Dean,
You'll be interested in the javadoc of
TypeLiteral<http://google-guice.googlecode.com/svn/trunk/javadoc/com/google/inject/TypeLiteral.html>
.
for instance, you might have:
bind(new TypeLiteral<MockSimpleEditAddGridFactory<EPWFormularyMsg>>(){})
.toProvider(...);
-Fred
On Wed, Oct 27, 2010 at 10:20 AM, deanhiller <[email protected]> wrote:
> I have a unit test with this field (I think this is user error so read
> through please)...
>
> @Inject
> private MockSimpleEditAddGridFactory<EPWFormularyMsg> mockFactory;
>
> If I erase the <EPWFormularyMsg>, the test passes, add back the
> generic part and it fails. I dug into this and it is specifically in
> the Guice code
>
> key = Annotations.getKey(type.getFieldType(field), field,
> annotations, errors);
>
> where getFieldType(field) is
>
> public TypeLiteral<?> getFieldType(Field field) {
> checkArgument(field.getDeclaringClass().isAssignableFrom(rawType),
> "%s is not defined by a supertype of %s", field, type);
> return resolve(field.getGenericType());
> }
>
> So the Key ends up being MockSimpleEditAddGridFactory<EPWFormularyMsg>
> not MockSimpleEditAddGridFactory
>
> This means my binding code must be wrong which is...(notice the second
> line)....
>
>
>
> b.bind(SimpleEditAddGridFactory.class).to(MockSimpleEditAddGridFactory.class);
>
> b.bind(MockSimpleEditAddGridFactory.class).in(Singleton.class);
>
> so, how do I bind a generic instead????? because Guice is not
> injecting the singleton to my field above from that binding unless I
> untype the field of course removing the <EPWFormularyMsg>
>
> thanks,
> Dean
>
>
>
>
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