That helps me a lot! Thanks for clarification.
Regards, Jens Gesendet: Mittwoch, 01. Februar 2017 um 09:58 Uhr Von: "Felix Meschberger" <fmesc...@adobe.com> An: "users@felix.apache.org" <users@felix.apache.org> Betreff: Re: Order of service (un-)registration in SCR Hi Jens Yes, you can. SCR guarantees that the component’s activate method has successfully terminated before returning the service instance. If the activate method fails (throws an exception), the component object is not handed out. Regards Felix > Am 01.02.2017 um 09:47 schrieb Jens Offenbach <wolle5...@gmx.de>: > > Hi Carsten, > thanks a lot for your quick response... I thought that there was a small > notice in the spec, but I cannot find it anymore: Can I rely on the fact, > that a component is fully activated before any service calls are made to it? > > Regards, > Jens > > Gesendet: Mittwoch, 01. Februar 2017 um 09:24 Uhr > Von: "Carsten Ziegeler" <cziege...@apache.org> > An: users@felix.apache.org > Betreff: Re: Order of service (un-)registration in SCR > Jens Offenbach wrote >> Hi, >> I require some advice regarding "Declarative Services". Unfortunately, I >> cannot find anything in the specficiation. I have a component that registers >> a service in the service registry. >> >> What is the order during component activation and deactivation regarding >> service (un-)registration via SCR? When is the service registered and >> unregistered in the service registry? >> >> I made a quick test and found out that the service gets registered before >> the component is fully activated (breakpoint in "activate" method). I do not >> expect that behaviour and what about deactivation. I would expect that the >> service gets unregistered and afterwards the component gets deactived. >> > > It's correct that the service is registered before the component is > activated. The SCR implementation registers a service factory on behalf > of the component. Only if someone is requestion the service from the > registration, the component gets activated. This is in order to support > lazy creation of the component. Otherwise SCR would need to activate all > components and maybe only half of them are used. > > The service gets unregistered first and then deactivate is called, > assuming that the component has been activated in the first place. > > So if no one is using your service, nothing happens wrt your component. > > Regards > > Carsten > > -- > Carsten Ziegeler > Adobe Research Switzerland > cziege...@apache.org > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@felix.apache.org > For additional commands, e-mail: users-h...@felix.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@felix.apache.org > For additional commands, e-mail: users-h...@felix.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@felix.apache.org For additional commands, e-mail: users-h...@felix.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@felix.apache.org For additional commands, e-mail: users-h...@felix.apache.org
