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https://issues.apache.org/jira/browse/LUCENE-3431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Male updated LUCENE-3431:
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Attachment: LUCENE-3431-3x.patch
Patch for 3x with deprecations.
> Make QueryAutoStopWordAnalyzer immutable and reusable
> -----------------------------------------------------
>
> Key: LUCENE-3431
> URL: https://issues.apache.org/jira/browse/LUCENE-3431
> Project: Lucene - Java
> Issue Type: Improvement
> Components: modules/analysis
> Reporter: Chris Male
> Attachments: LUCENE-3431-3x.patch, LUCENE-3431-trunk.patch
>
>
> Currently QueryAutoStopWordAnalyzer allows its list of stop words to be
> changed after instantiation through its addStopWords() methods. This stops
> the Analyzer from being reusable since it must instantiate its StopFilters
> every time.
> Having these methods means that although the Analyzer can be instantiated
> once and reused between IndexReaders, the actual analysis stack is not
> reusable (which is probably the more expensive part).
> So lets change the Analyzer so that its stop words are set at instantiation
> time, facilitating reuse.
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