com.hp.hpl.jena.sparql.algebra.optimize
Class TransformJoinStrategy

java.lang.Object
  com.hp.hpl.jena.sparql.algebra.TransformCopy
      com.hp.hpl.jena.sparql.algebra.optimize.TransformJoinStrategy

All Implemented Interfaces:

Transform

public class TransformJoinStrategy
extends TransformCopy

Choose join strategy

Field Summary

Fields inherited from class com.hp.hpl.jena.sparql.algebra.TransformCopy

COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

TransformJoinStrategy(Context context)

Method Summary

Op	transform(OpJoin opJoin, Op left, Op right)
Op	transform(OpLeftJoin opLeftJoin, Op opLeft, Op opRight)

Methods inherited from class com.hp.hpl.jena.sparql.algebra.TransformCopy

transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform, transform

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TransformJoinStrategy

public TransformJoinStrategy(Context context)

Method Detail

transform

public Op transform(OpJoin opJoin,
                    Op left,
                    Op right)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy

transform

public Op transform(OpLeftJoin opLeftJoin,
                    Op opLeft,
                    Op opRight)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy