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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2014/05/28 09:35:01 UTC
[jira] [Resolved] (LUCENE-5701) Move core closed listeners to
AtomicReader
[ https://issues.apache.org/jira/browse/LUCENE-5701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adrien Grand resolved LUCENE-5701.
----------------------------------
Resolution: Fixed
> Move core closed listeners to AtomicReader
> ------------------------------------------
>
> Key: LUCENE-5701
> URL: https://issues.apache.org/jira/browse/LUCENE-5701
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 4.9, 5.0
>
> Attachments: LUCENE-5701.patch, LUCENE-5701.patch
>
>
> Core listeners are very helpful when managing per-segment caches (filters, uninverted doc values, etc.) yet this API is only exposed on {{SegmentReader}}. If you want to use it today, you need to do instanceof checks, try to unwrap in case of a FilterAtomicReader and finally fall back to a reader closed listener if every other attempt to get the underlying SegmentReader failed.
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