please dont write to me
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: Crain, Anthony R. <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Thursday, February 08, 2001 11:51 AM
Subject: RE: (ROSE) Question About Actors
>
>
> Anthony,
>
> You missed one small point that is crucial in a large distributed
> development system. The concept of scope, a large system that is made up
of
> loosely connected autonomous subsystems which send and receive data
between
> them only as required to perform a function of their own system.
>
> The system supplying the data is an actor to the system requesting the
> data. It is external, developed separately, with different purpose.
>
> To the overall system, which ties all the subsystems together, it is part
> of the process being developed. So, to the team developing application A,
> the control system is merely an actor. To the team developing application
> B, the control system is merely an actor. To the team integrating the
whole
> damn lot together A,B and the control system are just components. Note, B
> and A are not actors of each other as they do not interface directly.
>
> The situation becomes even more complicated when trying to include
> "knowledge" in the control system as this then does not only respond to
> prompt from the subsystems via their actors but can also instigate actions
> on the subsystems.
>
> In conclusion, do what figure out what fits well with your projects needs,
> agree it with your team and get on with it. If it doesn't fit, don't use
> it.
>
> Mark
>
>
>
>
>
> "Crain, Anthony R." <[EMAIL PROTECTED]>@rational.com on 02/07/2001
> 06:39:02 PM
>
> Please respond to "Crain, Anthony R." <[EMAIL PROTECTED]>
>
> Sent by: [EMAIL PROTECTED]
>
>
> To: Colin Gourlay <[EMAIL PROTECTED]>, "'Pankaj
> Chatterjee'"<[EMAIL PROTECTED]>, "Rational Rose Forum
> (E-mail)"<[EMAIL PROTECTED]>
> cc:
>
> Subject: RE: (ROSE) Question About Actors
>
>
>
> Actors are outside the system. The whole purpose of identifying actors is
> to show the boundary of what is in the system and what is outside of the
> system.
>
> The "of value" part of your explanation is good though. And it does not
> conflict with the idea that actors are external.
>
> Stakeholders in RUP are anyone who would be materially affected by the
> system if it were built correctly. But not all stakeholders are actors.
> The difference? Some stakeholders interact with the system, others do
> not. The ones that do are actors, the ones that do not are not. The
> actor name may match up with the stakeholder name, but often do not.
>
> Jane runs a university, and if we build a registration system, she is
> materially affected, thus is a stakeholder. However, there may be no
> requirements that the system directly help her run the university, so
> there would be no use cases for her. Thus she would not be an actor
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