[weld-dev] Do Custom implementations of Bean need to provide injection points?

[Martin Kouba]

Hi John,

Bean.getInjectionPoints() is only used during validation - returned 
injection points are validated at initialization time, so for a custom 
bean it makes sense to return an empty set as there are no real 
injection points.

WRT lookup - what exactly do you try to accomplish? Do you try to obtain 
InjectionPoint metadata from inside a custom dependent bean's create() 
method? This should be possible although not clearly specified. I think 
we have a test with BeanManager.getInjectableReference(InjectionPoint, 
CreationalContext<?>) but I will need to double check.

I will also look at the geronimo-config repo.

Martin

Dne 4.8.2017 v 11:42 John D. Ament napsal(a):
> Hi
> 
> As the subject says.  I have a library that registers a custom 
> implementation of Bean, which has a method
> 
>      @Override
>      public Set<InjectionPoint> getInjectionPoints() {
>          return Collections.emptySet();
>      }
> 
> When testing this on Weld3, I have code that looks up the injection 
> point, to find the annotations present.  However, the following 
> injection point lookup fails:
> 
>      private static InjectionPoint findInjectionPoint(final BeanManager 
> bm, final CreationalContext<?> ctx) {
>          return InjectionPoint.class.cast(
>                  
> bm.getReference(bm.resolve(bm.getBeans(InjectionPoint.class)), 
> InjectionPoint.class, ctx));
>      }
> 
> so based on a CreationalContext I'm looking for InjectionPoint.  Maybe 
> there's a different way that this is supposed to work?  If you're 
> interested in giving it a shot, take a look at 
> https://github.com/apache/geronimo-config and run the Weld3 profile to 
> replicate the issue.
> 
> John
> 
> 
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-- 
Martin Kouba
Senior Software Engineer
Red Hat, Czech Republic