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https://issues.apache.org/jira/browse/LUCENE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12474582
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Mark Miller commented on LUCENE-794:
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Almost at the holy grail here. Everything works except the optional ignoring
fields in the Query object. Scores work, all other tests pass, and even better
there is no more limitation of only highlighting the first and last term in a
Span -- instead all correct terms in each Span will be highlighted. The only
change to the existing code I had to make was to add a parameter to
scoreToken(Token token) -- I had to add int position.
I still think it is very feasible to pass info from this SpanScorer to a
Fragmenter so that the Freagmenter can attempt to avoid splitting up Spans.
The current code will correctly highlight pretty much any standard or span
query ( I think <g>) based on 'actual' hits using the exisiting contrib
highlighter code...I have yet to write out the new extensive Span tests and I
would appreciate it if some others would go over the code for some obvious
improvements, but this is almost ready.
Get the latests:
SpanScorer
SpanQueryExtractor
CachedTokenStream
SpanHighlighterTest
WeightedSpanTerm
Highlighter
- Mark
> Beginnings of a span based highlighter
> --------------------------------------
>
> Key: LUCENE-794
> URL: https://issues.apache.org/jira/browse/LUCENE-794
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Other
> Reporter: Mark Miller
> Priority: Minor
> Attachments: CachedTokenStream.java, CachedTokenStream.java,
> CachedTokenStream.java, DefaultEncoder.java, Encoder.java, Formatter.java,
> Highlighter.java, Highlighter.java, Highlighter.java, Highlighter.java,
> Highlighter.java, HighlighterTest.java, HighlighterTest.java,
> HighlighterTest.java, HighlighterTest.java, MemoryIndex.java,
> QuerySpansExtractor.java, QuerySpansExtractor.java, QuerySpansExtractor.java,
> QuerySpansExtractor.java, SimpleFormatter.java, SpanHighlighterTest.java,
> SpanHighlighterTest.java, SpanScorer.java, SpanScorer.java,
> WeightedSpanTerm.java
>
>
> This is some test code to start the work of adding a span based highlighting
> approach to the existing highlighter in contrib. See
> http://issues.apache.org/jira/browse/LUCENE-403 for some background.
> There is a dependency on MemoryIndex.
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