这样，即使 Bob 当前没有使用门户（例如，他可能在阅读门户页面上新酒店的综合评价），您也可以通知他即将到来的会议。

So, you could inform Bob about an upcoming meeting, even if he is not currently working with the portal (for example, he could be reading a comprehensive review of a new hotel on a portal page).

youdao

藉由这个新的接口，开发人员可以实现service异步调用过程中的细粒度通知，但它并没有提供Callback类中的轮询机制。

This new interface allows for finer grained notifications during the asynchronous invocation of a service, but it does not provide the polling mechanism formerly found in the Callback class.

youdao

你没有必要把你已有的Spring MethodInterceptors或者其他的通知实现迁移到新的编程模型：它们仍然能工作的很好。

You don't need to migrate your existing Spring MethodInterceptors or other advice implementations to the new programming model: they will still work fine.

youdao