[Uml-devel] fork/join branch/merge difference

[Jens Krüger]

Am Sonntag, 17. November 2002 23:21 schrieb Luis De la Parra Blum:
> On Friday 15 November 2002 23:40, Jonathan Riddell wrote:
> > Can anyone tell me the difference between a fork/join and a branch/merge
> > in an activity diagram?  They seem to do just the same thing.
>
> after a fork the two (or more) activities run in paralel.. a join waits for
> *all* incommin transitios to be there before goint to the outgoing
> transition.

I think, it must be a "branch" instead of "fork"
> a fork is a "either of" .. it has one or more incomming tranistions, and
> should have a "condition" (if a, then branch 1, if b then branch 2) but
> only one will be executed.
> a merge is an "or", you get to it from one of many different incomming
> transitions, and go to the outgoing transition inmediatly. (no wait,
> because there are no others comming)
>
> luis
>
>
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-- 
Jens Krüger