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......yes traceability is important whether one uses
iterative approach or not. Occasionally, the usecase view may contain some
business usecases that might be redundant - so in such a case, only
relevant usecases are realized !.... and hence traceability is still maintained.
T.C.Balachandra
The
point of the Use case realisation is to provide a mapping from use cases in
the use case view to the design model in the logical view. This mapping
provides traceability which is important whether an iterative approach is
being used or not.
Usecase realistion view may be used if u r
following iterative model..i,e which helps u to know on which use cases the
work has been performed.Other wise usecase diagram in usecase view and
usecase realistion in logical view are same.
----- Original Message -----
To:
Sent: Wednesday, October 03, 2001
3:18 PM
Subject: RE: (ROSE) UseCase View To
Logical View Mapping
Through use case realizations. Each use
case has a corresponding use case realization. A use case
realization exists in the logical view and demonstrates the design
elements that participate in use case realization. It is a use case
with a stereotype of use case realization. Each use case
realization should have a minimum of three diagrams under
it: Participating classes, Dependencies and Basic
Flow. The use case realizations may also have one or more
alternative flow diagrams. The participating classes diagram is a
class diagam showing the classes from the design model that provide the
functionality to realize the use case. The dependencies diagram is a
class diagram that shows the use case realization, the use case it
realizes and relates them using a realizes relationship. This
diagram is used for the traceability between the use case and its
realization. The basic flow diagram is a sequence diagram showing
how the dynamic relationship between the participating classes in the use
case realization. It shows the functionality required by the use
case. One or more Alternative flow diagrams may be used to show any
other scenarios the may occur for the use case. These diagrams will
also be sequence diagrams.
Hi,
What is the
mapping or how is the mapping fro the Use Case View to the Logical View
done?
Rgds,
Ameeta
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