UserTest.java 文件源码

private boolean persistInATransaction(Object... obj) {
    EntityTransaction tx = em.getTransaction();
    tx.begin();

    try {
        for(Object o : obj) {
            em.persist(o);
        }
        tx.commit();
    } catch (Exception e) {
        System.out.println("FAILED TRANSACTION: " + e.toString());
        tx.rollback();
        return false;
    }

    return true;
}