[cdi-dev] Specializing producer methods & qualifiers

Jozef Hartinger jharting at redhat.com
Tue Apr 14 02:57:05 EDT 2015


Correct

On 04/14/2015 08:55 AM, Christian Kaltepoth wrote:
> Hi Jozef,
>
> thanks a lot for your response. So if I read this correctly, the 
> qualifier doesn't need to be annotated with @Inherited for this 
> behavior. Is that correct?
>
> Christian
>
>
> 2015-04-14 8:26 GMT+02:00 Jozef Hartinger <jharting at redhat.com 
> <mailto:jharting at redhat.com>>:
>
>     Hi Christian,
>
>     yes, the specializing producer inherits all the qualifiers of the
>     specialized producer. Furthermore, if the specialized producer had
>     defined a name, this would have been inherited as well (even
>     without explicit declaration on MyExtendedProducer.produce()). See
>     http://docs.jboss.org/cdi/spec/1.2/cdi-spec.html#direct_and_indirect_specialization
>     for details.
>
>     Jozef
>
>
>     On 04/14/2015 06:13 AM, Christian Kaltepoth wrote:
>>     Hey all,
>>
>>     I've a question regarding specializing qualified producer
>>     methods. It would be great to get your opinion on this.
>>
>>     Imaging this producer method:
>>
>>       public class MyProducer {
>>     @Produces
>>     @MyQualifier
>>     public Something produce() {
>>           // ...
>>         }
>>       }
>>
>>     Now imagine the producer method is specialized like this:
>>
>>       public class MyExtendedProducer extends MyProducer {
>>         @Override
>>     @Produces
>>     @Specializes
>>         public Something produce() {
>>           // ...
>>         }
>>       }
>>
>>     Please not that I NOT added @MyQualifier to the specializing
>>     producer method.
>>
>>     Now for this injection point:
>>
>>       @Inject
>>     @MyQualifier
>>       private Something something;
>>
>>     What is expected to happen according to the spec? Will the
>>     specialized producer be used or not?
>>
>>     Thanks
>>
>>     Christian
>>
>>
>>     -- 
>>     Christian Kaltepoth
>>     Blog: http://blog.kaltepoth.de/
>>     Twitter: http://twitter.com/chkal
>>     GitHub: https://github.com/chkal
>>
>>
>>
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>
>
>
>
> -- 
> Christian Kaltepoth
> Blog: http://blog.kaltepoth.de/
> Twitter: http://twitter.com/chkal
> GitHub: https://github.com/chkal
>

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