## Uses of Class
org.apache.lucene.search.grouping.GroupReducer

### Uses of GroupReducer in org.apache.lucene.search.grouping

Fields in org.apache.lucene.search.grouping declared as GroupReducer
`protected GroupReducer<T,?>` SecondPassGroupingCollector.`groupReducer`

Constructors in org.apache.lucene.search.grouping with parameters of type GroupReducer
Constructor and Description
`SecondPassGroupingCollector(GroupSelector<T> groupSelector, Collection<SearchGroup<T>> groups, GroupReducer<T,?> reducer)` Create a new SecondPassGroupingCollector