[jira] [Updated] (LUCENE-8332) New ConcatenateGraphTokenStream (move/rename CompletionTokenStream)

["David Smiley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-8332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Smiley updated LUCENE-8332:
---------------------------------
    Attachment: LUCENE-8332.patch

> New ConcatenateGraphTokenStream (move/rename CompletionTokenStream)
> -------------------------------------------------------------------
>
>                 Key: LUCENE-8332
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8332
>             Project: Lucene - Core
>          Issue Type: New Feature
>          Components: modules/analysis
>            Reporter: David Smiley
>            Assignee: David Smiley
>            Priority: Major
>         Attachments: LUCENE-8332.patch
>
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> Lets move and rename the CompletionTokenStream in the suggest module into the analysis module renamed as ConcatenateGraphTokenStream. See comments in LUCENE-8323 leading to this idea. Such a TokenStream (or TokenFilter?) has several uses:
>  * for the suggest module
>  * by the SolrTextTagger for NER/ERD use cases – SOLR-12376
>  * for doing complete match search efficiently
> It will need a factory – a TokenFilterFactory, even though we don't have a TokenFilter based subclass of TokenStream.
> It appears there is no back-compat concern in it suddenly disappearing from the suggest module as it's marked experimental and it only seems to be public now perhaps due to some technicality (it has package level constructors).



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