[Year 12 SofDev] Use Case Diagrams - Generalisations?

[Mark]

Hi Ben. Generalisations are not required key knowledge for SD.


On 6 March 2013 17:09, Ben Hines <b.hines at ccg.vic.edu.au> wrote:

>  Hey SD listers,****
>
> ** **
>
> I’m just wondering if anyone out there has been teaching the students to
> the generalisation arrows when making use case diagrams. I haven’t been,
> but I feel like I’m using the extend relationship, when I really should be
> using the generalisation one. For example the base use case is “Log in” and
> the specialisations would be “Log in as admin” and “Log in as user”.****
>
> ** **
>
> Since if you use extend in this situation you should be able to use the
> “Log in” use case on its own, however it doesn’t make sense without the
> specialisations because it really is an abstract use case.****
>
> ** **
>
> I’m thinking I might get the students to use the Generalisation arrows in
> these cases, since that what you would do in the real world.****
>
> ** **
>
> Any thoughts?****
>
> ** **
>
> Ben Hines****
>
> ** **
>
>  *Ben Hines
> *Mathematics and ICT Teacher
> Senior Campus
> (03)5241 1577
>
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-- 
--
Mark Kelly
mark AT vceit DOT com
http://vceit.com
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