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https://issues.apache.org/jira/browse/LUCENE-4044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421387#comment-13421387
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Chris Male commented on LUCENE-4044:
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bq. Can we include this into the SPILoader itsself? So when it finds a name
which looks like a full class name (but does not exist in the service list) it
tries to Class.forName.asSubClass(clazz) it and instantiate it in
newInstance(). The replacement of solr. to something else should be maybe done
in Solr as name-preprocessing. Maybe that's too much magic, just an idea.
I'm experimenting with code that kind of does that. It does some
pre-processing of the name before passing it of to the SPI Loader, but then it
just falls back to existing behavior for simplicity (all inside the Solr side
of the code).
> Add NamedSPILoader support to TokenizerFactory, TokenFilterFactory and
> CharFilterFactory
> ----------------------------------------------------------------------------------------
>
> Key: LUCENE-4044
> URL: https://issues.apache.org/jira/browse/LUCENE-4044
> Project: Lucene - Core
> Issue Type: Sub-task
> Components: modules/analysis
> Reporter: Chris Male
> Fix For: 4.0
>
> Attachments: LUCENE-4044.patch
>
>
> In LUCENE-2510 I want to move all the analysis factories out of Solr and into
> the directories with what they create. This is going to hamper Solr's
> existing strategy for supporting {{solr.*}} package names, where it replaces
> {{solr}} with various pre-defined package names. One way to tackle this is
> to use NamedSPILoader so we simply look up {{StandardTokenizerFactory}} for
> example, and find it wherever it is, as long as it is defined as a service.
> This is similar to how we support Codecs currently.
> As noted by Robert in LUCENE-2510, this would also have the benefit of
> meaning configurations could be less verbose, would aid in fully decoupling
> the analysis module from Solr, and make the analysis factories easier to
> interact with.
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