ConversationDataAccessObject.java 文件源码

public static Conversations getByClientAndCandidateID(int clientID, int candidateID) throws NoResultException {
    if (clientID > 0 && candidateID > 0) {
        EntityManager em = EMFUtil.getEMFactory().createEntityManager();
        String query = "SELECT c FROM Conversations c WHERE c.clientID = :clientID AND c.candidateID = :candidateID";
        try {
            TypedQuery<Conversations> q = em.createQuery(query, Conversations.class);
            q.setParameter("clientID", clientID);
            q.setParameter("candidateID", candidateID);
            Conversations conversation = q.getSingleResult();
            em.close();
            return conversation;
        } finally {
            if (em.isOpen()) {
                em.close();
            }
        }
    }
    return null;
}