ReservationDaoImpl.java 文件源码

@Override
public Reservation findSingleReservByThisDate(String Date) {
    Reservation theReservation = null;
    try {
        session = dataSourceFactory.getSessionFactory().openSession();
        beginTransactionIfAllowed(session);
        Query<Reservation> query = session.createQuery("from Reservation where checkinDate=:Date", Reservation.class);
        query.setParameter("Date", Date);
        theReservation = query.getSingleResult();

        logging.setMessage("ReservationDaoImpl -> fetching reservation by date...");

    } catch (NoResultException e) {
        final InformationFrame frame = new InformationFrame();
        frame.setMessage("There is no reservation at this date!");
        frame.setVisible(true);
    } finally {
        session.close();
    }
    return theReservation;
}