SelectivePeer.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2005-2007 by Konstantin V. Arkhipov                     *
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 /* $Id: SelectivePeer.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00016     abstract class SelectivePeer extends CachePeer
00017     {
00018         const MARGINAL_VALUE = 'i_am_declassed_element'; // Yanka R.I.P.
00019         
00020         protected $className    = null;
00021         
00025         public function mark($className)
00026         {
00027             $this->className = $className;
00028             return $this;
00029         }
00030         
00031         protected function getClassName()
00032         {
00033             if (!$this->className)
00034                 $class = self::MARGINAL_VALUE;
00035             else
00036                 $class = $this->className;
00037                 
00038             $this->className = null; // eat it after use
00039 
00040             return $class;
00041         }
00042     }
00043 ?>

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