Hi,
Is it possible to get hold of annotations on the injection point inside a
provider ?
To make this more clear, I'd like to do the following,
Given a number of service classes:
class A { @Named("B") X x; ... }
class B { @Named("C") X x;... }
class C { ... }
...
And this module:
public class MyModule extends AbstractModule {
@Provides
@Named("A")
public X a(Injector inj) {
return createX(inj.getProvider(A.class)));
}
@Provides
@Named("B")
public X b(Injector inj) {
return createX(inj.getProvider(B.class)));
}
@Provides
@Named("C")
public X c(Injector inj) {
return createX(inj.getProvider(C.class)));
}
...
@Override
protected void configure() {
}
protected X createX(...) {
return ...;
}
}
but then without all the duplication of the providers. So ideally I'd like
to have this @Named() annotation as a parameter to the provider method.
So something like:
@Provides
public X createX(Y y, Injector inj) { // no idea what this Y would be
String name = getValueOfNamedAnnotation(y);
return createX(inj.getProvider(getImplementationClassFor(y))));
}
Is that possible?
thanks,
Bert
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