Author Topic: Sequence diagram execution occurrence  (Read 886 times)

AlecJames

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Sequence diagram execution occurrence
« on: December 12, 2014, 06:48:13 am »
I'm learning UML / EA and struggling with execution occurrence - the vertical rectangle on the life line.

In the help http://www.sparxsystems.com/enterprise_architect_user_guide/10/standard_uml_models/message_examples.html how do they set the length of the execution occurrence?  e.g. object 3 execution occurrence descends well below callback message, I can't make mine look like that.

Also what is the significance of the rectangle on rectangle notation shown on object 1 and 2 life lines and how do I make EA show this notation?

thanks
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