Nservice总线…发布者订阅者正在筛选订阅者
[英]Nservice bus … Publisher subscriber Filtering subscribers
问题描述
I am beginner in Nservice bus I have an webapplication and a desktop windows applicaton the web application will publish some events and the desktop windows will subscribe to receive that events. 
我是Nservice总线的初学者，我有一个Web应用程序和一个桌面窗口，该Web应用程序将发布一些事件，而桌面窗口将订阅以接收该事件。
The windows application will be installed on multiple different machines and i imagin that every instance will act as subscriber. Windows应用程序将安装在多台不同的计算机上，我想每个实例都将充当订户。
each instance would be used by different user , the user would not be intrested in receiving everything ,he should receive the message only depending on his category . 每个实例将由不同的用户使用，用户不会被吸引接收所有内容，他应该仅根据他的类别接收消息。
is it possible to filter the subscribers who should recieve this message before publishing it in case they already subscribed 如果他们已经订阅了，是否有可能在发布之前过滤应该接收此消息的订阅者
1 个解决方案
解决方案1
0 已采纳 2016-04-08 10:29:12
The scenario you are describing is content based routing, not supported in NSB v5.x. 您描述的场景是基于内容的路由，NSB v5.x不支持。
A solution can be to discard of the message in the message handler on the subscriber... 解决方案可以是在订阅服务器上的消息处理程序中丢弃消息。
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