/*
 * $Id$
 *
 * Copyright (C) INRIA, 2010
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 
 * 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser 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
 */

/**
 * JE: 05/08/2010
 * This is an example for the computations in OMBook.
 * Exercise C9: AlignmentExtraction
 * It could implement different extraction strategies
 *
 */

package org.ontologymatching.book;

import fr.inrialpes.exmo.align.impl.Similarity;
import fr.inrialpes.exmo.align.impl.MatrixMeasure;
import fr.inrialpes.exmo.align.impl.DistanceAlignment;
import fr.inrialpes.exmo.align.impl.method.StringDistAlignment;

import fr.inrialpes.exmo.ontowrap.LoadedOntology;
import fr.inrialpes.exmo.ontowrap.OntowrapException;

import fr.inrialpes.exmo.ontosim.string.StringDistances;

import org.semanticweb.owl.align.Alignment;
import org.semanticweb.owl.align.AlignmentProcess;
import org.semanticweb.owl.align.AlignmentException;

import java.util.Properties;

/**
 * OMBook answer to exercise C.9
*/

public class ExtractAlignment extends DistanceAlignment implements AlignmentProcess {

    /** Creation **/
    public ExtractAlignment(){
	setSimilarity( new MatrixMeasure() {
		// Never used because no call to compute()
		public double classMeasure( Object cl1, Object cl2 ) {
		    return 0.;
		}
		public double propertyMeasure( Object pr1, Object pr2 ) {
		    return 0.;
		}
		public double individualMeasure( Object id1, Object id2 ) {
		    return 0.;
		}
	    } );
	setType("11");
    };

    /** Processing **/
    public void align( Alignment alignment, Properties prop ) throws AlignmentException {
	loadInit( alignment );

	Similarity sim = getSimilarity();
	sim.initialize( ontology1(), ontology2(), alignment );

	// Print matrix if asked
	prop.setProperty( "algName", getClass().toString() );
	if ( prop.getProperty("printMatrix") != null ) printDistanceMatrix( prop );

	// Extract alignment
	// The type attribute will determine what is extracted...
	extract( type, prop );
    }

}