I place activity diagrams, sequence diagrams, and state charts associated with a use
case in
the use case model during the initial analysis in an effort to document the use case
description more clearly. These sequence diagrams would not be describing interactions
between instances of classes but would be representative of actors, domains, and early
guesses at objects.
In the logical view in my use case realisation I place the sequence diagrams for a
specific
use case. Within the logical view I'm looking at interactions between actual instances
of
classes and interfaces in the model. I also place my "View of participating classes" in
these use case realisations.
Cheers,
Jeff
"Williamson, Rusty" wrote:
> Hello,
>
> We recently took the Rational OOA&D class which was very good, however, it
> did leave one point of confusion regarding secondary diagrams (activity,
> sequence and statechart diagrams) for use cases. These diagrams show the
> dynamic aspects of use cases (basically more detail regarding the primary
> and secondary scenarios found in the written use case) -- in other words
> they show an external view of 'what' the system does and would seem to me to
> be part of the use-case model. In fact the course material indicates that
> they are part of the use-case model and, the course CD contains an example
> which also shows these diagrams as part of the use-case model. On top of
> this, in Rose, if you right click on a use case, it offers the option to
> create these and, if you take this option, it also places them within the
> use-case model under the related use case.
>
> However (and here's the point of confusion), several students asked the
> instructor where these diagrams belonged and she specifically told them that
> 'now' the convention was to place these diagrams in the Logical View under
> the use case realizations.
>
> Does anyone know anything about this? Are we mistaken, or does Rational now
> say to place these diagrams with the use case realizations in the Logical
> View?
>
> Thanks!
> Rusty
> ------------------------------------------------------------
> Rusty Williamson
> > Sr. Systems Architect
> GERS Retail Systems
> http://www.gers.com/
> The Object Workshop
> http://home.san.rr.com/williamson/
> Home Page
> http://www.znet.com/~rusty/
> ------------------------------------------------------------
>
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--
<X><<>><X><<>><X><<>><X><<>><X><<>><X>
Jeffrey James, Sr Design Engineer
Tait Electronics Ltd.
Christchurch, New Zealand
<X><<>><X><<>><X><<>><X><<>><X><<>><X>
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