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Topic Title: Swimlanes and subactivity diagrams?
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Created On: 2-Jun-2008 14:16
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 2-Jun-2008 14:16
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Stephan Gehring

Posts: 1
Joined: 15-May-2008

Hi,

We are using activity diagrams to describe the behavior of our functional blocks. In a refinement process, we model larger activities as subactivity blocks and break them further down into a hierarchy of activities.

To allocate these activities and subactivities to physical components, we use swimlanes, where a swimlane represents a physical component.

While this works for top-level activity diagrams, Rhapsody apparently does not support swimlanes in subactivity diagrams.

Questions:
1. Is this an implementation restriction of Rhapsody (System Architect, 7.2)?
b) If so, can we expect this to be fixed, say, within a year?
c) If not, what are the reasons why this isn't allowed in UML?
2. What are alternatives to using swimlanes to allocate activities/subactivities?

Thanks and best regards,

Stephan
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 25-Jun-2008 08:53
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Charlie Lane

Posts: 86
Joined: 16-Sep-2005

Hi Stephan,

We have avoided subactivity diagrams for the reasons you indicate. We use reference activity diagrams instead, which can span and include several swimlanes. I'm not entirely sure what it does in code generation --- ours was in SysML/Harmony where the actual code generation was from state charts.
If you use Andy Lapping's Harmony Wizards, recent versions (this year) will contain our amendments to cover reference activity diagrams.

Regards, Charlie
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