>
> I am looking for the best way to initialize a session variable(@Persist)
> in
> a page render request once, so I could access it in the next action
> request.
>
>
I can't tell you why pageAttached doesn't work (haven't tried it) but you
can use onActivate, or if it's for a form onPrepare.
Josh
On Nov 19, 2007 12:15 PM, jeffrey ai <[EMAIL PROTECTED]> wrote:
>
> Hi Folks,
>
> I am looking for the best way to initialize a session variable(@Persist)
> in
> a page render request once, so I could access it in the next action
> request.
>
> I tried to put the logic into "pageAttached" method like below:
> ====
> @Persist
> private xxx myVar;
>
> @SuppressWarnings(value = "unused")
> private void pageAttached()
> {
> if (myVar == null) initializeVar();
> }
> ====
>
> It doesn't work as I expected. myVar is always null in "pageAttached"
> method. It seems the "pageAttached" method is not supposed to mutate a
> persistent variable.
>
> However, if I put this logic into some other place like below, it works
> fine.
> ====
> @Persist
> private xxx myVar;
>
> public String getSomeOtherVar()
> {
> if (myVar == null) initializeVar();
> return someOtherVar;
> }
> ====
>
> Although it works, apparently, this is not a good place.
> Is there a better place to do session variable initialization?
> I believe it should not be put into constructor too because it will be
> viewable to other sessions.
>
> Thanks,
> Jeffrey Ai
> --
> View this message in context:
> http://www.nabble.com/How-to-initialize-a-session-variable-in-a-page-render-request--tf4839139.html#a13844361
> Sent from the Tapestry - User mailing list archive at
> Nabble.com<http://nabble.com/>
> .
>
>
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