Class Hierarchy
- java.lang.Object
- org.apache.lucene.search.grouping.AllGroupHeadsCollector.GroupHead<T>
 - org.apache.lucene.search.grouping.DistinctValuesCollector.GroupCount<T,R>
 - org.apache.lucene.search.grouping.GroupDocs<T>
 - org.apache.lucene.search.grouping.GroupFacetCollector.FacetEntry
 - org.apache.lucene.search.grouping.GroupFacetCollector.GroupedFacetResult
 - org.apache.lucene.search.grouping.GroupFacetCollector.SegmentResult
 - org.apache.lucene.search.grouping.GroupingSearch
 - org.apache.lucene.search.grouping.GroupReducer<T,C>
 - org.apache.lucene.search.grouping.GroupSelector<T>
- org.apache.lucene.search.grouping.TermGroupSelector
 - org.apache.lucene.search.grouping.ValueSourceGroupSelector
 
 - org.apache.lucene.search.grouping.SearchGroup<T>
- org.apache.lucene.search.grouping.CollectedSearchGroup<T>
 
 - org.apache.lucene.search.SimpleCollector (implements org.apache.lucene.search.Collector, org.apache.lucene.search.LeafCollector)
- org.apache.lucene.search.grouping.AllGroupHeadsCollector<T>
 - org.apache.lucene.search.grouping.AllGroupsCollector<T>
 - org.apache.lucene.search.grouping.BlockGroupingCollector
 - org.apache.lucene.search.grouping.FirstPassGroupingCollector<T>
 - org.apache.lucene.search.grouping.GroupFacetCollector
- org.apache.lucene.search.grouping.TermGroupFacetCollector
 
 - org.apache.lucene.search.grouping.SecondPassGroupingCollector<T>
- org.apache.lucene.search.grouping.DistinctValuesCollector<T,R>
 - org.apache.lucene.search.grouping.TopGroupsCollector<T>
 
 
 - org.apache.lucene.search.grouping.TopGroups<T>
 
 
Enum Hierarchy
- java.lang.Object
- java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
- org.apache.lucene.search.grouping.GroupSelector.State
 - org.apache.lucene.search.grouping.TopGroups.ScoreMergeMode
 
 
 - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)