Module org.apache.jena.arq

Package org.apache.jena.sparql.function.library.triple

Class TripleTermOps

java.lang.Object

org.apache.jena.sparql.function.library.triple.TripleTermOps

public class TripleTermOps
extends Object

Constructor Summary

Constructors

Constructor	Description
TripleTermOps()

Method Summary

Modifier and Type	Method	Description
static NodeValue	fnTriple(NodeValue nv1, NodeValue nv2, NodeValue nv3)	Create a triple term.
static NodeValue	isTriple(NodeValue nv)	Test whether a NodeValue is an triple term.
static NodeValue	tripleObject(NodeValue nv)	Return the object of a triple term.
static NodeValue	triplePredicate(NodeValue nv)	Return the predicate of a triple term.
static NodeValue	tripleSubject(NodeValue nv)	Return the subject of a triple term.

Methods inherited from class java.lang.Object

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

Constructor Details

TripleTermOps

public TripleTermOps()

Method Details

fnTriple

public static NodeValue fnTriple(NodeValue nv1,
 NodeValue nv2,
 NodeValue nv3)

Create a triple term. Throws ExprEvalException if the predicate argument is not a URI.

isTriple

public static NodeValue isTriple(NodeValue nv)

Test whether a NodeValue is an triple term.

tripleSubject

public static NodeValue tripleSubject(NodeValue nv)

Return the subject of a triple term. Throws ExprEvalException if the argument is not a triple term.

triplePredicate

public static NodeValue triplePredicate(NodeValue nv)

Return the predicate of a triple term. Throws ExprEvalException if the argument is not a triple term.

tripleObject

public static NodeValue tripleObject(NodeValue nv)

Return the object of a triple term. Throws ExprEvalException if the argument is not a triple term.