SerializedObjectComparator.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2009 by Denis M. Gabaidulin                             *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation; either version 3 of the    *
00008  *   License, or (at your option) any later version.                       *
00009  *                                                                         *
00010  ***************************************************************************/
00011 
00012     final class SerializedObjectComparator extends Singleton
00013         implements Comparator, Instantiatable
00014     {
00015         public static function me()
00016         {
00017             return Singleton::getInstance(__CLASS__);
00018         }
00019         
00020         public function compare($one, $two)
00021         {
00022             $serializedOne = serialize($one);
00023             $serializedTwo = serialize($two);
00024             
00025             if ($serializedOne == $serializedTwo)
00026                 return 0;
00027             
00028             return ($serializedOne < $serializedTwo) ? -1 : 1;
00029         }
00030     }
00031 ?>