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https://issues.apache.org/jira/browse/LUCENE-2912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-2912:
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Attachment: LUCENE-2912.patch
Attached is an initial patch, all tests pass.
> remove field param from computeNorm, scorePayload ; remove UOE'd lengthNorm,
> switch SweetSpot to per-field
> -----------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-2912
> URL: https://issues.apache.org/jira/browse/LUCENE-2912
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Robert Muir
> Fix For: 4.0
>
> Attachments: LUCENE-2912.patch
>
>
> In LUCENE-2236 we switched sim to per field (SimilarityProvider returns a
> per-field similarity).
> But we didn't completely cleanup there... I think we should now do this:
> * SweetSpotSimilarity loses all its hashmaps. Instead, just configure one per
> field and return it in your SimilarityProvider. this means for example, all
> its TF factors can now be configured per-field too, not just the length
> normalization factors.
> * computeNorm and scorePayload lose their field parameter, as its redundant
> and confusing.
> * the UOE'd obselete lengthNorm is removed. I also updated javadocs that were
> pointing to it (this is bad!).
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