/**
* Fortika - Robust Group Communication
* Copyright (C) 2002-2006 Sergio Mena de la Cruz (EPFL) (sergio.mena@epfl.ch)
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package framework;
public interface Compressable {
static final int NOT_COMPARABLE = 0;
static final int SMALLER = 1;
static final int PREDECESSOR = 2;
static final int EQUAL = 3;
static final int SUCCESSOR = 4;
static final int BIGGER = 5;
/**
* Compare two objects. Consider the call o1.comparetTo(o2),
* the result can be the following:
*
* 0: the two objects can not be compared
* 1: o1 is smaller than o2 (and not the immediate predecessor of o2)
* 2: o1 is the immediate predecessor of o2
* 3: o1 is equal to o2
* 4: o1 is the successor of o2
* 5: o1 is bigger than o2 (and not the immediate successor of o2)
*
* @param o
* @return
*/
public int compareToCompressable (Object o);
}