org.apache.pig.backend.hadoop.executionengine.spark.optimizer

Class AccumulatorOptimizer

java.lang.Object

org.apache.pig.impl.plan.PlanVisitor<SparkOperator,SparkOperPlan>

org.apache.pig.backend.hadoop.executionengine.spark.plan.SparkOpPlanVisitor

org.apache.pig.backend.hadoop.executionengine.spark.optimizer.AccumulatorOptimizer

public class AccumulatorOptimizer
extends SparkOpPlanVisitor

A visitor to optimize plans that determines if a vertex plan can run in accumulative mode.

Field Summary

Fields inherited from class org.apache.pig.impl.plan.PlanVisitor

mCurrentWalker, mPlan

Constructor Summary

Constructors

Constructor and Description
AccumulatorOptimizer(SparkOperPlan plan)

Method Summary

Modifier and Type	Method and Description
void	visitSparkOp(SparkOperator sparkOperator)

Methods inherited from class org.apache.pig.impl.plan.PlanVisitor

getPlan, popWalker, pushWalker, visit

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AccumulatorOptimizer

public AccumulatorOptimizer(SparkOperPlan plan)

Method Detail

visitSparkOp

public void visitSparkOp(SparkOperator sparkOperator)
                  throws VisitorException

Overrides:

visitSparkOp in class SparkOpPlanVisitor

Throws:

VisitorException