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https://issues.apache.org/jira/browse/LUCENE-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12839411#action_12839411
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Uwe Schindler commented on LUCENE-2285:
---------------------------------------

Of course it would not be needed for Lucene 3.1. But we still merge a lot of 
bugfix code back, so the casts ensure that it can be done easily. This one 
warning in one of the contrib queryparsers (i reverted even not generated 
code), will be added later. I think the biggest change in this issue was 
removal of Version.LUCENE_CURRENT in tests.

There are still some places, where LUCENE_CURRENT is used in core code. I will 
close the linked issue now.

> Code cleanup from all sorts of (trivial) warnings
> -------------------------------------------------
>
>                 Key: LUCENE-2285
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2285
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Shai Erera
>            Assignee: Uwe Schindler
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: LUCENE-2285-remaining+generated.patch, 
> LUCENE-2285-remaining.patch, LUCENE-2285.patch, LUCENE-2285.patch, 
> LUCENE-2285.patch
>
>
> I would like to do some code cleanup and remove all sorts of trivial 
> warnings, like unnecessary casts, problems w/ javadocs, unused variables, 
> redundant null checks, unnecessary semicolon etc. These are all very trivial 
> and should not pose any problem.
> I'll create another issue for getting rid of deprecated code usage, like 
> LuceneTestCase and all sorts of deprecated constructors. That's also trivial 
> because it only affects Lucene code, but it's a different type of change.
> Another issue I'd like to create is about introducing more generics in the 
> code, where it's missing today - not changing existing API. There are many 
> places in the code like that.
> So, with you permission, I'll start with the trivial ones first, and then 
> move on to the others.

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