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

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

All Implemented Interfaces:

Transform

public class TransformFilterEquality
extends TransformCopy

Field Summary

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

COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

TransformFilterEquality(boolean stringsAsTerms)

Method Summary

static Op	processFilter(Expr e, Op subOp) Return null for "no change"
static Op	processFilterOrOpFilter(Expr e, Op subOp) Return an optimized filter for equality expressions
Op	transform(OpFilter opFilter, Op subOp)

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

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformFilterEquality

public TransformFilterEquality(boolean stringsAsTerms)

Method Detail

transform

public Op transform(OpFilter opFilter,
                    Op subOp)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy

processFilterOrOpFilter

public static Op processFilterOrOpFilter(Expr e,
                                         Op subOp)

Return an optimized filter for equality expressions

processFilter

public static Op processFilter(Expr e,
                               Op subOp)

Return null for "no change"