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Synchronous Message (State)
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| A synchronous message (state) is a visual synonym of a synchronous message. It adds no additional semantics; it is simply an example of the synchronous message adapted for use on a timing diagram. This usage of the synchronous message has the same form as a synchronous message used on other interaction diagrams: a solid line with a solid arrowhead directed from one lifeline to another (possibly reflexive). It is listed separately because the message ends give it a different appearance from other examples. The points on the execution occurrence, where the synchronous messages end, represent event occurrences and are important events in a lifeline. There is a single form of presentation in the three different types of interaction diagrams and the two different presentations of the timing diagram. |
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