So I renamed it to ClassAnnotation with all related names. But I keep meta prefix in #metaAnnotations Class extension to avoid general name:
MyClass metaAnnotations You can check updated readme for details https://github.com/dionisiydk/ClassAnnotation 2017-09-26 17:31 GMT+02:00 Stephane Ducasse <[email protected]>: > ;) > > On Tue, Sep 26, 2017 at 1:28 PM, Ben Coman <[email protected]> wrote: > >> Shhh... The first rule of meta-club is we don't talk about meta-club. >> >> >> cheers -ben >> >> >> On Mon, Sep 25, 2017 at 11:09 PM, Guillermo Polito < >> [email protected]> wrote: >> >>> Why calling them meta-annotation and not just annotation? Annotations >>> are in general already meta :) >>> >>> On Mon, Sep 25, 2017 at 5:01 PM, Denis Kudriashov <[email protected]> >>> wrote: >>> >>>> Hi. >>>> >>>> I glad to present one class package which introduces reusable mechanism >>>> for first class annotations. >>>> >>>> The project can be found on github https://github.com/dion >>>> isiydk/ClassMetaAnnotation. >>>> And I tried to describe why it is needed in my blog >>>> http://dionisiydk.blogspot.fr/2017/09/class-meta-annotations.html. >>>> >>>> And here is overview: >>>> >>>> Every annotation should be subclass of ClassMetaAnnotation. To attach >>>> it to class you create new class side method which will return an instance >>>> of the annotation. Method should be marked with pragma >>>> #classMetaAnnotation: >>>> >>>> >>>> MyClass class>>specialAnnotation >>>> >>>> <classMetaAnnotation> >>>> >>>> ^MySpecialAnnotation new >>>> >>>> >>>> To query annotations from system there are two methods: >>>> >>>> 1) You can ask concrete annotation class for all declared instances: >>>> >>>> MySpecialAnnotation declaredInstances >>>> >>>> 2) You can ask given class for all attached annotations: >>>> >>>> MyClass metaAnnotations >>>> >>>> Every annotation includes information about annotated class and the >>>> selector of declaring method. >>>> All annotations are cached. So it is cheap to query them. There are >>>> extra messages to enumerate annotations using block. >>>> >>>> Now let's discuss it. I think it can be good addition for the Pharo 7. >>>> Especially that it is very small code. >>>> >>>> Also I would like to thank Marcus who helps me realize this concept in >>>> Commander and Calypso which I start simplify with this library. >>>> >>>> Best regards, >>>> Denis >>>> >>> >>> >>> >>> -- >>> >>> >>> >>> Guille Polito >>> >>> Research Engineer >>> >>> Centre de Recherche en Informatique, Signal et Automatique de Lille >>> >>> CRIStAL - UMR 9189 >>> >>> French National Center for Scientific Research - *http://www.cnrs.fr >>> <http://www.cnrs.fr>* >>> >>> >>> *Web:* *http://guillep.github.io* <http://guillep.github.io> >>> >>> *Phone: *+33 06 52 70 66 13 <+33%206%2052%2070%2066%2013> >>> >> >> >
