public class Example implements ExampleInterface {
private final int moduleId;
public Example(int moduleId){
this.moduleId = moduleId;
}
}
In my Guice module, I do
@Provides @Module1
private ExampleInterface provideModule1Example(@Module1 int moduleId){
return new Example(moduleId);
}
@Provides @Module2
private ExampleInterface provideModule2Example(@Module2 int moduleId){
return new Example(moduleId);
}
So, injecting an ExampleInterface, annotated with either @Module1 or
@Module2, uses the same implementation, just with a different parameter. If
I want to add an AssistedInject parameter to the constructor, and create a
factory for it, I'd have something like
public interface ExampleInterfaceFactory {
ExampleInterface create(Object someParameter);
}
I'd want to annotate someParameter, but the annotation would depend on how
the ExampleInterface is annotated where it's injected.
I hope that all makes sense. I'm still fairly new to Guice...
On Wednesday, 1 October 2014 19:42:58 UTC-5, Nate Bauernfeind wrote:
>
> Can you explain what you mean with a small amount of code? Can you
> annotate the assisted inject factories? Maybe you can mix PrivateModule's
> along with AssistedInject factories to get the effect you're looking for
> (and potentially exposing the factory with an annotation?).
>
> Nate
>
> On Wed, Oct 1, 2014 at 6:38 PM, Brad Micholson <[email protected]
> <javascript:>> wrote:
>
>> I'm wondering if there's a better way to do this than I'm currently
>> doing...
>>
>> I want to, essentially, bind multiple configurations of a class, based on
>> an annotation. I don't want a separate class binding for different
>> annotations; I just want different parameters in the constructor. Right
>> now, I'm creating multiple providers, which contain differently annotated
>> parameters.
>> However, I'd love to be able to use AssistedInject, as I find I'm
>> creating a ton of factory classes. There doesn't really seem to be a way to
>> do that. I'd initially thought I could maybe create multiple abstract
>> implementations of the factory, and annotate the parameters, but it seems
>> the factory must be an interface...
>>
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