> This is total bullshit. Rose predates UML by many years and the RUP
> by many more years. I once heard the top Rational management
> acknowledge that the original development of Rose was allowed to
> proceed without the benefit of the original lessons learned in the
> development of other Rational products. The original Rose was Unix
> based and did not do very well. The original Rose for Windows using
> the Booch notation was acquired from another small company (I can't
> remember the name) but it is on the order of 10-12 years ago.
Rose development uses RUP now. It hasn't always done so.
> P.S. I also believe that Use Cases are a tool for discovering
> requirements and do not scale well in describing all the actors'
> interactions with the system for anything but trivial (or at best
> small) systems. Attempting to formalize Use Cases for anything other
> than the major scenarios or discovering the major requirements is not
> a productive use of time. It mostly seems a CYA activity (which I'll
> admit is prevalent in a lot of SW environments, especially DoD
> related environments).
I come from a DoD background, and use cases were neither highly regarded nor
useful to CYA. Discovering major requirements has absolutely been worth my
time so far, and companies that don't do this find themselves in hot water
during integration, and also find it hard to retain people if they don't
feel like they understand what they are all working towards accomplishing.
> The other problem is that Use Cases have a tendency to be
> process-oriented rather than object-oriented. Good OO designers tend
> to understand this and cope with the problem. In other words they
> absorb the information in the Use Cases and produce an OO solution
> that will cope with the current process and allow for future
> unforeseen modifications of the process.
I am a "good OO designer" and I find use cases invaluable. Use cases
capture requirements not design. How I design is based on what I, the
designer, want to do.
--Anthony
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