Module org.apache.jena.arq

Package org.apache.jena.sparql.algebra.optimize

Class TransformJoinStrategy

java.lang.Object

org.apache.jena.sparql.algebra.TransformCopy

org.apache.jena.sparql.algebra.optimize.TransformJoinStrategy

All Implemented Interfaces:

Transform

public class TransformJoinStrategy
extends TransformCopy

Choose join strategy

Field Summary

Fields inherited from class org.apache.jena.sparql.algebra.TransformCopy

COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

Constructors

Constructor	Description
TransformJoinStrategy()

Method Summary

Modifier and Type	Method	Description
Op	transform(OpJoin opJoin, Op left, Op right)
Op	transform(OpLeftJoin opLeftJoin, Op opLeft, Op opRight)

Methods inherited from class org.apache.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, transform, transform, transform, transform, transform, transform

Methods inherited from class java.lang.Object

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

Constructor Details

TransformJoinStrategy

public TransformJoinStrategy()

Method Details

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