org.eclipse.rdf4j.query.algebra.evaluation.function.string

Class Substring

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.function.string.Substring

All Implemented Interfaces:

Function

public class Substring
extends Object
implements Function

The SPARQL built-in Function SUBSTR, as defined in SPARQL Query Language for RDF.

Author:

Jeen Broekstra

Constructor Summary

Constructors

Constructor and Description
Substring()

Method Summary

Modifier and Type	Method and Description
Literal	evaluate(ValueFactory valueFactory, Value... args)
String	getURI()
static int	intFromLiteral(Literal literal)

Methods inherited from class java.lang.Object

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

Constructor Detail

Substring

public Substring()

Method Detail

getURI

public String getURI()

Specified by:

getURI in interface Function

evaluate

public Literal evaluate(ValueFactory valueFactory,
                        Value... args)
                 throws ValueExprEvaluationException

Specified by:

evaluate in interface Function

Throws:

ValueExprEvaluationException

intFromLiteral

public static int intFromLiteral(Literal literal)
                          throws ValueExprEvaluationException

Throws:

ValueExprEvaluationException