VSMElementComparator.java

/*
############################################################################
##
## Copyright (C) 2006-2009 University of Utah. All rights reserved.
##
## This file is part of DeepPeep.
##
## This file may be used under the terms of the GNU General Public
## License version 2.0 as published by the Free Software Foundation
## and appearing in the file LICENSE.GPL included in the packaging of
## this file.  Please review the following to ensure GNU General Public
## Licensing requirements will be met:
## http://www.opensource.org/licenses/gpl-license.php
##
## If you are unsure which license is appropriate for your use (for
## instance, you are interested in developing a commercial derivative
## of DeepPeep), please contact us at deeppeep@sci.utah.edu.
##
## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
##
############################################################################
*/
package focusedCrawler.util.vsm;

import java.util.Comparator;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class VSMElementComparator implements Comparator<Object> {
    public VSMElementComparator() {
    }

    /**
     * Compares its two arguments for order.
     *
     * @param o1 the first object to be compared.
     * @param o2 the second object to be compared.
     * @return a negative integer, zero, or a positive integer as the first
     *   argument is less than, equal to, or greater than the second.
     */
    public int compare(Object o1, Object o2) {
        if(((VSMElement)o1).getWeight() < ((VSMElement)o2).getWeight())
         return 1;
       else
             if(((VSMElement)o1).getWeight() == ((VSMElement)o2).getWeight())
               return 0;
             else
               return -1;
    }
}