101 lines
2.9 KiB
PHP
101 lines
2.9 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Cache
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* @subpackage Zend_Cache_Backend
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: ShMem.php 23775 2011-03-01 17:25:24Z ralph $
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*/
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/** @see Zend_Cache_Backend_Interface */
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require_once 'Zend/Cache/Backend/Interface.php';
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/** @see Zend_Cache_Backend_ZendServer */
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require_once 'Zend/Cache/Backend/ZendServer.php';
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/**
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* @package Zend_Cache
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* @subpackage Zend_Cache_Backend
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Cache_Backend_ZendServer_ShMem extends Zend_Cache_Backend_ZendServer implements Zend_Cache_Backend_Interface
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{
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/**
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* Constructor
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*
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* @param array $options associative array of options
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* @throws Zend_Cache_Exception
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*/
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public function __construct(array $options = array())
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{
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if (!function_exists('zend_shm_cache_store')) {
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Zend_Cache::throwException('Zend_Cache_ZendServer_ShMem backend has to be used within Zend Server environment.');
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}
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parent::__construct($options);
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}
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/**
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* Store data
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*
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* @param mixed $data Object to store
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* @param string $id Cache id
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* @param int $timeToLive Time to live in seconds
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*
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*/
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protected function _store($data, $id, $timeToLive)
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{
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if (zend_shm_cache_store($this->_options['namespace'] . '::' . $id,
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$data,
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$timeToLive) === false) {
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$this->_log('Store operation failed.');
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return false;
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}
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return true;
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}
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/**
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* Fetch data
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*
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* @param string $id Cache id
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*/
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protected function _fetch($id)
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{
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return zend_shm_cache_fetch($this->_options['namespace'] . '::' . $id);
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}
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/**
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* Unset data
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*
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* @param string $id Cache id
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* @return boolean true if no problem
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*/
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protected function _unset($id)
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{
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return zend_shm_cache_delete($this->_options['namespace'] . '::' . $id);
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}
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/**
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* Clear cache
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*/
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protected function _clear()
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{
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zend_shm_cache_clear($this->_options['namespace']);
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}
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}
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