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From "Martijn van Groningen (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3778) Create a grouping convenience class
Date Thu, 08 Mar 2012 11:30:58 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225149#comment-13225149
] 

Martijn van Groningen commented on LUCENE-3778:
-----------------------------------------------

bq. Hmm, except in JoinUtil's case, it just has one static method... vs GroupingSearch which
you instantiate, tweak, and use. So I think it's good that they are named differently?
True. Lets keep the current name then.

I think that the package.html should also be updated? It should use the GroupSearch instead
of all the different collectors. 
                
> Create a grouping convenience class
> -----------------------------------
>
>                 Key: LUCENE-3778
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3778
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: modules/grouping
>            Reporter: Martijn van Groningen
>         Attachments: LUCENE-3778.patch, LUCENE-3778.patch
>
>
> Currently the grouping module has many collector classes with a lot of different options
per class. I think it would be a good idea to have a GroupUtil (Or another name?) convenience
class. I think this could be a builder, because of the many options (sort,sortWithinGroup,groupOffset,groupCount
and more) and implementations (term/dv/function) grouping has.

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