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From "Alan Woodward (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-8273) Add a ConditionalTokenFilter
Date Fri, 18 May 2018 12:00:00 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-8273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16480549#comment-16480549
] 

Alan Woodward commented on LUCENE-8273:
---------------------------------------

I think I have now chased down the last failures, all around end() propagation and how to
deal with position increments when FilteredTermFilter is skipped.  Attached is a patch that
includes [~steve_rowe]'s test improvements.  I'll commit this now, and un-awaitsfix TestRandomChains
and see if that throws out any new bugs in the next while.

> Add a ConditionalTokenFilter
> ----------------------------
>
>                 Key: LUCENE-8273
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8273
>             Project: Lucene - Core
>          Issue Type: New Feature
>            Reporter: Alan Woodward
>            Assignee: Alan Woodward
>            Priority: Major
>             Fix For: 7.4
>
>         Attachments: LUCENE-8273-2.patch, LUCENE-8273-2.patch, LUCENE-8273-part2-rebased.patch,
LUCENE-8273-part2.patch, LUCENE-8273-part2.patch, LUCENE-8273.patch, LUCENE-8273.patch, LUCENE-8273.patch,
LUCENE-8273.patch, LUCENE-8273.patch, LUCENE-8273.patch, LUCENE-8273.patch, LUCENE-8273.patch
>
>
> Spinoff of LUCENE-8265.  It would be useful to be able to wrap a TokenFilter in such
a way that it could optionally be bypassed based on the current state of the TokenStream.
 This could be used to, for example, only apply WordDelimiterFilter to terms that contain
hyphens.



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