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From "Peter Keegan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2272) PayloadNearQuery has hardwired explanation for 'AveragePayloadFunction'
Date Wed, 19 May 2010 14:20:54 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Peter Keegan updated LUCENE-2272:
---------------------------------

    Attachment: PNQ-patch1.txt

Revisiting this because the PayloadFunction 'explain' methods return the wrong value and aren't
thread safe, as Grant points out. A new patch is attached which eliminates the member variables.

> PayloadNearQuery has hardwired explanation for 'AveragePayloadFunction'
> -----------------------------------------------------------------------
>
>                 Key: LUCENE-2272
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2272
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>            Reporter: Peter Keegan
>            Assignee: Grant Ingersoll
>         Attachments: payloadfunctin-patch.txt, PNQ-patch.txt, PNQ-patch1.txt
>
>
> The 'explain' method in PayloadNearSpanScorer assumes the AveragePayloadFunction was
used. This patch adds the 'explain' method to the 'PayloadFunction' interface, where the Scorer
can call it. Added unit tests for 'explain' and for {Min,Max}PayloadFunction.

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