[LUCENE-8308] migrate KeywordRepeatFilter to conditional tokenstreams

• Type: Task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: modules/analysis
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Robert Muir
• Created: 11/May/18 16:33
• Updated: 28/Aug/22 15:29

Description

we should deprecate KeywordAttribute in favor of LUCENE-8273 which gives the analysis chain a real "if".

But this isn't straightforward unless we address the KeywordRepeatFilter which sends the token "both ways" down the branch condition. Maybe it can be handled as a subclass.