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Date: Sat, 20 Oct 2007 04:06:50 -0700 (PDT)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-743) IndexReader.reopen()
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    [ https://issues.apache.org/jira/browse/LUCENE-743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536419 ] 

Michael McCandless commented on LUCENE-743:
-------------------------------------------

{quote}
I think we are forced to keep this semantics, for backwards
compatibility.  But I don't really think MultiReader/ParallelReader
should actually be this aggressive.  Maybe in the future we can add
ctors for MultiReader/ParallelReader that accept a "doClose" boolean
to turn this off.
{quote}

Actually I retract this: it's no longer necessary as long as we change
ensureOpen to assert that RC > 0 instead of closed==false.

I think this is actually a nice unexpected side-effect of using
reference counting: it resolves this overly aggressive behavior of
MultiReader/ParallelReader.


> IndexReader.reopen()
> --------------------
>
>                 Key: LUCENE-743
>                 URL: https://issues.apache.org/jira/browse/LUCENE-743
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Otis Gospodnetic
>            Assignee: Michael Busch
>            Priority: Minor
>             Fix For: 2.3
>
>         Attachments: IndexReaderUtils.java, lucene-743-take2.patch, lucene-743.patch, lucene-743.patch, lucene-743.patch, MyMultiReader.java, MySegmentReader.java, varient-no-isCloneSupported.BROKEN.patch
>
>
> This is Robert Engels' implementation of IndexReader.reopen() functionality, as a set of 3 new classes (this was easier for him to implement, but should probably be folded into the core, if this looks good).

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