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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: AccessController.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
/**
* Zend_Memory_Container_Interface
*/
require_once 'Zend/Memory/Container/Interface.php';
/**
* Memory object container access controller.
*
* Memory manager stores a list of generated objects to control them.
* So container objects always have at least one reference and can't be automatically destroyed.
*
* This class is intended to be an userland proxy to memory container object.
* It's not referenced by memory manager and class destructor is invoked immidiately after gouing
* out of scope or unset operation.
*
* Class also provides Zend_Memory_Container_Interface interface and works as proxy for such cases.
*
* @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
*/
class Zend_Memory_AccessController implements Zend_Memory_Container_Interface
{
/**
* Memory container object
*
* @var Zend_Memory_Container
*/
private $_memContainer;
/**
* Object constructor
*
* @param Zend_Memory_Container_Movable $memoryManager
*/
public function __construct(Zend_Memory_Container_Movable $memContainer)
{
$this->_memContainer = $memContainer;
}
/**
* Object destructor
*/
public function __destruct()
{
$this->_memContainer->destroy();
}
/**
* 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()
{
return $this->_memContainer->getRef();
}
/**
* Signal, that value is updated by external code.
*
* Should be used together with getRef()
*/
public function touch()
{
$this->_memContainer->touch();
}
/**
* Lock object in memory.
*/
public function lock()
{
$this->_memContainer->lock();
}
/**
* Unlock object
*/
public function unlock()
{
$this->_memContainer->unlock();
}
/**
* Return true if object is locked
*
* @return boolean
*/
public function isLocked()
{
return $this->_memContainer->isLocked();
}
/**
* Get handler
*
* Loads object if necessary and moves it to the top of loaded objects list.
* Swaps objects from the bottom of loaded objects list, if necessary.
*
* @param string $property
* @return string
* @throws Zend_Memory_Exception
*/
public function __get($property)
{
return $this->_memContainer->$property;
}
/**
* Set handler
*
* @param string $property
* @param string $value
* @throws Zend_Exception
*/
public function __set($property, $value)
{
$this->_memContainer->$property = $value;
}
}
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