001    /*
002     * The contents of this file are subject to the Mozilla Public License
003     * Version 1.1 (the "License");  you may not use this file except in 
004     * compliance with the License.  You may obtain a copy of the License at
005     * http://www.mozilla.org/MPL/
006     *
007     * Software distributed under the License is distributed on an "AS IS" basis,
008     * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
009     * the specific language governing rights and limitations under the License.
010     *
011     * The Original Code is Protege-2000.
012     *
013     * The Initial Developer of the Original Code is Stanford University. Portions
014     * created by Stanford University are Copyright (C) 2007.  All Rights Reserved.
015     *
016     * Protege was developed by Stanford Medical Informatics
017     * (http://www.smi.stanford.edu) at the Stanford University School of Medicine
018     * with support from the National Library of Medicine, the National Science
019     * Foundation, and the Defense Advanced Research Projects Agency.  Current
020     * information about Protege can be obtained at http://protege.stanford.edu.
021     *
022     */
023    
024    package edu.stanford.smi.protegex.owl.model;
025    
026    
027    /**
028     * The common base interface of OWLDatatypeProperty and OWLObjectProperty.
029     *
030     * @author Holger Knublauch  <holger@knublauch.com>
031     */
032    public interface OWLProperty extends RDFProperty {
033    
034    
035        /**
036         * Checks whether this is an inverse functional property.
037         * This is true if this either has the rdf:type owl:InverseFunctionalProperty
038         * or one of its super properties is inverse functional.
039         *
040         * @return true   if this is inverse functional
041         */
042        boolean isInverseFunctional();
043    
044    
045        /**
046         * Checks whether this is an object slot or a datatype slot.
047         * This method is probably hardly ever needed - it is for the
048         * case where instanceof fails because a property has just changed
049         * from datatype to object property and the Java object still has
050         * the old type.
051         *
052         * @return true  if this is an Object property
053         */
054        boolean isObjectProperty();
055    
056    
057        void setInverseFunctional(boolean value);
058    }
059