On May 6, 2009, at 2:21 AM, Scott Hernandez wrote:
> The inject manager isn't adding this class to the registered beans. I
> have seen a few issues with Generic classes with matching classes but
> this ones seems pretty straight forward.
>
> Does anything anyone know why this isn't picked up and registered in
> the inject manager?
I'm not sure that @New is supposed to be allowed on the class itself,
but that part of the spec has been changing a bit.
But the main issue is that generic classes are not "simple beans",
because the generic type is part of the Java Injection matching
algorithm. In other words, you can register a Foo<String> (using a
producer method), but not a Foo<X>, because that's not a complete type.
In other words, if you want to register a parameterized class, you
currently need to have a @Produces factory for the class.
-- Scott
>
>
> @New
> public class InjectBeanHelper<T> {
>
> @Current Manager mgr;
>
> public InjectBeanHelper(){}
>
> @SuppressWarnings("unchecked")
> public T getInstance(String clazz){
> T o = null;
> Class<? extends T> tc = null;
> try {
> tc = (Class<? extends T>) Class.forName(clazz);
> o = (T)mgr.getInstanceByType(tc);
> }catch(ClassNotFoundException e){}
>
> if(o==null) o = (T)mgr.getInstanceByName(clazz);
>
> return o;
> }
> public T getInstance(Class<? extends T> clazz){
> return this.mgr.getInstanceByType(clazz);
> }
> }
>
> I'm still working against trunk :)
>
>
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