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https://issues.apache.org/jira/browse/FELIX-4847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tuomas Kiviaho updated FELIX-4847:
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Summary: Allow TemporalServiceDependency to be optional (was: Make
TemporalServiceDependency always available (and/or allow it to be optional))
> Allow TemporalServiceDependency to be optional
> ----------------------------------------------
>
> Key: FELIX-4847
> URL: https://issues.apache.org/jira/browse/FELIX-4847
> Project: Felix
> Issue Type: Wish
> Components: Dependency Manager
> Affects Versions: dependencymanager-3.2.0
> Reporter: Tuomas Kiviaho
>
> I wanted to use temporal service to wait for CM update thread to finish what
> it's doing (because the spec doesn't have a non-parallel version).
> Everything worked fine until JUnit test rule said that the component isn't
> ready yet. I was merely checking that every required dependency was also
> available and to my surprise the temporal service was marked unavailable
> until the CM had completed what it was doing.
> 1) Shouldn't temporal service be always available externally via available
> property and keep track on the actual state only internally? This approach
> might not be backwards compatible.
> 2) Could temporal service be allowed to be marked as optional. This would
> suit my use case, but it feels like a 'golden hammer' approach because it
> alters component's state machine behavior a bit which in turn can be harmful
> for other use cases.
> As a workaround I'd have to differentiate the dependencies somehow from each
> other, but I see that the 4.x has removed the dedicated interface that I was
> thinking of relying upon to.
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