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From "Michael Busch (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-743) IndexReader.reopen()
Date Tue, 16 Oct 2007 22:29:51 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12535362
] 

Michael Busch commented on LUCENE-743:
--------------------------------------

{quote}
So I think deleteDocument(int id) should either be moved to a subclass. same with setNorms?
{quote}

Or we could take the approach you suggested in http://www.gossamer-threads.com/lists/lucene/java-dev/52017.

That would mean to add a callback after flush to get a current IndexReader to get the docids
and to use the IndexWriter then to perform deleteDocument(docId) or setNorm(). These methods
could also take an IndexReader as argument, e. g. deleteDocument(IndexReader reader, int docId),
which would throw an IOException if the passed in reader is stale (i. e. docids have changed
since the reader was opened). Just as IndexReader does it today. Does this make sense or am
I missing something?

> 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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