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

Packages that use LeafCollector

Package	Description
org.apache.lucene.facet	Faceted search.
org.apache.lucene.misc.search	Misc search implementations.
org.apache.lucene.monitor	Monitoring framework
org.apache.lucene.sandbox.facet	Sandbox faceting - Collectors that compute facets.
org.apache.lucene.sandbox.search	This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial queries.
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.facet

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

Modifier and Type	Class	Description
class	FacetsCollector	Collects hits for subsequent faceting.
private static class	FacetsCollectorManager.ReducedFacetsCollector
class	RandomSamplingFacetsCollector	Collects hits for subsequent faceting, using sampling if needed.
private static class	RandomSamplingFacetsCollector.ReducedRandomSamplingFacetsCollector

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

Modifier and Type	Field	Description
(package private) final LeafCollector	DrillSidewaysScorer.DocsAndCost.sidewaysLeafCollector

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

Modifier and Type	Method	Description
private void	DrillSidewaysScorer.collectHit(LeafCollector collector, List<DrillSidewaysScorer.DocsAndCost> dims)
private void	DrillSidewaysScorer.collectHit(LeafCollector collector, DrillSidewaysScorer.DocsAndCost dim)
private void	DrillSidewaysScorer.collectHit(LeafCollector collector, DrillSidewaysScorer.DocsAndCost[] dims)
private void	DrillSidewaysScorer.collectNearMiss(LeafCollector sidewaysCollector)
private void	DrillSidewaysScorer.doDrillDownAdvanceScoring(Bits acceptDocs, LeafCollector collector, DrillSidewaysScorer.DocsAndCost[] dims)	Used when drill downs are highly constraining vs baseQuery.
private void	DrillSidewaysScorer.doQueryFirstScoring(Bits acceptDocs, LeafCollector collector, DrillSidewaysScorer.DocsAndCost[] dims)	Used when base query is highly constraining vs the drilldowns, or when the docs must be scored at once (i.e., like BooleanScorer2, not BooleanScorer).
private void	DrillSidewaysScorer.doQueryFirstScoringSingleDim(Bits acceptDocs, LeafCollector collector, DrillSidewaysScorer.DocsAndCost dim)	Query-first scoring specialization when there is only one drill-sideways dimension, which is likely a common scenario.
private void	DrillSidewaysScorer.doUnionScoring(Bits acceptDocs, LeafCollector collector, DrillSidewaysScorer.DocsAndCost[] dims)
int	DrillSidewaysScorer.score(LeafCollector collector, Bits acceptDocs, int min, int maxDoc)
private void	DrillSidewaysScorer.setScorer(LeafCollector mainCollector, Scorable scorer)

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

Modifier	Constructor	Description
(package private)	DocsAndCost(Scorer scorer, LeafCollector sidewaysLeafCollector)

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

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

Modifier and Type	Class	Description
class	MemoryAccountingBitsetCollector	Bitset collector which supports memory tracking

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

Modifier and Type	Method	Description
LeafCollector	DiversifiedTopDocsCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	DocValuesStatsCollector.getLeafCollector(LeafReaderContext context)

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 final class	ReadonlyQueryIndex.LazyMonitorQueryCollector	A Collector that decodes the stored query for each document hit reparsing them everytime.
(package private) static final class	WritableQueryIndex.MonitorQueryCollector	A Collector that decodes the stored query for each document hit.

Uses of LeafCollector in org.apache.lucene.sandbox.facet

Classes in org.apache.lucene.sandbox.facet that implement LeafCollector

Modifier and Type	Class	Description
(package private) final class	FacetFieldLeafCollector	LeafCollector that for each facet ordinal from LeafFacetCutter records data with LeafFacetRecorder.

Methods in org.apache.lucene.sandbox.facet that return LeafCollector

Modifier and Type	Method	Description
LeafCollector	FacetFieldCollector.getLeafCollector(LeafReaderContext context)

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

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

Modifier and Type	Method	Description
LeafCollector	LargeNumHitsTopDocsCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	ProfilerCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	ProfilerCollectorWrapper.getLeafCollector(LeafReaderContext context)

Uses of LeafCollector in org.apache.lucene.search

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

Modifier and Type	Class	Description
private class	CachingCollector.NoScoreCachingLeafCollector
private class	CachingCollector.ScoreCachingLeafCollector
class	FilterLeafCollector	LeafCollector delegator.
private static class	MultiCollector.MultiLeafCollector
private static class	ScoreCachingWrappingScorer.ScoreCachingWrappingLeafCollector
class	SimpleCollector	Base Collector implementation that is used to collect all contexts.
private class	TopFieldCollector.TopFieldLeafCollector

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

Modifier and Type	Field	Description
private final LeafCollector[]	MultiCollector.MultiLeafCollector.collectors
protected final LeafCollector	FilterLeafCollector.in

