# 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
    00015     abstract class SelectivePeer extends CachePeer
    00016     {
    00017         const MARGINAL_VALUE = 'i_am_declassed_element'; // Yanka R.I.P.
    00018
    00019         protected $className    = null;
    00020
    00024         public function mark($className)
    00025         {
    00026             $this->className = $className;
    00027             return $this;
    00028         }
    00029
    00030         protected function getClassName()
    00031         {
    00032             if (!$this->className)
    00033                 $class = self::MARGINAL_VALUE;
    00034             else
    00035                 $class = $this->className;
    00036
    00037             $this->className = null; // eat it after use
    00038
    00039             return $class;
    00040         }
    00041     }
    00042 ?>