[jsr-314-open] remove method for UI component tree

Dan Allen dan.j.allen at gmail.com
Thu Jun 25 15:25:24 EDT 2009


Just a follow-up to note that I created an issue for this proposal.

https://javaserverfaces-spec-public.dev.java.net/issues/show_bug.cgi?id=580

-Dan

On Mon, Jun 15, 2009 at 2:41 PM, Dan Allen <dan.j.allen at gmail.com> wrote:

>
>
>> So at the surface, it looks like a great way to ensure the user can't go
>> backwards in the application and redo or undo things they shouldn't be
>> allowed to do...
>>
>
> I didn't really envision this mechanism as a way to prevent the user from
> going backwards. There are much less drastic and more elegant ways to deal
> with that problem.
>
>
>> however, I don't think it guarantees this without the developer being
>> really careful.  What it DOES do, is allow a sophisticated developer the
>> ability to cleanup state earlier and make the application much more
>> efficient in how it uses memory.
>>
>
> Yes, that is the idea. It could be a background thread or perhaps a
> navigation hook. The developer would have to be aware of the consequences,
> but I see it more something a framework will leverage. And you could
> serialize access to the tree to ensure it is not invoked prematurely from a
> double click (the waiting thread would be able to react to the tree being
> absent appropriately).
>
> -Dan
>
> --
> Dan Allen
> Senior Software Engineer, Red Hat | Author of Seam in Action
>
> http://mojavelinux.com
> http://mojavelinux.com/seaminaction
> http://in.relation.to/Bloggers/Dan
>
> NOTE: While I make a strong effort to keep up with my email on a daily
> basis, personal or other work matters can sometimes keep me away
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>



-- 
Dan Allen
Senior Software Engineer, Red Hat | Author of Seam in Action

http://mojavelinux.com
http://mojavelinux.com/seaminaction
http://in.relation.to/Bloggers/Dan

NOTE: While I make a strong effort to keep up with my email on a daily
basis, personal or other work matters can sometimes keep me away
from my email. If you contact me, but don't hear back for more than a week,
it is very likely that I am excessively backlogged or the message was
caught in the spam filters.  Please don't hesitate to resend a message if
you feel that it did not reach my attention.
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