Re: [Boost-users] [statechart ] UML2.0 local transitions and history

From: Andreas Huber (ahd6974-spamgroupstrap_at_[hidden])
Date: 2006-05-14 13:39:53

Hi Tim

> > Ok, I misunderstood how local transitions work. An innermost state where 
> > any of its direct *or* *indirect* outer states define local transitions 
> > behaves as if all those local transitions originated at the state 
> > itself. I guess we'll have to go the sc::local_transition / 
> > sc::simple_state::transit_locally route then...
> 
> It seems I'm the one who misunderstood. I've dug a little deeper and 
> your are right that the difference between local and external is just 
> one level of entry/exit actions. So your approach of adding an 
> intermediate state does work.
> 
>  From the UML specs it's hard to extract the exact definition of a local 
> transition.

I'm still unsure which interpretation is the correct one. The one you had in 
the beginning would make more sense to me. It would be nice to hear a 
clarification from some UML guru on this one.

Regards,

Andreas