/**
* {@inheritDoc}
*
* @param string $key
* @param mixed $data
* @param int $lifetimeInSeconds (Optional)
*
* @return boolean
**/
public function setCache($key, $data, $lifetimeInSeconds = null)
{
return parent::setCache($this->getHierarchicalKey($key), $data, $lifetimeInSeconds);
}
