A B C D E F G H I L M N O P R S T U V W
All Classes All Packages

## A

accept(double) - Method in class org.apache.lucene.facet.range.DoubleRange
  True if this range accepts the provided value.
accept(long) - Method in class org.apache.lucene.facet.range.LongRange
  True if this range accepts the provided value.
add(String, String...) - Method in class org.apache.lucene.facet.DrillDownQuery
  Adds one dimension of drill downs; if you pass the same dimension more than once it is OR'd with the previous constraints on that dimension, and all dimensions are AND'd against each other and the base query.
add(String, Query) - Method in class org.apache.lucene.facet.DrillDownQuery
  Expert: add a custom drill-down subQuery.
addCategory(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
addCategory(FacetLabel) - Method in interface org.apache.lucene.facet.taxonomy.TaxonomyWriter
  addCategory() adds a category with a given path name to the taxonomy, and returns its ordinal.
addDone() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.DiskOrdinalMap
addDone() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap
addDone() - Method in interface org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap
  Call addDone() to say that all addMapping() have been done.
addLabel(FacetLabel, int) - Method in class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  Adds a new label if it is not yet in the table.
addMapping(int, int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.DiskOrdinalMap
addMapping(int, int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap
addMapping(int, int) - Method in interface org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap
  Record a mapping.
addTaxonomy(Directory, DirectoryTaxonomyWriter.OrdinalMap) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Takes the categories from the given taxonomy directory, and adds the missing ones to this taxonomy.
advance(int) - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
advanceExact(int) - Method in class org.apache.lucene.facet.MultiDoubleValues
  Advance to exactly `doc` and return whether `doc` has a value.
advanceExact(int) - Method in class org.apache.lucene.facet.MultiLongValues
  Advance to exactly `target` and return whether `target` has a value.
advanceExact(int) - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
aggregate(float, float) - Method in class org.apache.lucene.facet.taxonomy.AssociationAggregationFunction
  Implement aggregation logic for floats
aggregate(int, int) - Method in class org.apache.lucene.facet.taxonomy.AssociationAggregationFunction
  Implement aggregation logic for integers
aggregationFunction - Variable in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
  Aggregation function used for combining values.
aggregationFunction - Variable in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Aggregation function used for combining values.
ALL - org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Index dimension, sub-path and full-path drill down terms.
ALL_PATHS_NO_DIM - org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Index sub-path and full-path drill down terms.
amortizeFacetCounts(FacetResult, FacetsConfig, IndexSearcher) - Method in class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Note: if you use a counting `Facets` implementation, you can amortize the sampled counts by calling this method.
assoc - Variable in class org.apache.lucene.facet.taxonomy.AssociationFacetField
  Associated value.
AssociationAggregationFunction - Class in org.apache.lucene.facet.taxonomy
  Specify aggregation logic used in `TaxonomyFacetIntAssociations` and `TaxonomyFacetFloatAssociations`.
AssociationAggregationFunction() - Constructor for class org.apache.lucene.facet.taxonomy.AssociationAggregationFunction
  Sole constructor.
AssociationFacetField - Class in org.apache.lucene.facet.taxonomy
  Add an instance of this to your `Document` to add a facet label associated with an arbitrary byte[].
AssociationFacetField(BytesRef, String, String...) - Constructor for class org.apache.lucene.facet.taxonomy.AssociationFacetField
  Creates this from `dim` and `path` and an association

## B

BackCompatSortedNumericDocValues - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Only here for back-compat support. Should be removed with Lucene 10.
bits - Variable in class org.apache.lucene.facet.FacetsCollector.MatchingDocs
  Which documents were seen.
build(Document) - Method in class org.apache.lucene.facet.FacetsConfig
  Translates any added `FacetField`s into normal fields for indexing; only use this version if you did not add any taxonomy-based fields ( `FacetField` or `AssociationFacetField`).
build(TaxonomyWriter, Document) - Method in class org.apache.lucene.facet.FacetsConfig
  Translates any added `FacetField`s into normal fields for indexing.
buildFacetsResult(FacetsCollector, FacetsCollector[], String[]) - Method in class org.apache.lucene.facet.DrillSideways
  Subclass can override to customize per-dim Facets impl.
bytesRefToFloat(BytesRef) - Static method in class org.apache.lucene.facet.taxonomy.FloatAssociationFacetField
  Decodes a previously encoded `float`.
bytesRefToInt(BytesRef) - Static method in class org.apache.lucene.facet.taxonomy.IntAssociationFacetField
  Decodes a previously encoded `int`.

## C

CachedOrdinalsReader - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
CachedOrdinalsReader(OrdinalsReader) - Constructor for class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader
  Deprecated.
  Sole constructor.
CachedOrdinalsReader.CachedOrds - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Holds the cached ordinals in two parallel `int[]` arrays.
CachedOrds(OrdinalsReader.OrdinalsSegmentReader, int) - Constructor for class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader.CachedOrds
  Deprecated.
  Creates a new `CachedOrdinalsReader.CachedOrds` from the `BinaryDocValues`.
childCount - Variable in class org.apache.lucene.facet.FacetResult
  How many child labels were encountered.
children() - Method in class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays
  Returns the children array, where `children[i]` denotes a child of category ordinal `i`.
childrenLoaded() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  Returns true if the (costly, and lazily initialized) children int[] was initialized.
clear() - Method in class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
clear() - Method in interface org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
  Clears the content of the cache.
clear() - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
clone() - Method in class org.apache.lucene.facet.DrillDownQuery
clone() - Method in class org.apache.lucene.facet.taxonomy.LRUHashMap
close() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Frees used resources as well as closes the underlying `IndexWriter`, which commits whatever changes made to it to the underlying `Directory`.
close() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
close() - Method in class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
close() - Method in interface org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
  Let go of whatever resources the cache is holding.
close() - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
closeResources() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  A hook for extending classes to close additional resources that were used.
collect(int) - Method in class org.apache.lucene.facet.FacetsCollector
collectorResult - Variable in class org.apache.lucene.facet.DrillSideways.ConcurrentDrillSidewaysResult
  The merged search results
commit() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
compareTo(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.FacetLabel
  Compares this path with another `FacetLabel` for lexicographic order.
components - Variable in class org.apache.lucene.facet.taxonomy.FacetLabel
  The components of this `FacetLabel`.
ConcurrentSortedSetDocValuesFacetCounts - Class in org.apache.lucene.facet.sortedset
  Like `SortedSetDocValuesFacetCounts`, but aggregates counts concurrently across segments.
ConcurrentSortedSetDocValuesFacetCounts(SortedSetDocValuesReaderState, ExecutorService) - Constructor for class org.apache.lucene.facet.sortedset.ConcurrentSortedSetDocValuesFacetCounts
  Returns all facet counts, same result as searching on `MatchAllDocsQuery` but faster.
ConcurrentSortedSetDocValuesFacetCounts(SortedSetDocValuesReaderState, FacetsCollector, ExecutorService) - Constructor for class org.apache.lucene.facet.sortedset.ConcurrentSortedSetDocValuesFacetCounts
  Counts all facet dimensions across the provided hits.
config - Variable in class org.apache.lucene.facet.DrillSideways
  `FacetsConfig` passed to constructor.
config - Variable in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  `FacetsConfig` provided to the constructor.
context - Variable in class org.apache.lucene.facet.FacetsCollector.MatchingDocs
  Context for this segment.
cost() - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
counter - Variable in class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  How many ordinals we've seen.
create(String, FacetSet...) - Static method in class org.apache.lucene.facet.facetset.FacetSetsField
  Create a new FacetSets field.
createDrillDownFacetsCollector() - Method in class org.apache.lucene.facet.DrillSideways
  Deprecated.
  This is only used by the deprecated `DrillSideways.search(DrillDownQuery, Collector)` entry-point. Please use `DrillSideways.search(DrillDownQuery, CollectorManager)` instead, and leverage `DrillSideways.createDrillDownFacetsCollectorManager()` as necessary
createDrillDownFacetsCollectorManager() - Method in class org.apache.lucene.facet.DrillSideways
  Subclass can override to customize drill down facets collector.
createDrillSidewaysFacetsCollectorManager() - Method in class org.apache.lucene.facet.DrillSideways
  Subclass can override to customize drill sideways facets collector.
createIndexWriterConfig(IndexWriterConfig.OpenMode) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Create the `IndexWriterConfig` that would be used for opening the internal index writer.
createIterator(FacetsCollector.MatchingDocs, DocIdSetIterator...) - Method in class org.apache.lucene.facet.FacetCountsWithFilterQuery
  Create a `DocIdSetIterator` from the provided `hits` that relies on `fastMatchQuery` if available for first-pass filtering.
createManager(int, long) - Static method in class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Creates a `CollectorManager` for concurrent random sampling through `RandomSamplingFacetsCollector`

