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https://issues.apache.org/jira/browse/LUCENE-8273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466309#comment-16466309
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David Smiley commented on LUCENE-8273:
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Looks good Alan.
* Maybe make {{ConditionBuilder whenTerm(Predicate<CharTermAttribute>
predicate)}} even simpler by referring to CharSequence in the predicate instead
of CharTermAttribute? This is just a convenience method after all; and it keeps
the caller immune to some lower level details like Attributes. And it somewhat
prevents them from using mutable methods on CharTermAttribute which would be
pretty nasty.
> 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, 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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