org.apache.jena.sparql.pfunction.library.triple

Class TripleTermFind

java.lang.Object

org.apache.jena.sparql.pfunction.PropertyFunctionBase

org.apache.jena.sparql.pfunction.PropertyFunctionEval

org.apache.jena.sparql.pfunction.library.triple.TripleTermFind

All Implemented Interfaces:

PropertyFunction

public class TripleTermFind
extends PropertyFunctionEval

Property function for FIND() - allows already bound.

    << ?s ?p ?o >> apf:find ?t .
 

This binds all the variables, with ?t bound to a triple term for the match of ?s ?p ?o.

Constructor Summary

Constructors

Constructor and Description
TripleTermFind()

Method Summary

Modifier and Type	Method and Description
QueryIterator	execEvaluated(Binding binding, PropFuncArg argSubject, Node predicate, PropFuncArg argObject, ExecutionContext execCxt)
static void	init()

Methods inherited from class org.apache.jena.sparql.pfunction.PropertyFunctionEval

exec

Methods inherited from class org.apache.jena.sparql.pfunction.PropertyFunctionBase

build, exec

Methods inherited from class java.lang.Object

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

Constructor Detail

TripleTermFind

public TripleTermFind()

Method Detail

init

public static void init()

execEvaluated

public QueryIterator execEvaluated(Binding binding,
                                   PropFuncArg argSubject,
                                   Node predicate,
                                   PropFuncArg argObject,
                                   ExecutionContext execCxt)

Specified by:

execEvaluated in class PropertyFunctionEval

Parameters:

binding - Current solution from previous query stage

argSubject - PropFuncArg, after substitution of any bound variables in this binding

predicate - This predicate

argObject - PropFuncArg, after substitution of any bound variables in this binding

execCxt - Execution context

Returns:

QueryIterator