org.openrdf.query.algebra.evaluation.function

Class FloatCast

java.lang.Object

org.openrdf.query.algebra.evaluation.function.FloatCast

All Implemented Interfaces:

Function

public class FloatCast
extends Object
implements Function

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

Author:

Arjohn Kampman

Constructor Summary

Constructors

Constructor and Description
FloatCast()

Method Summary

Modifier and Type	Method and Description
Literal	evaluate(ValueFactory valueFactory, Value... args) Evaluates this function for the given arguments.
String	getURI()

Methods inherited from class java.lang.Object

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

Constructor Detail

FloatCast

public FloatCast()

Method Detail

getURI

public String getURI()

Specified by:

getURI in interface Function

evaluate

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

Description copied from interface: Function

Evaluates this function for the given arguments.

Specified by:

evaluate in interface Function

Parameters:

valueFactory - the ValueFactory provided for creating Values.

args - the arguments provided.

Returns:

a non-null Value.

Throws:

ValueExprEvaluationException - if this function could not be evaluated to a Value.