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https://issues.apache.org/jira/browse/LUCENE-3760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204082#comment-13204082
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Michael McCandless commented on LUCENE-3760:
--------------------------------------------

bq. what are the high-level use-cases for these static methods?

Well, they let you get the version and commit userData w/o having to open the 
full index... it's a nice "freedom" (much lower cost than opening a reader), 
but how applications actually make use of that freedom specifically, I'm not 
sure?

{quote}
(as mentioned on the list), I like the improvements to the javadocs,
 but shouldn't we do the same for getLastCommitUserData(Directory)? (if we keep 
it)
{quote}

Woops, I'll fix...

bq. Should we fix the getCurrentXXX methods in SegmentInfos.java for 
consistency?

Ahh right I will...
                
> Cleanup DR.getCurrentVersion/DR.getUserData/DR.getIndexCommit().getUserData()
> -----------------------------------------------------------------------------
>
>                 Key: LUCENE-3760
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3760
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 3.6, 4.0
>
>         Attachments: LUCENE-3760.patch
>
>
> Spinoff from Ryan's dev thread "DR.getCommitUserData() vs 
> DR.getIndexCommit().getUserData()"... these methods are confusing/dups right 
> now.

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