| Re: [osgi-users] OSGi DS field-option question |
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At first glance this appears to be a bug. I suggest you open an issue against Felix SCR (assuming that is what you use). Be sure to include an example to reproduce. Before that, ensure that the cardinality is set to 0..n in the component XML that is generated.
Tom
From: osgi-users <osgi-users-bounces@xxxxxxxxxxx> on behalf of Fauth Dirk (ETAS/ENA) via osgi-users <osgi-users@xxxxxxxxxxx>
Sent: Friday, June 10, 2022 5:13 AM To: This is a community mail list for OSGi technology. Any OSGi technical discussion or questions are acceptable here. <osgi-users@xxxxxxxxxxx> Cc: Fauth Dirk (ETAS/ENA) <dirk.fauth@xxxxxxxxxxxx> Subject: [EXTERNAL] [osgi-users] OSGi DS field-option question
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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 |