How would you enter such a scope? Can you complement such an entry point
with an exit point?
A typical way to do this is to run your scoped code as a Callable, and exit
the scope in a finally{} block.
On Thu, Feb 24, 2011 at 3:34 PM, scott <[email protected]> wrote:
> Thanks for the response. After I submitted the post, I found this one
> that looks to be along the same lines:
>
> http://groups.google.com/group/google-guice/browse_thread/thread/ec5dfadf64a351fd/33859b74bb5cd534?lnk=gst&q=scope+exit#33859b74bb5cd534
>
> I'm considering writing a custom scope, and might build something like
> this into it. I was really hoping that built-in Guice scopes (like
> RequestScoped) had some mechanism to accomplish this, but like you, I
> don't see anything to lead me to believe that this feature is there.
>
> My planned approach is to use Guice AOP, and implement the cleanup in
> a MethodInterceptor, after the business logic is called. It's not the
> cleanest approach because I'm now dependent on an annotation being put
> on the logic to do the cleanup, but its the best I've come up with so
> far.
>
>
> On Feb 23, 11:59 am, Fred Faber <[email protected]> wrote:
> > This is something that will be dependent on the scope you use. None of
> the
> > Scopes bundled with Guice proper include such a feature afaik.
> >
> > But on that note, I'm about to build it into a custom scope I use, and so
> I
> > do think the idea has wheels.
> >
> > Fred
> >
> > On Wed, Feb 23, 2011 at 1:48 AM, scott <[email protected]> wrote:
> > > I was just wondering if there is any way to implement a callback to
> > > perform some logic when an object goes out of "Scope" ? For example, I
> > > have a Request scoped @Provides method, that creats an object and does
> > > some initialization on it, I need a way to do some cleanup when the
> > > scope is exiting. -thanks
> >
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