In this case, our data Binding class transforms the data passed in the native format from a messaging system to a Service data Object (SDO) in an SCA application and vice-versa for a response message.
A service data object is often used to transfer data from one application to another.
服务数据对象通常用于将数据从一个应用程序传输到另一个应用程序。
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Service requestor nodes will often represent a business application component that performs remote procedure calls to a distributed object, the service provider.