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https://issues.apache.org/jira/browse/LUCENE-6446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-6446:
---------------------------------
Attachment: LUCENE-6446.patch
Here is a patch which removes ComplexExplanation and makes Explanation
immutable.
> Simplify Explanation API
> ------------------------
>
> Key: LUCENE-6446
> URL: https://issues.apache.org/jira/browse/LUCENE-6446
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: Trunk, 5.2
>
> Attachments: LUCENE-6446.patch
>
>
> We should make this API easier to consume, for instance:
> - enforce important components to be non-null (eg. description)
> - decouple entirely the score computation from whether there is a match or
> not (Explanation assumes there is a match if the score is > 0, you need to
> use ComplexExplanation to override this behaviour)
> - return an empty array instead of null when there are no "details"
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