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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1707) Don't use ensureOpen() excessively in IndexReader and IndexWriter
Date Thu, 25 Jun 2009 21:14:07 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12724296#action_12724296
] 

Michael McCandless commented on LUCENE-1707:
--------------------------------------------

bq. Following assert we call ensureOpen, so I don't think refCount will ever be less than
0. Right?

Heh, you are correct!  The only place where we change refCount, we also always call ensureOpen.
 So there's [currently] no way for it to slip past zero without ensureOpen noticing.

Still I'd prefer to leave it, defensively, eg in case things ever change such that refCount
could become negative.

> Don't use ensureOpen() excessively in IndexReader and IndexWriter
> -----------------------------------------------------------------
>
>                 Key: LUCENE-1707
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1707
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Shai Erera
>             Fix For: 2.9
>
>         Attachments: LUCENE-1707.patch, LUCENE-1707.patch
>
>
> A spin off from here: http://www.nabble.com/Excessive-use-of-ensureOpen()-td24127806.html.
> We should stop calling this method when it's not necessary for any internal Lucene code.
Currently, this code seems to hurt properly written apps, unnecessarily.
> Will post a patch soon

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