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https://issues.apache.org/jira/browse/LUCENE-1608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12709068#action_12709068
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Steven Bethard commented on LUCENE-1608:
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Sorry it took so long for me to try this out, but yes, this does exactly what I
need. I'd love to see the package reorganized so that this kind of thing would
be easier. I'm far from a Lucene expert, but if there's anything I can do to
help, let me know and I'll try to make some time for it.
> CustomScoreQuery should support arbitrary Queries
> -------------------------------------------------
>
> Key: LUCENE-1608
> URL: https://issues.apache.org/jira/browse/LUCENE-1608
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Query/Scoring
> Reporter: Steven Bethard
> Assignee: Doron Cohen
> Priority: Minor
> Attachments: LUCENE-1608.patch
>
>
> CustomScoreQuery only allows the secondary queries to be of type
> ValueSourceQuery instead of allowing them to be any type of Query. As a
> result, what you can do with CustomScoreQuery is pretty limited.
> It would be nice to extend CustomScoreQuery to allow arbitrary Query objects.
> Most of the code should stay about the same, though a little more care would
> need to be taken in CustomScorer.score() to use 0.0 when the sub-scorer does
> not produce a score for the current document.
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