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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1058) New Analyzer for buffering tokens
Date Thu, 29 Nov 2007 20:15:43 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546866
] 

Yonik Seeley commented on LUCENE-1058:
--------------------------------------

> In SinkTokenizer you could initalize the iterator in the constructor

Iterators are generally fail-fast, hence it would throw an exception when you tried to use
it later after adding some elements.

> New Analyzer for buffering tokens
> ---------------------------------
>
>                 Key: LUCENE-1058
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1058
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Analysis
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>            Priority: Minor
>             Fix For: 2.3
>
>         Attachments: LUCENE-1058.patch, LUCENE-1058.patch, LUCENE-1058.patch, LUCENE-1058.patch,
LUCENE-1058.patch, LUCENE-1058.patch, LUCENE-1058.patch
>
>
> In some cases, it would be handy to have Analyzer/Tokenizer/TokenFilters that could siphon
off certain tokens and store them in a buffer to be used later in the processing pipeline.
> For example, if you want to have two fields, one lowercased and one not, but all the
other analysis is the same, then you could save off the tokens to be output for a different
field.
> Patch to follow, but I am still not sure about a couple of things, mostly how it plays
with the new reuse API.
> See http://www.gossamer-threads.com/lists/lucene/java-dev/54397?search_string=BufferingAnalyzer;#54397

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