[weld-issues] [JBoss JIRA] Created: (WELDX-178) Add isMetadataChanged() accessor to AnnotatedTypeBuilder

[Dan Allen (JIRA)]

Add isMetadataChanged() accessor to AnnotatedTypeBuilder
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                 Key: WELDX-178
                 URL: https://jira.jboss.org/browse/WELDX-178
             Project: Weld Extensions
          Issue Type: Feature Request
    Affects Versions: 1.0.0.Beta1
            Reporter: Dan Allen
            Priority: Minor
             Fix For: 1.0.0.Beta2


As an optimization, it makes sense to only create the AnnotatedType and assign it to ProcessAnnotatedType if the metadata has changed in anyway. Otherwise, you are wrapping the type just for the sake of wrapping it.

Therefore, I propose that any change to the state of the annotated type be tracked by a changed flag that is accessible by calling the AnnotatedTypeBuilder#isMetadataChanged() (or similarly named) method. It would be used as follows:

AnnotatedTypeBuilder b = AnnotatedTypeBuilder.readFromType(event.getAnnotatedType(), true);

// do extension logic

if (b.isMetadataChanged())
{
   event.setAnnotatedType(b.create());
}

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