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

Modifier and Type	Method	Description
protected final LeafCollector	TotalHitCountCollector.createLeafCollector()
LeafCollector	CachingCollector.NoScoreCachingCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	Collector.getLeafCollector(LeafReaderContext context)	Create a new collector to collect the given context.
LeafCollector	FilterCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	MultiCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	PositiveScoresOnlyCollector.getLeafCollector(LeafReaderContext context)
final LeafCollector	SimpleCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopFieldCollector.PagingFieldCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopFieldCollector.SimpleFieldCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TopScoreDocCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TotalHitCountCollector.getLeafCollector(LeafReaderContext context)
LeafCollector	TotalHitCountCollectorManager.LeafPartitionAwareTotalHitCountCollector.getLeafCollector(LeafReaderContext context)
static LeafCollector	ScoreCachingWrappingScorer.wrap(LeafCollector collector)	Wrap the provided LeafCollector so that scores are computed lazily and cached if accessed multiple times.
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)
int	BlockMaxConjunctionBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	BooleanScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
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	ConjunctionBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	ConstantScoreQuery.ConstantBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	DisjunctionMaxBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	MaxScoreBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	ReqExclBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
int	TimeLimitingBulkScorer.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.search.DocIdSetIterator, org.apache.lucene.util.Bits, int, int) to help out hotspot.
private void	MaxScoreBulkScorer.scoreInnerWindow(LeafCollector collector, Bits acceptDocs, int max, DisiWrapper filter)
private void	MaxScoreBulkScorer.scoreInnerWindowAsConjunction(LeafCollector collector, Bits acceptDocs, int max)
private void	MaxScoreBulkScorer.scoreInnerWindowMultipleEssentialClauses(LeafCollector collector, Bits acceptDocs, int max)
private void	MaxScoreBulkScorer.scoreInnerWindowSingleEssentialClause(LeafCollector collector, Bits acceptDocs, int upTo)
private void	MaxScoreBulkScorer.scoreInnerWindowWithFilter(LeafCollector collector, Bits acceptDocs, int max, DisiWrapper filter)
private void	MaxScoreBulkScorer.scoreNonEssentialClauses(LeafCollector collector, int doc, double essentialScore, int numNonEssentialClauses)
(package private) static int	Weight.DefaultBulkScorer.scoreRange(LeafCollector collector, DocIdSetIterator iterator, TwoPhaseIterator twoPhase, DocIdSetIterator competitiveIterator, Bits acceptDocs, int min, int max)	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 void	BlockMaxConjunctionBulkScorer.scoreWindow(LeafCollector collector, Bits acceptDocs, int min, int max, float maxWindowScore)
private DisiWrapper	BooleanScorer.scoreWindow(DisiWrapper top, LeafCollector collector, Bits acceptDocs, int min, int max)
private void	BooleanScorer.scoreWindowIntoBitSetAndReplay(LeafCollector collector, Bits acceptDocs, int base, int min, int max, DisiWrapper[] scorers, int numScorers)
private void	BooleanScorer.scoreWindowMultipleScorers(LeafCollector collector, Bits acceptDocs, int windowBase, int windowMin, int windowMax, int maxFreq)
private void	BooleanScorer.scoreWindowSingleScorer(DisiWrapper w, 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)
static LeafCollector	ScoreCachingWrappingScorer.wrap(LeafCollector collector)	Wrap the provided LeafCollector so that scores are computed lazily and cached if accessed multiple times.
private LeafCollector	ConstantScoreQuery.ConstantBulkScorer.wrapCollector(LeafCollector collector)

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

Modifier	Constructor	Description
	FilterLeafCollector(LeafCollector in)	Sole constructor.
(package private)	NoScoreCachingLeafCollector(LeafCollector in, int maxDocsToCache, CachingCollector.NoScoreCachingCollector collector)
(package private)	ScoreCachingLeafCollector(LeafCollector in, int maxDocsToCache, CachingCollector.ScoreCachingCollector collector)
(package private)	ScoreCachingWrappingLeafCollector(LeafCollector in)

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

Modifier	Constructor	Description
private	MultiLeafCollector(List<LeafCollector> collectors, 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) final class	GlobalOrdinalsCollector.OrdinalMapCollector
(package private) final class	GlobalOrdinalsCollector.SegmentOrdinalCollector
(package private) final class	GlobalOrdinalsWithScoreCollector.OrdinalMapCollector
(package private) final 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
private static class	ToParentBlockJoinQuery.BatchAwareLeafCollector

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)

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

Modifier and Type	Method	Description
int	ToParentBlockJoinQuery.BlockJoinBulkScorer.score(LeafCollector collector, Bits acceptDocs, int min, int max)
private ToParentBlockJoinQuery.BatchAwareLeafCollector	ToParentBlockJoinQuery.BlockJoinBulkScorer.wrapCollector(LeafCollector collector)

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

Modifier	Constructor	Description
	BatchAwareLeafCollector(LeafCollector in)

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)