The @AttributeDefinition is a build time annotation, not a runtime annotation. There is therefore no visibility of the annotation values for DS to use at runtime. This also avoids your bundle from being coupled to the meta type API just because it uses the annotations.
Best Regards, Tim > On 7 Nov 2018, at 11:10, João Assunção via osgi-dev <osgi-dev@mail.osgi.org> > wrote: > > Hi Carsten, > > Thank you for the clarification and the tip. > I assumed the framework would use the defaults provided in > @AttributeDefinition when using an interface for configuration. > > Regards, > João Assunção > > Email: joao.assun...@exploitsys.com <mailto:joao.assun...@exploitsys.com> > Mobile: +351 916968984 > Phone: +351 211933149 > Web: www.exploitsys.com <http://www.exploitsys.com/> > > > > > On Wed, Nov 7, 2018 at 11:00 AM Carsten Ziegeler <cziege...@apache.org > <mailto:cziege...@apache.org>> wrote: > Hi, > > no interfaces are not supported for configuration, only annotations. > Main reason is the support of default values for configuration properties. > > But you can pass in more arguments into the activate method, so instead > of having a base interface C and lets say two configuration interface C1 > and C2 inheriting from C, you specify three annotations C, C1 and C2 > where C1 and C2 only have the additional properties. > In your activate method you can then have two arguments C and C1 for one > component and C and C2 for the other component. > > Regards > Carsten > > Am 07.11.2018 um 11:53 schrieb João Assunção via osgi-dev: > > Hello all, > > > > I have two components where the configuration shares a couple of > > attributes. To avoid duplication, and because Java doesn't allow > > annotations to be extended, I changed the configuration annotations to > > interfaces. > > When building, bnd-maven-plugin fails with the following error message: > > > > Non annotation argument to lifecycle method with descriptor > > > > I checked the specs and @ObjectClassDefinition can be applied to an > > interface type. > > > > Thank you > > João > > > > Email: joao.assun...@exploitsys.com <mailto:joao.assun...@exploitsys.com> > > <mailto:joao.assun...@exploitsys.com <mailto:joao.assun...@exploitsys.com>> > > Mobile: +351 916968984 > > Phone: +351 211933149 > > Web: www.exploitsys.com <http://www.exploitsys.com/> > > <http://www.exploitsys.com <http://www.exploitsys.com/>> > > > > > > > > _______________________________________________ > > OSGi Developer Mail List > > osgi-dev@mail.osgi.org <mailto:osgi-dev@mail.osgi.org> > > https://mail.osgi.org/mailman/listinfo/osgi-dev > > <https://mail.osgi.org/mailman/listinfo/osgi-dev> > > > > -- > Carsten Ziegeler > Adobe Research Switzerland > cziege...@apache.org <mailto:cziege...@apache.org> > _______________________________________________ > OSGi Developer Mail List > osgi-dev@mail.osgi.org > https://mail.osgi.org/mailman/listinfo/osgi-dev
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