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Posted to dev@lucene.apache.org by "Paul Elschot (JIRA)" <ji...@apache.org> on 2015/03/19 12:50:39 UTC

[jira] [Commented] (LUCENE-6226) Add interval iterators to Scorer

    [ https://issues.apache.org/jira/browse/LUCENE-6226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14368952#comment-14368952 ] 

Paul Elschot commented on LUCENE-6226:
--------------------------------------

The SpansEnum at LUCENE-6308 is a DocIdSetIterator extended with an interval iterator.
The scoring there is still left to SpansEnumScorer, which works like SpanScorer today.

> Add interval iterators to Scorer
> --------------------------------
>
>                 Key: LUCENE-6226
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6226
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Alan Woodward
>            Assignee: Alan Woodward
>             Fix For: Trunk, 5.1
>
>         Attachments: LUCENE-6226.patch, LUCENE-6226.patch, LUCENE-6226.patch, LUCENE-6226.patch, LUCENE-6226.patch, LUCENE-6226.patch, LUCENE-6226.patch
>
>
> This change will allow Scorers to expose which positions within a document they have matched, via a new IntervalIterator interface.  Consumers get the iterator by calling intervals() on the Scorer, then call reset(docId) whenever the scorer has advanced and nextInterval() to iterate through positions.  Once all matching intervals on the current document have been exhausted, nextInterval() returns false.



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