Source Code : Calendar Comparator

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Calendar Comparator

     
/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Middleware LLC.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 *
 */

import java.util.Calendar;
import java.util.Comparator;

/**
 * @author Gavin King
 */
public class CalendarComparator implements Comparator {

  public int compare(Object x, Object y) {
    Calendar xcal = (Calendar) x;
    Calendar ycal = (Calendar) y;
    if ( xcal.before(ycal) ) return -1;
    if ( xcal.after(ycal) ) return 1;
    return 0;
  }
  
  public static final Comparator INSTANCE = new CalendarComparator();

}

   
    
    
    
    
  

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