On Mon, 2016-11-07 at 12:06 +0100, Bertrand Delacretaz wrote: > On Mon, Nov 7, 2016 at 12:01 PM, Carsten Ziegeler <[email protected] > rg> wrote: > > Bertrand Delacretaz wrote > > > ... That's a nice model but IIUC Carsten earlier in this thread > > > OSGi > > > capabilities cannot be created at runtime so that won't work for > > > service users or access rights. > > > > I just had the crazy idea that we could generate them at runtime by > > creating an artifical bundle providing the capabilities. When the > > capabilities change, that bundle could be updated.... > > I like crazy ideas in general, but service users might appear later > during startup, at a time where bundles that need them are already > started so not sure if the dynamics would work. > > If we want to keep the usual dynamics of OSGi, the service model is > probably better - IIRC we are already using somewhere fake services > with properties that act like capabilities, something like depending > on a ServiceUserPresent(target="my-service-user") service. I forgot > where that is.
We do this for the adapter factories https://github.com/apache/sling/blob/4df9ab2d6592422889c71fa13afd453a10 a5a626/bundles/extensions/adapter/src/main/java/org/apache/sling/adapte r/Adaption.java Robert
