Hi Marco,
I think your reference is mandatory by default. This means your service is
deactivated as soon as the need reference vanishes.
Try to make your service optional.
Kind regards,
Thomas
2017-11-16 17:06 GMT+01:00 MarcoF90 <marco.fierimo...@gmail.com>:
> Hi,
>
> I am using Declarative Services in Apache Karaf 4.1.3. I notice that in all
> @Component using @Reference with policy DYNAMIC on attributes cause
> Component deactivate on service changes. This is an example:
>
> @Component(immediate = true)
> public class Test3 {
>
> private static final Logger logger = LoggerFactory.getLogger(Test3.
> class);
>
> private GreetService greetService;
>
> @Activate
> public void activate(BundleContext bundleContext) {
> logger.info("activate() - IN - input: bundleContext =
> [{}]",
> bundleContext);
> logger.info("activate() - OUT");
> }
>
> @Deactivate
> public void deactivate() {
> logger.info("deactivate() - IN");
> logger.info("deactivate() - OUT");
> }
>
> // ----------------------------- greet service
> --------------------------------- //
> @Reference(policy = ReferencePolicy.DYNAMIC, policyOption =
> ReferencePolicyOption.GREEDY)
> public void setGreetService(GreetService greetService) {
> logger.info("setGreetService() - NOTIFY - msg:
> greetService = [{}]",
> greetService);
> this.greetService = greetService;
> }
>
> public void unsetGreetService(GreetService greetService) {
> logger.info("unsetGreetService() - NOTIFY - msg:
> greetService = [{}]",
> greetService);
> }
>
> public GreetService getGreetService() {
> return greetService;
> }
>
> }
>
> When I deactivate GreetService I'd like to unset it in method
> unsetGreetService() without DISABLE the entire component calling
> deactivate() method. Is this possible? I am able to obtain this behaviour
> only with @Reference properties DYNAMIC and MULTIPLE. Thanks for help.
>
> Marco
>
>
>
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--
M.Sc. Thomas Driessen
Software Methodologies for Distributed Systems
Institute of Computer Science
University of Augsburg
Universitätsstr. 6a
86135 Augsburg, Germany
Tel: +49 821 598-2486
email: thomas.dries...@informatik.uni-augsburg.de
