hey,
maybe you can try
public class SpecializationOfClassA extends ClassA implements InterfaceA {…}
iirc i had the same issue in jboss some time ago because EJB is an interface
only view so no bean of type ClassA exists
maybe that helps
lg
reini
> Am 25.09.2017 um 10:11 schrieb Mark Struberg <[email protected]>:
>
> I agree that it is more likely an EJB integration issue.
> But @Specializes on EJBs is even explicitly defined to work in the EE specs
> (in both the CDI and umbrella specs afair).
>
> LieGrue,
> strub
>
>
>> Am 24.09.2017 um 23:41 schrieb John D. Ament <[email protected]>:
>>
>> The error you're getting is more to do with EJB than it does with CDI.
>> JBoss AS 7 is very old. I doubt specializing an EJB would have ever worked
>> (I'm not even sure it works today, specializing is more to do with how CDI
>> works). Does it need to be an EJB?
>>
>> On Sun, Sep 24, 2017 at 4:59 PM Antonio <[email protected]> wrote:
>>
>>> Hi all,
>>> We’re working in a java Project and we wanted to extend our application
>>> with specialization beans in external classes.
>>>
>>> We were trying to include one of those beans to our context dynamically
>>> using DeltaSpike. This bean specializes another one, as you can see in the
>>> code below:
>>>
>>> @Stateless
>>> public ClassA implements InterfaceA {…}
>>>
>>> @Stateless
>>> @Specializes
>>> public class SpecializationOfClassA extends ClassA {…}
>>>
>>> Firstly we tried to use BeforeBeanDiscovery event to add the annotated
>>> type to the Bean manager:
>>>
>>> public void beforeBeanDiscovery(@Observes BeforeBeanDiscovery bbd,
>>> BeanManager bm) {
>>> try {
>>> final javax.enterprise.inject.spi.AnnotatedType<?> at =
>>> bm.createAnnotatedType(SpecializationOfClassA.class);
>>> bbd.addAnnotatedType(at);
>>> . . .
>>>
>>> The above code triggered the following exception: WELD-000047 Specializing
>>> bean must extend another bean
>>> This makes no sense for us, because the class we are passing extends
>>> another one.
>>>
>>> Then we tried to use AfterBeanDiscovery event to include the new bean to
>>> the bean manager:
>>>
>>> public void addCdiBeans(final @Observes AfterBeanDiscovery abd, final
>>> BeanManager bm) throws Exception {
>>> AnnotatedType<Object> annotatedType = new
>>> AnnotatedTypeBuilder().readFromType(SpecializationOfClassA.class).create();
>>> final InjectionTarget it =
>>> bm.createInjectionTarget(annotatedType);
>>> final BeanBuilder<Object> beanBuilder =
>>> new BeanBuilder<Object>(bm)
>>>
>>> .readFromType(annotatedType)
>>>
>>> .injectionPoints(it.getInjectionPoints())
>>> ;
>>> final Bean<Object> cdiBean = beanBuilder.create();
>>> abd.addBean(cdiBean);
>>> }
>>>
>>> The code above does not trigger any exceptions but it does not work
>>> because ClassA is injected instead of its specialization
>>> SpecializationOfClassA.
>>>
>>> We are deploying the application in JBoss 7.1.1.
>>> Do you know if this would be posible using DeltaSpike or there’s a problem
>>> with specialization classes?
>>>
>>> Thanks a lot and best regards.
>>>
>
>
> .
