@Override
public void remove(int id) {
Payment payment = em.find(Payment.class, id);
if (payment != null) {
em.remove(payment);
log.debug("The payment with id=" + payment.getId() + " has been removed.");
}
}
@Override
public void save(Payment payment) {
if (payment.getId() == 0) {
em.persist(payment);
log.debug("The payment with id=" + payment.getId() + " has been persisted.");
} else {
em.merge(payment);
log.debug("The payment with id=" + payment.getId() + " has been merged.");
}
}