1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Cache

    17  * @subpackage Zend_Cache_Backend

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  * @version    $Id: Disk.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 

    24 /** @see Zend_Cache_Backend_Interface */

    25 require_once 'Zend/Cache/Backend/Interface.php';

    26 

    27 /** @see Zend_Cache_Backend_ZendServer */

    28 require_once 'Zend/Cache/Backend/ZendServer.php';

    29 

    30 

    31 /**

    32  * @package    Zend_Cache

    33  * @subpackage Zend_Cache_Backend

    34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    35  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    36  */

    37 class Zend_Cache_Backend_ZendServer_Disk extends Zend_Cache_Backend_ZendServer implements Zend_Cache_Backend_Interface

    38 {

    39     /**

    40      * Constructor

    41      *

    42      * @param  array $options associative array of options

    43      * @throws Zend_Cache_Exception

    44      */

    45     public function __construct(array $options = array())

    46     {

    47         if (!function_exists('zend_disk_cache_store')) {

    48             Zend_Cache::throwException('Zend_Cache_ZendServer_Disk backend has to be used within Zend Server environment.');

    49         }

    50         parent::__construct($options);

    51     }

    52 

    53     /**

    54      * Store data

    55      *

    56      * @param mixed  $data        Object to store

    57      * @param string $id          Cache id

    58      * @param int    $timeToLive  Time to live in seconds

    59      * @return boolean true if no problem

    60      */

    61     protected function _store($data, $id, $timeToLive)

    62     {

    63         if (zend_disk_cache_store($this->_options['namespace'] . '::' . $id,

    64                                   $data,

    65                                   $timeToLive) === false) {

    66             $this->_log('Store operation failed.');

    67             return false;

    68         }

    69         return true;

    70     }

    71 

    72     /**

    73      * Fetch data

    74      *

    75      * @param string $id          Cache id

    76      */

    77     protected function _fetch($id)

    78     {

    79         return zend_disk_cache_fetch($this->_options['namespace'] . '::' . $id);

    80     }

    81 

    82     /**

    83      * Unset data

    84      *

    85      * @param string $id          Cache id

    86      * @return boolean true if no problem

    87      */

    88     protected function _unset($id)

    89     {

    90         return zend_disk_cache_delete($this->_options['namespace'] . '::' . $id);

    91     }

    92 

    93     /**

    94      * Clear cache

    95      */

    96     protected function _clear()

    97     {

    98         zend_disk_cache_clear($this->_options['namespace']);

    99     }

   100 }