GuestFeedbackService.java 文件源码

public void createNewGuestFeedback(GuestFeedback feedback) {
    try {
        entityManager.getTransaction().begin();
        entityManager.persist(feedback);
        entityManager.getTransaction().commit();
    } catch (PersistenceException e) {
        entityManager.getTransaction().rollback();
        throw e;
    }
}