com.bigdata.rdf.rules.RuleOwlHasValue Maven / Gradle / Ivy

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/**

Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016.  All rights reserved.

Contact:
     SYSTAP, LLC DBA Blazegraph
     2501 Calvert ST NW #106
     Washington, DC 20008
     [email protected]

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.bigdata.rdf.rules;

import org.openrdf.model.vocabulary.OWL;
import org.openrdf.model.vocabulary.RDF;

import com.bigdata.rdf.spo.SPOPredicate;
import com.bigdata.rdf.vocab.Vocabulary;
import com.bigdata.relation.rule.Rule;

/**
 * owl:hasValue
 *  *  (x rdf:type a), (a rdf:type owl:Restriction), (a owl:onProperty p), (a owl:hasValue v) -> (x p v)
 * 
 * 
 * @author Mike Personick
 * @version $Id$
 */
public class RuleOwlHasValue extends Rule {

    /**
     * 
     */
    private static final long serialVersionUID = 274895423478542354L;

    /**
     * @param vocab
     */
    public RuleOwlHasValue(String relationName, Vocabulary vocab) {


        super(  "owl:hasValue",//
                new SPOPredicate(relationName, var("x"), var("p"), var("v")), //
                new SPOPredicate[] { //
                    new SPOPredicate(relationName,var("x"), vocab.getConstant(RDF.TYPE), var("a")),//
                    new SPOPredicate(relationName,var("a"), vocab.getConstant(RDF.TYPE), vocab.getConstant(OWL.RESTRICTION)),//
                    new SPOPredicate(relationName,var("a"), vocab.getConstant(OWL.ONPROPERTY), var("p")),//
                    new SPOPredicate(relationName,var("a"), vocab.getConstant(OWL.HASVALUE), var("v"))//
                },//
                null//constraints
                );
        
    }

}