org.openanzo.glitter.expression.builtin
Class IsLiteral

java.lang.Object
  org.openanzo.glitter.expression.FunctionBase
      org.openanzo.glitter.expression.UnaryFunction
          org.openanzo.glitter.expression.builtin.IsLiteral

All Implemented Interfaces:

Function, FunctionOnValues

public class IsLiteral
extends UnaryFunction

Implements the SPARQL isLiteral function.

Author:

lee

Constructor Summary

IsLiteral()

Method Summary

RDFTerm	call(RDFTerm arg1) An unpackaged version of FunctionOnValues.call(List) that receives the single argument to the function.
java.net.URI	getIdentifier()

Methods inherited from class org.openanzo.glitter.expression.UnaryFunction

call

Methods inherited from class org.openanzo.glitter.expression.FunctionBase

compareBooleans, compareBooleans, compareDateTimes, compareNumerics, compareStringLiterals, operatesOnTypeErrors, operatesOnValues

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openanzo.glitter.expression.Function

operatesOnTypeErrors, operatesOnValues

Constructor Detail

IsLiteral

public IsLiteral()

Method Detail

call

public RDFTerm call(RDFTerm arg1)
             throws IncompatibleTypeException

Description copied from class: UnaryFunction

An unpackaged version of FunctionOnValues.call(List) that receives the single argument to the function.

Specified by:

call in class UnaryFunction

Parameters:

arg1 - The single unary argument to the function

Returns:

The return value of the function.

Throws:

IncompatibleTypeException

getIdentifier

public java.net.URI getIdentifier()

Returns:

The identifier for this function