com.hp.hpl.jena.sparql.algebra

Class OpAsQuery.SubExprForVar

java.lang.Object

com.hp.hpl.jena.sparql.expr.ExprTransformCopy

com.hp.hpl.jena.sparql.algebra.OpAsQuery.SubExprForVar

All Implemented Interfaces:

ExprTransform

Enclosing class:

OpAsQuery

public static class OpAsQuery.SubExprForVar
extends ExprTransformCopy

This class is used to take substitute an expressions for variables in another expression. It is used to stick grouping expressions back together.

Field Summary

Fields inherited from class com.hp.hpl.jena.sparql.expr.ExprTransformCopy

COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

Constructors

Constructor and Description
OpAsQuery.SubExprForVar(Map<Var,Expr> varExpr)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	didChange()
Expr	transform(ExprVar var)

Methods inherited from class com.hp.hpl.jena.sparql.expr.ExprTransformCopy

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

OpAsQuery.SubExprForVar

public OpAsQuery.SubExprForVar(Map<Var,Expr> varExpr)

Method Detail

didChange

public boolean didChange()

transform

public Expr transform(ExprVar var)

Specified by:

transform in interface ExprTransform

Overrides:

transform in class ExprTransformCopy