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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1584) Callback for intercepting merging segments in IndexWriter
Date Wed, 10 Jun 2009 22:19:07 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718231#action_12718231
] 

Jason Rutherglen commented on LUCENE-1584:
------------------------------------------

We can make it protected that way it's expert level and a user
needs to inherit from IndexWriter to use it. I don't think today
it's possible to simply inherit from IW to get the merge
information because IW.merge is final, and there needs to be a
way to know the merge was successful. 

> Callback for intercepting merging segments in IndexWriter
> ---------------------------------------------------------
>
>                 Key: LUCENE-1584
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1584
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: 2.4.1
>            Reporter: Jason Rutherglen
>            Priority: Minor
>         Attachments: LUCENE-1584.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> For things like merging field caches or bitsets, it's useful to
> know which segments were merged to create a new segment.

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