org.openrdf.query.algebra.evaluation.function
Class BooleanCast

java.lang.Object
  org.openrdf.query.algebra.evaluation.function.BooleanCast

All Implemented Interfaces:

Function

public class BooleanCast
extends Object
implements Function

A Function that tries to cast its argument to an xsd:boolean.

Author:

Arjohn Kampman

Constructor Summary

BooleanCast()

Method Summary

Literal	evaluate(ValueFactory valueFactory, Value... args)
String	getURI()

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanCast

public BooleanCast()

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