All Classes

Class	Description
AssociationAggregationFunction	Specify aggregation logic used in TaxonomyFacetIntAssociations and TaxonomyFacetFloatAssociations.
AssociationFacetField	Add an instance of this to your Document to add a facet label associated with an arbitrary byte[].
BackCompatSortedNumericDocValues	Deprecated. Only here for back-compat support.
CachedOrdinalsReader	Deprecated. Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
CachedOrdinalsReader.CachedOrds	Holds the cached ordinals in two parallel int[] arrays.
ConcurrentSortedSetDocValuesFacetCounts	Like SortedSetDocValuesFacetCounts, but aggregates counts concurrently across segments.
DefaultSortedSetDocValuesReaderState	Default implementation of SortedSetDocValuesFacetCounts.
DimRange	Defines a single range in a FacetSet dimension.
DirectoryTaxonomyReader	A TaxonomyReader which retrieves stored taxonomy information from a Directory.
DirectoryTaxonomyWriter	TaxonomyWriter which uses a Directory to store the taxonomy information on disk, and keeps an additional in-memory cache of some or all categories.
DirectoryTaxonomyWriter.DiskOrdinalMap	DirectoryTaxonomyWriter.OrdinalMap maintained on file system
DirectoryTaxonomyWriter.MemoryOrdinalMap	DirectoryTaxonomyWriter.OrdinalMap maintained in memory
DirectoryTaxonomyWriter.OrdinalMap	Mapping from old ordinal to new ordinals, used when merging indexes with separate taxonomies.
DocValuesOrdinalsReader	Deprecated. Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
DoubleFacetSet	A FacetSet which encodes double dimension values.
DoubleRange	Represents a range over double values.
DoubleRange	Represents a double range for RangeOnRange faceting
DoubleRangeFacetCounts	Facets implementation that computes counts for dynamic double ranges.
DoubleRangeOnRangeFacetCounts	Represents counts for double range on range faceting.
DrillDownQuery	A Query for drill-down over facet categories.
DrillSideways	Computes drill down and sideways counts for the provided DrillDownQuery.
DrillSideways.ConcurrentDrillSidewaysResult<R>	Result of a concurrent drill sideways search, including the Facets and TopDocs.
DrillSideways.DrillSidewaysResult	Result of a drill sideways search, including the Facets and TopDocs.
ExactFacetSetMatcher	A FacetSetMatcher which considers a set as a match only if all dimension values are equal to the given one.
FacetCountsWithFilterQuery	Base class for facet counts.
FacetField	Add an instance of this to your Document for every facet label.
FacetLabel	Holds a sequence of string components, specifying the hierarchical name of a category.
FacetQuery	A term Query over a FacetField.
FacetResult	Counts or aggregates for a single dimension.
Facets	Common base class for all facets implementations.
FacetsCollector	Collects hits for subsequent faceting.
FacetsCollector.MatchingDocs	Holds the documents that were matched in the LeafReaderContext.
FacetsCollectorManager	A CollectorManager implementation which produces FacetsCollector and produces a merged FacetsCollector.
FacetsConfig	Records per-dimension configuration.
FacetsConfig.DimConfig	Holds the configuration for one dimension
FacetsConfig.DrillDownTermsIndexing	Drill down terms indexing option to control whether dimension and sub-path terms should be indexed.
FacetSet	Holds a set of facet dimension values.
FacetSetDecoder	A functional interface for decoding facet set values into comparable `long` ones.
FacetSetMatcher	Matches the encoded FacetSet that was indexed in FacetSetsField.
FacetSetsField	A BinaryDocValuesField which encodes a list of facet sets.
FacetUtils	Utility class with a single method for getting a DocIdSetIterator that skips deleted docs
FastTaxonomyFacetCounts	Computes facets counts, assuming the default encoding into DocValues was used.
FloatAssociationFacetField	Add an instance of this to your Document to add a facet label associated with a float.
FloatFacetSet	A FacetSet which encodes float dimension values.
FloatTaxonomyFacets	Deprecated. Visibility of this class will be reduced to pkg-private in a future version.
IntAssociationFacetField	Add an instance of this to your Document to add a facet label associated with an int.
IntFacetSet	A FacetSet which encodes integer dimension values.
IntTaxonomyFacets	Deprecated. Visibility of this class will be reduced to pkg-private in a future version.
LabelAndValue	Single label and its value, usually contained in a FacetResult.
LabelToOrdinal	Abstract class for storing Label->Ordinal mappings in a taxonomy.
LongFacetSet	A FacetSet which encodes long dimension values.
LongRange	Represents a range over long values.
LongRange	Represents a long range for RangeOnRange faceting
LongRangeFacetCounts	Facets implementation that computes counts for dynamic long ranges.
LongRangeOnRangeFacetCounts	Represents counts for long range on range faceting.
LongValueFacetCounts	Facets implementation that computes counts for all unique long values, more efficiently counting small values (0-1023) using an int array, and switching to a HashMap for values above 1023.
LRUHashMap<K,V>	LRUHashMap is an extension of Java's HashMap, which has a bounded size(); When it reaches that size, each time a new element is added, the least recently used (LRU) entry is removed.
