Uses of Class
org.apache.lucene.search.grouping.GroupSelector

Uses of GroupSelector in org.apache.lucene.search.grouping

Subclasses of GroupSelector in org.apache.lucene.search.grouping

Modifier and Type	Class	Description
class	DoubleRangeGroupSelector	A GroupSelector implementation that groups documents by double values
class	LongRangeGroupSelector	A GroupSelector implementation that groups documents by long values
class	TermGroupSelector	A GroupSelector implementation that groups via SortedDocValues
class	ValueSourceGroupSelector	A GroupSelector that groups via a ValueSource

Fields in org.apache.lucene.search.grouping declared as GroupSelector

Modifier and Type	Field	Description
protected final GroupSelector<T>	SecondPassGroupingCollector.groupSelector

Methods in org.apache.lucene.search.grouping that return GroupSelector

Modifier and Type	Method	Description
GroupSelector<T>	FirstPassGroupingCollector.getGroupSelector()
GroupSelector<T>	SecondPassGroupingCollector.getGroupSelector()

Methods in org.apache.lucene.search.grouping with parameters of type GroupSelector

Modifier and Type	Method	Description
static <T> AllGroupHeadsCollector<T>	AllGroupHeadsCollector.newCollector(GroupSelector<T> selector, Sort sort)	Create a new AllGroupHeadsCollector based on the type of within-group Sort required

Constructors in org.apache.lucene.search.grouping with parameters of type GroupSelector

Modifier	Constructor	Description
	AllGroupsCollector(GroupSelector<T> groupSelector)	Create a new AllGroupsCollector
	DistinctValuesCollector(GroupSelector<T> groupSelector, Collection<SearchGroup<T>> groups, GroupSelector<R> valueSelector)	Create a DistinctValuesCollector
	FirstPassGroupingCollector(GroupSelector<T> groupSelector, Sort groupSort, int topNGroups)	Create the first pass collector.
	FirstPassGroupingCollector(GroupSelector<T> groupSelector, Sort groupSort, int topNGroups, boolean ignoreDocsWithoutGroupField)	Create the first pass collector with ignoreDocsWithoutGroupField
	GroupingSearch(GroupSelector<?> groupSelector)	Constructs a GroupingSearch instance that groups documents using a GroupSelector
	SecondPassGroupingCollector(GroupSelector<T> groupSelector, Collection<SearchGroup<T>> groups, GroupReducer<T,?> reducer)	Create a new SecondPassGroupingCollector
	TopGroupsCollector(GroupSelector<T> groupSelector, Collection<SearchGroup<T>> groups, Sort groupSort, Sort withinGroupSort, int maxDocsPerGroup, boolean getMaxScores)	Create a new TopGroupsCollector

Constructor parameters in org.apache.lucene.search.grouping with type arguments of type GroupSelector

Modifier	Constructor	Description
	AllGroupHeadsCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory, Sort sortWithinGroup)	Creates a new AllGroupHeadsCollectorManager.
	AllGroupsCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory)	Creates a new AllGroupsCollectorManager.
	DistinctValuesCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory, Collection<SearchGroup<T>> searchGroups, Supplier<GroupSelector<R>> valueSelectorFactory)	Creates a new DistinctValuesCollectorManager.
	FirstPassGroupingCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory, Sort groupSort, int groupOffset, int topNGroups)	Creates a new FirstPassGroupingCollectorManager.
	FirstPassGroupingCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory, Sort groupSort, int groupOffset, int topNGroups, boolean ignoreDocsWithoutGroupField)	Creates a new FirstPassGroupingCollectorManager.
	TopGroupsCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory, Collection<SearchGroup<T>> searchGroups, Sort groupSort, Sort sortWithinGroup, int withinGroupOffset, int maxDocsPerGroup, boolean getMaxScores)	Creates a new TopGroupsCollectorManager.
	TopGroupsCollectorManager(Supplier<GroupSelector<T>> groupSelectorFactory, Collection<SearchGroup<T>> searchGroups, Sort groupSort, Sort sortWithinGroup, int withinGroupOffset, int maxDocsPerGroup, boolean getMaxScores, TopGroups.ScoreMergeMode scoreMergeMode)	Creates a new TopGroupsCollectorManager.