org.apache.pig.backend.hadoop.executionengine.tez

Class TezDagBuilder

java.lang.Object

org.apache.pig.impl.plan.PlanVisitor<TezOperator,TezOperPlan>

org.apache.pig.backend.hadoop.executionengine.tez.plan.TezOpPlanVisitor

org.apache.pig.backend.hadoop.executionengine.tez.TezDagBuilder

public class TezDagBuilder
extends TezOpPlanVisitor

A visitor to construct DAG out of Tez plan.

Field Summary

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

mCurrentWalker, mPlan

Constructor Summary

Constructors

Constructor and Description
TezDagBuilder(PigContext pc, TezOperPlan plan, org.apache.tez.dag.api.DAG dag, Map<String,org.apache.hadoop.yarn.api.records.LocalResource> localResources)

Method Summary

Modifier and Type	Method and Description
void	avoidContainerReuseIfInputSplitInDisk()
boolean	shouldDisableDAGRecovery()
void	visitTezOp(TezOperator tezOp)

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

TezDagBuilder

public TezDagBuilder(PigContext pc,
                     TezOperPlan plan,
                     org.apache.tez.dag.api.DAG dag,
                     Map<String,org.apache.hadoop.yarn.api.records.LocalResource> localResources)

Method Detail

shouldDisableDAGRecovery

public boolean shouldDisableDAGRecovery()

avoidContainerReuseIfInputSplitInDisk

public void avoidContainerReuseIfInputSplitInDisk()
                                           throws IOException

Throws:

IOException

visitTezOp

public void visitTezOp(TezOperator tezOp)
                throws VisitorException

Overrides:

visitTezOp in class TezOpPlanVisitor

Throws:

VisitorException