/**
* Loads the cache entries from the given backend using the given storageId.
*
* @param Backend $storage
* @param $storageId
*/
public function __construct(Backend $storage, $storageId)
{
$this->storage = $storage;
$this->storageId = $storageId;
$content = $storage->doFetch($storageId);
if (is_array($content)) {
$this->content = $content;
}
}
/**
* Fetches an entry from the cache.
*
* Make sure to call the method {@link has()} to verify whether there is actually any content set under this
* cache id.
*
* @param string $id The cache id.
* @return mixed
*/
public function fetch($id)
{
return $this->backend->doFetch($id);
}