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

Class MRPrinter

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.MRPrinter

public class MRPrinter
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
MRPrinter(PrintStream ps, MROperPlan plan)

Method Summary

Modifier and Type	Method and Description
void	setVerbose(boolean verbose)
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

MRPrinter

public MRPrinter(PrintStream ps,
                 MROperPlan plan)

Parameters:

ps - PrintStream to output plan information to

plan - MR plan to print

Method Detail

setVerbose

public void setVerbose(boolean verbose)

visitMROp

public void visitMROp(MapReduceOper mr)
               throws VisitorException

Overrides:

visitMROp in class MROpPlanVisitor

Throws:

VisitorException