org.apache.pig.newplan

Class SubtreeDependencyOrderWalker

java.lang.Object

org.apache.pig.newplan.PlanWalker

org.apache.pig.newplan.DependencyOrderWalker

org.apache.pig.newplan.SubtreeDependencyOrderWalker

public class SubtreeDependencyOrderWalker
extends DependencyOrderWalker

Field Summary

Fields inherited from class org.apache.pig.newplan.PlanWalker

plan

Constructor Summary

Constructors

Constructor and Description
SubtreeDependencyOrderWalker(OperatorPlan plan)
SubtreeDependencyOrderWalker(OperatorPlan plan, Operator startNode)

Method Summary

Methods

Modifier and Type	Method and Description
void	walk(PlanVisitor visitor) Begin traversing the graph.

Methods inherited from class org.apache.pig.newplan.DependencyOrderWalker

doAllPredecessors, spawnChildWalker

Methods inherited from class org.apache.pig.newplan.PlanWalker

getPlan, setPlan

Methods inherited from class java.lang.Object

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

Constructor Detail

SubtreeDependencyOrderWalker

public SubtreeDependencyOrderWalker(OperatorPlan plan)

SubtreeDependencyOrderWalker

public SubtreeDependencyOrderWalker(OperatorPlan plan,
                            Operator startNode)

Method Detail

walk

public void walk(PlanVisitor visitor)
          throws FrontendException

Description copied from class: DependencyOrderWalker

Begin traversing the graph.

Overrides:

walk in class DependencyOrderWalker

Parameters:

visitor - Visitor this walker is being used by.

Throws:

FrontendException