Status: New
Owner: ----
New issue 441 by [email protected]: [RFE] Add annotations for
AssistedInjected factories
http://code.google.com/p/google-guice/issues/detail?id=441
I just thought Guice may use annotations for AssistedInject as it does
normally.
@ImplementedBy(BasicStuff.class)
interface Stuff { }
// Class is invalid (2x same method signature), but it's just for the show
// Equivalent to bind(StuffFactory)
// .to(FactoryProvider.newFactory(StuffFactory, XYZ))
@AssistedFactory
interface StuffFactory {
// Using default implementation for replacement of XYZ.
public Stuff create(String name);
// Using defined implementation, replaces XYZ.
@ImplementedBy(NiceStuff.class)
public Stuff create(String name);
}
class BasicStuff implements Stuff {
StuffImpl (@Assisted String name) { }
}
class NiceStuff implements Stuff {
NiceStuff (@Assisted String name) { }
}
This way a simple call like the following will work.
Stuff myStuff = Guice
.createInjector()
.getInstance(StuffFactory.class)
.create("myStuff");
Maybe this would require to put the assisted injection package in the main
distribution, but since it's 25kb long, is it really a problem?
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