## D

decode(BytesRef, int, long[]) - Method in interface org.apache.lucene.facet.facetset.FacetSetDecoder
  Decodes the facet set dimension values into the given destination buffer and returns the number of bytes read.
decode(BytesRef, IntsRef) - Method in class org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader
  Deprecated.
  Subclass and override if you change the encoding.
decodeInts(BytesRef, int, long[]) - Static method in interface org.apache.lucene.facet.facetset.FacetSetDecoder
  An implementation of `FacetSetDecoder.decode(BytesRef, int, long[])` for int/float dimension values which were encoded with `IntFacetSet` and `FloatFacetSet` respectively.
decodeLongs(BytesRef, int, long[]) - Static method in interface org.apache.lucene.facet.facetset.FacetSetDecoder
  An implementation of `FacetSetDecoder.decode(BytesRef, int, long[])` for long/double dimension values which were encoded with `LongFacetSet` and `DoubleFacetSet` respectively.
decRef() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Expert: decreases the refCount of this TaxonomyReader instance.
decRef(SearcherTaxonomyManager.SearcherAndTaxonomy) - Method in class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
dedupAndEncode(IntsRef) - Method in class org.apache.lucene.facet.FacetsConfig
  Deprecated.
  Starting in Lucene 9, we moved to a more straight-forward numeric doc values encoding and no longer support custom binary encodings.
DEFAULT_DIM_CONFIG - Static variable in class org.apache.lucene.facet.FacetsConfig
  Default per-dimension configuration.
DEFAULT_INDEX_FIELD_NAME - Static variable in class org.apache.lucene.facet.FacetsConfig
  Which Lucene field holds the drill-downs and ords (as doc values).
DefaultSortedSetDocValuesReaderState - Class in org.apache.lucene.facet.sortedset
  Default implementation of `SortedSetDocValuesFacetCounts`.
DefaultSortedSetDocValuesReaderState(IndexReader) - Constructor for class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Deprecated.
  Users should explicitly provide facet configuration during instantiation. See `DefaultSortedSetDocValuesReaderState(IndexReader, FacetsConfig)`. To maintain all existing behavior, a "default" facet configuration can be provided with `FacetsConfig()`.
DefaultSortedSetDocValuesReaderState(IndexReader, String) - Constructor for class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Deprecated.
  Users should explicitly provide facet configuration during instantiation. See `DefaultSortedSetDocValuesReaderState(IndexReader, String, FacetsConfig)`. To maintain all existing behavior, a "default" facet configuration can be provided with `FacetsConfig()`.
DefaultSortedSetDocValuesReaderState(IndexReader, String, FacetsConfig) - Constructor for class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Creates this, pulling doc values from the specified field.
DefaultSortedSetDocValuesReaderState(IndexReader, FacetsConfig) - Constructor for class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Creates this with a config, pulling doc values from the default `FacetsConfig.DEFAULT_INDEX_FIELD_NAME`.
defaultTaxonomyWriterCache() - Static method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Defines the default `TaxonomyWriterCache` to use in constructors which do not specify one.
DELIM_CHAR - Static variable in class org.apache.lucene.facet.FacetsConfig
  Character used to join the category path components together into a single drill down term for indexing.
dim - Variable in class org.apache.lucene.facet.FacetField
  Dimension for this field.
dim - Variable in class org.apache.lucene.facet.FacetResult
  Dimension that was requested.
dim - Variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
  Dimension.
dim - Variable in class org.apache.lucene.facet.taxonomy.AssociationFacetField
  Dimension for this field.
DimConfig() - Constructor for class org.apache.lucene.facet.FacetsConfig.DimConfig
  Default constructor.
DIMENSION_AND_FULL_PATH - org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Index dimension and full-path drill down terms.
DimRange - Class in org.apache.lucene.facet.facetset
  Defines a single range in a `FacetSet` dimension.
DimRange(long, long) - Constructor for class org.apache.lucene.facet.facetset.DimRange
  Creates a LongRange.
dims - Variable in class org.apache.lucene.facet.facetset.FacetSet
  The number of dimension values in this set.
dims - Variable in class org.apache.lucene.facet.facetset.FacetSetMatcher
  The number of dimensions that are matched by this matcher.
dims - Variable in class org.apache.lucene.facet.rangeonrange.Range
  Number of dims per range
dimStartOrd - Variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.DimTree
  The first ord of the dimension
DimTree(int, List<Integer>, List<Boolean>) - Constructor for class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.DimTree
  Sibling and children must be of same length
DirectoryTaxonomyReader - Class in org.apache.lucene.facet.taxonomy.directory
  A `TaxonomyReader` which retrieves stored taxonomy information from a `Directory`.
DirectoryTaxonomyReader(DirectoryTaxonomyWriter) - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Opens a `DirectoryTaxonomyReader` over the given `DirectoryTaxonomyWriter` (for NRT).
DirectoryTaxonomyReader(Directory) - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Open for reading a taxonomy stored in a given `Directory`.
DirectoryTaxonomyWriter - Class in org.apache.lucene.facet.taxonomy.directory
  `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(Directory) - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Create this with `OpenMode.CREATE_OR_APPEND`.
DirectoryTaxonomyWriter(Directory, IndexWriterConfig.OpenMode) - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Creates a new instance with a default cache as defined by `DirectoryTaxonomyWriter.defaultTaxonomyWriterCache()`.
DirectoryTaxonomyWriter(Directory, IndexWriterConfig.OpenMode, TaxonomyWriterCache) - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Construct a Taxonomy writer.
DirectoryTaxonomyWriter.DiskOrdinalMap - Class in org.apache.lucene.facet.taxonomy.directory
  `DirectoryTaxonomyWriter.OrdinalMap` maintained on file system
DirectoryTaxonomyWriter.MemoryOrdinalMap - Class in org.apache.lucene.facet.taxonomy.directory
  `DirectoryTaxonomyWriter.OrdinalMap` maintained in memory
DirectoryTaxonomyWriter.OrdinalMap - Interface in org.apache.lucene.facet.taxonomy.directory
  Mapping from old ordinal to new ordinals, used when merging indexes with separate taxonomies.
DiskOrdinalMap(Path) - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.DiskOrdinalMap
  Sole constructor.
docID() - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
doClose() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
doClose() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  performs the actual task of closing the resources that are used by the taxonomy reader.
docValueCount() - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
DocValuesOrdinalsReader - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
DocValuesOrdinalsReader() - Constructor for class org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader
  Deprecated.
  Default constructor.
DocValuesOrdinalsReader(String) - Constructor for class org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader
  Deprecated.
  Create this, with the specified indexed field name.
doOpenIfChanged() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Implements the opening of a new `DirectoryTaxonomyReader` instance if the taxonomy has changed.
doOpenIfChanged() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Implements the actual opening of a new `TaxonomyReader` instance if the taxonomy has changed.
doSetNextReader(LeafReaderContext) - Method in class org.apache.lucene.facet.FacetsCollector
DoubleFacetSet - Class in org.apache.lucene.facet.facetset
  A `FacetSet` which encodes double dimension values.
DoubleFacetSet(double...) - Constructor for class org.apache.lucene.facet.facetset.DoubleFacetSet
  Constructs a new instance of a facet set which stores `double` dimension values.
DoubleRange - Class in org.apache.lucene.facet.range
  Represents a range over double values.
DoubleRange - Class in org.apache.lucene.facet.rangeonrange
  Represents a double range for RangeOnRange faceting
DoubleRange(String, double[], double[]) - Constructor for class org.apache.lucene.facet.rangeonrange.DoubleRange
  Represents a double range for RangeOnRange faceting
DoubleRange(String, double, boolean, double, boolean) - Constructor for class org.apache.lucene.facet.range.DoubleRange
  Create a DoubleRange.
DoubleRange(String, double, boolean, double, boolean) - Constructor for class org.apache.lucene.facet.rangeonrange.DoubleRange
  Represents a double range for RangeOnRange faceting
DoubleRangeFacetCounts - Class in org.apache.lucene.facet.range
  `Facets` implementation that computes counts for dynamic double ranges.
DoubleRangeFacetCounts(String, FacetsCollector, DoubleRange...) - Constructor for class org.apache.lucene.facet.range.DoubleRangeFacetCounts
  Create `RangeFacetCounts`, using double value from the specified field.
DoubleRangeFacetCounts(String, MultiDoubleValuesSource, FacetsCollector, DoubleRange...) - Constructor for class org.apache.lucene.facet.range.DoubleRangeFacetCounts
  Create `RangeFacetCounts`, using the provided `MultiDoubleValuesSource` if non-null.
DoubleRangeFacetCounts(String, MultiDoubleValuesSource, FacetsCollector, Query, DoubleRange...) - Constructor for class org.apache.lucene.facet.range.DoubleRangeFacetCounts
  Create `RangeFacetCounts`, using the provided `MultiDoubleValuesSource` if non-null.
DoubleRangeFacetCounts(String, DoubleValuesSource, FacetsCollector, DoubleRange...) - Constructor for class org.apache.lucene.facet.range.DoubleRangeFacetCounts
  Create `RangeFacetCounts`, using the provided `DoubleValuesSource` if non-null.
DoubleRangeFacetCounts(String, DoubleValuesSource, FacetsCollector, Query, DoubleRange...) - Constructor for class org.apache.lucene.facet.range.DoubleRangeFacetCounts
  Create `RangeFacetCounts`, using the provided `DoubleValuesSource` if non-null.
DoubleRangeOnRangeFacetCounts - Class in org.apache.lucene.facet.rangeonrange
  Represents counts for double range on range faceting.
DoubleRangeOnRangeFacetCounts(String, FacetsCollector, RangeFieldQuery.QueryType, DoubleRange...) - Constructor for class org.apache.lucene.facet.rangeonrange.DoubleRangeOnRangeFacetCounts
  Constructor without the fast match query, see other constructor description for more details.
DoubleRangeOnRangeFacetCounts(String, FacetsCollector, RangeFieldQuery.QueryType, Query, DoubleRange...) - Constructor for class org.apache.lucene.facet.rangeonrange.DoubleRangeOnRangeFacetCounts
  Represents counts for double range on range faceting.
drillDownFacetsCollector - Variable in class org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
  FacetsCollector populated based on hits that match the full DrillDownQuery, treating all drill down dimensions as required clauses.
DrillDownQuery - Class in org.apache.lucene.facet
  A `Query` for drill-down over facet categories.
DrillDownQuery(FacetsConfig) - Constructor for class org.apache.lucene.facet.DrillDownQuery
  Creates a new `DrillDownQuery` without a base query, to perform a pure browsing query (equivalent to using `MatchAllDocsQuery` as base).
DrillDownQuery(FacetsConfig, Query) - Constructor for class org.apache.lucene.facet.DrillDownQuery
  Creates a new `DrillDownQuery` over the given base query.
drillDownTermsIndexing - Variable in class org.apache.lucene.facet.FacetsConfig.DimConfig
  Default drill down terms indexing option that index all.
DrillSideways - Class in org.apache.lucene.facet
  Computes drill down and sideways counts for the provided `DrillDownQuery`.
DrillSideways(IndexSearcher, FacetsConfig, SortedSetDocValuesReaderState) - Constructor for class org.apache.lucene.facet.DrillSideways
  Create a new `DrillSideways` instance, assuming the categories were indexed with `SortedSetDocValuesFacetField`.
DrillSideways(IndexSearcher, FacetsConfig, TaxonomyReader) - Constructor for class org.apache.lucene.facet.DrillSideways
  Create a new `DrillSideways` instance.
DrillSideways(IndexSearcher, FacetsConfig, TaxonomyReader, SortedSetDocValuesReaderState) - Constructor for class org.apache.lucene.facet.DrillSideways
  Create a new `DrillSideways` instance, where some dimensions were indexed with `SortedSetDocValuesFacetField` and others were indexed with `FacetField`.
DrillSideways(IndexSearcher, FacetsConfig, TaxonomyReader, SortedSetDocValuesReaderState, ExecutorService) - Constructor for class org.apache.lucene.facet.DrillSideways
  Create a new `DrillSideways` instance, where some dimensions were indexed with `SortedSetDocValuesFacetField` and others were indexed with `FacetField`.
DrillSideways.ConcurrentDrillSidewaysResult<R> - Class in org.apache.lucene.facet
  Result of a concurrent drill sideways search, including the `Facets` and `TopDocs`.
DrillSideways.DrillSidewaysResult - Class in org.apache.lucene.facet
  Result of a drill sideways search, including the `Facets` and `TopDocs`.
drillSidewaysDims - Variable in class org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
  Dimensions that correspond to to the `DrillSideways.DrillSidewaysResult.drillSidewaysFacetsCollector`
drillSidewaysFacetsCollector - Variable in class org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
  FacetsCollectors populated for each drill sideways dimension.
DrillSidewaysResult(Facets, TopDocs, FacetsCollector, FacetsCollector[], String[]) - Constructor for class org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
  Sole constructor.

