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Posted to dev@lucene.apache.org by "Simon Willnauer (JIRA)" <ji...@apache.org> on 2013/03/11 13:19:14 UTC
[jira] [Updated] (LUCENE-4822) Add PatternKeywordTokenFilter to
marks keywords based on regular expressions
[ https://issues.apache.org/jira/browse/LUCENE-4822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simon Willnauer updated LUCENE-4822:
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Attachment: LUCENE-4822.patch
here is a patch (pretty big though). I made KeywordMarkerFilter an abstract base class and added two subclasses PatternKeywordMarkerFilter and SetKeywordMarkerFilter. I also updated the factory to support both based on given arguments. I think this can be useful for others as well if they need to make keyword decisions based on more complex logic.
> Add PatternKeywordTokenFilter to marks keywords based on regular expressions
> ----------------------------------------------------------------------------
>
> Key: LUCENE-4822
> URL: https://issues.apache.org/jira/browse/LUCENE-4822
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Affects Versions: 4.2
> Reporter: Simon Willnauer
> Priority: Minor
> Fix For: 5.0, 4.3
>
> Attachments: LUCENE-4822.patch
>
>
> today we need to pass in an explicit set of terms that we want to marks as keywords. It might make sense to allow patterns as well to prevent certain suffixes etc. to be keyworded.
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