Who knows? <<includes>> denotes aggregation of use cases (one use case is
part of another use case) and <<extends>> denotes specialisation (one use
case is a special case of another). You have to be very careful how you use
these, in much the same way as you must be with classes. Having said that,
try building a class model with just loose dependancies and no associations!
Jason Gorman
http://www.xml-objects.com
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Prabhusivakumar
Sent: 02 January 2001 08:47
To: '[EMAIL PROTECTED]'
Subject: (ROSE)Association and Dependency in UseCases
Hi,
Rational tells to use "Unidirectional Association" with stereo type as
<<includes>> or <<extends>> between usecases.
But as per Booch this is a "dependency". I also agree with Booch because if
there is a change in the included usecase the main usecase is bound to get
affected.
But why still Rational recommends the use of Unidirectional Association??
Prabhu
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