What if, in the point-to-point interaction pattern between the requester and publisher mediation, the requester already uses a publish/subscribe interaction pattern, as shown in Figure 2?

在请求者和发布者中介之间的点到点交互模式中，如果请求者已经使用发布/订阅交互模式（如图 2 所示），该如何呢？

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Or perhaps more importantly, what if you have an existing piece of business logic you want to be a publisher, even if it is currently implemented with a point-to-point interaction pattern?

或者，更重要的也许是，如果您具有一个现有的业务逻辑，尽管该业务逻辑当前使用点到点交互模式来实现，但您想将该业务逻辑作为发布者，您该怎么做呢？

youdao

Or perhaps more importantly, what if you have an existing piece of business logic you want to be a publisher, even if it is currently implemented with a point-to-point interaction pattern?

或者，更重要的也许是，如果您具有一个现有的业务逻辑，尽管该业务逻辑当前使用点到点交互模式来实现，但您想将该业务逻辑作为发布者，您该怎么做呢？

youdao