+++ /dev/null
-/*
- * Copyright (c) 2003-2005 The BISON Project
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2 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 program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-package peersim.vector;
-
-import peersim.core.*;
-import java.util.*;
-
-/**
- * This comparator class compares two node objects based on the value
- * maintained by one of its protocols. The protocol must implement the
- * {@link SingleValue} interface; its identifier has to be specified when a
- * new comparator is built.
- *
- * @author Alberto Montresor
- * @version $Revision: 1.4 $
- */
-public class SingleValueComparator implements Comparator
-{
-
-/** Protocol to be be compared */
-private int pid;
-
-/**
- * Builds a new comparator that compares the double values maintained
- * by protocol identified by <code>pid</code>.
- */
-public SingleValueComparator(int pid) { this.pid = pid; }
-
-/**
- * Compares the values of two protocols. The parameters must have dynamic type
- * {@link Node}. The protocol {@link #pid} is accessed on both nodes. These
- * protocols have to implement the {@link SingleValue} interface. The values
- * held by these protocol instances are then compared.
- */
-public int compare(Object o1, Object o2)
-{
- SingleValue s1 = (SingleValue) ((Node) o1).getProtocol(pid);
- SingleValue s2 = (SingleValue) ((Node) o2).getProtocol(pid);
- return (int) (s1.getValue() - s2.getValue());
-}
-
-}
