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Posted to dev@lucene.apache.org by "Mark Miller (JIRA)" <ji...@apache.org> on 2007/03/06 23:30:24 UTC
[jira] Updated: (LUCENE-794) Beginnings of a span based highlighter
[ https://issues.apache.org/jira/browse/LUCENE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Miller updated LUCENE-794:
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Attachment: spanhighlighter3.patch
This patch tries another approach instead of changing the existing Highlighter api. The result is that if you call getBestFragments more than once, you must call reset() on the SpanScorer between each call. Whether this is better than modifying the existing api, I am not sure.
This patch also adds a new SimpleSpanFragmenter that fragments based on size, but ensures that Spans are not broken up. This class might not be perfect yet.
> 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, spanhighlighter.patch, spanhighlighter2.patch, spanhighlighter3.patch, 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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