If I want to inject an instance of a specific class based on an annotation,
I can do this in a Gin module:
bind(DiSecondary.class).annotatedWith(Special.class).to(DiSecondarySpecialImpl.class);
I also already have:
bind(DiSecondary.class).to(DiSecondaryImpl.class);
I can then retrieve the special instance into my DiMain (Composite wrapping
a Panel) constructor with:
@Inject
public DiMain(@Special DiSecondary special) {
add(special);
}
But, if I want to code-split DiSecondarySpecialImpl using AsyncProvider,
the analogous approach does not work:
@Inject
public DiMainAsync(@Special final AsyncProvider<DiSecondary>
diSecondaryProvider) {
diSecondaryProvider.get(new AsyncCallback<DiSecondary>() {
public void onFailure(Throwable caught) {}
public void onSuccess(DiSecondary result) {
add(result);
}
});
}
I get a GWT compiler error. If I remove the annotation, then, of course, I
get the non-special implementation.
Am I being unreasonable to expect that the compiler could apply the
annotation to the async provider for the base class instead of the base
class itself?
Is there a different route that I can use to get the desired behavior
(annotation-based selection of an alternate async loaded class)?
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