[Velcro-develop] CVS: velcro/main/src/java/velcro/broadcaster MessageProcessorEntryComparator.java,NONE,1.1

[Mike H. <he...@us...>]

Update of /cvsroot/velcro/velcro/main/src/java/velcro/broadcaster
In directory sc8-pr-cvs1:/tmp/cvs-serv15813/velcro/broadcaster

Added Files:
	MessageProcessorEntryComparator.java 
Log Message:
Initial add.



--- NEW FILE: MessageProcessorEntryComparator.java ---
/*
 * MessageProcessorEntryComparator.java
 *
 * This file is part of Velcro.
 *
 * Velcro 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 2 of the License, or
 * (at your option) any later version.
 
 * Velcro 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 Velcro; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Copyright 2002, Mike Heath
 *
 * Created on November 27, 2002, 8:44 PM
 * Created by Mike Heath (heathm at users.sourceforge.net)
 * $Author: heathm $
 * $Date: 2002/12/03 15:05:33 $
 * $Revision: 1.1 $
 */

package velcro.broadcaster;

import java.util.Comparator;

/**
 * Compares two <code>MessageProcessorEntry</code> objects based on their priority field.
 *
 * @author  mike
 */
class MessageProcessorEntryComparator implements Comparator {
    
    /** Creates a new instance of MessageProcessorEntryComparator */
    public MessageProcessorEntryComparator() {
    }
    
    /**
     * Compares two MessageProcessEntries to determine which has the higher
     * priority.
     *
     * @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.
     * @throws ClassCastException if the arguments' types prevent them from
     * 	       being compared by this Comparator.
     *
     */
    public int compare(Object o1, Object o2) {
        MessageProcessorEntry e1 = (MessageProcessorEntry)o1;
        MessageProcessorEntry e2 = (MessageProcessorEntry)o2;
        
        if (o1 == null || o2 == null) {
            return 0;
        } if (e1.getPriority() < e2.getPriority()) {
            return -1;
        } if (e1.getPriority() == e2.getPriority()) {
            return 0;
        } else {
            return 1;
        }
    }
    
}

/*
 * $Log: MessageProcessorEntryComparator.java,v $
 * Revision 1.1  2002/12/03 15:05:33  heathm
 * Initial add.
 *
 */