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https://issues.apache.org/jira/browse/LUCENE-986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Busch updated LUCENE-986:
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Attachment: lucene-986.patch
In addition to Hoss' changes this patch:
* Removes the boolean directoryOwner variable from DirectoryIndexReader
and checks for segmentInfos != null instead. I also added a comment
to DirectoryIndexReader about this.
* TestMultiReader now extends the new unit test TestMultiSegmentReader
and overwrites the method openReader().
I'm planning to commit this in a day or so if nobody objects.
> Refactor segmentInfos from IndexReader into its subclasses
> ----------------------------------------------------------
>
> Key: LUCENE-986
> URL: https://issues.apache.org/jira/browse/LUCENE-986
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Michael Busch
> Assignee: Michael Busch
> Priority: Minor
> Fix For: 2.3
>
> Attachments: lucene-986.patch, lucene-986.patch, lucene-986.patch
>
>
> References to segmentInfos in IndexReader cause different kinds of problems
> for subclasses of IndexReader, like e. g. MultiReader.
> Only subclasses of IndexReader that own the index directory, namely
> SegmentReader and MultiSegmentReader, should have a SegmentInfos object
> and be able to access it.
> Further information:
> http://www.gossamer-threads.com/lists/lucene/java-dev/51808
> http://www.gossamer-threads.com/lists/lucene/java-user/52460
> A part of the refactoring work was already done in LUCENE-781
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