EMF 提供了用于图表或相关（或不相关）对象的通用导航模型，并且包含了一个内置的变更通知机制。
The EMF provides a generic navigation model for the graph or related (or unrelated) objects, and contains a built-in change notification mechanism.
这是 JMX 事件通知模型中的通用事件信号类型。
This is the generic event signal type in the JMX events notification model.
为了在服务器进程中注册一个通知侦听器，您可以使用servlet，然后执行与上面一样的通用步骤。
To register a notification listener in the server process, you could use a servlet and perform the same general steps as above.
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