Uses of Interface
org.apache.lucene.search.LeafCollector

Packages that use LeafCollector

Package	Description
org.apache.lucene.monitor	Monitoring framework
org.apache.lucene.search	Code to search indices.
org.apache.lucene.search.grouping	Grouping.
org.apache.lucene.search.join	Support for index-time and query-time joins.
org.apache.lucene.search.suggest.document	Support for document suggestion

Uses of LeafCollector in org.apache.lucene.monitor

Classes in org.apache.lucene.monitor that implement LeafCollector

Modifier and Type	Class	Description
private class	CollectingMatcher.MatchCollector
(package private) static class	QueryIndex.MonitorQueryCollector	A Collector that decodes the stored query for each document hit.

Uses of LeafCollector in org.apache.lucene.search

Classes in org.apache.lucene.search that implement LeafCollector

Modifier and Type	Class	Description
(package private) class	BooleanScorer.OrCollector
private class	CachingCollector.NoScoreCachingLeafCollector
private class	CachingCollector.ScoreCachingLeafCollector
class	FilterLeafCollector	LeafCollector delegator.
class	MemoryAccountingBitsetCollector	Bitset collector which supports memory tracking
private static class	MultiCollector.MultiLeafCollector
class	MultiCollectorManager.Collectors.LeafCollectors
class	SimpleCollector	Base Collector implementation that is used to collect all contexts.
private static class	TopFieldCollector.MultiComparatorLeafCollector
(package private) static class	TopScoreDocCollector.ScorerLeafCollector
class	TotalHitCountCollector	Just counts the total number of hits.

Fields in org.apache.lucene.search declared as LeafCollector

Modifier and Type	Field	Description
private LeafCollector[]	MultiCollector.MultiLeafCollector.collectors
protected LeafCollector	FilterLeafCollector.in
private LeafCollector[]	MultiCollectorManager.Collectors.LeafCollectors.leafCollectors

Methods in org.apache.lucene.search that return LeafCollector

Modifier and Type	Method	Description
LeafCollector	CachingCollector.NoScoreCachingCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	Collector.getLeafCollector(LeafReaderContext context)	Create a new collector to collect the given context.
LeafCollector	DiversifiedTopDocsCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	DocValuesStatsCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	FilterCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	LargeNumHitsTopDocsCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	MultiCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	MultiCollectorManager.Collectors.getLeafCollector(LeafReaderContext context)
LeafCollector	PositiveScoresOnlyCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	SimpleCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TimeLimitingCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopFieldCollector.PagingFieldCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopFieldCollector.SimpleFieldCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopScoreDocCollector.PagingTopScoreDocCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopScoreDocCollector.SimpleTopScoreDocCollector.getLeafCollector(LeafReaderContext context)
private LeafCollector	ConstantScoreQuery.ConstantBulkScorer.wrapCollector(LeafCollector collector)

Methods in org.apache.lucene.search with parameters of type LeafCollector

Modifier and Type	Method	Description
protected void	CachingCollector.NoScoreCachingCollector.collect(LeafCollector collector, int i)
protected void	CachingCollector.ScoreCachingCollector.collect(LeafCollector collector, int i)
(package private) void	BooleanScorer.BulkScorerAndDoc.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	BooleanScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
void	BulkScorer.score(LeafCollector collector, Bits acceptDocs)	Scores and collects all matching documents.
abstract int	BulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)	Collects matching documents in a range and return an estimation of the next matching document which is on or after max.
int	ConstantScoreQuery.ConstantBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	ReqExclBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	Weight.DefaultBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
(package private) static void	Weight.DefaultBulkScorer.scoreAll(LeafCollector collector, DocIdSetIterator iterator, TwoPhaseIterator twoPhase, Bits acceptDocs)	Specialized method to bulk-score all hits; we separate this from Weight.DefaultBulkScorer.scoreRange(org.apache.lucene.search.LeafCollector, org.apache.lucene.search.DocIdSetIterator, org.apache.lucene.search.TwoPhaseIterator, org.apache.lucene.util.Bits, int, int) to help out hotspot.
private void	BooleanScorer.scoreDocument(LeafCollector collector, int base, int i)
private void	BooleanScorer.scoreMatches(LeafCollector collector, int base)
(package private) static int	Weight.DefaultBulkScorer.scoreRange(LeafCollector collector, DocIdSetIterator iterator, TwoPhaseIterator twoPhase, Bits acceptDocs, int currentDoc, int end)	Specialized method to bulk-score a range of hits; we separate this from Weight.DefaultBulkScorer.scoreAll(org.apache.lucene.search.LeafCollector, org.apache.lucene.search.DocIdSetIterator, org.apache.lucene.search.TwoPhaseIterator, org.apache.lucene.util.Bits) to help out hotspot.
private BooleanScorer.BulkScorerAndDoc	BooleanScorer.scoreWindow(BooleanScorer.BulkScorerAndDoc top, LeafCollector collector, Bits acceptDocs, int min, int max)
private void	BooleanScorer.scoreWindowIntoBitSetAndReplay(LeafCollector collector, Bits acceptDocs, int base, int min, int max, BooleanScorer.BulkScorerAndDoc[] scorers, int numScorers)
private void	BooleanScorer.scoreWindowMultipleScorers(LeafCollector collector, Bits acceptDocs, int windowBase, int windowMin, int windowMax, int maxFreq)
private void	BooleanScorer.scoreWindowSingleScorer(BooleanScorer.BulkScorerAndDoc bulkScorer, LeafCollector collector, Bits acceptDocs, int windowMin, int windowMax, int max)
protected CachingCollector.NoScoreCachingLeafCollector	CachingCollector.NoScoreCachingCollector.wrap(LeafCollector in, int maxDocsToCache)
protected CachingCollector.NoScoreCachingLeafCollector	CachingCollector.ScoreCachingCollector.wrap(LeafCollector in, int maxDocsToCache)
private LeafCollector	ConstantScoreQuery.ConstantBulkScorer.wrapCollector(LeafCollector collector)

