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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-4023) Scorer.visitSubScorers() is protected which make it impossible to implement it on a composite scorer in another package; DisjunctionMaxScorer does not implement it
Date Thu, 26 Apr 2012 11:37:17 GMT
Uwe Schindler created LUCENE-4023:
-------------------------------------

             Summary: Scorer.visitSubScorers() is protected which make it impossible to implement
it on a composite scorer in another package; DisjunctionMaxScorer does not implement it
                 Key: LUCENE-4023
                 URL: https://issues.apache.org/jira/browse/LUCENE-4023
             Project: Lucene - Java
          Issue Type: Bug
    Affects Versions: 3.6, 3.5, 3.4, 3.3, 3.2, 3.1
            Reporter: Uwe Schindler
            Assignee: Uwe Schindler
             Fix For: 3.6.1


Scorer.visitSubScorers() is protected which make it impossible to implement it on a composite
scorer in another package.

I came around this issue when I tried to write a workaround for the 2nd problem of this issue:
DisjunctionMaxScorer does not implement visitSubScorers():

If you write a Scorer in another package than o.a.l.search and implement visit subScorers(),
you may need to call the visitSubScorers method recursively on your leaves (sub-scorers).
But this is not possible, as the method is protected.

This issue should also fix the missing implementation of visitSubScorers in DisjMaxQuery.

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