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From "Simon Willnauer (JIRA)" <>
Subject [jira] Commented: (LUCENE-1679) Make WildcardTermEnum#difference() non-final
Date Wed, 10 Jun 2009 13:14:07 GMT


Simon Willnauer commented on LUCENE-1679:

I see. I could not thing of anything which would break the backwards compat. when removing
the close method. The only thing I could have thought of was some convention I did not know
about. So I assume the WildcardTermEnum_cleanup.patch is fine.


> Make WildcardTermEnum#difference() non-final
> --------------------------------------------
>                 Key: LUCENE-1679
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: 2.9
>            Reporter: Simon Willnauer
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 2.9
>         Attachments: WildcardTermEnum.patch, WildcardTermEnum_cleanup.patch, WildcardTermEnum_cleanup_2nd.patch
> The method WildcardTermEnum#difference() is declared final. I found it very useful to
subclass WildcardTermEnum to implement different scoring for exact vs. partial matches. The
change is rather trivial (attached)  but I guess it could make life easier for a couple of
> I attached two patches:
>  - one which contains the single change to make difference() non-final (WildcardTermEnum.patch)
>  - one which does also contain some minor cleanup of WildcardTermEnum. I removed unnecessary
member initialization and made those final. ( WildcardTermEnum_cleanup.patch)
> Thanks simon

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