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

Class Optimize

java.lang.Object

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

All Implemented Interfaces:

Rewrite

public class Optimize
extends Object
implements Rewrite

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Optimize.RewriterFactory

Field Summary

Fields

Modifier and Type	Field and Description
static Symbol	filterPlacementOldName Alternative name for compatibility only
static Optimize.RewriterFactory	noOptimizationFactory
static Optimize.RewriterFactory	stdOptimizationFactory

Method Summary

Methods

Modifier and Type	Method and Description
static Op	apply(String label, Transform transform, Op op)
static Op	apply(Transform transform, Op op)
static Optimize.RewriterFactory	getFactory(Optimize.RewriterFactory aFactory) Get the global factory for making optimizers
static void	noOptimizer() Set the global optimizer factory to one that does nothing
static Op	optimize(Op op, Context context)
static Op	optimize(Op op, ExecutionContext execCxt)
Op	rewrite(Op op)
static void	setFactory(Optimize.RewriterFactory aFactory) Globably set the fcaory for making optimizers

Methods inherited from class java.lang.Object

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

Field Detail

noOptimizationFactory

public static Optimize.RewriterFactory noOptimizationFactory

stdOptimizationFactory

public static Optimize.RewriterFactory stdOptimizationFactory

filterPlacementOldName

public static final Symbol filterPlacementOldName

Alternative name for compatibility only

Method Detail

optimize

public static Op optimize(Op op,
          ExecutionContext execCxt)

optimize

public static Op optimize(Op op,
          Context context)

noOptimizer

public static void noOptimizer()

Set the global optimizer factory to one that does nothing

setFactory

public static void setFactory(Optimize.RewriterFactory aFactory)

Globably set the fcaory for making optimizers

getFactory

public static Optimize.RewriterFactory getFactory(Optimize.RewriterFactory aFactory)

Get the global factory for making optimizers

rewrite

public Op rewrite(Op op)

Specified by:

rewrite in interface Rewrite

apply

public static Op apply(Transform transform,
       Op op)

apply

public static Op apply(String label,
       Transform transform,
       Op op)