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https://issues.apache.org/jira/browse/LUCENE-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless resolved LUCENE-1311.
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Resolution: Fixed
> Add ability to open prior commits to IndexReader
> ------------------------------------------------
>
> Key: LUCENE-1311
> URL: https://issues.apache.org/jira/browse/LUCENE-1311
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Index
> Affects Versions: 2.3
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.4
>
> Attachments: LUCENE-1311.patch
>
>
> If you use a customized DeletionPolicy, which keeps multiple commits
> around (instead of the default which is to only preserve the most
> recent commit), it's useful to be able to list all such commits and
> then open a reader against one of these commits.
> I've added this API to list commits:
> public static Collection IndexReader.listCommits(Directory)
> and these two new open methods to IndexReader to open a specific commit:
> public static IndexReader open(IndexCommit)
> public static IndexReader open(IndexCommit, IndexDeletionPolicy)
> Spinoff from here:
> http://mail-archives.apache.org/mod_mbox/lucene-java-dev/200806.mbox/[EMAIL
> PROTECTED]
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