## E

encode(IntsRef) - Method in class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
  Deprecated.
  Custom binary formats are no longer directly supported for taxonomy faceting starting in Lucene 9
end - Variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.OrdRange
  End of range, inclusive:
enrichOrdinalDocument(Document, FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Child classes can implement this method to modify the document corresponding to a category path before indexing it.
enrichOrdinalDocument(Document, FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.directory.ReindexingEnrichedDirectoryTaxonomyWriter
  Add fields specified by the `ReindexingEnrichedDirectoryTaxonomyWriter.ordinalDataAppender` to the provided `Document`.
ensureOpen() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Verifies that this instance wasn't closed, or throws `AlreadyClosedException` if it is.
ensureOpen() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Throws `AlreadyClosedException` if this IndexReader is closed
equals(Object) - Method in class org.apache.lucene.facet.DrillDownQuery
equals(Object) - Method in class org.apache.lucene.facet.FacetResult
equals(Object) - Method in class org.apache.lucene.facet.LabelAndValue
equals(Object) - Method in class org.apache.lucene.facet.MultiDoubleValuesSource
equals(Object) - Method in class org.apache.lucene.facet.MultiLongValuesSource
equals(Object) - Method in class org.apache.lucene.facet.range.DoubleRange
equals(Object) - Method in class org.apache.lucene.facet.range.LongRange
equals(Object) - Method in class org.apache.lucene.facet.rangeonrange.DoubleRange
equals(Object) - Method in class org.apache.lucene.facet.rangeonrange.LongRange
equals(Object) - Method in class org.apache.lucene.facet.taxonomy.FacetLabel
ExactFacetSetMatcher - Class in org.apache.lucene.facet.facetset
  A `FacetSetMatcher` which considers a set as a match only if all dimension values are equal to the given one.
ExactFacetSetMatcher(String, FacetSet) - Constructor for class org.apache.lucene.facet.facetset.ExactFacetSetMatcher
  Constructs an instance to match the given facet set.

## F

FacetCountsWithFilterQuery - Class in org.apache.lucene.facet
  Base class for facet counts.
FacetCountsWithFilterQuery(Query) - Constructor for class org.apache.lucene.facet.FacetCountsWithFilterQuery
  Create `FacetCounts`
FacetField - Class in org.apache.lucene.facet
  Add an instance of this to your `Document` for every facet label.
FacetField(String, String...) - Constructor for class org.apache.lucene.facet.FacetField
  Creates the this from `dim` and `path`.
FacetLabel - Class in org.apache.lucene.facet.taxonomy
  Holds a sequence of string components, specifying the hierarchical name of a category.
FacetLabel(String...) - Constructor for class org.apache.lucene.facet.taxonomy.FacetLabel
  Construct from the given path components.
FacetLabel(String, String[]) - Constructor for class org.apache.lucene.facet.taxonomy.FacetLabel
  Construct from the dimension plus the given path components.
FacetLabelReader(OrdinalsReader, LeafReaderContext) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels.FacetLabelReader
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
FacetLabelReader(SortedNumericDocValues) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels.FacetLabelReader
  Construct from a specified `SortedNumericDocValues` field; useful for reading the default encoding.
FacetQuery - Class in org.apache.lucene.facet
  A term `Query` over a `FacetField`.
FacetQuery(String, String...) - Constructor for class org.apache.lucene.facet.FacetQuery
  Creates a new `FacetQuery` filtering the query on the given dimension.
FacetQuery(FacetsConfig, String, String...) - Constructor for class org.apache.lucene.facet.FacetQuery
  Creates a new `FacetQuery` filtering the query on the given dimension.
FacetResult - Class in org.apache.lucene.facet
  Counts or aggregates for a single dimension.
FacetResult(String, String[], Number, LabelAndValue[], int) - Constructor for class org.apache.lucene.facet.FacetResult
  Sole constructor.
facets - Variable in class org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
  Combined drill down and sideways results.
Facets - Class in org.apache.lucene.facet
  Common base class for all facets implementations.
Facets() - Constructor for class org.apache.lucene.facet.Facets
  Default constructor.
FacetsCollector - Class in org.apache.lucene.facet
  Collects hits for subsequent faceting.
FacetsCollector() - Constructor for class org.apache.lucene.facet.FacetsCollector
  Default constructor
FacetsCollector(boolean) - Constructor for class org.apache.lucene.facet.FacetsCollector
  Create this; if `keepScores` is true then a float[] is allocated to hold score of all hits.
FacetsCollector.MatchingDocs - Class in org.apache.lucene.facet
  Holds the documents that were matched in the `LeafReaderContext`.
FacetsCollectorManager - Class in org.apache.lucene.facet
  A `CollectorManager` implementation which produces FacetsCollector and produces a merged FacetsCollector.
FacetsCollectorManager() - Constructor for class org.apache.lucene.facet.FacetsCollectorManager
  Sole constructor.
FacetsConfig - Class in org.apache.lucene.facet
  Records per-dimension configuration.
FacetsConfig() - Constructor for class org.apache.lucene.facet.FacetsConfig
  Default constructor.
FacetsConfig.DimConfig - Class in org.apache.lucene.facet
  Holds the configuration for one dimension
FacetsConfig.DrillDownTermsIndexing - Enum in org.apache.lucene.facet
  Drill down terms indexing option to control whether dimension and sub-path terms should be indexed.
FacetSet - Class in org.apache.lucene.facet.facetset
  Holds a set of facet dimension values.
FacetSet(int) - Constructor for class org.apache.lucene.facet.facetset.FacetSet
  Constructs a new instance of a facet set with the given number of dimensions.
FacetSetDecoder - Interface in org.apache.lucene.facet.facetset
  A functional interface for decoding facet set values into comparable `long` ones.
FacetSetMatcher - Class in org.apache.lucene.facet.facetset
  Matches the encoded `FacetSet` that was indexed in `FacetSetsField`.
FacetSetMatcher(String, int) - Constructor for class org.apache.lucene.facet.facetset.FacetSetMatcher
  Constructs a new matcher.
FacetSetsField - Class in org.apache.lucene.facet.facetset
  A `BinaryDocValuesField` which encodes a list of `facet sets`.
FacetUtils - Class in org.apache.lucene.facet
  Utility class with a single method for getting a DocIdSetIterator that skips deleted docs
failNoMatch() - Method in class org.apache.lucene.facet.range.Range
  Invoke this for a useless range.
failNoMatch() - Method in class org.apache.lucene.facet.rangeonrange.Range
  Invoke this for a useless range.
fastMatchQuery - Variable in class org.apache.lucene.facet.FacetCountsWithFilterQuery
  Optional: if specified, we first test this Query to see whether the document should be checked for matching ranges.
FastTaxonomyFacetCounts - Class in org.apache.lucene.facet.taxonomy
  Computes facets counts, assuming the default encoding into DocValues was used.
FastTaxonomyFacetCounts(String, TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.FastTaxonomyFacetCounts
  Create `FastTaxonomyFacetCounts`, using the specified `indexFieldName` for ordinals.
FastTaxonomyFacetCounts(String, IndexReader, TaxonomyReader, FacetsConfig) - Constructor for class org.apache.lucene.facet.taxonomy.FastTaxonomyFacetCounts
  Create `FastTaxonomyFacetCounts`, using the specified `indexFieldName` for ordinals, and counting all non-deleted documents in the index.
FastTaxonomyFacetCounts(TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.FastTaxonomyFacetCounts
  Create `FastTaxonomyFacetCounts`, which also counts all facet labels.
findCategory(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Look up the given category in the cache and/or the on-disk storage, returning the category's ordinal, or a negative number in case the category does not yet exist in the taxonomy.
finish() - Method in class org.apache.lucene.facet.FacetsCollector
FloatAssociationFacetField - Class in org.apache.lucene.facet.taxonomy
  Add an instance of this to your `Document` to add a facet label associated with a float.
FloatAssociationFacetField(float, String, String...) - Constructor for class org.apache.lucene.facet.taxonomy.FloatAssociationFacetField
  Creates this from `dim` and `path` and a float association
FloatFacetSet - Class in org.apache.lucene.facet.facetset
  A `FacetSet` which encodes float dimension values.
FloatFacetSet(float...) - Constructor for class org.apache.lucene.facet.facetset.FloatFacetSet
  Constructs a new instance of a facet set which stores `float` dimension values.
FloatTaxonomyFacets - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Visibility of this class will be reduced to pkg-private in a future version. This class is meant to host common code as an internal implementation detail to taxonomy faceting,and is not intended as an extension point for user-created `Facets` implementations. If your code is relying on this, please migrate necessary functionality down into your own class.
FloatTaxonomyFacets(String, TaxonomyReader, FacetsConfig) - Constructor for class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
  Constructor that defaults the aggregation function to `AssociationAggregationFunction.SUM`.
FloatTaxonomyFacets(String, TaxonomyReader, AssociationAggregationFunction, FacetsConfig) - Constructor for class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
  Constructor that uses the provided aggregation function.
floatToBytesRef(float) - Static method in class org.apache.lucene.facet.taxonomy.FloatAssociationFacetField
  Encodes a `float` as a 4-byte `BytesRef`.
fromDoubleField(String) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Creates a MultiDoubleValuesSource that wraps a double-valued field
fromDoubles(double, boolean, double, boolean) - Static method in class org.apache.lucene.facet.facetset.DimRange
  Creates a `DimRange` for the given min and max double values.
fromField(String, LongToDoubleFunction) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Creates a MultiDoubleValuesSource that wraps a generic NumericDocValues/SortedNumericDocValues field.
fromFloatField(String) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Creates a MultiDoubleValuesSource that wraps a float-valued field
fromFloats(float, boolean, float, boolean) - Static method in class org.apache.lucene.facet.facetset.DimRange
  Creates a `DimRange` for the given min and max float values.
fromIntField(String) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Creates a MultiDoubleValuesSource that wraps an int-valued field
fromIntField(String) - Static method in class org.apache.lucene.facet.MultiLongValuesSource
  Creates a MultiLongValuesSource that wraps an int-valued field
fromLongField(String) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Creates a MultiDoubleValuesSource that wraps a long-valued field
fromLongField(String) - Static method in class org.apache.lucene.facet.MultiLongValuesSource
  Creates a MultiLongValuesSource that wraps a long-valued field
fromLongs(long, boolean, long, boolean) - Static method in class org.apache.lucene.facet.facetset.DimRange
  Creates a `DimRange` for the given min and max long values.
fromSingleValued(DoubleValuesSource) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Creates a MultiDoubleValuesSource that wraps a single-valued `DoubleValuesSource`
fromSingleValued(LongValuesSource) - Static method in class org.apache.lucene.facet.MultiLongValuesSource
  Creates a MultiLongValuesSource that wraps a single-valued `LongValuesSource`
FULL_PATH_ONLY - org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Index only full-path drill down terms.

