| [osgi-users] OSGi DS field-option question |
|
Hi, I am trying to create a service that stores some other service references and exchange them based on a target property. @Component(service = StringModifierRegistry.class) public
class StringModifierRegistry {
@Reference(target =
"(!(service.intents=jaxrs))", policy = ReferencePolicy.DYNAMIC)
final List<StringModifier>
stringModifier =
new CopyOnWriteArrayList<>();
@Activate
void activate() { System.out.println("registry
activated"); }
@Deactivate
void deactivate() { System.out.println("registry
deactivated"); }
public List<StringModifier> getStringModifier() {
return
this.stringModifier; } } Since the policy is DYNAMIC and the list is final which leads to
field-option="update"
I would have expected that the list is updated and not replaced if I change the target filter via ConfigurationAdmin. But what I see is that the component gets deactivated and activated whenever I update the configuration. Switching to event binding also causes deactivate and activate. Maybe it is then not related to the collection update, but I am not sure. Is the deactivate and activate caused by the configuration update of the target target property or because the bound services change? I haven’t found a passage in
the specification on that topic. But maybe I looked in the wrong sections. Mit freundlichen Grüßen / Best regards |