org.apache.pig.impl.logicalLayer
Class ProjectionMapRemover

java.lang.Object
  extended by org.apache.pig.impl.plan.PlanVisitor<LogicalOperator,LogicalPlan>
      extended by org.apache.pig.impl.logicalLayer.LOVisitor
          extended by org.apache.pig.impl.logicalLayer.ProjectionMapRemover

public class ProjectionMapRemover
extends LOVisitor

A visitor to reset all the projection maps in a logical plan.


Field Summary
 
Fields inherited from class org.apache.pig.impl.plan.PlanVisitor
mCurrentWalker, mPlan
 
Constructor Summary
ProjectionMapRemover(LogicalPlan plan)
           
 
Method Summary
protected  void visit(LOCogroup cg)
           
protected  void visit(LOCross cs)
           
protected  void visit(LODistinct dt)
           
protected  void visit(LOFilter filter)
           
protected  void visit(LOForEach forEach)
           
protected  void visit(LOJoin join)
           
protected  void visit(LOLimit limit)
           
protected  void visit(LOLoad load)
           
protected  void visit(LOSort s)
           
protected  void visit(LOSplit split)
           
protected  void visit(LOSplitOutput sop)
           
protected  void visit(LOStore store)
           
protected  void visit(LOStream stream)
           
protected  void visit(LOUnion u)
           
 
Methods inherited from class org.apache.pig.impl.logicalLayer.LOVisitor
visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit
 
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

ProjectionMapRemover

public ProjectionMapRemover(LogicalPlan plan)
Method Detail

visit

protected void visit(LOCogroup cg)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
cg - the logical cogroup operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOJoin join)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
join - the logical join operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOSort s)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
s - the logical sort operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOLimit limit)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
limit - the logical limit operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOFilter filter)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
filter - the logical filter operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOSplit split)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
split - the logical split operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOForEach forEach)
              throws VisitorException
Overrides:
visit in class LOVisitor
Parameters:
forEach - the logical foreach operator that has to be visited
Throws:
VisitorException

visit

protected void visit(LOLoad load)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException

visit

protected void visit(LOStore store)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException

visit

protected void visit(LOUnion u)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException

visit

protected void visit(LOSplitOutput sop)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException

visit

protected void visit(LODistinct dt)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException

visit

protected void visit(LOCross cs)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException

visit

protected void visit(LOStream stream)
              throws VisitorException
Overrides:
visit in class LOVisitor
Throws:
VisitorException


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