/**
* The contents of this file are subject to the Open Software License
* Version 3.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.opensource.org/licenses/osl-3.0.txt
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*/
package org.mulgara.query.filter;
import org.mulgara.query.QueryException;
/**
* Tests an element to see if it is an RDF Literal value.
*
* @created Mar 17, 2008
* @author Paula Gearon
* @copyright © 2008 <a href="mailto:pgearon@users.sourceforge.net">Paula Gearon</a>
* @licence <a href="{@docRoot}/../../LICENCE.txt">Open Software License v3.0</a>
*/
public class IsLiteralFn extends AbstractBooleanFn {
/** Generated Serialization ID for RMI */
private static final long serialVersionUID = 3543119682508127635L;
/**
* Create a function for testing if a value it a Literal
* @param operand The variable to test
*/
public IsLiteralFn(RDFTerm operand) {
super(operand);
}
/** @see org.mulgara.query.filter.AbstractBooleanFn#fnTest() */
boolean fnTest() throws QueryException {
return operand.isLiteral();
}
}