/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
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.gom.alchemy.owl;
import java.util.Iterator;
import org.openrdf.model.vocabulary.OWL;
import org.openrdf.model.vocabulary.RDF;
import com.bigdata.gom.gpo.BasicSkin;
import com.bigdata.gom.gpo.GPO;
import com.bigdata.gom.gpo.IGPO;
import com.bigdata.gom.gpo.IGenericSkin;
import com.bigdata.gom.om.IObjectManager;
public class OWLOntologySkin extends BasicSkin implements IGenericSkin {
public OWLOntologySkin(IGPO gpo) {
super(gpo);
}
static public OWLOntologySkin getOntology(IObjectManager om) {
final IGPO owl = om.getGPO(OWL.ONTOLOGY);
return (OWLOntologySkin) ((GPO) owl).getSkin(OWLOntologySkin.class);
}
/**
* Returns a list of defined OWLClasses. The classes do not
* in fact have any reference to the Ontology instance, but the
* skin supports the fiction.
*/
public Iterator<OWLClassSkin> getClasses() {
final IObjectManager om = m_gpo.getObjectManager();
final IGPO classClass = om.getGPO(OWL.CLASS);
final Iterator<IGPO> owlClasses = classClass.getLinksIn(RDF.TYPE).iterator();
return new Iterator<OWLClassSkin>() {
@Override
public boolean hasNext() {
return owlClasses.hasNext();
}
@Override
public OWLClassSkin next() {
IGPO nxt = owlClasses.next();
return (OWLClassSkin) ((GPO) nxt).getSkin(OWLClassSkin.class);
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
}