/** * 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.value; import java.net.URI; import org.mulgara.query.QueryException; import org.mulgara.query.filter.Context; import static org.mulgara.query.rdf.XSD.BOOLEAN_URI; /** * A boolean value. * * @created Mar 7, 2008 * @author Paula Gearon * @copyright © 2008 <a href="http://www.topazproject.org/">The Topaz Project</a> * @licence <a href="{@docRoot}/../../LICENCE.txt">Open Software License v3.0</a> */ public class Bool extends TypedLiteral { /** Generated Serialization ID for RMI */ private static final long serialVersionUID = -1139308134744630943L; /** xsd:boolean */ public static final URI TYPE = BOOLEAN_URI; /** xsd:boolean as an IRI */ public static final IRI IRI_TYPE = new IRI(BOOLEAN_URI); /** A single boolean value for true */ public static final Bool TRUE = new Bool(Boolean.TRUE); /** A single boolean value for false */ public static final Bool FALSE = new Bool(Boolean.FALSE); /** * Creates the value to wrap the boolean * @param b The boolean to wrap */ public Bool(Boolean b) { super(b, TYPE); } /** {@inheritDoc} */ public boolean test(Context context) throws QueryException { return (Boolean)value; } }