public class CombinerOptimizer extends MROpPlanVisitor
mCurrentWalker, mPlan| Constructor and Description |
|---|
CombinerOptimizer(MROperPlan plan,
boolean doMapAgg) |
CombinerOptimizer(MROperPlan plan,
boolean doMapAgg,
CompilationMessageCollector messageCollector) |
| Modifier and Type | Method and Description |
|---|---|
CompilationMessageCollector |
getMessageCollector() |
void |
visitMROp(MapReduceOper mr) |
getPlan, popWalker, pushWalker, visitpublic CombinerOptimizer(MROperPlan plan, boolean doMapAgg)
public CombinerOptimizer(MROperPlan plan, boolean doMapAgg, CompilationMessageCollector messageCollector)
public CompilationMessageCollector getMessageCollector()
public void visitMROp(MapReduceOper mr) throws VisitorException
visitMROp in class MROpPlanVisitorVisitorExceptionCopyright © 2007-2017 The Apache Software Foundation