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https://issues.apache.org/jira/browse/LUCENE-1843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-1843:
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    Attachment: LUCENE-1843.patch

Patch - Will commit soon.

> Convert some tests to new TokenStream API, better support of cross-impl 
> AttributeImpl.copyTo()
> ----------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-1843
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1843
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Analysis
>    Affects Versions: 2.9
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>             Fix For: 2.9
>
>         Attachments: LUCENE-1843.patch
>
>
> This patch converts some remaining tests to the new TokenStream API and 
> non-deprecated classes.
> This patch also enhances AttributeImpl.copyTo() of Token and TokenWrapper to 
> also support copying e.g. TermAttributeImpl into Token. The target impl must 
> only support all interfaces but must not be of the same type. Token and 
> TokenWrapper use optimized coping without casting to 6 interfaces where 
> possible.
> Maybe the special tokenizers in contrib (shingle matrix and so on using 
> tokens to cache may be enhanced by that). Also Yonik's request for optimized 
> copying of states between incompatible AttributeSources may be enhanced by 
> that (possibly a new issue).

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