On Wed, Jan 6, 2010 at 10:51 AM, greekscala <hellectro...@gmail.com> wrote:
> Hello,
>
> David I like the SessionVar Idea and the type safety.
> But as Alex suggests, can I define an object with the fields?
>
Sure.
>
> I think now when I am writing this I think I understand it more :D
> I thought it is not possible to have one object that stores the
> values.
> But the SessionVar knows what user is requesting a value right?
>
Yes. SessionVar and RequestVar are type-safe front ends to session-scoped
or logical request-scoped backing store.
>
> Because SessionVars were always defined inside the snippet class
> I thought the SessionVar gets the context from the snippet class....
>
I rarely define my SessionVars inside snippets... I usually make them
top-level scope. I like Alex's idiom as well.
>
>
>
>
> On 6 Jan., 18:13, Alex Boisvert <alex.boisv...@gmail.com> wrote:
> > I don't know if it's a common practice but I usually keep all my
> SessionVars
> > in the same module (aka singleton object) for easy access:
> >
> > /** All session variables */
> > object Session {
> > private def currentWeekReq = S.param("currentWeek").map(Week.parse(_))
> > object currentWeek extends SessionVar[Week](currentWeekReq openOr
> > (Week())) {
> > override def is = currentWeekReq openOr super.is
> > }
> > object latestEntry extends SessionVar("latestEntry")
> > object editEntry extends SessionVar("editEntry")
> > object failedEntry extends SessionVar("failedEntry")
> > /* etc... */
> >
> > }
> >
> > then I just import Session._ wherever needed.
> >
> > alex
> >
> > On Wed, Jan 6, 2010 at 11:31 AM, greekscala <hellectro...@gmail.com>
> wrote:
> > > Hello,
> >
> > > I dont have to use SessionVars until now, but in near future.
> > > But I had the same problem in mind.
> >
> > > Is there not a central place to get the user session with all the
> > > values stored?
> >
> > > I think it is ugly to have sessionVars spread all over my code.
> >
> > > with best regards
> >
> > > On 5 Jan., 18:13, Naftoli Gugenheim <naftoli...@gmail.com> wrote:
> > > > Each SessionVar is distinct. Create one -- it can be global -- and
> use it
> > > in both snippets.
> >
> > > > -------------------------------------
> >
> > > > michall<chen...@gmail.com> wrote:
> >
> > > > I have two snippets Login and Profile, and I want to read same object
> > > > stored in session, when I use SessionVar it create two different
> > > > object:
> >
> > > > object user extends SessionVar[Box[User]](Empty) // same in two
> > > > snippets
> >
> > > > When I set this object in Login.scala :
> >
> > > > val usr = User.find(By(User.login,login))
> > > > user.set(usr)
> >
> > > > in Profile it's still Empty
> >
> > > > why?
> >
> > > > --
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