org.topbraid.spin.arq

Class SPINARQFunction

java.lang.Object

org.topbraid.spin.arq.SPINARQFunction

All Implemented Interfaces:

org.apache.jena.sparql.function.Function, org.apache.jena.sparql.function.FunctionFactory, OptionalArgsFunction, SPINFunctionFactory

public class SPINARQFunction
extends Object
implements org.apache.jena.sparql.function.Function, OptionalArgsFunction, SPINFunctionFactory

An ARQ function that delegates its functionality into a user-defined SPIN function.

Author:

Holger Knublauch

Constructor Summary

Constructors

Constructor and Description
SPINARQFunction(Function spinFunction) Constructs a new SPINARQFunction based on a given SPIN Function.

Method Summary

Modifier and Type	Method and Description
void	build(String uri, org.apache.jena.sparql.expr.ExprList args)
org.apache.jena.sparql.function.Function	create(String uri)
org.apache.jena.sparql.expr.NodeValue	exec(org.apache.jena.sparql.engine.binding.Binding binding, org.apache.jena.sparql.expr.ExprList args, String uri, org.apache.jena.sparql.function.FunctionEnv env)
org.apache.jena.sparql.expr.NodeValue	executeBody(org.apache.jena.query.Dataset dataset, org.apache.jena.rdf.model.Model defaultModel, org.apache.jena.query.QuerySolution bindings)
org.apache.jena.sparql.expr.NodeValue	executeBody(org.apache.jena.rdf.model.Model model, org.apache.jena.query.QuerySolution bindings)
String[]	getArgNames() Gets the names of the declared arguments, in order from left to right.
org.apache.jena.graph.Node[]	getArgPropertyNodes()
org.apache.jena.query.Query	getBodyQuery() Gets the Jena Query object for execution.
Function	getSPINFunction()
boolean	isOptionalArg(int index)

Methods inherited from class java.lang.Object

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

Constructor Detail

SPINARQFunction

public SPINARQFunction(Function spinFunction)

Constructs a new SPINARQFunction based on a given SPIN Function. The spinFunction model be associated with the Model containing the triples of its definition.

Parameters:

spinFunction - the SPIN function

Method Detail

build

public void build(String uri,
                  org.apache.jena.sparql.expr.ExprList args)

Specified by:

build in interface org.apache.jena.sparql.function.Function

create

public org.apache.jena.sparql.function.Function create(String uri)

Specified by:

create in interface org.apache.jena.sparql.function.FunctionFactory

exec

public org.apache.jena.sparql.expr.NodeValue exec(org.apache.jena.sparql.engine.binding.Binding binding,
                                                  org.apache.jena.sparql.expr.ExprList args,
                                                  String uri,
                                                  org.apache.jena.sparql.function.FunctionEnv env)

Specified by:

exec in interface org.apache.jena.sparql.function.Function

executeBody

public org.apache.jena.sparql.expr.NodeValue executeBody(org.apache.jena.rdf.model.Model model,
                                                         org.apache.jena.query.QuerySolution bindings)

executeBody

public org.apache.jena.sparql.expr.NodeValue executeBody(org.apache.jena.query.Dataset dataset,
                                                         org.apache.jena.rdf.model.Model defaultModel,
                                                         org.apache.jena.query.QuerySolution bindings)

getArgNames

public String[] getArgNames()

Gets the names of the declared arguments, in order from left to right.

Returns:

the arguments

getArgPropertyNodes

public org.apache.jena.graph.Node[] getArgPropertyNodes()

getBodyQuery

public org.apache.jena.query.Query getBodyQuery()

Gets the Jena Query object for execution.

Returns:

the Jena Query

getSPINFunction

public Function getSPINFunction()

isOptionalArg

public boolean isOptionalArg(int index)

Specified by:

isOptionalArg in interface OptionalArgsFunction