org.apache.pig.newplan.logical.visitor
Class UDFFinder

java.lang.Object
  org.apache.pig.newplan.PlanVisitor
      org.apache.pig.newplan.logical.relational.LogicalRelationalNodesVisitor
          org.apache.pig.newplan.logical.visitor.UDFFinder

public class UDFFinder
extends LogicalRelationalNodesVisitor

Field Summary

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

currentWalker, DEFAULT_SCOPE, plan

Constructor Summary

UDFFinder(OperatorPlan plan)

Method Summary

List<UserFuncExpression>	getUDFList()
void	visit(LOForEach foreach)
void	visit(LOGenerate generate)

Methods inherited from class org.apache.pig.newplan.logical.relational.LogicalRelationalNodesVisitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

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

UDFFinder

public UDFFinder(OperatorPlan plan)
          throws FrontendException

Throws:

FrontendException

Method Detail

visit

public void visit(LOForEach foreach)
           throws FrontendException

Overrides:

visit in class LogicalRelationalNodesVisitor

Throws:

FrontendException

visit

public void visit(LOGenerate generate)
           throws FrontendException

Overrides:

visit in class LogicalRelationalNodesVisitor

Throws:

FrontendException

getUDFList

public List<UserFuncExpression> getUDFList()

Returns:

true if the plan had any UDFs; false otherwise