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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.
*
* @package Zend_Memory
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Interface.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
/**
* Memory value container interface
*
* @category Zend
* @package Zend_Memory
* @copyright Copyright (c) 2005-2009 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();
}
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