Hi Rusty,
if you look at your system from the external system's point of view, the
messages are indeed visible. Use case narrative and sequence diagrams may
clearify the usage of the messages. Message formats may be specified as
concepts in your domain model.
Class MessageA ------uses------> Class MessageFormatA
Best regards
Lars Ivar Hauschultz
INFOCOM - a company in the Maersk Data Group
Web: www.infocom.dk
-----Original Message-----
From: Williamson, Rusty [mailto:[EMAIL PROTECTED]]
Sent: 21. marts 2001 19:22
To: 'Rose Forum'
Subject: (ROSE) UML question number two
Hello,
We have a situation where we must query tax information from an external
system. We know that this query must be made up certain messages and that
the messages will have certain formats. How does this all pertain to the use
case model? We have made the external system an actor, and we've created a
use case called calculate tax. The specification says that use cases shall
contain only externally visible actions from the actor's point of view. To
we model and specify these messages within the use case model? And how
about the message formats? Where do we specify these?
Thank you for any help that you can give me!
Rusty
---------------------------------------------------------------
Rusty Williamson
Sr. Systems Architect
Corporate Office
GERS, Inc.
10431 Wateridge Circle * San Diego, CA 92121
(800) 854-2263 * CA (858) 457-3888
FAX (858) 484-9237 * Desk (858) 484-9237
E-mail: [EMAIL PROTECTED] * Web http://www.gers.com
"e-Business Solutions for the Consumer-Driven World"
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