主处理程序将使用RID标识目标节点并调用适当的处理程序方法。

The main handler USES the RID to identify the target node and calls the appropriate handler method.

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执行程序类经过修改，以便使某个特定服务接收到的每条消息都能使用框架上下文发现适当的调用程序类。

The executor class was modified so that for each message received by a particular service, a suitable invoker class was discovered using the framework context.

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适配器代码仅仅确定要使用的适当的消息处理程序。

The adapter code simply decides the appropriate message handler to be used.

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