To solve this you're able to bind the Factory using FactoryModule builder,
and then add it to the map.
class Car {
@Inject Car(@Assisted Color color) { ...}
interface CarFactory {
Car create(Color color);
}
}
And let's say you want a map that gives you:
"green" => new Car(Color.GREEN)
"blue" => new Car(Color.BLUE)
install(new FactoryModuleBuilder().
.build(Key.get(CarFactory.class, Names.named("CreatesGreenCars"));
install(new FactoryModuleBuilder().
.build(Key.get(CarFactory.class, Names.named("CreatesBlueCars"));
MapBinder<Color, CarFactory> mapBinder =
MapBinder.newMapBinder(binder(), Color.class, CarFactory.class);
mapBinder.addBinding(Color.GREEN)
.to(Key.get(CarFactory.class, Names.named("CreatesGreenCars"));
mapBinder.addBinding(Color.BLUE)
.to(Key.get(CarFactory.class, Names.named("CreatesBlueCars"));
That will give you what you're looking for, I believe.
There's some boilerplate that a method or two could reduce e.g., Key
getKey(Color color) { ...}
-Fred
On Mon, Jan 10, 2011 at 11:22 AM, kimchy <[email protected]> wrote:
> Hi,
>
> Wondering how to use the new assisted inject with MapBinder, now that
> FactoryProvider is deprecated? For example, how to code
> this: mapBinder.addBinding(name).toProvider(FactoryProvider...) ?
>
> cheers,
> -shay.banon
>
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