ComparadorParticulas.java

/***********************************************************************

	This file is part of KEEL-software, the Data Mining tool for regression, 
	classification, clustering, pattern mining and so on.

	Copyright (C) 2004-2010
	
	F. Herrera (herrera@decsai.ugr.es)
    L. S�nchez (luciano@uniovi.es)
    J. Alcal�-Fdez (jalcala@decsai.ugr.es)
    S. Garc�a (sglopez@ujaen.es)
    A. Fern�ndez (alberto.fernandez@ujaen.es)
    J. Luengo (julianlm@decsai.ugr.es)

	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, either version 3 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 General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see http://www.gnu.org/licenses/
  
**********************************************************************/

package keel.Algorithms.Genetic_Rule_Learning.PSO_ACO;

import java.util.Comparator;

/**
 * <p>T�tulo: Hibridaci�n Pso Aco</p>
 * <p>Descripci�n: Hibridacion entre los dos algoritmos Pso y Aco</p>
 * <p>Copyright: Copyright (c) 2008</p>
 * <p>Empresa: </p>
 * @author Vicente Rub�n del Pino
 * @version 1.0
 */

public class ComparadorParticulas implements Comparator {
    public ComparadorParticulas() {
    }

    /**
     * Compara dos reglas
     *
     * @param o1 Object Regla a comparar
     * @param o2 Object Regla a comparar
     * @return int Devuelve 0 si tienen la misma posicion, 1 si el primero esta
     * antes, -1 si el primero esta despues.
     *
     *
     */
    public int compare(Object o1, Object o2) {
        float calidad1;
        float calidad2;
        float calidadS1;
        float calidadS2;
        Particula p1;
        Particula p2;
        int devolver = 0;

        p1 = (Particula) o1;
        p2 = (Particula) o2;

        calidad1 = p1.obtenerCalidadPosicionActual();
        calidad2 = p2.obtenerCalidadPosicionActual();
        calidadS1 = p1.obtenerCalidadMejorPosicion();
        calidadS2 = p2.obtenerCalidadMejorPosicion();

        if (calidad1 < calidad2) {
            devolver = 1;
        } else {
            if (calidad1 > calidad2) {
                devolver = -1;
            } else
            if (calidadS1 < calidadS2) {
                devolver = 1;
            } else {
                devolver = -1;
            }
        }

        return devolver;

    }


}