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https://issues.apache.org/jira/browse/SOLR-1710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12798266#action_12798266
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Chris Male commented on SOLR-1710:
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Just wondering what the return type of WordDelimiterIterator#next() supposed to
indicate? I see that it either returns the end index, or DONE but this value
never seems to be used by the filter. Does it have a role?
> convert worddelimiterfilter to new tokenstream API
> --------------------------------------------------
>
> Key: SOLR-1710
> URL: https://issues.apache.org/jira/browse/SOLR-1710
> Project: Solr
> Issue Type: Improvement
> Components: Schema and Analysis
> Reporter: Robert Muir
> Attachments: SOLR-1710.patch, SOLR-1710.patch
>
>
> This one was a doozy, attached is a patch to convert it to the new
> tokenstream API.
> Some of the logic was split into WordDelimiterIterator (exposes a
> BreakIterator-like api for iterating subwords)
> the filter is much more efficient now, no cloning.
> before applying the patch, copy the existing WordDelimiterFilter to
> OriginalWordDelimiterFilter
> the patch includes a testcase (TestWordDelimiterBWComp) which generates
> random strings from various subword combinations.
> For each random string, it compares output against the existing
> WordDelimiterFilter for all 512 combinations of boolean parameters.
> NOTE: due to bugs found (SOLR-1706), this currently only tests 256 of these
> combinations. The bugs discovered in SOLR-1706 are fixed here.
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