org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans

Class XMLMRPrinter

java.lang.Object

org.apache.pig.impl.plan.PlanVisitor<MapReduceOper,MROperPlan>

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.MROpPlanVisitor

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.XMLMRPrinter

public class XMLMRPrinter
extends MROpPlanVisitor

A visitor mechanism printing out the logical plan.

Field Summary

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

mCurrentWalker, mPlan

Constructor Summary

Constructors

Constructor and Description
XMLMRPrinter(PrintStream ps, MROperPlan plan)

Method Summary

Modifier and Type	Method and Description
void	closePlan()
void	visitMROp(MapReduceOper mr)

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

XMLMRPrinter

public XMLMRPrinter(PrintStream ps,
                    MROperPlan plan)
             throws ParserConfigurationException

Parameters:

ps - PrintStream to output plan information to

plan - MR plan to print

Throws:

ParserConfigurationException

Method Detail

closePlan

public void closePlan()
               throws TransformerException

Throws:

TransformerException

visitMROp

public void visitMROp(MapReduceOper mr)
               throws VisitorException

Overrides:

visitMROp in class MROpPlanVisitor

Throws:

VisitorException