On 10/8/07, Matej Knopp <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I think the onAttach method/concept has serious flaws at the moment.
> It is not called for components inside repeaters on the first render,
> thus it's quite unreliable. And I don't really see an easy way of
> fixing this. Also we should discourage users to move initialization
> code to onAttach(). Rather then that, they should initialize
> everything lazily, such as LoadableDetachableModel does. Not to
> mention that internalAttach2 traverses the entire components 3 times
> for no good reason, as the situation when anyone overrides onAttach is
> very rare.
>
> Given this, I propose removal of the onAttach method, but under the
> following conditions:
>
> * Page.onAttach() would still be called, so that it would be possible
> to get the notification right before page is accessed (pulled out of
> session/sessionstore). Also when user needs to notify components, this
> would be a way to go (putting a visitor inside).
>
> * We could rename Page.onAttach to Page.onPageAttached() and make
> onAttach final with explainatory javadoc, so that users would know why
> they can't override the method anymore.
>
> * We would provide convenience methods markAttach and isAttached in
> case users decide to implement the onAttach methods.
>
> As for vote:
>
> [ X ] Remove onAttach()
>
> [    ] Keep onAttach(), because...
>
> Thanks.
> -Matej
>

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