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https://issues.apache.org/jira/browse/LUCENE-3789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211055#comment-13211055
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Simon Willnauer commented on LUCENE-3789:
-----------------------------------------

i will go ahead and commit if nobody objects? I will work on a 3.x port once 
this is in trunk
                
> 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
>
>         Attachments: LUCENE-3789.patch
>
>
> 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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