Comment #4 on issue 548 by mcculls: Same Module Mutiple Implementation
Problem
http://code.google.com/p/google-guice/issues/detail?id=548
The example is wrong - the module defines two bindings each with a
qualifier (@Good and @Bad) but no default binding, it then asks the
injector for the default binding:
injector.getInstance(Player.class)
which fails because no such binding exists. Note that the qualifier on the
local variable cannot be seen by Guice because the example is calling it
via the getInstance method, and in Java methods cannot see where their
return value will end up being stored. The correct call to get the @Good
binding would be:
injector.getInstance(Key.get(Player.class, Good.class))
HTH
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