@Override
    public void annuler(Session session,
        ReservationDTO reservationDTO) throws InvalidHibernateSessionException,
        InvalidDTOException,
        ServiceException {
        if(session == null) {
            throw new InvalidHibernateSessionException("La session ne peut être null");
        }
        if(reservationDTO == null) {
            throw new InvalidDTOException("La réservation ne peut être null");
        }
        final ReservationDTO uneReservationDTO = getReservation(session,
            reservationDTO.getIdReservation());

        deleteReservation(session,
            uneReservationDTO);
    }