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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_Cache
*/
namespace Zend\Cache\Storage;
use Zend\Cache\Exception;
use Zend\ServiceManager\AbstractPluginManager;
/**
* Plugin manager implementation for cache storage adapters
*
* Enforces that adapters retrieved are instances of
* StorageInterface. Additionally, it registers a number of default
* adapters available.
*
* @category Zend
* @package Zend_Cache
* @subpackage Storage
*/
class AdapterPluginManager extends AbstractPluginManager
{
/**
* Default set of adapters
*
* @var array
*/
protected $invokableClasses = array(
'apc' => 'Zend\Cache\Storage\Adapter\Apc',
'dba' => 'Zend\Cache\Storage\Adapter\Dba',
'filesystem' => 'Zend\Cache\Storage\Adapter\Filesystem',
'memcached' => 'Zend\Cache\Storage\Adapter\Memcached',
'memory' => 'Zend\Cache\Storage\Adapter\Memory',
'xcache' => 'Zend\Cache\Storage\Adapter\XCache',
'wincache' => 'Zend\Cache\Storage\Adapter\WinCache',
'zendserverdisk' => 'Zend\Cache\Storage\Adapter\ZendServerDisk',
'zendservershm' => 'Zend\Cache\Storage\Adapter\ZendServerShm',
);
/**
* Do not share by default
*
* @var array
*/
protected $shareByDefault = false;
/**
* Validate the plugin
*
* Checks that the adapter loaded is an instance of StorageInterface.
*
* @param mixed $plugin
* @return void
* @throws Exception\RuntimeException if invalid
*/
public function validatePlugin($plugin)
{
if ($plugin instanceof StorageInterface) {
// we're okay
return;
}
throw new Exception\RuntimeException(sprintf(
'Plugin of type %s is invalid; must implement %s\StorageInterface',
(is_object($plugin) ? get_class($plugin) : gettype($plugin)),
__NAMESPACE__
));
}
}
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