PaymentDaoImpl.java 文件源码

@Override
public Payment getEarlyPaymentByRoomNumber(String number) {
    Payment thePayment = null;
    try {

        session = dataSourceFactory.getSessionFactory().openSession();
        beginTransactionIfAllowed(session);
        Query<Payment> query = session.createQuery(
                "from Payment where roomNumber = :theRoomNumber and title = 'EARLY PAYMENT'", Payment.class);
        query.setParameter("theRoomNumber", number);
        query.setMaxResults(1);
        thePayment = query.getSingleResult();

        logging.setMessage("PaymentDaoImpl -> fetching early payment by room number...");

    } catch (NoResultException e) {
        logging.setMessage("PaymentDaoImpl Error ->" + e.getLocalizedMessage());
    } finally {
        session.close();
    }
    return thePayment;
}