i agree with thomas. we need to merge it with @Exclude or we find a different name. however, before adding it, we have to ensure that it is portable.
regards, gerhard 2014-09-17 22:58 GMT+02:00 Christian Beikov <[email protected]>: > The annotation can also be applied on producers and I am not sure if > @DefaultImplementation would fit then. > > Mit freundlichen Grüßen, > ------------------------------------------------------------------------ > *Christian Beikov* > Am 17.09.2014 um 21:58 schrieb Thomas Andraschko: > > I understand the use-case but i don't like the name. >> If you use @ExcludeIfExists, you mark it as default implementation if no >> other impl is on the classpath. >> >> Maybe something like @DefaultImplementation would fit it better. >> >> >> 2014-09-17 19:14 GMT+02:00 Jason Porter <[email protected]>: >> >> Feel free to prototype something in GitHub (or elsewhere) and present the >>> code. >>> >>> On Wed, Sep 17, 2014 at 10:11 AM, Christian Beikov < >>> [email protected]> wrote: >>> >>> Is nobody interested in something like that? I would really like to >>>> discuss it and also contribute the implementation. >>>> >>>> Mit freundlichen Grüßen, >>>> ------------------------------------------------------------ >>>> ------------ >>>> *Christian Beikov* >>>> Am 25.08.2014 um 22:21 schrieb Christian Beikov: >>>> >>>> Hello guys! >>>> >>>>> I implemented an extension that excludes a bean or producer only if a >>>>> bean for a user specified type exists. >>>>> Here a little example: >>>>> >>>>> public class AImpl1 implement A { ... } >>>>> >>>>> @ExcludeIfExists(A.class) >>>>> public class AImpl2 implement A { ... } >>>>> >>>>> When both classes are on the classpath, AImpl2 will be vetoed. >>>>> When only AImpl2 is on the classpath, a bean will be created for it. >>>>> >>>>> This was something that I was missing when trying to use the Exclude >>>>> annotation of Deltaspike. Now I would like to know if you are >>>>> >>>> interested in >>> >>>> such an extension. I can provide you the basic code, which is actually >>>>> >>>> not >>> >>>> that trivial. >>>>> I think many people would benefit from this extension. Especially the >>>>> servlet module could benefit from that too since it could replace >>>>> >>>> current >>> >>>> usages of the Deltaspike qualifier on the producers with the exclude >>>>> annotation. Then the servlet module could provide beans for the servlet >>>>> resources on EE6 servers. On EE7 servers those beans would be vetoed >>>>> >>>> since >>> >>>> EE7 servers already provides default beans for many resources. >>>>> >>>>> I hope you like the idea and I can help get that into the next >>>>> >>>> deltaspike >>> >>>> release. >>>>> -- >>>>> >>>>> Mit freundlichen Grüßen, >>>>> ------------------------------------------------------------ >>>>> ------------ >>>>> *Christian Beikov* >>>>> >>>>> >>>> >>> -- >>> Jason Porter >>> http://en.gravatar.com/lightguardjp >>> >>> >
