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From "Carsten Ziegeler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FELIX-4964) [DS] Reactivate component at most once per service event
Date Sat, 18 Jul 2015 16:56:04 GMT

    [ https://issues.apache.org/jira/browse/FELIX-4964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14632521#comment-14632521
] 

Carsten Ziegeler commented on FELIX-4964:
-----------------------------------------

Ok, got it - sounds great to me

> [DS] Reactivate component at most once per service event
> --------------------------------------------------------
>
>                 Key: FELIX-4964
>                 URL: https://issues.apache.org/jira/browse/FELIX-4964
>             Project: Felix
>          Issue Type: Bug
>          Components: Declarative Services (SCR)
>    Affects Versions: scr-2.0.0
>            Reporter: David Jencks
>            Assignee: David Jencks
>             Fix For: scr-2.0.0
>
>
> When a component has several references to the same service (most likely scenario is
field references for object, properties, service ref all for the same service) and a service
event results in the component being deactivated and activated (such as a static reference
being replaced by another) then we should only reactivate the component instance once.
> The solution I have in mind involves distributing events to the service trackers for
the components in a bundle through the BundleComponentActivator and tracking the components
that need to be activated with the event.  Once all the relevant service trackers have been
notified, we can try to activate all the components relevant to that service event.



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