<?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_Memory * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Interface.php 24593 2012-01-05 20:35:02Z matthew $ */ /** * Memory value container interface * * @category Zend * @package Zend_Memory * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ interface Zend_Memory_Container_Interface { /** * Get string value reference * * _Must_ be used for value access before PHP v 5.2 * or _may_ be used for performance considerations * * @return &string */ public function &getRef(); /** * Signal, that value is updated by external code. * * Should be used together with getRef() */ public function touch(); /** * Lock object in memory. */ public function lock(); /** * Unlock object */ public function unlock(); /** * Return true if object is locked * * @return boolean */ public function isLocked(); }