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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1804) Can't specify AttributeSource for Tokenizer
Date Wed, 12 Aug 2009 16:43:14 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742441#action_12742441
] 

Yonik Seeley commented on LUCENE-1804:
--------------------------------------

OO design principal of not removing functionality - Tokenizer's superclass can specify it's
AttributeSource... why can't Tokenizer?  We shouldn't disallow it just because we can't immediately
think of a use case.

bq. I am still not sure, why a simple TokenFilter does not serve the same pupose you would
like to have with Tokenizer here.

Simplest case: a Tokenizer that delegates to an existing Tokenizer or TokenStream?

> Can't specify AttributeSource for Tokenizer
> -------------------------------------------
>
>                 Key: LUCENE-1804
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1804
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Yonik Seeley
>         Attachments: LUCENE-1804.patch
>
>
> One can't currently specify the attribute source for a Tokenizer like one can with any
other TokenStream.

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