Hi,
I think this should be possible the way you do it, so that's a "yes" to
the first two of your questions at the end :)
Before we start to look for a bug in the implementation, could you
please check the scr 2.0.6 release and see whether it's already fixed there?
If not, please open a jira ticket.
Regards
Carsten
Christian Wolf wrote
> Hi,
>
> I am using DS @Component and trying to get notified through @Modified when
> a shared pid file is updated (using felix scr 2.0.2 in karaf 4.0.5)
>
> I defined a configuration interface such as:
>
> @ObjectClassDefinition(pid = "foo.bar")
> public @interface MyConfig {
> String username() default "myuser";
> String url() default "http://localhost:8080";;
> }
>
> Then, I have 3 differents classes with @Component annotation. All of them
> are mapped to this pid "foo.bar".
> Please note that each component is defined in separated bundles.
>
> @Component(configurationPid = "foo.bar", immediate = true)
> @Designate(ocd = MyConfig.class)
> public class CompA implements MyInterfaceA {
>
> @Activate
> public void activate(MyConfig myConfig) {
> ...
> }
>
> @Modified
> public synchronized void modify(MyConfig myConfig) {
> ...
> }
> }
>
> @Component(configurationPid = "foo.bar")
> @Designate(ocd = MyConfig.class)
> public class CompB implements MyInterfaceB {
>
> @Activate
> public void activate(MyConfig myConfig) {
> ...
> }
>
> @Modified
> public synchronized void modify(MyConfig myConfig) {
> ...
> }
> }
>
> @Component(configurationPid = "foo.bar")
> @Designate(ocd = MyConfig.class)
> public class CompC implements MyInterfaceC {
>
> @Activate
> public void activate(MyConfig myConfig) {
> ...
> }
>
> @Modified
> public synchronized void modify(MyConfig myConfig) {
> ...
> }
> }
>
> All these 3 components are activated.
> When the corresponding pid file foo.bar.cfg is updated, the
> modify(MyConfig) method surrounded with the @Modified annotations is
> invoked only for one of them.
> Moreover, the component that get updated randomly change when restarting
> the application.
>
> Question:
> - Can @Component(s) of separate bundles be notified through @Modified
> annotated methods when a shared pid file is updated?
> - Is it possible to achieve this using annotation configuration classes as
> I did here with MyConfig class (with DS 1.3)?
> - If not possible, is there any alternative solution to achieve this?
>
> Thanks for your help.
> Kind Regards,
> Christian
>
--
Carsten Ziegeler
Adobe Research Switzerland
cziege...@apache.org
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