[jira] Commented: (LUCENE-2074) Use a separate JFlex generated Unicode 4 by Java 5 compatible StandardTokenizer

["Simon Willnauer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778559#action_12778559 ] 

Simon Willnauer commented on LUCENE-2074:
-----------------------------------------

This might be the wrong place to mention it but I feel bad about this whole Version Enum. It became a pest spread all over the code. Lucene Code begins to look like the C++ Boost library where you see more precompiler statements than template code. We should really try hard to find different solutions than spreading Version all over the place.
I know this is a hard problem but I want to make sure that we do not spread is out in every corner of the code. The Version thing is already annoying enough in Contrib/analyzer.


> Use a separate JFlex generated Unicode 4 by Java 5 compatible StandardTokenizer
> -------------------------------------------------------------------------------
>
>                 Key: LUCENE-2074
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2074
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>             Fix For: 3.0
>
>         Attachments: LUCENE-2074.patch
>
>
> The current trunk version of StandardTokenizerImpl was generated by Java 1.4 (according to the warning). In Java 3.0 we switch to Java 1.5, so we should regenerate the file.
> After regeneration the Tokenizer behaves different for some characters. Because of that we should only use the new TokenizerImpl when Version.LUCENE_30 is used as matchVersion.

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