org.apache.jena.sparql.algebra.optimize

Class TransformPropertyFunction

java.lang.Object

org.apache.jena.sparql.algebra.TransformCopy

org.apache.jena.sparql.algebra.optimize.TransformPropertyFunction

All Implemented Interfaces:

Transform

public class TransformPropertyFunction
extends TransformCopy

Rewrite to replace a property function property with the call to the property function implementation

Field Summary

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

COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

Constructors

Constructor and Description
TransformPropertyFunction(Context context)

Method Summary

Modifier and Type	Method and Description
Op	transform(OpBGP opBGP)
static Op	transform(Op op, Context context) Apply the property function transformation.
Op	transform(OpTriple opTriple)

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

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformPropertyFunction

public TransformPropertyFunction(Context context)

Method Detail

transform

public static Op transform(Op op,
                           Context context)

Apply the property function transformation.

The context provide the place to find the property function registry. A custom one canbe supplied using ARQConstants.registryPropertyFunctions

See PropertyFunctionRegistry.chooseRegistry(org.apache.jena.sparql.util.Context) for the full decision process.

In addition, ARQ.enablePropertyFunctions must be true (this is the default).

transform

public Op transform(OpTriple opTriple)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy

transform

public Op transform(OpBGP opBGP)

Specified by:

transform in interface Transform

Overrides:

transform in class TransformCopy