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Subject RE: Shale + SCXML integration:
Date Wed, 30 Aug 2006 18:24:31 GMT
Ok, Thanks, so basically for each user/session we will have a single
instance of the SCXMLExecutor 

-----Original Message-----
From: Rahul Akolkar [] 
Sent: Wednesday, August 30, 2006 6:45 AM
To: Jakarta Commons Users List
Subject: Re: Shale + SCXML integration:

On 8/29/06, THOMAS, JAYANT (SBCSI) <> wrote:
> Thanks, As you can see SCXMLDialogNavigationHandler  is a singleton
> handleNavigation will be accessed by the many users concurrently. if
> use servlet context to store the   SCXMLExecutor, we have single
> instance for all the users so the implementation itself will have
> issues, so which ever framework we use the scxml executor will have
> issues unless we create a new instance for each request or model the
> SCXMLExecutor itself as a controller ,

Not ServletContext (there is no such thing, there is an abstracted out
ExternalContext) -- but the session map (in that example).

> also iam not sure why the
> SCXMLExecutor is not thread safe ??., we cannot use synchronize blocks
> in a servlet request since it will block all the request.
> It will be nice if we can implement the SCXMLExcector as part of the
> Shale framework itself.

I agree.


> Thanks
> Jayant

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