private function prepareSessionData(Session $session, $request)
 {
     $session->setName($request->get('name', $session->getName()));
     $session->setMrX($request->get('mrX', $session->getMrX()));
     $session->setStatusCode($request->get('status', $session->getStatusCode()));
     $session->setCauser($request->get('causer', $session->getCauser()));
     return $session;
 }