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From "Simon Willnauer (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-3789) Expose FilteredTermsEnum from MTQ
Date Wed, 15 Feb 2012 13:50:59 GMT
Expose FilteredTermsEnum from MTQ 
----------------------------------

                 Key: LUCENE-3789
                 URL: https://issues.apache.org/jira/browse/LUCENE-3789
             Project: Lucene - Java
          Issue Type: Improvement
          Components: core/search
    Affects Versions: 3.6, 4.0
            Reporter: Simon Willnauer
            Priority: Minor
             Fix For: 3.6, 4.0


MTQ#getEnum() is protected and in order to access it you need to be in the o.a.l.search package.


here is a relevant snipped from the mailing list discussion

{noformat}
getEnum() is protected so it is intended to be called *only* by subclasses (that's the idea
behind protected methods). They are also accessible by other classes from the same package,
but that's more a Java bug than a feature. The problem with MTQ is that RewriteMethod is a
separate *class* and *not a subclass* of MTQ, so the method cannot be called (it can because
of the "java bug" called from same package). So theoretically it has to be public otherwise
you cannot call getEnum().

Another cleaner fix would be to add a protected final method to RewriteMethod that calls this
method from MTQ. So anything subclassing RewriteMethod can get the enum from inside the RewriteMethod
class which is the "correct" way to handle it. Delegating to MTQ is then "internal".
{noformat}

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