public boolean chackUnique(UserDO user) {
        Assert.assertNotNull(user);
        int count = (Integer) getSqlMapClientTemplate().queryForObject("checkUserUnique", user);
        return count == 0 ? true : false;
    }
TODO Comment of IbatisUserDAO

@author simon
manager/biz/src/main/java/com/alibaba/otter/manager/biz/user/dal/ibatis/IbatisUserDAO.java