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https://issues.apache.org/jira/browse/LUCENE-8273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16458472#comment-16458472
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Alan Woodward commented on LUCENE-8273:
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[~msoko...@gmail.com] in that case, the filter would still get applied, because
we only check the token that is passed to the synonym filter from outside.
Anything that's pulled by the synonym filter itself doesn't get checked.
Although thinking about it, it would be possible to run the check in the
OneTimeWrapper as well and return 'false' from things that don't pass the
check. I'm not sure how that would work with the graph itself though, it might
end up corrupting things.
> 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
> Priority: Major
> Attachments: 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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