Jake,
I'm not aware of this having been done. It sounds like it would make
another interesting GSoC proposal for the wiki!
With the work on declaratively specifying behavior of derived features
we've also been looking at similar things for the behavior of
EOperations. It would be awfully cool in the long term if one could
invoke operations even on dynamic models and that it would invoke
whatever type of interpreter is associated with the operation's
behavior description....
Cheers,
Ed
Jacob Beard wrote:
Hi all,
I am currently beginning to explore what is possible with Ecore and the
UML2 project. I understand that it is possible to import a UML2 model
to Ecore. In the UML2.0 OMG standard, it is also possible to associate
a Classifier with a component that describes its Behaviour, so either
an Action, Activity, Interaction, or State Machine diagram. State
Machine diagrams are especially useful because you can easily generate
code from them. This is the workflow that I imagine might be possibe:
1. Create your UML model using UML2 Tools. For each Class, you
associate a State Machine which describes its behaviour.
2. Transform your UML model to Ecore using the mdl-to-ecore importer.
3. Generate Java code from your new Ecore model.
4. Use generated Java code to instantiate M0-level entities.
5. Send events into the objects' generic Behaviour API (for example,
Statechart.event(Event evt) ). For each class, the associated
statechart should have been compiled down to executable code, which
then determines how the event is to be handled at the instance level.
Does a facility for this already exist? Specifically, is it possible to
compile the state machines designed using UML2 Tools down into
executable Java code?
If this facility does not already exist, is this something that EMF
might also be interested in as another GSoC project idea? This is not
for myself, but for a colleague of mine who has done similar work in
this domain, although I could definitely see my proposed project
leveraging this facility, for example, for creating a web-based
Statechart editor and simulator.
I would greatly appreciate it if you would let me know what you think.
Thanks,
Jake
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