/**
  * Loads data for the latest published version of the content identified by
  * $contentId
  *
  * @param mixed $contentId
  *
  * @return array
  */
 public function loadLatestPublishedData($contentId)
 {
     try {
         return $this->innerGateway->loadLatestPublishedData($contentId);
     } catch (DBALException $e) {
         throw new RuntimeException('Database error', 0, $e);
     } catch (PDOException $e) {
         throw new RuntimeException('Database error', 0, $e);
     }
 }