## G

get(int) - Method in class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays.IntArray
  Equivalent to array[i].
get(int, IntsRef) - Method in class org.apache.lucene.facet.taxonomy.OrdinalsReader.OrdinalsSegmentReader
  Deprecated.
  Get the ordinals for this document.
get(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
get(FacetLabel) - Method in interface org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
  Lookup a category in the cache, returning its ordinal, or a negative number if the category is not in the cache.
get(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.Facets
  Returns all child labels with non-zero counts under the specified path.
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.LongValueFacetCounts
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.MultiFacets
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.StringValueFacetCounts
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
getAllChildren(String, String...) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
getAllChildrenSortByValue() - Method in class org.apache.lucene.facet.LongValueFacetCounts
  Returns all unique values seen, sorted by value.
getAllDims(int) - Method in class org.apache.lucene.facet.Facets
  Returns topN labels for any dimension that had hits, sorted by the number of hits that dimension matched; this is used for "sparse" faceting, where many different dimensions were indexed, for example depending on the type of document.
getAllDims(int) - Method in class org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
getAllDims(int) - Method in class org.apache.lucene.facet.LongValueFacetCounts
getAllDims(int) - Method in class org.apache.lucene.facet.MultiFacets
getAllDims(int) - Method in class org.apache.lucene.facet.StringValueFacetCounts
getAllDims(int) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
getBaseQuery() - Method in class org.apache.lucene.facet.DrillDownQuery
  Returns the internal baseQuery of the DrillDownQuery
getBinaryDocValues(String) - Method in class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
getBulkOrdinals(FacetLabel...) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getBulkOrdinals(FacetLabel...) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns the ordinals of the categories given as a path.
getBulkPath(int...) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Returns an array of FacetLabels for a given array of ordinals.
getBulkPath(int...) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns the path names of the list of ordinals associated with different categories.
getCache() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Returns the `TaxonomyWriterCache` in use by this writer.
getChildren(int) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns an iterator over the children of the given ordinal.
getChildResources() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Returns nested resources of this class.
getChildResources() - Method in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader
  Deprecated.
getChildResources() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getCommitUserData() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getCommitUserData() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Retrieve user committed data.
getComparableValues() - Method in class org.apache.lucene.facet.facetset.DoubleFacetSet
getComparableValues() - Method in class org.apache.lucene.facet.facetset.FacetSet
  Returns the dimension values in this facet set as comparable longs.
getComparableValues() - Method in class org.apache.lucene.facet.facetset.FloatFacetSet
getComparableValues() - Method in class org.apache.lucene.facet.facetset.IntFacetSet
getComparableValues() - Method in class org.apache.lucene.facet.facetset.LongFacetSet
getCoreCacheHelper() - Method in class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
getDefaultDimConfig() - Method in class org.apache.lucene.facet.FacetsConfig
  Get the default configuration for new dimensions.
getDimConfig(String) - Method in class org.apache.lucene.facet.FacetsConfig
  Get the current configuration for a dimension.
getDimConfigs() - Method in class org.apache.lucene.facet.FacetsConfig
  Returns map of field name to `FacetsConfig.DimConfig`.
getDims() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
getDims() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Returns a list of all dimensions
getDimTree(String) - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
getDimTree(String) - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Returns mapping from prefix to `SortedSetDocValuesReaderState.DimTree`
getDirectory() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Returns the `Directory` of this taxonomy writer.
getDocValues() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Return top-level doc values.
getDocValues() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Return top-level doc values.
getDrillDownQueries() - Method in class org.apache.lucene.facet.DrillDownQuery
  Returns the dimension queries added either via `DrillDownQuery.add(String, Query)` or `DrillDownQuery.add(String, String...)`
getFacetLabelReader(LeafReaderContext) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels
  Create and return an instance of `TaxonomyFacetLabels.FacetLabelReader` to retrieve facet labels for multiple documents and (optionally) for a specific dimension.
getFacetsConfig() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
getFacetsConfig() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Returns the associated facet config.
getField() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Indexed field we are reading.
getField() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Indexed field we are reading.
getIndexFieldName() - Method in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader
  Deprecated.
getIndexFieldName() - Method in class org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader
  Deprecated.
getIndexFieldName() - Method in class org.apache.lucene.facet.taxonomy.OrdinalsReader
  Deprecated.
  Returns the indexed field name this `OrdinalsReader` is reading from.
getInternalIndexReader() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Expert: returns the underlying `DirectoryReader` instance that is used by this `TaxonomyReader`.
getKeepScores() - Method in class org.apache.lucene.facet.FacetsCollector
  True if scores were saved.
getLabelsFromRanges(Range[]) - Static method in class org.apache.lucene.facet.rangeonrange.Range
  Gets a corresponding array of labels given a range
getLiveCommitData() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
getLiveCommitData() - Method in interface org.apache.lucene.facet.taxonomy.TaxonomyWriter
  Returns the commit user data iterable that was set on `TaxonomyWriter.setLiveCommitData(Iterable)`.
getLongRanges() - Method in class org.apache.lucene.facet.range.DoubleRangeFacetCounts
  Create long ranges from the double ranges.
getLongRanges() - Method in class org.apache.lucene.facet.range.LongRangeFacetCounts
getMap() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.DiskOrdinalMap
getMap() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap
getMap() - Method in interface org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap
  Return the map from the taxonomy's original (consecutive) ordinals to the new taxonomy's ordinals.
getMatchingDocs() - Method in class org.apache.lucene.facet.FacetsCollector
  Returns the documents matched by the query, one `FacetsCollector.MatchingDocs` per visited segment.
getMatchingDocs() - Method in class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Returns the sampled list of the matching documents.
getMaxOrdinal() - Method in class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  return the maximal Ordinal assigned so far
getMaxSize() - Method in class org.apache.lucene.facet.taxonomy.LRUHashMap
  Return the max size
getNextOrdinal() - Method in class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  Returns the next unassigned ordinal.
getOrdinal(String, String...) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns ordinal for the dim + path.
getOrdinal(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getOrdinal(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns the ordinal of the category given as a path.
getOrdinal(FacetLabel) - Method in class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  Returns the ordinal assigned to the given label, or `LabelToOrdinal.INVALID_ORDINAL` if the label cannot be found in this table.
getOrdinalsReader(String) - Method in class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
  Deprecated.
  Custom binary formats are no longer directly supported for taxonomy faceting starting in Lucene 9
getOrdRange(String) - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
getOrdRange(String) - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Returns the `SortedSetDocValuesReaderState.OrdRange` for this dimension.
getOriginalMatchingDocs() - Method in class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Returns the original matching documents.
getParallelTaxonomyArrays() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getParallelTaxonomyArrays() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns a `ParallelTaxonomyArrays` object which can be used to efficiently traverse the taxonomy tree.
getParent(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
getParent(int) - Method in interface org.apache.lucene.facet.taxonomy.TaxonomyWriter
  getParent() returns the ordinal of the parent category of the category with the given ordinal.
getPath(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getPath(int) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns the path name of the category with the given ordinal.
getPrefixToOrdRange() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
getPrefixToOrdRange() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Returns mapping from prefix to `SortedSetDocValuesReaderState.OrdRange`.
getQuery(Query, MultiDoubleValuesSource) - Method in class org.apache.lucene.facet.range.DoubleRange
  Create a Query that matches documents in this range
getQuery(Query, MultiLongValuesSource) - Method in class org.apache.lucene.facet.range.LongRange
  Create a Query that matches documents in this range
getQuery(Query, DoubleValuesSource) - Method in class org.apache.lucene.facet.range.DoubleRange
  Create a Query that matches documents in this range
getQuery(Query, LongValuesSource) - Method in class org.apache.lucene.facet.range.LongRange
  Create a Query that matches documents in this range
getReader() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
getReader() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Returns top-level index reader.
getReader(LeafReaderContext) - Method in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader
  Deprecated.
getReader(LeafReaderContext) - Method in class org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader
  Deprecated.
getReader(LeafReaderContext) - Method in class org.apache.lucene.facet.taxonomy.OrdinalsReader
  Deprecated.
  Set current atomic reader.
getReaderCacheHelper() - Method in class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
getRefCount() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns the current refCount for this taxonomy reader.
getRefCount(SearcherTaxonomyManager.SearcherAndTaxonomy) - Method in class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
getSamplingRate() - Method in class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Returns the sampling rate that was used.
getSize() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Number of unique labels.
getSize() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Number of unique labels.
getSize() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
getSize() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
getSize() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Returns the number of categories in the taxonomy.
getSize() - Method in interface org.apache.lucene.facet.taxonomy.TaxonomyWriter
  getSize() returns the number of categories in the taxonomy.
getSortedNumericDocValues(String) - Method in class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.Facets
  Return the count or value for a specific path.
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.LongValueFacetCounts
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.MultiFacets
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.StringValueFacetCounts
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
getSpecificValue(String, String...) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
getTaxonomyEpoch() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Expert: returns current index epoch, if this is a near-real-time reader.
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.Facets
  Returns the topN child labels under the specified path.
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.LongValueFacetCounts
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.MultiFacets
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.StringValueFacetCounts
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
getTopChildren(int, String, String...) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
getTopChildrenSortByCount(int) - Method in class org.apache.lucene.facet.LongValueFacetCounts
  Deprecated.
  Please use `LongValueFacetCounts.getTopChildren(int, String, String...)` instead for the same functionality.
getTopDims(int, int) - Method in class org.apache.lucene.facet.Facets
  Returns labels for topN dimensions and their topNChildren sorted by the number of hits/aggregated values that dimension matched.
getTopDims(int, int) - Method in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
getTopDims(int, int) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
getValue(int) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Get the count for this ordinal.
getValueCount() - Method in class org.apache.lucene.facet.MultiDoubleValues
  Retrieves the number of values for the current document.
getValueCount() - Method in class org.apache.lucene.facet.MultiLongValues
  Retrieves the number of values for the current document.
getValues(LeafReaderContext) - Method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Returns a `MultiDoubleValues` instance for the passed-in LeafReaderContext
getValues(LeafReaderContext) - Method in class org.apache.lucene.facet.MultiLongValuesSource
  Returns a `MultiLongValues` instance for the passed-in LeafReaderContext

## H

hashCode() - Method in class org.apache.lucene.facet.DrillDownQuery
hashCode() - Method in class org.apache.lucene.facet.FacetResult
hashCode() - Method in class org.apache.lucene.facet.LabelAndValue
hashCode() - Method in class org.apache.lucene.facet.MultiDoubleValuesSource
hashCode() - Method in class org.apache.lucene.facet.MultiLongValuesSource
hashCode() - Method in class org.apache.lucene.facet.range.DoubleRange
hashCode() - Method in class org.apache.lucene.facet.range.LongRange
hashCode() - Method in class org.apache.lucene.facet.rangeonrange.DoubleRange
hashCode() - Method in class org.apache.lucene.facet.rangeonrange.LongRange
hashCode() - Method in class org.apache.lucene.facet.taxonomy.FacetLabel
hierarchical - Variable in class org.apache.lucene.facet.FacetsConfig.DimConfig
  True if this dimension is hierarchical.
hits - Variable in class org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
  Hits.

