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

XMLMRPrinter(PrintStream ps, MROperPlan plan)

Method Summary

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