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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1311) Add ability to open prior commits to IndexReader
Date Fri, 20 Jun 2008 13:27:45 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless updated LUCENE-1311:
---------------------------------------

    Attachment: LUCENE-1311.patch

Attached patch.  All tests pass.  I plan to commit in a day or two.

> 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/%3c85d3c3b60806161735o207a3238sa2e6c415171a8019@mail.gmail.com%3e

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