问Hibernate 5.2使用

EN

    public List findAllRoles() {
    try (Session session = getSessionFactory().openSession()) {
        session.beginTransaction();
        CriteriaBuilder builder = session.getCriteriaBuilder();
        CriteriaQuery<AuthRole> criteria = builder.createQuery(AuthRole.class);
        Root<AuthRole> root = criteria.from(AuthRole.class);
        criteria.select(root);
        List<AuthRole> roleList = session.createQuery(criteria).getResultList();
        session.getTransaction().commit();

        return roleList;
    }
}

    private static final SessionFactory SESSION_FACTORY = buildSessionFactory();

private static SessionFactory buildSessionFactory() {
    final StandardServiceRegistry registry = new StandardServiceRegistryBuilder().configure().build();
    try {
        return new MetadataSources(registry).buildMetadata().buildSessionFactory();
    } catch (Exception e) {
        StandardServiceRegistryBuilder.destroy(registry);
        LOG.error(e, e);
        return null;
    }
}