/**
  * Read the data for a particular session identifier from the SessionHandler backend.
  *
  * @param   string $id The session identifier.
  *
  * @throws \Exception
  * @return  string  The session data.
  *
  * @since   2.0
  */
 public function read($id)
 {
     try {
         return $this->db->read($id);
     } catch (\Exception $e) {
         throw $e;
     }
 }