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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\App\Cache\Type;
use Magento\Framework\Cache\Frontend\Decorator\TagScope;
use Magento\Framework\Config\CacheInterface;
/**
* System / Cache Management / Cache type "Configuration"
*/
class Config extends TagScope implements CacheInterface
{
/**
* Cache type code unique among all cache types
*/
const TYPE_IDENTIFIER = 'config';
/**
* Cache tag used to distinguish the cache type from all other cache
*/
const CACHE_TAG = 'CONFIG';
/**
* @var \Magento\Framework\App\Cache\Type\FrontendPool
*/
private $cacheFrontendPool;
/**
* @param \Magento\Framework\App\Cache\Type\FrontendPool $cacheFrontendPool
*/
public function __construct(\Magento\Framework\App\Cache\Type\FrontendPool $cacheFrontendPool)
{
$this->cacheFrontendPool = $cacheFrontendPool;
}
/**
* Retrieve cache frontend instance being decorated
*
* @return \Magento\Framework\Cache\FrontendInterface
*/
protected function _getFrontend()
{
$frontend = parent::_getFrontend();
if (!$frontend) {
$frontend = $this->cacheFrontendPool->get(self::TYPE_IDENTIFIER);
$this->setFrontend($frontend);
}
return $frontend;
}
/**
* Retrieve cache tag name
*
* @return string
*/
public function getTag()
{
return self::CACHE_TAG;
}
}