<?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_Session
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Interface.php 163 2008-01-14 04:40:16Z matt $
 * @since      Preview Release 0.2
 */

/**
 * Zend_Session_SaveHandler_Interface
 * 
 * @category Zend
 * @package Zend_Session
 * @subpackage SaveHandlers
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @see http://us3.php.net/manual/en/function.session-set-save-handler.php
 */
interface Zend_Session_SaveHandler_Interface
{

    /**
     * Open Session - retrieve resources
     *
     * @param string $save_path
     * @param string $name
     */
    public function open($save_path, $name);

    /**
     * Close Session - free resources
     *
     */
    public function close();

    /**
     * Read session data
     *
     * @param string $id
     */
    public function read($id);

    /**
     * Write Session - commit data to resource
     *
     * @param string $id
     * @param mixed $data
     */
    public function write($id, $data);

    /**
     * Destroy Session - remove data from resource for
     * given session id
     *
     * @param string $id
     */
    public function destroy($id);

    /**
     * Garbage Collection - remove old session data older
     * than $maxlifetime (in seconds)
     *
     * @param int $maxlifetime
     */
    public function gc($maxlifetime);

}
