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https://issues.apache.org/jira/browse/LUCENE-3396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102443#comment-13102443
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Chris Male commented on LUCENE-3396:
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Committed revision 1169607.
Now attacking the remaining Analyzers.
> Make TokenStream Reuse Mandatory for Analyzers
> ----------------------------------------------
>
> Key: LUCENE-3396
> URL: https://issues.apache.org/jira/browse/LUCENE-3396
> Project: Lucene - Java
> Issue Type: Improvement
> Components: modules/analysis
> Reporter: Chris Male
> Attachments: LUCENE-3396-rab.patch, LUCENE-3396-rab.patch,
> LUCENE-3396-rab.patch, LUCENE-3396-rab.patch, LUCENE-3396-rab.patch,
> LUCENE-3396-rab.patch, LUCENE-3396-rab.patch
>
>
> In LUCENE-2309 it became clear that we'd benefit a lot from Analyzer having
> to return reusable TokenStreams. This is a big chunk of work, but its time
> to bite the bullet.
> I plan to attack this in the following way:
> - Collapse the logic of ReusableAnalyzerBase into Analyzer
> - Add a ReuseStrategy abstraction to Analyzer which controls whether the
> TokenStreamComponents are reused globally (as they are today) or per-field.
> - Convert all Analyzers over to using TokenStreamComponents. I've already
> seen that some of the TokenStreams created in tests need some work to be
> reusable (even if they aren't reused).
> - Remove Analyzer.reusableTokenStream and convert everything over to using
> .tokenStream (which will now be returning reusable TokenStreams).
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