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https://issues.apache.org/jira/browse/JCR-3860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14364031#comment-14364031
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Michael Dürig commented on JCR-3860:
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I see two ways to address this without breaking existing APIs:
# for each time series {{v}} expose a indicator variable {{i}}, such {{i\[k] ==
true}} iff {{v\[k]}} is not missing.
# use a value outside the application domain to encode missing values. Such a
value would need to be exposed through an additional method on {{TimeSeries}}
(e.g. as {{TimeSeries.getMissingValue()}} such that implementations, who are
under control of the values, can chose it.
I would favour the 2nd approach.
> Properly expose missing values in TimeSeries implementations
> ------------------------------------------------------------
>
> Key: JCR-3860
> URL: https://issues.apache.org/jira/browse/JCR-3860
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-jcr-commons
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Labels: JMX, mbean, monitoring
>
> {{TimeSeries}} implementations currently don't have a way for exposing
> missing values during an interval instead reporting {{0}}. This is
> problematic see e.g. OAK-2635.
> cc [~egli]
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