Constructors in org.apache.lucene.search with parameters of type LeafCollector

Constructor	Description
FilterLeafCollector(LeafCollector in)	Sole constructor.
NoScoreCachingLeafCollector(LeafCollector in, int maxDocsToCache)
ScoreCachingLeafCollector(LeafCollector in, int maxDocsToCache)

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

Constructor	Description
MultiLeafCollector(java.util.List<LeafCollector> collectors, boolean cacheScores, boolean skipNonCompetitive)

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

Classes in org.apache.lucene.search.grouping that implement LeafCollector

Modifier and Type	Class	Description
class	AllGroupHeadsCollector<T>	This collector specializes in collecting the most relevant document (group head) for each group that matches the query.
private static class	AllGroupHeadsCollector.ScoringGroupHeadsCollector<T>	Specialized implementation for sorting by score
private static class	AllGroupHeadsCollector.SortingGroupHeadsCollector<T>	General implementation using a FieldComparator to select the group head
class	AllGroupsCollector<T>	A collector that collects all groups that match the query.
class	BlockGroupingCollector	BlockGroupingCollector performs grouping with a single pass collector, as long as you are grouping by a doc block field, ie all documents sharing a given group value were indexed as a doc block using the atomic IndexWriter.addDocuments() or IndexWriter.updateDocuments() API.
class	DistinctValuesCollector<T,R>	A second pass grouping collector that keeps track of distinct values for a specified field for the top N group.
private static class	DistinctValuesCollector.ValuesCollector<R>
class	FirstPassGroupingCollector<T>	FirstPassGroupingCollector is the first of two passes necessary to collect grouped hits.
class	GroupFacetCollector	Base class for computing grouped facets.
class	SecondPassGroupingCollector<T>	SecondPassGroupingCollector runs over an already collected set of groups, further applying a GroupReducer to each group
class	TermGroupFacetCollector	An implementation of GroupFacetCollector that computes grouped facets based on the indexed terms from DocValues.
(package private) static class	TermGroupFacetCollector.MV
(package private) static class	TermGroupFacetCollector.SV
class	TopGroupsCollector<T>	A second-pass collector that collects the TopDocs for each group, and returns them as a TopGroups object
private static class	TopGroupsCollector.MaxScoreCollector

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

Modifier and Type	Field	Description
(package private) LeafCollector	GroupReducer.GroupCollector.leafCollector

Uses of LeafCollector in org.apache.lucene.search.join

Classes in org.apache.lucene.search.join that implement LeafCollector

Modifier and Type	Class	Description
(package private) class	DocValuesTermsCollector<DV>
(package private) class	GlobalOrdinalsCollector.OrdinalMapCollector
(package private) class	GlobalOrdinalsCollector.SegmentOrdinalCollector
(package private) class	GlobalOrdinalsWithScoreCollector.OrdinalMapCollector
(package private) class	GlobalOrdinalsWithScoreCollector.SegmentOrdinalCollector
(package private) class	TermsCollector<DV>	A collector that collects all terms from a specified field matching the query.
(package private) static class	TermsCollector.MV
(package private) static class	TermsCollector.SV
(package private) class	TermsWithScoreCollector<DV>
(package private) static class	TermsWithScoreCollector.MV
(package private) static class	TermsWithScoreCollector.MV.Avg
(package private) static class	TermsWithScoreCollector.SV
(package private) static class	TermsWithScoreCollector.SV.Avg

Methods in org.apache.lucene.search.join that return LeafCollector

Modifier and Type	Method	Description
LeafCollector	GlobalOrdinalsCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	GlobalOrdinalsWithScoreCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	GlobalOrdinalsWithScoreCollector.NoScore.getLeafCollector(LeafReaderContext context)

Uses of LeafCollector in org.apache.lucene.search.suggest.document

Classes in org.apache.lucene.search.suggest.document that implement LeafCollector

Modifier and Type	Class	Description
class	TopSuggestDocsCollector	Collector that collects completion and score, along with document id

Methods in org.apache.lucene.search.suggest.document with parameters of type LeafCollector

Modifier and Type	Method	Description
int	CompletionScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)