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From "Adam Winer" <awi...@gmail.com>
Subject Re: What does CHANGE_PERSISTENCE parameter mean?
Date Fri, 23 Jun 2006 17:18:31 GMT
Yes, generally the component (or the renderer) will decide that
it wants some state persisted.

-- Adam


On 6/23/06, Cosma Colanicchia <cosmacol@gmail.com> wrote:
>
> Thanks for the explanation.
>
> It makes sense for *some* of a component's state to be persisted even
> when the user navigate to other pages. Is the component itself that
> have to declare which state it wants to be managed this way?
>
> I'm just curious about how this works :)
>
> Cosma
>
>
> 2006/6/16, Adam Winer <awiner@gmail.com>:
> > Cosma,
> >
> > It's a different set of state.  The component state that's normally
> > saved vaporizes once you navigate off to another page.  Mostly,
> > that's a good thing - most of that state shouldn't be preserved.
> >
> > But, say you had a table that supported drag-and-drop column
> > reordering. You'd want that reordering to still be there for that
> > user when coming back to that page.  That's what the
> > ChangeManager is for.
> >
> > -- Adam
> >
> >
> > On 6/16/06, Cosma Colanicchia <cosmacol@gmail.com> wrote:
> > > Thank you Adam and Matthias.
> > >
> > > @Adam: your example of showDetail/tree make me think about the
> > > component tree state, the one that can is normally saved in session or
> > > serialized on the page. Are we talking about the same "state" or is it
> > > a different thing?
> > >
> > >
> > > Cosma
> > >
> > >
> > >
> > > 2006/6/16, Matthias Wessendorf <matzew@apache.org>:
> > > > Cosma-
> > > >
> > > > based on Adam's mail I added something more the web.xml file
> > > > from the demo app ([1]).
> > > >
> > > > -Matthias
> > > >
> > > > [1] http://tinyurl.com/qxbtv
> > > >
> > > > On 6/15/06, Adam Winer <awiner@gmail.com> wrote:
> > > > > Yeah, it's kind of undocumented.  Basically, it's for plugging
> > > > > a "ChangeManager", which is an API that can persist component
> > > > > modifications (like, is a showDetail or tree expanded or
> collapsed?)
> > > > > across requests.
> > > > >
> > > > > -- Adam
> > > > >
> > > > >
> > > > > On 6/15/06, Cosma Colanicchia <cosmacol@gmail.com> wrote:
> > > > > > Hi,
> > > > > >
> > > > > > anyone can explain me what is the effect of setting the
> > > > > > org.apache.myfaces.adf.CHANGE_PERSISTENCE context parameter?
I
> can't
> > > > > > find any documentation about this..
> > > > > >
> > > > > > Thanks in advance
> > > > > > Cosma
> > > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Matthias Wessendorf
> > > > Aechterhoek 18
> > > > 48282 Emsdetten
> > > > blog: http://jroller.com/page/mwessendorf
> > > > mail: mwessendorf-at-gmail-dot-com
> > > >
> > >
> >
>

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