Question with wildcard types
Vicente-Arturo Romero-Zaldivar
vicente.romero at oracle.com
Fri Nov 15 04:51:37 PST 2013
Hi Jose,
Your query seems to be interesting but it's a little bit messy, could
you please join the pieces with possibly a small test case that
clarifies what do you find as a bug or unexpected behavior?
Thanks,
Vicente
On 13/11/13 17:40, José Cornado wrote:
> Ok. At the root of everything:
>
> field.getGenericType() returns a WildcardType with "? super X" instead
> of "? super C" or "? super C<implementorOfanInterface>".
>
> Shouldn't this be a bug since the super clause is expecting an
> ascendant of C?
>
>
>
>
> On Wed, Nov 13, 2013 at 10:12 AM, José Cornado <jose.cornado at gmail.com
> <mailto:jose.cornado at gmail.com>> wrote:
>
> please disregard emails. It is user error until further notice! :-}
>
>
> On Wed, Nov 13, 2013 at 10:03 AM, José Cornado
> <jose.cornado at gmail.com <mailto:jose.cornado at gmail.com>> wrote:
>
> wouldn't be more appropriate to return Class C?
>
>
> On Wed, Nov 13, 2013 at 9:58 AM, José Cornado
> <jose.cornado at gmail.com <mailto:jose.cornado at gmail.com>> wrote:
>
> Hello!
>
> I have a short question regarding wildcard types:
>
> public class C<X extends anInterface>{
>
> anotherInterface<? super C<X>> p;
>
> }
>
> I compile say C<implementorOfanInterface> and I do a
> getLowerBounds() on p's type I get TypeVariable X instead
> of ParameterizedType C<implementorOfanInterface>.
>
> Is this expected?
>
> JVM info:
>
> java version "1.7.0_25"
> Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
> Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed
> mode)
>
> on mac os X.
>
> Thanks a lot!!
>
> --
> José Cornado
>
> --
>
> home: http://www.efekctive.com
> blog: http://blogging.efekctive.com
> ----------------------
>
> Everything has been said before, but since nobody listens
> we have to keep going back and beginning all over again.
>
> Andre Gide
>
>
>
>
> --
> José Cornado
>
> --
>
> home: http://www.efekctive.com
> blog: http://blogging.efekctive.com
> ----------------------
>
> Everything has been said before, but since nobody listens we
> have to keep going back and beginning all over again.
>
> Andre Gide
>
>
>
>
> --
> José Cornado
>
> --
>
> home: http://www.efekctive.com
> blog: http://blogging.efekctive.com
> ----------------------
>
> Everything has been said before, but since nobody listens we have
> to keep going back and beginning all over again.
>
> Andre Gide
>
>
>
>
> --
> José Cornado
>
> --
>
> home: http://www.efekctive.com
> blog: http://blogging.efekctive.com
> ----------------------
>
> Everything has been said before, but since nobody listens we have to
> keep going back and beginning all over again.
>
> Andre Gide
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