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Posted to dev@lucene.apache.org by "Johan Stuyts (JIRA)" <ji...@apache.org> on 2006/09/26 12:02:51 UTC
[jira] Commented: (LUCENE-636) [PATCH] Differently configured
Lucene 'instances' in same JVM
[ 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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