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

Class TransformPattern2Join

java.lang.Object

com.hp.hpl.jena.sparql.algebra.TransformCopy

com.hp.hpl.jena.sparql.algebra.optimize.TransformPattern2Join

All Implemented Interfaces:

Transform

public class TransformPattern2Join
extends TransformCopy

Expand BGPs to joins of triples.

Field Summary

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

COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

Constructors

Constructor and Description
TransformPattern2Join()

Method Summary

Methods

Modifier and Type	Method and Description
static Op	expand(BasicPattern bgp)
static Op	expand(QuadPattern quads)
Op	transform(OpBGP opBGP)
Op	transform(OpQuadPattern quadPattern)

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, transform, transform

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformPattern2Join

public TransformPattern2Join()

Method Detail

transform

public Op transform(OpBGP opBGP)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy

transform

public Op transform(OpQuadPattern quadPattern)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy

expand

public static Op expand(BasicPattern bgp)

expand

public static Op expand(QuadPattern quads)