/** {@inheritDoc} */
 @Override
 public void deleteAppointementByEventID(String eventID) {
   appointmentRepository.deteteAppointmentByEventID(eventID);
 }
 /** {@inheritDoc} */
 @Override
 public boolean updateAppointmentByEventID(Appointment bnsObjAppointment) {
   return appointmentRepository.updateAppointmentByEventID(bnsObjAppointment);
 }
 /** {@inheritDoc} */
 @Override
 public List<Appointment> findAllApointments() {
   return appointmentRepository.findAllApointments();
 }
 /** {@inheritDoc} */
 @Override
 public void addAppointment(Appointment bnsObjAppointment) {
   appointmentRepository.addAppointment(bnsObjAppointment);
 }