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    import java.util.Map;
023    
024    /**
025     * Restricts the value of an object property to a single individual
026     * (corresponds to owl:hasValue)
027     * 
028     * @author Jens Lehmann
029     *
030     */
031    public class ObjectValueRestriction extends ValueRestriction {
032    
033            /**
034             * 
035             */
036            private static final long serialVersionUID = 2437223709767096950L;
037    
038            /**
039             * @param property
040             */
041            public ObjectValueRestriction(Property property, Individual value) {
042                    super(property, value);
043            }
044    
045            /* (non-Javadoc)
046             * @see org.dllearner.core.owl.Description#toManchesterSyntaxString(java.lang.String, java.util.Map)
047             */
048            @Override
049            public String toManchesterSyntaxString(String baseURI, Map<String, String> prefixes) {
050                    return restrictedPropertyExpression.toString(baseURI, prefixes) + " value " + value.toString(baseURI, prefixes);
051            }
052    
053            /* (non-Javadoc)
054             * @see org.dllearner.core.owl.Description#getArity()
055             */
056            @Override
057            public int getArity() {
058                    return 0;
059            }
060    
061            /* (non-Javadoc)
062             * @see org.dllearner.core.owl.KBElement#getLength()
063             */
064            public int getLength() {
065                    return 3;
066            }
067    
068            /* (non-Javadoc)
069             * @see org.dllearner.core.owl.KBElement#toString(java.lang.String, java.util.Map)
070             */
071            public String toString(String baseURI, Map<String, String> prefixes) {
072                    return restrictedPropertyExpression.toString(baseURI, prefixes) + " hasValue " + value.toString(baseURI, prefixes);
073            }       
074            
075            public String toKBSyntaxString(String baseURI, Map<String, String> prefixes) {
076                    return "(" + restrictedPropertyExpression.toKBSyntaxString(baseURI, prefixes) + " HASVALUE " + value.toKBSyntaxString(baseURI, prefixes) + ")";
077            }       
078            
079            public Individual getIndividual() {
080                    return (Individual) value;
081            }
082            
083            @Override
084            public void accept(DescriptionVisitor visitor) {
085                    visitor.visit(this);
086            }       
087            
088            public void accept(KBElementVisitor visitor) {
089                    visitor.visit(this);
090            }       
091    }