dreamjob/lib/Cake/Model/Datasource/Session/CacheSession.php

90 lines
2.5 KiB
PHP

<?php
/**
* Cache Session save handler. Allows saving session information into Cache.
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.Model.Datasource.Session
* @since CakePHP(tm) v 2.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
App::uses('Cache', 'Cache');
App::uses('CakeSessionHandlerInterface', 'Model/Datasource/Session');
/**
* CacheSession provides method for saving sessions into a Cache engine. Used with CakeSession
*
* @package Cake.Model.Datasource.Session
* @see CakeSession for configuration information.
*/
class CacheSession implements CakeSessionHandlerInterface {
/**
* Method called on open of a database session.
*
* @return boolean Success
*/
public function open() {
return true;
}
/**
* Method called on close of a database session.
*
* @return boolean Success
*/
public function close() {
return true;
}
/**
* Method used to read from a database session.
*
* @param string $id The key of the value to read
* @return mixed The value of the key or false if it does not exist
*/
public function read($id) {
return Cache::read($id, Configure::read('Session.handler.config'));
}
/**
* Helper function called on write for database sessions.
*
* @param integer $id ID that uniquely identifies session in database
* @param mixed $data The value of the data to be saved.
* @return boolean True for successful write, false otherwise.
*/
public function write($id, $data) {
return Cache::write($id, $data, Configure::read('Session.handler.config'));
}
/**
* Method called on the destruction of a database session.
*
* @param integer $id ID that uniquely identifies session in cache
* @return boolean True for successful delete, false otherwise.
*/
public function destroy($id) {
return Cache::delete($id, Configure::read('Session.handler.config'));
}
/**
* Helper function called on gc for cache sessions.
*
* @param integer $expires Timestamp (defaults to current time)
* @return boolean Success
*/
public function gc($expires = null) {
return Cache::gc(Configure::read('Session.handler.config'), $expires);
}
}