Package org.topbraid.shacl.multifunctions

Class SPARQLMultiFunction

java.lang.Object

org.topbraid.shacl.multifunctions.AbstractMultiFunction

org.topbraid.shacl.multifunctions.SPARQLMultiFunction

All Implemented Interfaces:

MultiFunction

public class SPARQLMultiFunction
extends AbstractMultiFunction

A MultiFunction based on a dash:SPARQLMultiFunction. This essentially wraps a SPARQL SELECT query, iterating over its result bindings on demand, making sure that it gets closed.

Author:

Holger Knublauch

Method Summary

Modifier and Type	Method	Description
static SPARQLMultiFunction	create(org.apache.jena.rdf.model.Resource declaration)
org.apache.jena.sparql.engine.QueryIterator	execute(List<org.apache.jena.graph.Node> args, org.apache.jena.graph.Graph activeGraph, org.apache.jena.sparql.core.DatasetGraph dataset)	Executes the multi-function for a given list of arguments.

Methods inherited from class org.topbraid.shacl.multifunctions.AbstractMultiFunction

getAPIStatus, getDescription, getParameters, getResultVars, getURI, initFrom

Methods inherited from class java.lang.Object

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

Method Detail

create

public static SPARQLMultiFunction create(org.apache.jena.rdf.model.Resource declaration)
                                  throws IllegalArgumentException

Throws:

IllegalArgumentException

execute

public org.apache.jena.sparql.engine.QueryIterator execute(List<org.apache.jena.graph.Node> args,
                                                           org.apache.jena.graph.Graph activeGraph,
                                                           org.apache.jena.sparql.core.DatasetGraph dataset)

Description copied from interface: MultiFunction

Executes the multi-function for a given list of arguments.

Parameters:

args - the argument values, matching the declared parameters from left to right

activeGraph - the currently active query graph

dataset - the DatasetGraph to operate on

Returns:

a QueryIterator with name-value pairs