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framework/thirdparty/Zend/Cache/Backend/ZendServer/Disk.php 2.89 KB
0084d336   Administrator   Importers CRUD
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  <?php
  /**
   * Zend Framework
   *
   * LICENSE
   *
   * This source file is subject to the new BSD license that is bundled
   * with this package in the file LICENSE.txt.
   * It is also available through the world-wide-web at this URL:
   * http://framework.zend.com/license/new-bsd
   * If you did not receive a copy of the license and are unable to
   * obtain it through the world-wide-web, please send an email
   * to license@zend.com so we can send you a copy immediately.
   *
   * @category   Zend
   * @package    Zend_Cache
   * @subpackage Zend_Cache_Backend
   * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
   * @license    http://framework.zend.com/license/new-bsd     New BSD License
   * @version    $Id: Disk.php 23775 2011-03-01 17:25:24Z ralph $
   */
  
  
  /** @see Zend_Cache_Backend_Interface */
  require_once 'Zend/Cache/Backend/Interface.php';
  
  /** @see Zend_Cache_Backend_ZendServer */
  require_once 'Zend/Cache/Backend/ZendServer.php';
  
  
  /**
   * @package    Zend_Cache
   * @subpackage Zend_Cache_Backend
   * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
   * @license    http://framework.zend.com/license/new-bsd     New BSD License
   */
  class Zend_Cache_Backend_ZendServer_Disk extends Zend_Cache_Backend_ZendServer implements Zend_Cache_Backend_Interface
  {
      /**
       * Constructor
       *
       * @param  array $options associative array of options
       * @throws Zend_Cache_Exception
       */
      public function __construct(array $options = array())
      {
          if (!function_exists('zend_disk_cache_store')) {
              Zend_Cache::throwException('Zend_Cache_ZendServer_Disk backend has to be used within Zend Server environment.');
          }
          parent::__construct($options);
      }
  
      /**
       * Store data
       *
       * @param mixed  $data        Object to store
       * @param string $id          Cache id
       * @param int    $timeToLive  Time to live in seconds
       * @return boolean true if no problem
       */
      protected function _store($data, $id, $timeToLive)
      {
          if (zend_disk_cache_store($this->_options['namespace'] . '::' . $id,
                                    $data,
                                    $timeToLive) === false) {
              $this->_log('Store operation failed.');
              return false;
          }
          return true;
      }
  
      /**
       * Fetch data
       *
       * @param string $id          Cache id
       */
      protected function _fetch($id)
      {
          return zend_disk_cache_fetch($this->_options['namespace'] . '::' . $id);
      }
  
      /**
       * Unset data
       *
       * @param string $id          Cache id
       * @return boolean true if no problem
       */
      protected function _unset($id)
      {
          return zend_disk_cache_delete($this->_options['namespace'] . '::' . $id);
      }
  
      /**
       * Clear cache
       */
      protected function _clear()
      {
          zend_disk_cache_clear($this->_options['namespace']);
      }
  }