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JavaRanch » Java Forums » Certification » Architect Certification (SCEA/OCMJEA)
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sequence diagrams

Prabhul Dev
Greenhorn

Joined: Nov 04, 2003
Posts: 1
Hi
how would one careate a sequence diagram for a usecase A that extends another usecase B. Can we just include the related objects of usecase B in sequence diagram of usecase A
Thanx
noel angel
Ranch Hand

Joined: Oct 27, 2002
Posts: 75
Hi,
For Readability, I would put the extended use case in a separate diagram and refer to the other diagram with a note. In Rose you can link the other diagram through the note. Communication is the key. If the sequence diagram gets too complex to communicate well than find a better way to communicate your ideas.
Also, avoid repeating the same sequence in every diagram.... for example the logon sequence which can be accomplished at different places in systems.

Noel
SCJP, SCWCD, SCEA(PART1)
patrick jiang
Ranch Hand

Joined: May 28, 2003
Posts: 39
I saw a lot of messages here talking about seperate a big sequence diagram into 2 or more diagrams. And some guys talk about "Notes" to connect the diagrams together.
But, I wander how it can be. Say, I have a big sequence diagram. If I divid it into 2 diagram. There would be many "message" line between these 2 diagram. And, how can I put the information in those diagrams?
rethna pillai
Greenhorn

Joined: Sep 18, 2003
Posts: 25
Can somebody explain how we can draw(using rational rose) alternate scanerios in the sequence diagram and how to show change of focus of control from one sequence diagram to another..
Appreciate your response.
Thanks,
 
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