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https://issues.apache.org/jira/browse/LUCENE-1826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745530#action_12745530
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Tim Smith commented on LUCENE-1826:
-----------------------------------
NOTE: for me, this is just a "nice to have"
I currently only use my "concat" TokenStream on my own TokenStream
implementations right now (so i can do this manually on my own TokenStream
Impls)
however i would like to be able to directly use lucene "Tokenizers" under my
"concat" TokenStream under some situations in the future
> 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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