springboot-jpa、hibernate查询返回boolean值

• springboot-jpa、hibernate查询返回boolean值

List<Boolean> has = getSession().createQuery(
                "select COUNT(*) > 0 from OrderEntity e where e.id=:id and e.completionTime is not null", Boolean.class
        ).setParameter("id", orderId).list();
        if (has.get(0))
            return new ResponseResult<>().success("已经支付", true);