## I

incRef() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Expert: increments the refCount of this TaxonomyReader instance.
increment(int) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Increment the count for this ordinal by 1.
increment(int, int) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Increment the count for this ordinal by `amount`..
INDEX_EPOCH - Static variable in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Property name of user commit data that contains the index epoch.
indexFieldName - Variable in class org.apache.lucene.facet.FacetsConfig.DimConfig
  Actual field where this dimension's facet labels should be indexed
indexFieldName - Variable in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  Index field name provided to the constructor.
IntArray() - Constructor for class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays.IntArray
  Sole constructor *
IntAssociationFacetField - Class in org.apache.lucene.facet.taxonomy
  Add an instance of this to your `Document` to add a facet label associated with an int.
IntAssociationFacetField(int, String, String...) - Constructor for class org.apache.lucene.facet.taxonomy.IntAssociationFacetField
  Creates this from `dim` and `path` and an int association
IntFacetSet - Class in org.apache.lucene.facet.facetset
  A `FacetSet` which encodes integer dimension values.
IntFacetSet(int...) - Constructor for class org.apache.lucene.facet.facetset.IntFacetSet
  Constructs a new instance of a facet set which stores `int` dimension values.
IntTaxonomyFacets - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Visibility of this class will be reduced to pkg-private in a future version. This class is meant to host common code as an internal implementation detail to `FastTaxonomyFacetCounts` and `TaxonomyFacetIntAssociations`,and is not intended as an extension point for user-created `Facets` implementations. If your code is relying on this, please migrate necessary functionality down into your own class.
IntTaxonomyFacets(String, TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Constructor that defaults the aggregation function to `AssociationAggregationFunction.SUM`.
IntTaxonomyFacets(String, TaxonomyReader, FacetsConfig, AssociationAggregationFunction, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Constructor that uses the provided aggregation function.
intToBytesRef(int) - Static method in class org.apache.lucene.facet.taxonomy.IntAssociationFacetField
  Encodes an `int` as a 4-byte `BytesRef`, big-endian.
INVALID_ORDINAL - Static variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Invalid ordinal const
INVALID_ORDINAL - Static variable in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Ordinals are always non-negative, so a negative ordinal can be used to signify an error.
INVALID_ORDINAL - Static variable in class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  Returned by `LabelToOrdinal.getOrdinal(org.apache.lucene.facet.taxonomy.FacetLabel)` when the label isn't recognized.
isDimConfigured(String) - Method in class org.apache.lucene.facet.FacetsConfig
  Returns true if the dimension for provided name has ever been manually configured.
isFull() - Method in class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
isFull() - Method in interface org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
  Returns true if the cache is full, such that the next `TaxonomyWriterCache.put(org.apache.lucene.facet.taxonomy.FacetLabel, int)` will evict entries from it, false otherwise.
isFull() - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
iterator() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.DimTree
  Iterates through all first level children of dimension
iterator() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.OrdRange
  Iterates from start to end ord (inclusive)
iterator(int) - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.DimTree
  Iterates through all children of given pathOrd

## L

label - Variable in class org.apache.lucene.facet.facetset.FacetSetMatcher
  The label to associate to this matcher's aggregated value.
label - Variable in class org.apache.lucene.facet.LabelAndValue
  Facet's label.
label - Variable in class org.apache.lucene.facet.range.Range
  Label that identifies this range.
label - Variable in class org.apache.lucene.facet.rangeonrange.Range
  Label that identifies this range.
label - Variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
  Deprecated.
  This field will be removed in a future version. `FacetsConfig.pathToString(String[])` can be applied to `path` as a replacement if string path is desired.
LabelAndValue - Class in org.apache.lucene.facet
  Single label and its value, usually contained in a `FacetResult`.
LabelAndValue(String, Number) - Constructor for class org.apache.lucene.facet.LabelAndValue
  Sole constructor.
LabelToOrdinal - Class in org.apache.lucene.facet.taxonomy.writercache
  Abstract class for storing Label->Ordinal mappings in a taxonomy.
LabelToOrdinal() - Constructor for class org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  Default constructor.
labelValues - Variable in class org.apache.lucene.facet.FacetResult
  Child counts.
length - Variable in class org.apache.lucene.facet.taxonomy.FacetLabel
  The number of components of this `FacetLabel`.
length() - Method in class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays.IntArray
  Equivalent to array.length.
lessThan(TopOrdAndFloatQueue.OrdAndValue, TopOrdAndFloatQueue.OrdAndValue) - Method in class org.apache.lucene.facet.TopOrdAndFloatQueue
lessThan(TopOrdAndIntQueue.OrdAndValue, TopOrdAndIntQueue.OrdAndValue) - Method in class org.apache.lucene.facet.TopOrdAndIntQueue
liveDocsDISI(DocIdSetIterator, Bits) - Static method in class org.apache.lucene.facet.FacetUtils
  Wrap the given DocIdSetIterator and liveDocs into another DocIdSetIterator that returns non-deleted documents during iteration.
loadOrdinalValues(LeafReader, String) - Static method in class org.apache.lucene.facet.FacetUtils
  Deprecated.
  Please do not rely on this method. It is added as a temporary measure for providing index backwards-compatibility with Lucene 8 and earlier indexes, and will be removed in Lucene 10.
loadOrdinalValues(LeafReader, String, BiConsumer<BytesRef, IntsRef>) - Static method in class org.apache.lucene.facet.FacetUtils
  Deprecated.
  Please do not rely on this method. It is added as a temporary measure for providing index backwards-compatibility with Lucene 8 and earlier indexes, and will be removed in Lucene 10.
LongFacetSet - Class in org.apache.lucene.facet.facetset
  A `FacetSet` which encodes long dimension values.
LongFacetSet(long...) - Constructor for class org.apache.lucene.facet.facetset.LongFacetSet
  Constructs a new instance of a facet set which stores `long` dimension values.
longHashCode() - Method in class org.apache.lucene.facet.taxonomy.FacetLabel
  Calculate a 64-bit hash function for this path.
LongRange - Class in org.apache.lucene.facet.range
  Represents a range over long values.
LongRange - Class in org.apache.lucene.facet.rangeonrange
  Represents a long range for RangeOnRange faceting
LongRange(String, long[], long[]) - Constructor for class org.apache.lucene.facet.rangeonrange.LongRange
  Represents a multidimensional long range for RangeOnRange faceting
LongRange(String, long, boolean, long, boolean) - Constructor for class org.apache.lucene.facet.range.LongRange
  Create a LongRange.
LongRange(String, long, boolean, long, boolean) - Constructor for class org.apache.lucene.facet.rangeonrange.LongRange
  Represents a single dimensional long range for RangeOnRange faceting
LongRangeFacetCounts - Class in org.apache.lucene.facet.range
  `Facets` implementation that computes counts for dynamic long ranges.
LongRangeFacetCounts(String, FacetsCollector, LongRange...) - Constructor for class org.apache.lucene.facet.range.LongRangeFacetCounts
  Create `LongRangeFacetCounts` using long values from the specified field.
LongRangeFacetCounts(String, MultiLongValuesSource, FacetsCollector, LongRange...) - Constructor for class org.apache.lucene.facet.range.LongRangeFacetCounts
  Create `LongRangeFacetCounts`, using the provided `MultiLongValuesSource` if non-null.
LongRangeFacetCounts(String, MultiLongValuesSource, FacetsCollector, Query, LongRange...) - Constructor for class org.apache.lucene.facet.range.LongRangeFacetCounts
  Create `LongRangeFacetCounts`, using the provided `MultiLongValuesSource` if non-null.
LongRangeFacetCounts(String, LongValuesSource, FacetsCollector, LongRange...) - Constructor for class org.apache.lucene.facet.range.LongRangeFacetCounts
  Create `LongRangeFacetCounts`, using the provided `LongValuesSource` if non-null.
LongRangeFacetCounts(String, LongValuesSource, FacetsCollector, Query, LongRange...) - Constructor for class org.apache.lucene.facet.range.LongRangeFacetCounts
  Create `LongRangeFacetCounts`, using the provided `LongValuesSource` if non-null.
LongRangeOnRangeFacetCounts - Class in org.apache.lucene.facet.rangeonrange
  Represents counts for long range on range faceting.
LongRangeOnRangeFacetCounts(String, FacetsCollector, RangeFieldQuery.QueryType, LongRange...) - Constructor for class org.apache.lucene.facet.rangeonrange.LongRangeOnRangeFacetCounts
  Constructor without the fast match query, see other constructor description for more details.
LongRangeOnRangeFacetCounts(String, FacetsCollector, RangeFieldQuery.QueryType, Query, LongRange...) - Constructor for class org.apache.lucene.facet.rangeonrange.LongRangeOnRangeFacetCounts
  Represents counts for long range on range faceting.
LongValueFacetCounts - Class in org.apache.lucene.facet
  `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.
LongValueFacetCounts(String, FacetsCollector) - Constructor for class org.apache.lucene.facet.LongValueFacetCounts
  Create `LongValueFacetCounts`, using either single-valued `NumericDocValues` or multi-valued `SortedNumericDocValues` from the specified field (depending on what has been indexed).
LongValueFacetCounts(String, MultiLongValuesSource, FacetsCollector) - Constructor for class org.apache.lucene.facet.LongValueFacetCounts
  Create `LongValueFacetCounts`, using the provided `MultiLongValuesSource` if non-null.
LongValueFacetCounts(String, MultiLongValuesSource, IndexReader) - Constructor for class org.apache.lucene.facet.LongValueFacetCounts
  Counts all facet values for the provided `MultiLongValuesSource` if non-null.
LongValueFacetCounts(String, IndexReader) - Constructor for class org.apache.lucene.facet.LongValueFacetCounts
  Counts all facet values for this reader.
LongValueFacetCounts(String, LongValuesSource, FacetsCollector) - Constructor for class org.apache.lucene.facet.LongValueFacetCounts
  Create `LongValueFacetCounts`, using the provided `LongValuesSource` if non-null.
LongValueFacetCounts(String, LongValuesSource, IndexReader) - Constructor for class org.apache.lucene.facet.LongValueFacetCounts
  Counts all facet values for the provided `LongValuesSource` if non-null.
LRU_HASHED - org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache.LRUType
  Use only the label's 64 bit longHashCode as the hash key.
LRU_STRING - org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache.LRUType
  Use the label as the hash key; this is always correct but will usually use more RAM.
LRUHashMap<K,​V> - Class in org.apache.lucene.facet.taxonomy
  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.
LRUHashMap(int) - Constructor for class org.apache.lucene.facet.taxonomy.LRUHashMap
  Create a new hash map with a bounded size and with least recently used entries removed.
LruTaxonomyWriterCache - Class in org.apache.lucene.facet.taxonomy.writercache
  LRU `TaxonomyWriterCache` - good choice for huge taxonomies.
LruTaxonomyWriterCache(int) - Constructor for class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
  Creates this with `LruTaxonomyWriterCache.LRUType.LRU_STRING` method.
LruTaxonomyWriterCache(int, LruTaxonomyWriterCache.LRUType) - Constructor for class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
  Creates this with the specified method.
LruTaxonomyWriterCache.LRUType - Enum in org.apache.lucene.facet.taxonomy.writercache
  Determines cache type.

