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From "Tim Smith (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1826) All Tokenizer implementations should have constructor that takes an AttributeSource
Date Thu, 20 Aug 2009 17:44:14 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tim Smith updated LUCENE-1826:
------------------------------

    Fix Version/s: 2.9

> All Tokenizer implementations should have constructor that takes an AttributeSource
> -----------------------------------------------------------------------------------
>
>                 Key: LUCENE-1826
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1826
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Analysis
>    Affects Versions: 2.9
>            Reporter: Tim Smith
>             Fix For: 2.9
>
>
> I have a TokenStream implementation that joins together multiple sub TokenStreams (i
then do additional filtering on top of this, so i can't just have the indexer do the merging)
> in 2.4, this worked fine.
> once one sub stream was exhausted, i just started using the next stream 
> however, in 2.9, this is very difficult, and requires copying Term buffers for every
token being aggregated
> however, if all the sub TokenStreams share the same AttributeSource, and my "concat"
TokenStream shares the same AttributeSource, this goes back to being very simple (and very
efficient)
> So for example, i would like to see the following constructor added to StandardTokenizer:
> {code}
>   public StandardTokenizer(AttributeSource source, Reader input, boolean replaceInvalidAcronym)
{
>     super(source);
>     ...
>   }
> {code}
> would likewise want similar constructors added to all Tokenizer sub classes provided
by lucene

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