LruTaxonomyWriterCache	LRU TaxonomyWriterCache - good choice for huge taxonomies.
LruTaxonomyWriterCache.LRUType	Determines cache type.
MatchingFacetSetsCounts	Returns the counts for each given FacetSet
MultiDoubleValues	Per-segment, per-document double values, which can be calculated at search-time.
MultiDoubleValuesSource	Base class for producing MultiDoubleValues.
MultiFacetQuery	A multi-terms Query over a FacetField.
MultiFacets	Maps specified dims to provided Facets impls; else, uses the default Facets impl.
MultiLongValues	Per-segment, per-document long values, which can be calculated at search-time.
MultiLongValuesSource	Base class for producing MultiLongValues.
NameHashIntCacheLRU	An LRU cache of mapping from name to int.
OrdinalMappingLeafReader	A FilterLeafReader for updating facets ordinal references, based on an ordinal map.
OrdinalsReader	Deprecated. Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
OrdinalsReader.OrdinalsSegmentReader	Returns ordinals for documents in one segment.
ParallelTaxonomyArrays	Returns 3 arrays for traversing the taxonomy: parents: parents[i] denotes the parent of category ordinal i.
ParallelTaxonomyArrays.IntArray	Abstraction that looks like an int[], but read-only.
PrintTaxonomyStats	Prints how many ords are under each dimension.
RandomSamplingFacetsCollector	Collects hits for subsequent faceting, using sampling if needed.
Range	Base class for a single labeled range.
Range	Base class for a single labeled range.
RangeFacetSetMatcher	A FacetSetMatcher which considers a set as a match if all dimensions fall within the given corresponding range.
ReindexingEnrichedDirectoryTaxonomyWriter	Use this TaxonomyWriter to append arbitrary fields to the ordinal documents in the taxonomy.
SearcherTaxonomyManager	Manages near-real-time reopen of both an IndexSearcher and a TaxonomyReader.
SearcherTaxonomyManager.SearcherAndTaxonomy	Holds a matched pair of IndexSearcher and TaxonomyReader
SortedSetDocValuesFacetCounts	Compute facets counts from previously indexed SortedSetDocValuesFacetField, without require a separate taxonomy index.
SortedSetDocValuesFacetField	Add an instance of this to your Document for every facet label to be indexed via SortedSetDocValues.
SortedSetDocValuesReaderState	Wraps a IndexReader and resolves ords using existing SortedSetDocValues APIs without a separate taxonomy index.
SortedSetDocValuesReaderState.DimTree	Holds children and sibling information for a single dimension.
SortedSetDocValuesReaderState.OrdRange	Holds start/end range of ords, which maps to one dimension.
StringDocValuesReaderState	Stores an OrdinalMap created for a specific IndexReader (reader) + field.
StringValueFacetCounts	Compute facet counts from a previously indexed SortedSetDocValues or SortedDocValues field.
TaxonomyFacetCounts	Deprecated. Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9.
TaxonomyFacetFloatAssociations	Aggregates float values associated with facet fields.
TaxonomyFacetIntAssociations	Aggregates int values previously indexed with IntAssociationFacetField, assuming the default encoding.
TaxonomyFacetLabels	Utility class to easily retrieve previously indexed facet labels, allowing you to skip also adding stored fields for these values, reducing your index size.
TaxonomyFacets	Deprecated. Visibility of this class will be reduced to pkg-private in a future version.
TaxonomyFacetSumFloatAssociations	Deprecated. This class is being deprecated in favor of TaxonomyFacetFloatAssociations, which provides more flexible aggregation functionality beyond just "sum"
TaxonomyFacetSumIntAssociations	Deprecated. This class is being deprecated in favor of TaxonomyFacetIntAssociations, which provides more flexible aggregation functionality beyond just "sum"
TaxonomyFacetSumValueSource	Deprecated. This class is being deprecated in favor of TaxonomyFacetFloatAssociations, which provides more flexible aggregation functionality beyond just "sum"
TaxonomyMergeUtils	Utility methods for merging index and taxonomy directories.
TaxonomyReader	TaxonomyReader is the read-only interface with which the faceted-search library uses the taxonomy during search time.
TaxonomyReader.ChildrenIterator	An iterator over a category's children.
TaxonomyWriter	TaxonomyWriter is the interface which the faceted-search library uses to dynamically build the taxonomy at indexing time.
TaxonomyWriterCache	TaxonomyWriterCache is a relatively simple interface for a cache of category->ordinal mappings, used in TaxonomyWriter implementations (such as DirectoryTaxonomyWriter).
TopOrdAndFloatQueue	Keeps highest results, first by largest float value, then tie break by smallest ord.
TopOrdAndFloatQueue.OrdAndValue	Holds a single entry.
TopOrdAndIntQueue	Keeps highest results, first by largest int value, then tie break by smallest ord.
TopOrdAndIntQueue.OrdAndValue	Holds a single entry.
UTF8TaxonomyWriterCache	Deprecated. Use LruTaxonomyWriterCache instead.