Framework components happen to behave like a state machine: input message, output message and component state are part of the model.

框架组件的行为正好类似于状态机：输入消息、输出消息和组件状态是模型的组成部分。

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Remember, you need to let the state machine know which running instance that you are sending the message to.

请记住，您需要让状态机知道您正在将消息发送到哪个运行实例。

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You use the request to send a message to the state machine to trigger a state transition.

您使用请求向状态机发送消息，以触发状态转换。

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