如果不希望传入一个参数，您可以添加一个方法，客户机可以使用该方法来查询被调用程序的线程ID。

If you don't want to pass in a parameter, you could add a method with which the client can query the thread ID of the called program.

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然而，您可能认为这样是不必要的，并且只会给跟踪输出添加更多混乱，因为您必须将该随机数作为一个参数传递给被调用的程序。

You may, however, decide that this is unnecessary and only adds more clutter to the trace output, given that you have to pass the random number as a parameter to the called programs.

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被调用的程序以一个 XML 文档的形式接收警报相关信息。

The called program is passed information about the alert as an XML document.

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