UML 2.0 activity diagrams



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From: Jan Ju''rjens (juerjens@in.tum.de)
Date: Sun 23 May 2004 - 16:59:38 BST


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Hi,

in UML 1.x, activity diagrams were, technically, defined as a special
case of statecharts (with different notation).

In UML 2.0, activity diagrams are defined more liberally using a
token-flow semantics (for example, forks and joins don't have to match
any more).

One would hope that this is done in a way that preserves back-ward
compatibility, which would mean: the semantics of a UML 2.0 activity
diagram which is also a well-defined activity diagram in UML 1.5 is
logically equivalent to its UML 1.5 semantics.

Does anyone have any information as to whether this might be true ?

Thanks a lot !

Jan

- --
Software & Systems Engineering, TU Mu"nchen  -  tel. +49 89 289-17338
http://www4.in.tum.de/~juerjens  -  mobile +49 179 8804051
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