Re: Internal transition semantics



Date view Thread view Subject view Author view Attachment view

From: Kinika Tasie-Amadi (kinika@yahoo.com)
Date: Sun 19 Sep 2004 - 00:47:22 BST


 --- Jos Fries <ga-fries@veenendaalnet.nl> wrote: 
> Hi,
> 
> The UML 2.0 Superstructure Specification is quite
> clear in stating that an internal transition
> executes without exiting or re-entering the state in
> which it is defined (and therefore the entry/exit
> actions of that state are not executed).
> 
> In the specification I could not find however what
> happens to the nested states of that state. Suppose
> a state A has a substate A1 and an internal
> transition defined in state A executes, are the
> entry/exit actions on state A1 then executed ?
> 

in a word, no.

the concept of state entry/exit does not apply to
internal transitions, which is why they do not result
in *any* entry/exit actions.

> Best regards,
> 
> Jos 


	
	
		
___________________________________________________________ALL-NEW Yahoo! Messenger - all new features - even more fun!  http://uk.messenger.yahoo.com

Date view Thread view Subject view Author view Attachment view