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https://issues.apache.org/jira/browse/LUCENE-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley resolved LUCENE-1203.
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Resolution: Won't Fix
Lucene Fields: [New, Patch Available] (was: [Patch Available, New])
Closing as "won't fix" for now, since changing the underlying reader on the
searcher would be problematic, and the correct way is to create another index
searcher with the new reader.
> [PATCH] Allow setting IndexReader to IndexSearcher
> --------------------------------------------------
>
> Key: LUCENE-1203
> URL: https://issues.apache.org/jira/browse/LUCENE-1203
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 2.3.1
> Environment: Linux/2.6
> Reporter: Mindaugas Žakšauskas
> Attachments: IndexReaderSetter4IndexSearcher.patch
>
>
> As I've received no counter-arguments for my Lucene Java-User mailing list
> (see
> http://mail-archives.apache.org/mod_mbox/lucene-java-user/200803.mbox/[EMAIL
> PROTECTED]), I would like to propose adding a setter to set new instance of
> IndexReader to IndexSearcher.
> Why is this needed?
> The FAQ
> (http://wiki.apache.org/lucene-java/LuceneFAQ#head-48921635adf2c968f7936dc07d51dfb40d638b82)
> says:
> bq. ??"Make sure you only open one IndexSearcher, and share it among all of
> the threads that are doing searches -- this is safe, and it will minimize the
> number of files that are open concurently."??
> So does the JavaDoc
> (http://lucene.apache.org/java/2_3_1/api/core/org/apache/lucene/search/IndexSearcher.html).
> In my application, I don't want to expose anything about IndexReader; all
> they need to know is Searcher - see my post to the mailing list how would I
> do this. However, if the index is updated, reopened reader cannot be set back
> to IndexSearcher, a new instance of IndexSearcher needs to be created (*which
> contradicts FAQ and Javadoc*).
> At the moment, the only way to go around this is to create a surrogate
> subclass of IndexSearcher and set new instance of IndexReader. A simple
> setter would just do the job.
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