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Date: Wed, 24 Feb 2010 20:09:27 +0000 (UTC)
From: "Marvin Humphrey (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-2282) Expose IndexFileNames as public,
 and make use of its methods in the code
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    [ https://issues.apache.org/jira/browse/LUCENE-2282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12837988#action_12837988 ] 

Marvin Humphrey commented on LUCENE-2282:
-----------------------------------------

> As the API is now marked @lucene.internal, and it'll only be very
> expert usage, I'm not as concerned as Marvin is about the risks of
> even exposing this. 

Um, the only possible concerns I could have had were regarding public exposure
of this API.  If it's marked as internal, it's an implementation detail.
Whether or not the dot is included in internal-use-only constant strings isn't
something I'm going to waste a lot of time thinking about. ;)

So now, not only do I really, really not care whether this goes in, I have no
qualms about it either.

Having users like Shai who are willing to recompile and regenerate to take
advantage of experimental features is a big boon, as it allows us to test
drive features before declaring them stable.  Designing optimal APIs without
usability testing is difficult to impossible.

> Expose IndexFileNames as public, and make use of its methods in the code
> ------------------------------------------------------------------------
>
>                 Key: LUCENE-2282
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2282
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Shai Erera
>            Assignee: Michael McCandless
>             Fix For: 3.1
>
>         Attachments: LUCENE-2282.patch, LUCENE-2282.patch, LUCENE-2282.patch
>
>
> IndexFileNames is useful for applications that extend Lucene, an in particular those who extend Directory or IndexWriter. It provides useful constants and methods to query whether a certain file is a core Lucene file or not. In addition, IndexFileNames should be used by Lucene's code to generate segment file names, or query whether a certain file matches a certain extension.
> I'll post the patch shortly.

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