## M

main(String[]) - Static method in class org.apache.lucene.facet.taxonomy.PrintTaxonomyStats
  Command-line tool.
mapDocValue(long) - Method in class org.apache.lucene.facet.range.DoubleRangeFacetCounts
matches(long[]) - Method in class org.apache.lucene.facet.facetset.ExactFacetSetMatcher
matches(long[]) - Method in class org.apache.lucene.facet.facetset.FacetSetMatcher
  Returns true if the facet set encoded in the given `long[]` is matched by this matcher.
matches(long[]) - Method in class org.apache.lucene.facet.facetset.RangeFacetSetMatcher
MatchingDocs(LeafReaderContext, DocIdSet, int, float[]) - Constructor for class org.apache.lucene.facet.FacetsCollector.MatchingDocs
  Sole constructor.
MatchingFacetSetsCounts - Class in org.apache.lucene.facet.facetset
  Returns the counts for each given `FacetSet`
MatchingFacetSetsCounts(String, FacetsCollector, FacetSetDecoder, FacetSetMatcher...) - Constructor for class org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
  Constructs a new instance of matching facet set counts which calculates the counts for each given facet set matcher.
MatchingFacetSetsCounts(String, FacetsCollector, FacetSetDecoder, Query, FacetSetMatcher...) - Constructor for class org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
  Constructs a new instance of matching facet set counts which calculates the counts for each given facet set matcher.
max - Variable in class org.apache.lucene.facet.facetset.DimRange
  Inclusive max
max - Variable in class org.apache.lucene.facet.range.DoubleRange
  Maximum (inclusive.
max - Variable in class org.apache.lucene.facet.range.LongRange
  Maximum (inclusive).
max - Variable in class org.apache.lucene.facet.rangeonrange.DoubleRange
  Maximum (inclusive).
max - Variable in class org.apache.lucene.facet.rangeonrange.LongRange
  Maximum (inclusive).
MAX - Static variable in class org.apache.lucene.facet.taxonomy.AssociationAggregationFunction
  Aggregation that computes the maximum value
MAX_CATEGORY_PATH_LENGTH - Static variable in class org.apache.lucene.facet.taxonomy.FacetLabel
  The maximum number of characters a `FacetLabel` can have.
MemoryOrdinalMap() - Constructor for class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap
  Sole constructor.
merge(Directory, Directory, DirectoryTaxonomyWriter.OrdinalMap, IndexWriter, DirectoryTaxonomyWriter, FacetsConfig) - Static method in class org.apache.lucene.facet.taxonomy.TaxonomyMergeUtils
  Merges the given taxonomy and index directories and commits the changes to the given writers.
min - Variable in class org.apache.lucene.facet.facetset.DimRange
  Inclusive min
min - Variable in class org.apache.lucene.facet.range.DoubleRange
  Minimum (inclusive).
min - Variable in class org.apache.lucene.facet.range.LongRange
  Minimum (inclusive).
min - Variable in class org.apache.lucene.facet.rangeonrange.DoubleRange
  Minimum (inclusive).
min - Variable in class org.apache.lucene.facet.rangeonrange.LongRange
  Minimum (inclusive).
MultiDoubleValues - Class in org.apache.lucene.facet
  Per-segment, per-document double values, which can be calculated at search-time.
MultiDoubleValues() - Constructor for class org.apache.lucene.facet.MultiDoubleValues
  Instantiates a new MultiDoubleValues
MultiDoubleValuesSource - Class in org.apache.lucene.facet
  Base class for producing `MultiDoubleValues`.
MultiDoubleValuesSource() - Constructor for class org.apache.lucene.facet.MultiDoubleValuesSource
  Instantiates a new MultiDoubleValuesSource
MultiFacetQuery - Class in org.apache.lucene.facet
  A multi-terms `Query` over a `FacetField`.
MultiFacetQuery(String, String[]...) - Constructor for class org.apache.lucene.facet.MultiFacetQuery
  Creates a new `MultiFacetQuery` filtering the query on the given dimension.
MultiFacetQuery(FacetsConfig, String, String[]...) - Constructor for class org.apache.lucene.facet.MultiFacetQuery
  Creates a new `MultiFacetQuery` filtering the query on the given dimension.
MultiFacets - Class in org.apache.lucene.facet
  Maps specified dims to provided Facets impls; else, uses the default Facets impl.
MultiFacets(Map<String, Facets>) - Constructor for class org.apache.lucene.facet.MultiFacets
  Create this, with no default `Facets`.
MultiFacets(Map<String, Facets>, Facets) - Constructor for class org.apache.lucene.facet.MultiFacets
  Create this, with the specified default `Facets` for fields not included in `dimToFacets`.
MultiLongValues - Class in org.apache.lucene.facet
  Per-segment, per-document long values, which can be calculated at search-time.
MultiLongValues() - Constructor for class org.apache.lucene.facet.MultiLongValues
  Instantiates a new MultiLongValues
MultiLongValuesSource - Class in org.apache.lucene.facet
  Base class for producing `MultiLongValues`.
MultiLongValuesSource() - Constructor for class org.apache.lucene.facet.MultiLongValuesSource
  Instantiates a new MultiLongValuesSource
multiValued - Variable in class org.apache.lucene.facet.FacetsConfig.DimConfig
  True if this dimension is multi-valued.

## N

NameHashIntCacheLRU - Class in org.apache.lucene.facet.taxonomy.writercache
  An LRU cache of mapping from name to int.
newCollector() - Method in class org.apache.lucene.facet.FacetsCollectorManager
next() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader.ChildrenIterator
  Return the next child ordinal, or `TaxonomyReader.INVALID_ORDINAL` if no more children.
nextDoc() - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
nextFacetLabel(int) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels.FacetLabelReader
  Retrieves the next `FacetLabel` for the specified `docId`, or `null` if there are no more.
nextFacetLabel(int, String) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels.FacetLabelReader
  Retrieves the next `FacetLabel` for the specified `docId` under the requested `facetDimension`, or `null` if there are no more.
nextValue() - Method in class org.apache.lucene.facet.MultiDoubleValues
  Iterates to the next value in the current document.
nextValue() - Method in class org.apache.lucene.facet.MultiLongValues
  Iterates to the next value in the current document.
nextValue() - Method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
NONE - org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Index no drill down terms.

## O

offsets - Variable in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader.CachedOrds
  Deprecated.
  Index into `CachedOrdinalsReader.CachedOrds.ordinals` for each document.
openIfChanged(T) - Static method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  If the taxonomy has changed since the provided reader was opened, open and return a new `TaxonomyReader`; else, return `null`.
openIndexReader(IndexWriter) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Open the `DirectoryReader` from this `IndexWriter`.
openIndexReader(Directory) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Open the `DirectoryReader` from this `Directory`.
openIndexWriter(Directory, IndexWriterConfig) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Open internal index writer, which contains the taxonomy data.
ord - Variable in class org.apache.lucene.facet.TopOrdAndFloatQueue.OrdAndValue
  Ordinal of the entry.
ord - Variable in class org.apache.lucene.facet.TopOrdAndIntQueue.OrdAndValue
  Ordinal of the entry.
OrdAndValue() - Constructor for class org.apache.lucene.facet.TopOrdAndFloatQueue.OrdAndValue
  Default constructor.
OrdAndValue() - Constructor for class org.apache.lucene.facet.TopOrdAndIntQueue.OrdAndValue
  Default constructor.
OrdinalMappingLeafReader - Class in org.apache.lucene.facet.taxonomy
  A `FilterLeafReader` for updating facets ordinal references, based on an ordinal map.
OrdinalMappingLeafReader(LeafReader, int[], FacetsConfig) - Constructor for class org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
  Wraps an LeafReader, mapping ordinals according to the ordinalMap, using the provided `FacetsConfig` which was used to build the wrapped reader.
ordinals - Variable in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader.CachedOrds
  Deprecated.
  Holds ords for all docs.
OrdinalsReader - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
OrdinalsReader() - Constructor for class org.apache.lucene.facet.taxonomy.OrdinalsReader
  Deprecated.
  Default constructor.
OrdinalsReader.OrdinalsSegmentReader - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Returns ordinals for documents in one segment.
OrdinalsSegmentReader() - Constructor for class org.apache.lucene.facet.taxonomy.OrdinalsReader.OrdinalsSegmentReader
  Deprecated.
  Default constructor.
OrdRange(int, int) - Constructor for class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.OrdRange
  Start and end are inclusive.
org.apache.lucene.facet - package org.apache.lucene.facet
  Faceted search.
org.apache.lucene.facet.facetset - package org.apache.lucene.facet.facetset
  Provides FacetSets faceting capabilities which allows users to facet on high dimensional field values.
org.apache.lucene.facet.range - package org.apache.lucene.facet.range
  Provides range faceting capabilities.
org.apache.lucene.facet.rangeonrange - package org.apache.lucene.facet.rangeonrange
  Provides range on range faceting capabilities.
org.apache.lucene.facet.sortedset - package org.apache.lucene.facet.sortedset
  Provides faceting capabilities over facets that were indexed with `SortedSetDocValuesFacetField`.
org.apache.lucene.facet.taxonomy - package org.apache.lucene.facet.taxonomy
  Taxonomy of Categories.
org.apache.lucene.facet.taxonomy.directory - package org.apache.lucene.facet.taxonomy.directory
  Taxonomy index implementation using on top of a Directory.
org.apache.lucene.facet.taxonomy.writercache - package org.apache.lucene.facet.taxonomy.writercache
  Improves indexing time by caching a map of CategoryPath to their Ordinal.

## P

packValues(byte[], int) - Method in class org.apache.lucene.facet.facetset.FacetSet
  Packs the dimension values into the given `byte[]` and returns the number of packed-values bytes.
packValues(byte[], int) - Method in class org.apache.lucene.facet.facetset.FloatFacetSet
packValues(byte[], int) - Method in class org.apache.lucene.facet.facetset.IntFacetSet
ParallelTaxonomyArrays - Class in org.apache.lucene.facet.taxonomy
  Returns 3 arrays for traversing the taxonomy: `parents`: `parents[i]` denotes the parent of category ordinal `i`.
ParallelTaxonomyArrays() - Constructor for class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays
  Sole constructor.
ParallelTaxonomyArrays.IntArray - Class in org.apache.lucene.facet.taxonomy
  Abstraction that looks like an int[], but read-only.
parents() - Method in class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays
  Returns the parents array, where `parents[i]` denotes the parent of category ordinal `i`.
path - Variable in class org.apache.lucene.facet.FacetField
  Path for this field.
path - Variable in class org.apache.lucene.facet.FacetResult
  Path whose children were requested.
path - Variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
  Path.
path - Variable in class org.apache.lucene.facet.taxonomy.AssociationFacetField
  Facet path for this field.
pathToString(String[]) - Static method in class org.apache.lucene.facet.FacetsConfig
  Turns a dim + path into an encoded string.
pathToString(String[], int) - Static method in class org.apache.lucene.facet.FacetsConfig
  Turns the first `length` elements of `path` into an encoded string.
pathToString(String, String...) - Static method in class org.apache.lucene.facet.FacetsConfig
  Turns a dim + path into an encoded string.
prepareCommit() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  prepare most of the work needed for a two-phase commit.
printStats(TaxonomyReader, PrintStream, boolean) - Static method in class org.apache.lucene.facet.taxonomy.PrintTaxonomyStats
  Recursively prints stats for all ordinals.
PrintTaxonomyStats - Class in org.apache.lucene.facet.taxonomy
  Prints how many ords are under each dimension.
PrintTaxonomyStats() - Constructor for class org.apache.lucene.facet.taxonomy.PrintTaxonomyStats
  Sole constructor.
put(FacetLabel, int) - Method in class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
put(FacetLabel, int) - Method in interface org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
  Add a category to the cache, with the given ordinal as the value.
put(FacetLabel, int) - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.

