[bv-dev] CDI interceptors and lifecycle

[Michael Nascimento]

Binding the inceptor to the annotation is simply a matter of enhancing
its metadata via an extension. Supporting the information declared via
xml is also possible via a CDI extension. Both solutions will be
executed while the CDI container is booting, so there is no need for
caching.

If we had a dynamic API, that allowed this to be changed during
runtime, then you would need something different.

Regards,
Michael

On Mon, Feb 4, 2013 at 4:08 PM, Emmanuel Bernard <emmanuel at hibernate.org> wrote:
> While reviewing the interceptor specification, I realized that
> interceptors lifecycle is bound to the object lifecycle they intercept.
> In other words, it is not trivial to keep caches around for example
> caches that now if a method should be intercepted or not.
>
> Is that a problem for the expected CDI interceptor implementations?
> I am asking to make sure we are not making a mistake by not considering
> @ValidateExecutable in BV engines.
>
> An interceptor should either:
>
> - explicitly be set only on the methods that should be intercepted and
>   not more
> - always recompute @ValidatedExecutable for every new instance of the
>   targeted object
> - use some third party CDI bean responsible for the caching
>
> In other words are we good?
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