The Bar Scenario Conversation

At this point we are ready to tackle an entire WSCL interface. Accordingly, the bar conversation is presented in full in Figure 5-18.

We've already covered all of WSCL, so the interface shown in Figure 5-18 doesn't hold any significant surprises. However, there are a number of elements whose function is interesting, particularly those Interaction elements that have multiple possible OutboundXMLMessages and the corresponding Transition elements which possess a SourceInteractionCondition. Take for example the billing aspect of the conversation, which involves the following interactions:

Figure 5-18. The complete WSCL bar conversation.
 <?xml version="1.0" encoding="UTF-8"?> <wscl:Conversation xmlns:wscl="http://www.w3.org/2002/02/wscl10" ...

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