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Date: Wed, 20 Oct 2010 04:40:23 -0400 (EDT)
From: "Uwe Schindler (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Subject: [jira] Updated: (LUCENE-2715) optimize fuzzytermsenum per-segment
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     [ https://issues.apache.org/jira/browse/LUCENE-2715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler updated LUCENE-2715:
----------------------------------

    Attachment: LUCENE-2715.patch

Police reviewed again and found a solution (Robert asked me) how to make the attribute private. As the impl class must be public for AS to load it, the trick is to wrap it in a private static inner class.

By that the attributes are invisible to both code and javadocs. You can only load and instantiate the class by reflection or when you have a already loaded Class object of the attribute.

Also added javadocs for ctor (forgot that on MTQ per-seg rewrite issue) and made attribute impl final.

I think it's ready to commit. Robert?

> optimize fuzzytermsenum per-segment
> -----------------------------------
>
>                 Key: LUCENE-2715
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2715
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2715.patch, LUCENE-2715.patch, LUCENE-2715.patch, LUCENE-2715.patch
>
>
> we can make fuzzyquery about 3% faster by not creating DFA(s) for each segment.
> creating the DFAs is still somewhat heavy: i can address this here too, but this is easy.

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