Solved here:
http://groups.google.co.nz/group/google-guice/browse_thread/thread/8dd916e60cc9d55a?hl=en
On Sep 30, 11:46 am, Rahul <[EMAIL PROTECTED]> wrote:
> Hello,
>
> Two more queries:
> 1) Can you give me an example on how a Provider<Store> instance can
> access the Entity being saved in the above DefaultCIService#add
> implementation?
> 2) I suppose I need to get a handle to Guice injector to be able to
> look up the appropriate Store instance by using the Entity class
> (Human.class, Aninmal.class) as key, right?
>
> Thanks,
>
> Rahul
>
> On Sep 30, 12:44 am, jordi <[EMAIL PROTECTED]> wrote:
>
> > hey,
>
> > maybe a Provider<Store> could be a solution and get what you need at
> > runtime. otherwise you can inject that Provider, or one Provider for each
> > Store you have,. like Provider<HumanStore>, Provider<AnimalStore>
>
> > anyways, using Guice API is not bad at all! is there for something good
>
> > jordi
>
> > On Mon, Sep 29, 2008 at 11:33 AM, Rahul <[EMAIL PROTECTED]> wrote:
>
> > > Hello,
>
> > > I am a newbie with Guice, so please excuse my shallow understanding...
>
> > > To illustrate my use case, I have an implementation of an interface as
> > > below:
>
> > > public class DefaultCIService implements CIService {
>
> > > [EMAIL PROTECTED]
> > > public <T extends CommonUpdatableEntity> Long add(T entity) throws
> > > CIServiceException {
> > > // TODO Implement!
> > > return null;
> > > }
>
> > > //.. omitted
> > > }
>
> > > Based on the actual instance's Type above (any extensions of
> > > CommonUpdatableEntity - Human, Animal), I would like to choose an
> > > underlying Store implementation (ex: HumanStore for Human, AnimalStore
> > > for Animal etc) to persist it. Here's what the Store looks like:
>
> > > public interface Store<T extends CommonUpdatableEntity, Q extends
> > > Query<T>> {
>
> > > public T save(T entity) throws StoreException;
>
> > > }
>
> > > So, when DefaultCIService#add(human:Human) is invoked, I want to
> > > choose HumanStore. What is the best way to do it with Guice? I suspect
> > > I would need to use Guice APIs - is that a bad thing?
>
> > > Appreciate all pointers.
>
> > > Cheers,
> > > Rahul
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