## R

ramBytesUsed() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  Return the memory usage of this object in bytes.
ramBytesUsed() - Method in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader.CachedOrds
  Deprecated.
ramBytesUsed() - Method in class org.apache.lucene.facet.taxonomy.CachedOrdinalsReader
  Deprecated.
ramBytesUsed() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
ramBytesUsed() - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
RandomSamplingFacetsCollector - Class in org.apache.lucene.facet
  Collects hits for subsequent faceting, using sampling if needed.
RandomSamplingFacetsCollector(int) - Constructor for class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Constructor with the given sample size and default seed.
RandomSamplingFacetsCollector(int, long) - Constructor for class org.apache.lucene.facet.RandomSamplingFacetsCollector
  Constructor with the given sample size and seed.
Range - Class in org.apache.lucene.facet.range
  Base class for a single labeled range.
Range - Class in org.apache.lucene.facet.rangeonrange
  Base class for a single labeled range.
Range(String) - Constructor for class org.apache.lucene.facet.range.Range
  Sole constructor.
Range(String, int) - Constructor for class org.apache.lucene.facet.rangeonrange.Range
  Sole constructor.
RangeFacetSetMatcher - Class in org.apache.lucene.facet.facetset
  A `FacetSetMatcher` which considers a set as a match if all dimensions fall within the given corresponding range.
RangeFacetSetMatcher(String, DimRange...) - Constructor for class org.apache.lucene.facet.facetset.RangeFacetSetMatcher
  Constructs an instance to match facet sets with dimensions that fall within the given ranges.
reader - Variable in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  `IndexReader` passed to the constructor.
reduce(Collection<FacetsCollector>) - Method in class org.apache.lucene.facet.FacetsCollectorManager
refreshIfNeeded(SearcherTaxonomyManager.SearcherAndTaxonomy) - Method in class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
ReindexingEnrichedDirectoryTaxonomyWriter - Class in org.apache.lucene.facet.taxonomy.directory
  Use this `TaxonomyWriter` to append arbitrary fields to the ordinal documents in the taxonomy.
ReindexingEnrichedDirectoryTaxonomyWriter(Directory, BiConsumer<FacetLabel, Document>) - Constructor for class org.apache.lucene.facet.taxonomy.directory.ReindexingEnrichedDirectoryTaxonomyWriter
  Create a taxonomy writer that will allow editing the ordinal docs before indexing them.
reindexWithNewOrdinalData(BiConsumer<FacetLabel, Document>) - Method in class org.apache.lucene.facet.taxonomy.directory.ReindexingEnrichedDirectoryTaxonomyWriter
  Delete the existing taxonomy index and recreate it using new ordinal data.
removeEldestEntry(Map.Entry<K, V>) - Method in class org.apache.lucene.facet.taxonomy.LRUHashMap
replaceTaxonomy(Directory) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Replaces the current taxonomy with the given one.
requireDimCount - Variable in class org.apache.lucene.facet.FacetsConfig.DimConfig
  True if the count/aggregate for the entire dimension is required, which is unusual (default is false).
rewrite(IndexSearcher) - Method in class org.apache.lucene.facet.DrillDownQuery
rollback() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Rollback changes to the taxonomy writer and closes the instance.
rollup() - Method in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
  Rolls up any single-valued hierarchical dimensions.
rollup() - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Rolls up any single-valued hierarchical dimensions.
ROOT_ORDINAL - Static variable in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  The root category (the category with the empty path) always has the ordinal 0, to which we give a name ROOT_ORDINAL.

## S

scoreMode() - Method in class org.apache.lucene.facet.FacetsCollector
scores - Variable in class org.apache.lucene.facet.FacetsCollector.MatchingDocs
  Non-sparse scores array.
scoreSubDocsAtOnce() - Method in class org.apache.lucene.facet.DrillSideways
  Override this and return true if your collector (e.g., `ToParentBlockJoinCollector`) expects all sub-scorers to be positioned on the document being collected.
search(DrillDownQuery, int) - Method in class org.apache.lucene.facet.DrillSideways
  Search, sorting by score, and computing drill down and sideways counts.
search(DrillDownQuery, Collector) - Method in class org.apache.lucene.facet.DrillSideways
  Deprecated.
  This method is deprecated in interest of the `DrillSideways.search(DrillDownQuery, CollectorManager)` method.
search(DrillDownQuery, CollectorManager<?, R>) - Method in class org.apache.lucene.facet.DrillSideways
  Runs a search, using a `CollectorManager` to gather and merge search results
search(DrillDownQuery, Query, FieldDoc, int, Sort, boolean) - Method in class org.apache.lucene.facet.DrillSideways
  Search, sorting by `Sort`, and computing drill down and sideways counts.
search(IndexSearcher, Query, int, Collector) - Static method in class org.apache.lucene.facet.FacetsCollector
  Utility method, to search and also collect all hits into the provided `Collector`.
search(IndexSearcher, Query, int, Sort, boolean, Collector) - Static method in class org.apache.lucene.facet.FacetsCollector
  Utility method, to search and also collect all hits into the provided `Collector`.
search(IndexSearcher, Query, int, Sort, Collector) - Static method in class org.apache.lucene.facet.FacetsCollector
  Utility method, to search and also collect all hits into the provided `Collector`.
search(ScoreDoc, DrillDownQuery, int) - Method in class org.apache.lucene.facet.DrillSideways
  Search, sorting by score, and computing drill down and sideways counts.
searchAfter(IndexSearcher, ScoreDoc, Query, int, Collector) - Static method in class org.apache.lucene.facet.FacetsCollector
  Utility method, to search and also collect all hits into the provided `Collector`.
searchAfter(IndexSearcher, ScoreDoc, Query, int, Sort, boolean, Collector) - Static method in class org.apache.lucene.facet.FacetsCollector
  Utility method, to search and also collect all hits into the provided `Collector`.
searchAfter(IndexSearcher, ScoreDoc, Query, int, Sort, Collector) - Static method in class org.apache.lucene.facet.FacetsCollector
  Utility method, to search and also collect all hits into the provided `Collector`.
searcher - Variable in class org.apache.lucene.facet.DrillSideways
  `IndexSearcher` passed to constructor.
searcher - Variable in class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager.SearcherAndTaxonomy
  Point-in-time `IndexSearcher`.
SearcherAndTaxonomy(IndexSearcher, DirectoryTaxonomyReader) - Constructor for class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager.SearcherAndTaxonomy
  Create a SearcherAndTaxonomy
SearcherTaxonomyManager - Class in org.apache.lucene.facet.taxonomy
  Manages near-real-time reopen of both an IndexSearcher and a TaxonomyReader.
SearcherTaxonomyManager(IndexReader, DirectoryTaxonomyReader, SearcherFactory) - Constructor for class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
  Creates this from already opened `IndexReader` and `DirectoryTaxonomyReader` instances.
SearcherTaxonomyManager(IndexWriter, boolean, SearcherFactory, DirectoryTaxonomyWriter) - Constructor for class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
  Expert: creates near-real-time searcher and taxonomy reader from the corresponding writers, controlling whether deletes should be applied.
SearcherTaxonomyManager(IndexWriter, SearcherFactory, DirectoryTaxonomyWriter) - Constructor for class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
  Creates near-real-time searcher and taxonomy reader from the corresponding writers.
SearcherTaxonomyManager(Directory, Directory, SearcherFactory) - Constructor for class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
  Creates search and taxonomy readers over the corresponding directories.
SearcherTaxonomyManager.SearcherAndTaxonomy - Class in org.apache.lucene.facet.taxonomy
  Holds a matched pair of `IndexSearcher` and `TaxonomyReader`
setCacheMissesUntilFill(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
  Set the number of cache misses before an attempt is made to read the entire taxonomy into the in-memory cache.
setCacheSize(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  setCacheSize controls the maximum allowed size of each of the caches used by `DirectoryTaxonomyReader.getPath(int)` and `DirectoryTaxonomyReader.getOrdinal(FacetLabel)`.
setDrillDownTermsIndexing(String, FacetsConfig.DrillDownTermsIndexing) - Method in class org.apache.lucene.facet.FacetsConfig
  Specify drill down terms option on the field / dimension.
setHierarchical(String, boolean) - Method in class org.apache.lucene.facet.FacetsConfig
  Pass `true` if this dimension is hierarchical (has depth > 1 paths).
setIndexFieldName(String, String) - Method in class org.apache.lucene.facet.FacetsConfig
  Specify which index field name should hold the ordinals for this dimension; this is only used by the taxonomy based facet methods.
setLiveCommitData(Iterable<Map.Entry<String, String>>) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
setLiveCommitData(Iterable<Map.Entry<String, String>>) - Method in interface org.apache.lucene.facet.taxonomy.TaxonomyWriter
  Sets the commit user data iterable.
setMaxSize(int) - Method in class org.apache.lucene.facet.taxonomy.LRUHashMap
  setMaxSize() allows changing the map's maximal number of elements which was defined at construction time.
setMultiValued(String, boolean) - Method in class org.apache.lucene.facet.FacetsConfig
  Pass `true` if this dimension may have more than one value per document.
setRequireDimCount(String, boolean) - Method in class org.apache.lucene.facet.FacetsConfig
  Pass `true` if at search time you require accurate counts of the dimension, i.e.
setScorer(Scorable) - Method in class org.apache.lucene.facet.FacetsCollector
setSize(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.DiskOrdinalMap
setSize(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap
setSize(int) - Method in interface org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap
  Set the size of the map.
siblings() - Method in class org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays
  Returns the siblings array, where `siblings[i]` denotes the sibling of category ordinal `i`.
siblingsLoaded() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  Returns true if the (costly, and lazily initialized) sibling int[] was initialized.
size() - Method in class org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache
size() - Method in interface org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
  How many labels are currently stored in the cache.
size() - Method in class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
  How many labels are currently stored in the cache.
sizePackedBytes() - Method in class org.apache.lucene.facet.facetset.FacetSet
  Returns the size of the packed values in this facet set.
sizePackedBytes() - Method in class org.apache.lucene.facet.facetset.FloatFacetSet
sizePackedBytes() - Method in class org.apache.lucene.facet.facetset.IntFacetSet
SortedSetDocValuesFacetCounts - Class in org.apache.lucene.facet.sortedset
  Compute facets counts from previously indexed `SortedSetDocValuesFacetField`, without require a separate taxonomy index.
SortedSetDocValuesFacetCounts(SortedSetDocValuesReaderState) - Constructor for class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts
  Returns all facet counts, same result as searching on `MatchAllDocsQuery` but faster.
SortedSetDocValuesFacetCounts(SortedSetDocValuesReaderState, FacetsCollector) - Constructor for class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts
  Counts all facet dimensions across the provided hits.
SortedSetDocValuesFacetField - Class in org.apache.lucene.facet.sortedset
  Add an instance of this to your Document for every facet label to be indexed via SortedSetDocValues.
SortedSetDocValuesFacetField(String, String...) - Constructor for class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
  Sole constructor.
SortedSetDocValuesReaderState - Class in org.apache.lucene.facet.sortedset
  Wraps a `IndexReader` and resolves ords using existing `SortedSetDocValues` APIs without a separate taxonomy index.
SortedSetDocValuesReaderState() - Constructor for class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState
  Sole constructor.
SortedSetDocValuesReaderState.DimTree - Class in org.apache.lucene.facet.sortedset
  Holds children and sibling information for a single dimension.
SortedSetDocValuesReaderState.OrdRange - Class in org.apache.lucene.facet.sortedset
  Holds start/end range of ords, which maps to one dimension.
sparseValues - Variable in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Sparse ordinal values.
start - Variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.OrdRange
  Start of range, inclusive:
state - Variable in class org.apache.lucene.facet.DrillSideways
  `SortedSetDocValuesReaderState` passed to constructor; can be null.
StringDocValuesReaderState - Class in org.apache.lucene.facet
  Stores an `OrdinalMap` created for a specific `IndexReader` (`reader`) + `field`.
StringDocValuesReaderState(IndexReader, String) - Constructor for class org.apache.lucene.facet.StringDocValuesReaderState
  Construct state specific to a reader + field.
stringToPath(String) - Static method in class org.apache.lucene.facet.FacetsConfig
  Turns an encoded string (from a previous call to `FacetsConfig.pathToString(java.lang.String, java.lang.String...)`) back into the original `String[]`.
StringValueFacetCounts - Class in org.apache.lucene.facet
  Compute facet counts from a previously indexed `SortedSetDocValues` or `SortedDocValues` field.
StringValueFacetCounts(StringDocValuesReaderState) - Constructor for class org.apache.lucene.facet.StringValueFacetCounts
  Returns all facet counts for the field, same result as searching on `MatchAllDocsQuery` but faster.
StringValueFacetCounts(StringDocValuesReaderState, FacetsCollector) - Constructor for class org.apache.lucene.facet.StringValueFacetCounts
  Counts facets across the provided hits.
subpath(int) - Method in class org.apache.lucene.facet.taxonomy.FacetLabel
  Returns a sub-path of this path up to `length` components.
SUM - Static variable in class org.apache.lucene.facet.taxonomy.AssociationAggregationFunction
  Aggregation that computes the sum

