Flatenning statecharts



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Ivan Porres (iporres@abo.fi)
Tue, 6 Nov 2001 09:35:29 +0200


Dear UML scholars, We have been thinking about flattening UML statecharts, i.e. removing hierarchy, orthogonal regions etc. By flattening UML statechart we do not mean converting a UML statechart into a finite-state automaton, but to another statechart that only uses the "simpler" model elements. In the <<UML>> conference in Toronto, people seemed to agree that you cannot always flatten UML statecharts. However, We can't really think of an example where you cannot flatten a composite state with orthogonal regions by taking the Cartesian product of the substates (and arranging transitions accordingly). Can anyone give such an example or pointers to papers that discuss this? Regards, Dag and Ivan --- Ivan Porres iporres@abo.fi http://www.abo.fi/~iporres Lemminkaisenkatu 14A - FIN-20520 Turku Finland Phone +358-2-2153463 Fax: +358-2-2410154


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