001    /**
002     * Copyright (C) 2007-2011, Jens Lehmann
003     *
004     * This file is part of DL-Learner.
005     *
006     * DL-Learner is free software; you can redistribute it and/or modify
007     * it under the terms of the GNU General Public License as published by
008     * the Free Software Foundation; either version 3 of the License, or
009     * (at your option) any later version.
010     *
011     * DL-Learner is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015     *
016     * You should have received a copy of the GNU General Public License
017     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
018     */
019    
020    package org.dllearner.core.owl;
021    
022    /**
023     * 
024     * @author Jens Lehmann
025     *
026     */
027    public abstract class ObjectQuantorRestriction extends QuantorRestriction {
028    
029            /**
030             * 
031             */
032            private static final long serialVersionUID = -5482730659805823042L;
033    
034            public ObjectQuantorRestriction(ObjectPropertyExpression role, Description c) {
035                    super(role);
036                    addChild(c);
037            }
038            
039            public ObjectPropertyExpression getRole() {
040                    return (ObjectPropertyExpression) restrictedPropertyExpression;
041            }
042            
043            public int getLength() {
044                    return 1 + restrictedPropertyExpression.getLength() + getChild(0).getLength();
045            }
046    
047            @Override
048            public int getArity() {
049                    return 1;
050            }
051    
052    }