Both of these stateful relationships, between successive invocations and between request and response are relevant to SOA service design.
这两个有状态关系(连续的调用之间和请求与响应之间的关系)都与SOA服务设计有关。
Its blue shading indicates that it carries along metadata relevant to the specific target service the application invokes once the data is handled.
其蓝色的阴影指示,对数据进行了处理后,其将随与应用程序调用的特定目标服务相关的元数据一起传递。
The listener is called only when events relevant to that service occur.
侦听器只有在发生与服务有关的事件时才会得到调用。
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