org.apache.jena.sparql.function

Class CastXSD

java.lang.Object

org.apache.jena.sparql.function.FunctionBase

org.apache.jena.sparql.function.FunctionBase1

org.apache.jena.sparql.function.CastXSD

All Implemented Interfaces:

Function, FunctionFactory

public class CastXSD
extends FunctionBase1
implements FunctionFactory

Constructor Summary

Constructors

Constructor and Description
CastXSD(XSDDatatype dt)

Method Summary

Modifier and Type	Method and Description
static NodeValue	cast(NodeValue nv, XSDDatatype castType) Cast a NodeValue to an XSD datatype.
Function	create(String uri) Create a function with the given URI
NodeValue	exec(NodeValue v)

Methods inherited from class org.apache.jena.sparql.function.FunctionBase1

checkBuild, exec

Methods inherited from class org.apache.jena.sparql.function.FunctionBase

build, exec, getContext

Methods inherited from class java.lang.Object

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

Constructor Detail

CastXSD

public CastXSD(XSDDatatype dt)

Method Detail

create

public Function create(String uri)

Description copied from interface: FunctionFactory

Create a function with the given URI

Specified by:

create in interface FunctionFactory

Parameters:

uri - URI

Returns:

Function

exec

public NodeValue exec(NodeValue v)

Specified by:

exec in class FunctionBase1

cast

public static NodeValue cast(NodeValue nv,
                             XSDDatatype castType)

Cast a NodeValue to an XSD datatype. This includes "by value" so 1e0 (an xsd:double) casts to 1 (an xsd:intger)

Parameters:

nv -

castType -

Returns:

NodeValue

Throws:

ExprEvalException