[cdi-dev] [JBoss JIRA] (CDI-614) Review all read methods at configurators

Tomas Remes (JIRA) issues at jboss.org
Tue Jun 7 04:52:00 EDT 2016

Tomas Remes created CDI-614:

             Summary: Review all read methods at configurators
                 Key: CDI-614
                 URL: https://issues.jboss.org/browse/CDI-614
             Project: CDI Specification Issues
          Issue Type: Clarification
    Affects Versions: 2.0-EDR2
            Reporter: Tomas Remes

Currently there are several read methods used to initialize given configurator. These methods are at:
* {{BeanConfigurator}}
* {{InjectionPointConfigurator}}
* {{ObserverMethodConfigurator}}

I think we should review all of them. I don't understand to usage or let say additional value of the following ones:

* {{ObserverMethodConfigurator#read(javax.enterprise.inject.spi.ObserverMethod<T>)}}

This allows you to add new observer method based on exsiting one. Although when you want to define some observed type (of this new method) you need to specify subtype of the original type or you will end up with ClassCastException.
Then there are those at {{InjectionPointConfigurator}} which appears to me completely useless:
* {{InjectionPointConfigurator#read(java.lang.reflect.Field)}}
* {{InjectionPointConfigurator#read(java.lang.reflect.Parameter)}}
* {{InjectionPointConfigurator#read(javax.enterprise.inject.spi.AnnotatedField<?>)}}
* {{InjectionPointConfigurator#read(javax.enterprise.inject.spi.AnnotatedParameter<?>)}}
* {{InjectionPointConfigurator#read(javax.enterprise.inject.spi.InjectionPoint)}}

AFAIK the {{InjectionPointConfigurator}} is available only during {{ProcessInjectionPoint}} lifecycle event. My question is why should I use any of these during this lifecycle event since I can easily call {{event.configureInjectionPoint()}}? Do we want to allow to configure different injection point in non corresponding {{ProcessInjectionPoint}} lifecycle event? 

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