On 11/29/2011 05:39 PM, Xanadu wrote:
public class MyModule extends AbstractModule {
@Override
protected void configure() {
MapBinder<String, Provider<MyInterface>> providerMap =
MapBinder.newMapBinder(binder(), new TypeLiteral<String>() {}, new
TypeLiteral<Provider<MyInterface>>(){});
providerMap.addBinding("myKey1").to(MyInterfaceImpl1Provider.class);
providerMap.addBinding("myKey2").to(MyInterfaceImpl2Provider.class);
}
}
Maybe my configuration is wrong...
Try this
public class MyModule extends AbstractModule {
@Override
protected void configure() {
MapBinder<String, MyInterface> binder =
MapBinder.newMapBinder(binder(), String.class, MyInterface.class);
binder.addBinding("X").toProvider(ProviderX.class);
binder.addBinding("Another")
.toProvider(AnotherProviderX.class);
}
}
public class Other {
@Inject public Other(Map<String, Provider<MyInterface> param) {}
}
and then you can use both Map<String, MyInterface> and Map<String,
Provider<MyInterface>> as parameters for other elements. The difference
is (as mentioned before) that in the first case object are created
before injection in the second case when the get() method of a provider
is called.
Best regards,
Bartosz
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