ScoreComparator.java

/**
 * Copyright (c) 2011-2014, OpenIoT
 *
 * This file is part of OpenIoT.
 *
 * OpenIoT 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, version 3 of the License.
 *
 * OpenIoT 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 OpenIoT. If not, see <http://www.gnu.org/licenses/>.
 *
 * Contact: OpenIoT mailto: info@openiot.eu
 */
package org.openiot.cupus.topkw;


import java.io.Serializable;
import java.util.Comparator;
import org.openiot.cupus.artefact.MemorizedPublication;

/**
 *
 * @author Krešimir Pripužić <kpripuzic at gmail.com>
 */
public class ScoreComparator implements Comparator<MemorizedPublication>, Serializable{

    public int compare(MemorizedPublication p1, MemorizedPublication p2) {
        if (p1.getRelevance() > p2.getRelevance()) {
            return -1;
        } else if (p1.getRelevance() < p2.getRelevance()) {
            return 1;
        } else if (p1.hashCode() == p2.hashCode()) {
            return 0;
        } else if (p1.hashCode() < p2.hashCode()) {
            return 1;
        } else {
            return -1;
        }
    }
}