/**
  * @param ReservationItemView $existingReservation
  * @return bool
  */
 public function Handle(ReservationItemView $existingReservation)
 {
     $reservation = $this->repository->LoadById($existingReservation->GetId());
     $reservation->ApplyChangesTo(SeriesUpdateScope::ThisInstance);
     $reservation->Delete(ServiceLocator::GetServer()->GetUserSession());
     $this->repository->Delete($reservation);
     return true;
 }
 public function LoadByInstanceId($reservationInstanceId)
 {
     return $this->_repository->LoadById($reservationInstanceId);
 }