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https://issues.apache.org/jira/browse/LUCENE-2510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252191#comment-13252191
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Robert Muir commented on LUCENE-2510:
-------------------------------------

{quote}
With all that said, its only used in 3 Factories (but a lot of other Solr 
code). Perhaps we can break it out somehow.
{quote}

I guess my main problem with it is the generics (it returns Object).
Seems like the generics could be fixed so its parameterized to return ? extends 
X.
If we add generics violations to the analyzers module, Uwe will not be happy :)

{quote}
I don't at this stage, but you're right, there is duplication. Off the top of 
my head I think we'd want to move everything over to using ResourceLoader, but 
somehow incorporate the WordlistLoader logic somewhere.
{quote}

Right I was just thinking really this stuff should be mostly in one place. I 
think
its a little better now but there is some stuff in both places. I guess I can 
let
that go, but it would be cool to have some sort of plan here, and if we don't 
tackle
it, at least open up a followup issue since we are talking about an interface 
here:
we won't be able to easy fix it without hard API breaks if we need.

Don't get me wrong: when interfaces are the right choice, we should use them 
without fear! 
I think we just need to be extra careful up-front since we really should not 
break
them across minor releases.

                
> migrate solr analysis factories to analyzers module
> ---------------------------------------------------
>
>                 Key: LUCENE-2510
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2510
>             Project: Lucene - Java
>          Issue Type: Task
>          Components: modules/analysis
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2510.patch
>
>
> In LUCENE-2413 all TokenStreams were consolidated into the analyzers module.
> This is a good step, but I think the next step is to put the Solr factories 
> into the analyzers module, too.
> This would make analyzers artifacts plugins to both lucene and solr, with 
> benefits such as:
> * users could use the old analyzers module with solr, too. This is a good 
> step to use real library versions instead of Version for backwards compat.
> * analyzers modules such as smartcn and icu, that aren't currently available 
> to solr users due to large file sizes or dependencies, would be simple 
> optional plugins to solr and easily available to users that want them.
> Rough sketch in this thread: 
> http://www.lucidimagination.com/search/document/3465a0e55ba94d58/solr_and_analyzers_module
> Practically, I havent looked much and don't really have a plan for how this 
> will work yet, so ideas are very welcome.

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