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<?php
namespace Flying\Struct\Storage;
use Doctrine\Common\Cache\Cache;
use Flying\Struct\ConfigurationManager;
/**
* Implementation of structures storage backend using structures cache
*/
class CacheBackend implements BackendInterface
{
* Cache to use as a storage
*
* @var Cache
private $cache;
* Load information by given key from storage
* @param string $key
* @return mixed
public function load($key)
$contents = $this->getCache()->fetch($key);
if ($contents === false) {
return null;
}
return $contents;
* Get cache to use as storage
* @return Cache
protected function getCache()
if (!$this->cache) {
$this->cache = ConfigurationManager::getConfiguration()->getCache();
return $this->cache;
* Save given contents into storage
* @param mixed $contents
* @return void
public function save($key, $contents)
$this->getCache()->save($key, $contents);
* Check if storage has an entry with given key
* @return boolean
public function has($key)
return $this->getCache()->contains($key);
* Remove storage entry with given key
public function remove($key)
$this->getCache()->delete($key);
* Clear storage contents
public function clear()
// Cache doesn't have such function
FlyingDR /
struct
