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https://issues.apache.org/jira/browse/LUCENE-3778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225146#comment-13225146
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Michael McCandless commented on LUCENE-3778:
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bq. In the join module we have the JoinUtil. Maybe rename it to GroupUtil? Just
to be consistent? Or rename JoinUtil to JoinSearch?
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?
> 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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