CandidatePersistence.java 文件源码

public static CandidateLoginLogs addLoginLog(Candidates candidate) {
    if (candidate != null) {
        EntityManager em = EMFUtil.getEMFactory().createEntityManager();
        EntityTransaction trans = em.getTransaction();
        CandidateLoginLogs loginLog = new CandidateLoginLogs(candidate.getCandidateID(), Clock.getCurrentDate(),
                Clock.getCurrentTime());
        loginLog.setCandidateID(candidate.getCandidateID());
        try {
            trans.begin();
            em.persist(loginLog);
            trans.commit();
            loginLog.setCandidate(candidate);
            return loginLog;
        } catch (Exception e) {
            e.printStackTrace();
            trans.rollback();
        }
    }
    return null;
}