-                    Pair.of('\'', "&apos;")));
+    public static final List<Pair<Character, String>> HTML_ENTITIES =
+            Collections.unmodifiableList(Arrays.asList(Pair.of('&', "&amp;"), Pair.of('"', "&quot;"),
+                    Pair.of('<', "&lt;"), Pair.of('>', "&gt;"), Pair.of('\'', "&apos;")));
 
     private ResultUtil() {
     }
@@ -208,8 +208,8 @@ public class ResultUtil {
             errorCode = 4;
         }
 
-        ObjectNode errorResp = ResultUtil
-                .getErrorResponse(errorCode, extractErrorMessage(e), extractErrorSummary(e), extractFullStackTrace(e));
+        ObjectNode errorResp = ResultUtil.getErrorResponse(errorCode, extractErrorMessage(e), extractErrorSummary(e),
+                extractFullStackTrace(e));
         out.write(errorResp.toString());
     }
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/java/AsterixJavaClient.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/java/AsterixJavaClient.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/java/AsterixJavaClient.java
index 4ecd978..0e51953 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/java/AsterixJavaClient.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/java/AsterixJavaClient.java
@@ -94,8 +94,7 @@ public class AsterixJavaClient {
 
     public void compile(boolean optimize, boolean printRewrittenExpressions, boolean printLogicalPlan,
             boolean printOptimizedPlan, boolean printPhysicalOpsOnly, boolean generateBinaryRuntime, boolean printJob,
-            PlanFormat pformat)
-            throws Exception {
+            PlanFormat pformat) throws Exception {
         queryJobSpec = null;
         dmlJobs = null;
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
index da2c99a..b8ed03f 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
@@ -256,8 +256,7 @@ public class ActiveNotificationHandler extends SingleThreadEventProcessor<Active
         }
     }
 
-    public void resume(MetadataProvider mdProvider)
-            throws HyracksDataException, InterruptedException {
+    public void resume(MetadataProvider mdProvider) throws HyracksDataException, InterruptedException {
         LOGGER.log(level, "Resuming active events handler");
         for (IActiveEntityEventsListener listener : entityEventListeners.values()) {
             LOGGER.log(level, "Resuming " + listener.getEntityId());

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/FeedEventsListener.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/FeedEventsListener.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/FeedEventsListener.java
index c0ce6ec..fbf644f 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/FeedEventsListener.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/FeedEventsListener.java
@@ -67,8 +67,8 @@ public class FeedEventsListener extends ActiveEntityEventsListener {
     @Override
     public synchronized void remove(Dataset dataset) throws HyracksDataException {
         super.remove(dataset);
-        feedConnections.removeIf(o -> o.getDataverseName().equals(dataset.getDataverseName()) && o.getDatasetName()
-                .equals(dataset.getDatasetName()));
+        feedConnections.removeIf(o -> o.getDataverseName().equals(dataset.getDataverseName())
+                && o.getDatasetName().equals(dataset.getDatasetName()));
     }
 
     public synchronized void addFeedConnection(FeedConnection feedConnection) {
@@ -115,8 +115,8 @@ public class FeedEventsListener extends ActiveEntityEventsListener {
             // Construct ActiveMessage
             for (int i = 0; i < getLocations().getLocations().length; i++) {
                 String intakeLocation = getLocations().getLocations()[i];
-                FeedOperations
-                        .SendStopMessageToNode(metadataProvider.getApplicationContext(), entityId, intakeLocation, i);
+                FeedOperations.SendStopMessageToNode(metadataProvider.getApplicationContext(), entityId, intakeLocation,
+                        i);
             }
             eventSubscriber.sync();
         } catch (Exception e) {
@@ -126,8 +126,7 @@ public class FeedEventsListener extends ActiveEntityEventsListener {
     }
 
     @Override
-    protected void setRunning(MetadataProvider metadataProvider, boolean running)
-            throws HyracksDataException {
+    protected void setRunning(MetadataProvider metadataProvider, boolean running) throws HyracksDataException {
         // No op
     }
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/cb9ca975/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/external/ExternalLibraryClassLoader.java
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/external/ExternalLibraryClassLoader.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/external/ExternalLibraryClassLoader.java
index 711ac6d..9cf7584 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/external/ExternalLibraryClassLoader.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/external/ExternalLibraryClassLoader.java
@@ -23,7 +23,8 @@ import java.net.URLClassLoader;
 
 public class ExternalLibraryClassLoader extends URLClassLoader {
 
-    private static final ClassLoader bootClassLoader = new ClassLoader(null){};
+    private static final ClassLoader bootClassLoader = new ClassLoader(null) {
+    };
 
     public ExternalLibraryClassLoader(URL[] urls, ClassLoader parentClassLoader) {
         super(urls, parentClassLoader);