Rails - May 2009 - Question about state during subsequent calls of an action

Hi!

i''m developing a rails application for a university assignment.
i''ll
spare you the details as i think my question is much more general.

i have a model, called TreasureHunt, which contains a class variable,
@@idno, and a reader class method, TreasureHunt.idno.
in the initializer, i increment the @@idno variable, to keep track of
the number of objects instantiated.

then i have a controller, treasurehunt_controller, with an action,
called load, which does some things (loads a treasurehunt and blah
blah blah). in the load method, i create a treasurehunt object, thus
supposedly incrementing the @@idno variable.

the problem is i''m not (incrementing the variable).

when i debug the app (using a flash that gets displayed in my layout),
the @@idno variable is always 1, even after subsequent calls of the
load action.

does anybody know why?

do i need to store that state somewhere else?
i''m pretty confused.

thanks
asy

On May 20, 2:14 pm, asymmetric
<oxy...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> then i have a controller, treasurehunt_controller, with an action,
> called load, which does some things (loads a treasurehunt and blah
> blah blah). in the load method, i create a treasurehunt object, thus
> supposedly incrementing the @@idno variable.
>
> the problem is i''m not (incrementing the variable).
>
> when i debug the app (using a flash that gets displayed in my layout),
> the @@idno variable is always 1, even after subsequent calls of the
> load action.
>
> does anybody know why?
in development mode classes are reloaded between requests, so on the
second request you get a brand new TreasureHunt class, with a brand
new @@idno variable

Fred
>
> do i need to store that state somewhere else?
> i''m pretty confused.
>
> thanks
> asy

that was exactly the kind of answer i was looking for.. thanks a lot!

asymmetric

On May 20, 4:40 pm, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On May 20, 2:14 pm, asymmetric
<oxy...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > then i have a controller, treasurehunt_controller, with an action,
> > called load, which does some things (loads a treasurehunt and blah
> > blah blah). in the load method, i create a treasurehunt object, thus
> > supposedly incrementing the @@idno variable.
>
> > the problem is i''m not (incrementing the variable).
>
> > when i debug the app (using a flash that gets displayed in my layout),
> > the @@idno variable is always 1, even after subsequent calls of the
> > load action.
>
> > does anybody know why?
>
> in development mode classes are reloaded between requests, so on the
> second request you get a brand new TreasureHunt class, with a brand
> new @@idno variable
>
> Fred
>
>
>
> > do i need to store that state somewhere else?
> > i''m pretty confused.
>
> > thanks
> > asy