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  1. CDI Specification Issues
  2. CDI-683

BeanConfigurator#produceWith(Function) does not allow access to InjectionPoint

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Out of Date
    • 2.0 .Final
    • None
    • Beans
    • None

    Description

      The BeanConfigurator#produceWith(Function) method is intended to simulate a producer method, and is quite convenient.

      The Function that it takes accepts one parameter which is of type Instance<Object>. This is supposed to allow "faking" parameter injection in a producer method.

      One of the parameters that you commonly want in a producer method is the InjectionPoint for which the return value of the producer method is destined.

      If you try to "get" this InjectionPoint like this:

      final Instance<InjectionPoint> injectionPointInstance = instance.select(InjectionPoint.class);
      final InjectionPoint injectionPoint = injectionPointInstance.get();
      

      ...the InjectionPoint returned is not the one you want, but instead a strange InjectionPoint that seems to represent something in the Instance class itself.

      The InjectionPoint javadocs say this about the matter:

      If the injection point is a dynamically selected reference obtained [sic] then the metadata obtain [sic] reflects the injection point of the Instance, with the required type and any additional required qualifers [sic] defined by Instance.select().

      I observe that Weld's behavior in this case matches the javadocs (if I'm understanding them right), but surely I should be able to get the InjectionPoint that is being serviced by my simulated producer method.

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            Unassigned Unassigned
            ljnelson+github@gmail.com Laird Nelson
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