RE: [Springframework-developer] SWF - Creating HTTP sessions - Feedback needed

[Keith D. <ke...@in...>]

Yes, so a HttpSessionFlowExecutionStorage would use the HttpSession, a
HttpRequestFlowExecutionStorage would use the request, for example.  The
latter would also have to know how to reconstruct the FlowExecution soley
from the request parameters, while the former would just pull an existing
instance from the HttpSession given the flowExecutionId in the input Event.

Keith

-----Original Message-----
From: spr...@li...
[mailto:spr...@li...] On Behalf Of
Seth Ladd
Sent: Thursday, March 31, 2005 7:56 PM
To: spr...@li...
Subject: Re: [Springframework-developer] SWF - Creating HTTP sessions -
Feedback needed

On Thu, 31 Mar 2005 19:46:42 -0500, Keith Donald <ke...@in...>
wrote:
> Seth,
> 
> Excellent idea.
> 
> If we extract an interface from the HttpServletExecutionManager, we get
> something like:
> 
> public interface FlowExecutionStorage {
>     public FlowExecution loadFrom(Event inputEvent);
>     public void saveOrUpdate(FlowExecution flowExecution);
>     public void remove(FlowExecution flowExecution);
> }
> 
> Or something like that.  Erwin what do you think? Need to think about it
> more.  I imagine here the FlowExecutionStack would have to be
reconstructed
> from the Event parameters, for example: http request parameters, in an
http
> servlet environment.  It also has to be rehydrated with services on
> deserialization as well, including the FlowLocator and its
> FlowExecutionListenerList.


Keith,

Just so I'm clear... this isn't to replace the concept and purpose of
the HttpSession?  This is just to provide a way to get the state info
of the flow into the request to avoid the need for session creation?

Thanks!
Seth


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