On Tue, 2 Apr 2002, Bob Lee wrote:
> Date: Tue, 2 Apr 2002 11:18:42 -0600
> From: Bob Lee <[EMAIL PROTECTED]>
> Reply-To: Struts Developers List <[EMAIL PROTECTED]>
> To: Struts Developers List <[EMAIL PROTECTED]>
> Subject: Re: Session Scope Question
>
> That's what I was afraid of. Is it possible to manually control which action
> form instance gets used? For example, rather than pass all of the data from
> page to page, pass an instance id that gets created when the user first
> enters the form.
>
There is no machinery to do this for session-based form beans, and it
would be very complex to implement (how do you tell each individual
request accessing the same session which id to use?). That's why I
continue to encourage using request-based form beans instead, because each
request gets it's own instance -- the fact that the name is the same does
not matter.
> Thanks,
> Bob
Craig
>
> ----- Original Message -----
> From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
> To: "Struts Developers List" <[EMAIL PROTECTED]>
> Sent: Tuesday, April 02, 2002 11:04 AM
> Subject: Re: Session Scope Question
>
>
> >
> >
> > On Tue, 2 Apr 2002, Bob Lee wrote:
> >
> > > Date: Tue, 2 Apr 2002 10:24:50 -0600
> > > From: Bob Lee <[EMAIL PROTECTED]>
> > > Reply-To: Struts Developers List <[EMAIL PROTECTED]>
> > > To: Struts Developers List <[EMAIL PROTECTED]>
> > > Subject: Session Scope Question
> > >
> > > The user guide says that if you use "session" scope, Struts will use the
> > > "name" attribute from the "form-bean" element to key the instance. Does
> > > Struts add something else to the key to prevent concurrent modification?
> For
> > > example, if the user has two windows open and starts two different
> instances
> > > of the same form, will the two instances modify the same ActionForm
> instance
> > > in the session?
> > >
> >
> > No -- you've got the same multithread issues here that you do with
> > session-scoped attributes in general. If your app is going to have cases
> > where the same form bean is used on more than one frame (or window) at the
> > same time, in the same session, I'd definitely architect things to use
> > request scope instead.
> >
> > > Thanks,
> > > Bob
> > >
> >
> > Craig
> >
> >
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> >
>
>
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