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https://issues.jboss.org/browse/CDI-721?page=com.atlassian.jira.plugin.sy...
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Mark Struberg commented on CDI-721:
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So it seems we all do agree that this restriction is technically not needed, right?
And here is why I came across it:
Customer wanted to extend his old code (using getAnnoatedType() + wrapping it +
setAnnotatedType(wrappedAT)).
Of course he want's to leverage CDI-2.0 configureAnnotatedType. But for performance
reasons and ease of reproducibility (observer ordering) they only have 1 PAT observer
where they simply call the old method and the new method.
It's not always nonsense to mix those 2 approaches. Just because we didn't think
about it doesn't mean we should forbid it!
configureAnnotatedType vs setAnnotatedType restrition is unecessarily
strict
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Key: CDI-721
URL:
https://issues.jboss.org/browse/CDI-721
Project: CDI Specification Issues
Issue Type: Bug
Components: Portable Extensions
Affects Versions: 2.0 .Final
Reporter: Mark Struberg
{noformat}
Any observer of this event is permitted to wrap and/or replace the AnnotatedType by
calling either setAnnotatedType() or configureAnnotatedType(). If both methods are called
within an observer notification an IllegalStateException is thrown.
{noformat}
This rule is way too strict without any real reason.
Any CDI container must support that both methods are being called on the same event
payload anyway. Because we did not forbid that observerMethod1 invokes setAnnotatedType
and observerMethod2 uses configureAnnoatedType. And that's good that way, otherwise
the pluggability would be lost.
We should delete this sentence without any substitution.
The same applies to similar configurator methods like configureBeanAttributes, etc.
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