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Posted to dev@lucene.apache.org by "Alan Woodward (JIRA)" <ji...@apache.org> on 2018/01/31 15:53:00 UTC

[jira] [Created] (LUCENE-8145) UnifiedHighlighter should use single OffsetEnum rather than List

Alan Woodward created LUCENE-8145:
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             Summary: UnifiedHighlighter should use single OffsetEnum rather than List<OffsetEnum>
                 Key: LUCENE-8145
                 URL: https://issues.apache.org/jira/browse/LUCENE-8145
             Project: Lucene - Core
          Issue Type: Improvement
          Components: modules/highlighter
            Reporter: Alan Woodward
            Assignee: Alan Woodward
         Attachments: LUCENE-8145.patch

The UnifiedHighlighter deals with several different aspects of highlighting: finding highlight offsets, breaking content up into snippets, and passage scoring.  It would be nice to split this up so that consumers can use them separately.

As a first step, I'd like to change the API of FieldOffsetStrategy to return a single unified OffsetsEnum, rather than a collection of them.  This will make it easier to expose the OffsetsEnum of a document directly from the highlighter, bypassing snippet extraction and scoring.



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