>On 9/1/05, Craig McClanahan <[EMAIL PROTECTED]> wrote:
>
>> 
>> It's like the difference between reusing common code by refactoring it 
>> into a separate method, and calling it, versus reusing common code by 
>> cut-n-paste. I prefer the former :-). Incidentally, this aspect of dialog's 
>> design came straight from Spring WebFlow, which draws the same sort of 
>> distinction (although they manage per-webflow state quite a lot 
>> differently).
>> 
>
>Of course, right after I pressed Send I thought of an even clearer way to 
>look at it ... the state object of a subdialog is like the local variables 
>stack of a method call that is currently in progress. It's contents are 
>visible *within* that subdialog/method, but not outside.

Just kind of thinking out loud here, Forte TOOL had what I thought was a pretty 
advanced transactional capability that allows you to define a transactional 
unit of work on an object that was not associated with the database.  You could 
populate a plain object; start a transaction and then rollback the state.  The 
unit of work was also coordinated among distributed objects but I thought the 
non distributed object state management was unique.

I'm not sure if this would fit into the context of the dialog transactional 
state, but I wonder if the managed bean name could be used to simulate a 
transactional context.  What about generating a transaction id/token that is 
appended to the managed bean name, a component similar to the Token component 
and a variable resolver?  

Gary



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