Comment by [email protected]:
Here is how I've used it;
I had to have providers for IFoo which needed to return different impl old
vs new,
in my module, I added providers like
@Provides @Named("old")
IFoo getFoo() {
.
}
and
@Provides @Named("new")
IFoo getFoo() {
.
}
On injector site, couple of ways to get desired IFoo
* Using constructor
@Inject
MyObj(@Named("old") IFoo foo) {
this.foo = foo;
}
* or explicitly using injector to get desired instance
IFoo foo = injector.getInstance(Key.get(IFoo.class, Names.named("old")));
injector is of course injected in calling class :)
Hope this helps.
For more information:
http://code.google.com/p/google-guice/wiki/ProvidesMethods
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