public List<MeetingRequest> findMeetingRequest(String aFieldName, Object aFieldValue) {
   return meetingRepository.find(aFieldName, aFieldValue);
 }
 public void updateMeetingRequest(MeetingRequest aRequest) {
   meetingRepository.update(aRequest);
 }
 public void removeMeetingRequest(MeetingRequest aRequest) {
   meetingRepository.remove(aRequest);
 }
 public void insertMeetingRequest(MeetingRequest aRequest) {
   meetingRepository.insert(aRequest);
 }