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From "Johan Stuyts (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-636) [PATCH] Differently configured Lucene 'instances' in same JVM
Date Tue, 26 Sep 2006 10:02:51 GMT
    [ http://issues.apache.org/jira/browse/LUCENE-636?page=comments#action_12437789 ] 
            
Johan Stuyts commented on LUCENE-636:
-------------------------------------

I just found out that the patch is incomplete. You can only specify the subclass of the SegmentReader
class, but not the subclass of the MultiReader class. If your index contains multiple segments
a MultiReader instead of the specified subclass of SegmentReader is created, and it is not
possible to cast the returned IndexReader to the subclass of SegmentReader you specified in
the LuceneConfig object.


> [PATCH] Differently configured Lucene 'instances' in same JVM
> -------------------------------------------------------------
>
>                 Key: LUCENE-636
>                 URL: http://issues.apache.org/jira/browse/LUCENE-636
>             Project: Lucene - Java
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: Johan Stuyts
>         Attachments: Lucene2DifferentConfigurations.patch
>
>
> Currently Lucene can be configured using system properties. When running multiple 'instances'
of Lucene for different purposes in the same JVM, it is not possible to use different settings
for each 'instance'.
> I made changes to some Lucene classes so you can pass a configuration to that class.
The Lucene 'instance' will use the settings from that configuration. The changes do not effect
the API and/or the current behavior so are backwards compatible.
> In addition to the changes above I also made the SegmentReader and SegmentTermDocs extensible
outside of their package. I would appreciate the inclusion of these changes but don't mind
creating a separate issue for them.

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