# ApcSegmentHandler.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2006-2007 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
    00017     final class ApcSegmentHandler extends OptimizerSegmentHandler
    00018     {
    00019         public function __construct($segmentId)
    00020         {
    00021             parent::__construct($segmentId);
    00022
    00023             $this->locker = SemaphorePool::me();
    00024         }
    00025
    00026         public function drop()
    00027         {
    00028             return apc_delete($this->id);
    00029         }
    00030
    00031         protected function getMap()
    00032         {
    00033             $this->locker->get($this->id);
    00034
    00035             if (!$map = apc_fetch($this->id)) {
    00036                 $map = array();
    00037             }
    00038
    00039             return $map;
    00040         }
    00041
    00042         protected function storeMap(array $map)
    00043         {
    00044             $result = apc_store($this->id, $map, Cache::EXPIRES_FOREVER);
    00045
    00046             $this->locker->free($this->id);
    00047
    00048             return $result;
    00049         }
    00050     }
    00051 ?>