org.apache.pig.impl.logicalLayer
Class ProjectionMapCalculator
java.lang.Object
org.apache.pig.impl.plan.PlanVisitor<LogicalOperator,LogicalPlan>
org.apache.pig.impl.logicalLayer.LOVisitor
org.apache.pig.impl.logicalLayer.ProjectionMapCalculator
public class ProjectionMapCalculator
- extends LOVisitor
A visitor to calculate all the projection maps in a logical plan.
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 |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ProjectionMapCalculator
public ProjectionMapCalculator(LogicalPlan plan)
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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