Sounds like for your use case
MapBinder<http://google-guice.googlecode.com/svn/trunk/latest-javadoc/com/google/inject/multibindings/MapBinder.html>
in
the multibindings extension would be appropriate.

-- 
Colin


On Thu, May 19, 2011 at 7:00 PM, Martin Cavanagh <
[email protected]> wrote:

>  Hi Fred.
>
> The problem is, that is too static for me.
>
> I have a series of customers / users sharing 1 database.
> each users have different settings (the constants).
> depending on which constant they have saved in the database, I wish get a
> different implementation.
> What I desire is.
>
> String myConstant = "SOME_CONSTANT"; //or "SOME_OTHER_CONSTANT";
>
> Provider<GlobalSearchController> p...init provider
>
> GlobalSearchController controller = p.get()@Named(myConstant );
>
> But the Provider doesn't seem to envisage the use of the @Named parameter.
>
> I assume I've just missed the point of it all.
> I want to bind at run time via a variable.
> Inject wants me to define my binding conditions in the module?
>
> Thanks
>
> Martin
>
>
> On 20.05.2011 00:51, Fred Faber wrote:
>
> Are you looking for:
>
> @Inject @Named("SOME_CONSTANT")
> GlobalSearchController globalSearchController;
>
>  Fred
>
> On Thu, May 19, 2011 at 5:39 PM, Marty <
> [email protected]> wrote:
>
>> Hi Guice users.
>>
>> I'm rather new to Guice, but I'm really enjoying it.
>> I have a fairly simple problem, but I can't figure out how to solve
>> this.
>>
>> In my application I have some variables, which I want to use to decide
>> which instance to create.
>>
>> e.g.
>> my modules
>>        bind(GlobalSearchController.class)
>>            .annotatedWith(Names.named("SOME_CONSTANT"))
>>                .to(GlobalSearchControllerImpl.class);
>>
>>
>>        bind(GlobalSearchController.class)
>>            .annotatedWith(Names.named("SOME_OTHER_CONSTANT"))
>>                .to(GlobalSearchControllerOtherImpl.class);
>>
>> ...
>> so then later in my code has
>> String = "SOME_CONSTANT";
>>
>> now how do I get Guice to give me an instance which matches to my
>> constant?
>>
>> write now I have written a provider, which does IF/ELSE before
>> creating an instance with new.
>> Its not really now I envisaged solving this problem.
>>
>> Thanks in advance
>>
>> Martin
>>
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