## T

TaxonomyFacetCounts - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9. Please switch to `FastTaxonomyFacetCounts` or implement your own `Facets` implementation if you have custom needs.
TaxonomyFacetCounts(OrdinalsReader, TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetCounts
  Deprecated.
  Create `TaxonomyFacetCounts`, which also counts all facet labels.
TaxonomyFacetFloatAssociations - Class in org.apache.lucene.facet.taxonomy
  Aggregates float values associated with facet fields.
TaxonomyFacetFloatAssociations(String, TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetFloatAssociations
  Create `TaxonomyFacetFloatAssociations` against the specified index field.
TaxonomyFacetFloatAssociations(String, TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction, DoubleValuesSource) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetFloatAssociations
  Create `TaxonomyFacetFloatAssociations` against the specified index field.
TaxonomyFacetFloatAssociations(OrdinalsReader, TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction, DoubleValuesSource) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetFloatAssociations
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
TaxonomyFacetFloatAssociations(TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetFloatAssociations
  Create `TaxonomyFacetFloatAssociations` against the default index field.
TaxonomyFacetFloatAssociations(TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction, DoubleValuesSource) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetFloatAssociations
  Create `TaxonomyFacetFloatAssociations` against the default index field.
TaxonomyFacetIntAssociations - Class in org.apache.lucene.facet.taxonomy
  Aggregates int values previously indexed with `IntAssociationFacetField`, assuming the default encoding.
TaxonomyFacetIntAssociations(String, TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetIntAssociations
  Create `TaxonomyFacetIntAssociations` against the specified index field.
TaxonomyFacetIntAssociations(TaxonomyReader, FacetsConfig, FacetsCollector, AssociationAggregationFunction) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetIntAssociations
  Create `TaxonomyFacetIntAssociations` against the default index field.
TaxonomyFacetLabels - Class in org.apache.lucene.facet.taxonomy
  Utility class to easily retrieve previously indexed facet labels, allowing you to skip also adding stored fields for these values, reducing your index size.
TaxonomyFacetLabels(TaxonomyReader, String) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels
  Sole constructor.
TaxonomyFacetLabels.FacetLabelReader - Class in org.apache.lucene.facet.taxonomy
  Utility class to retrieve facet labels for multiple documents.
TaxonomyFacets - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  Visibility of this class will be reduced to pkg-private in a future version. This class is meant to host common code as an internal implementation detail to taxonomy faceting,and is not intended as an extension point for user-created `Facets` implementations. If your code is relying on this, please migrate necessary functionality down into your own class.
TaxonomyFacets(String, TaxonomyReader, FacetsConfig) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  Sole constructor.
TaxonomyFacetSumFloatAssociations - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  This class is being deprecated in favor of `TaxonomyFacetFloatAssociations`, which provides more flexible aggregation functionality beyond just "sum"
TaxonomyFacetSumFloatAssociations(String, TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumFloatAssociations
  Deprecated.
  Create `TaxonomyFacetSumFloatAssociations` against the specified index field.
TaxonomyFacetSumFloatAssociations(TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumFloatAssociations
  Deprecated.
  Create `TaxonomyFacetSumFloatAssociations` against the default index field.
TaxonomyFacetSumIntAssociations - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  This class is being deprecated in favor of `TaxonomyFacetIntAssociations`, which provides more flexible aggregation functionality beyond just "sum"
TaxonomyFacetSumIntAssociations(String, TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumIntAssociations
  Deprecated.
  Create `TaxonomyFacetSumIntAssociations` against the specified index field.
TaxonomyFacetSumIntAssociations(TaxonomyReader, FacetsConfig, FacetsCollector) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumIntAssociations
  Deprecated.
  Create `TaxonomyFacetSumIntAssociations` against the default index field.
TaxonomyFacetSumValueSource - Class in org.apache.lucene.facet.taxonomy
  Deprecated.
  This class is being deprecated in favor of `TaxonomyFacetFloatAssociations`, which provides more flexible aggregation functionality beyond just "sum"
TaxonomyFacetSumValueSource(String, TaxonomyReader, FacetsConfig, FacetsCollector, DoubleValuesSource) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumValueSource
  Deprecated.
  Aggregates double facet values from the provided `DoubleValuesSource`, pulling ordinals from the specified indexed facet field.
TaxonomyFacetSumValueSource(OrdinalsReader, TaxonomyReader, FacetsConfig, FacetsCollector, DoubleValuesSource) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumValueSource
  Deprecated.
  Custom binary encodings for taxonomy ordinals are no longer supported starting with Lucene 9
TaxonomyFacetSumValueSource(TaxonomyReader, FacetsConfig, FacetsCollector, DoubleValuesSource) - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyFacetSumValueSource
  Deprecated.
  Aggregates double facet values from the provided `DoubleValuesSource`, pulling ordinals from the default indexed facet field `FacetsConfig.DEFAULT_INDEX_FIELD_NAME`.
TaxonomyMergeUtils - Class in org.apache.lucene.facet.taxonomy
  Utility methods for merging index and taxonomy directories.
taxonomyReader - Variable in class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager.SearcherAndTaxonomy
  Matching point-in-time `DirectoryTaxonomyReader`.
TaxonomyReader - Class in org.apache.lucene.facet.taxonomy
  TaxonomyReader is the read-only interface with which the faceted-search library uses the taxonomy during search time.
TaxonomyReader() - Constructor for class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Sole constructor.
TaxonomyReader.ChildrenIterator - Class in org.apache.lucene.facet.taxonomy
  An iterator over a category's children.
TaxonomyWriter - Interface in org.apache.lucene.facet.taxonomy
  TaxonomyWriter is the interface which the faceted-search library uses to dynamically build the taxonomy at indexing time.
TaxonomyWriterCache - Interface in org.apache.lucene.facet.taxonomy.writercache
  TaxonomyWriterCache is a relatively simple interface for a cache of category->ordinal mappings, used in TaxonomyWriter implementations (such as `DirectoryTaxonomyWriter`).
taxoReader - Variable in class org.apache.lucene.facet.DrillSideways
  `TaxonomyReader` passed to constructor.
taxoReader - Variable in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  `TaxonomyReader` provided to the constructor.
term(String, String, String...) - Static method in class org.apache.lucene.facet.DrillDownQuery
  Creates a drill-down term.
toMultiDoubleValuesSource() - Method in class org.apache.lucene.facet.MultiLongValuesSource
  Convert to a MultiDoubleValuesSource by casting long values to doubles
toMultiLongValuesSource() - Method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Convert to a MultiLongValuesSource by casting the double values to longs
TopOrdAndFloatQueue - Class in org.apache.lucene.facet
  Keeps highest results, first by largest float value, then tie break by smallest ord.
TopOrdAndFloatQueue(int) - Constructor for class org.apache.lucene.facet.TopOrdAndFloatQueue
  Sole constructor.
TopOrdAndFloatQueue.OrdAndValue - Class in org.apache.lucene.facet
  Holds a single entry.
TopOrdAndIntQueue - Class in org.apache.lucene.facet
  Keeps highest results, first by largest int value, then tie break by smallest ord.
TopOrdAndIntQueue(int) - Constructor for class org.apache.lucene.facet.TopOrdAndIntQueue
  Sole constructor.
TopOrdAndIntQueue.OrdAndValue - Class in org.apache.lucene.facet
  Holds a single entry.
toString() - Method in class org.apache.lucene.facet.FacetField
toString() - Method in class org.apache.lucene.facet.FacetResult
toString() - Method in class org.apache.lucene.facet.LabelAndValue
toString() - Method in class org.apache.lucene.facet.LongValueFacetCounts
toString() - Method in class org.apache.lucene.facet.MultiDoubleValuesSource
toString() - Method in class org.apache.lucene.facet.MultiLongValuesSource
toString() - Method in class org.apache.lucene.facet.range.DoubleRange
toString() - Method in class org.apache.lucene.facet.range.LongRange
toString() - Method in class org.apache.lucene.facet.rangeonrange.DoubleRange
toString() - Method in class org.apache.lucene.facet.rangeonrange.LongRange
toString() - Method in class org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
toString() - Method in class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
toString() - Method in class org.apache.lucene.facet.StringDocValuesReaderState
toString() - Method in class org.apache.lucene.facet.taxonomy.AssociationFacetField
toString() - Method in class org.apache.lucene.facet.taxonomy.FacetLabel
  Returns a string representation of the path.
toString() - Method in class org.apache.lucene.facet.taxonomy.FloatAssociationFacetField
toString() - Method in class org.apache.lucene.facet.taxonomy.IntAssociationFacetField
toString(int) - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader
  Returns ordinal -> label mapping, up to the provided max ordinal or number of ordinals, whichever is smaller.
toString(String) - Method in class org.apache.lucene.facet.DrillDownQuery
totalHits - Variable in class org.apache.lucene.facet.FacetsCollector.MatchingDocs
  Total number of hits
tryIncRef() - Method in class org.apache.lucene.facet.taxonomy.TaxonomyReader
  Expert: increments the refCount of this TaxonomyReader instance only if it has not been closed yet.
tryIncRef(SearcherTaxonomyManager.SearcherAndTaxonomy) - Method in class org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
TYPE - Static variable in class org.apache.lucene.facet.FacetField
  Field type used for storing facet values.
TYPE - Static variable in class org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
  Indexed `FieldType`.
TYPE - Static variable in class org.apache.lucene.facet.taxonomy.AssociationFacetField
  Indexed `FieldType`.

## U

unwrapSingleton(MultiDoubleValuesSource) - Static method in class org.apache.lucene.facet.MultiDoubleValuesSource
  Returns a single-valued view of the `MultiDoubleValuesSource` if it was previously wrapped with `MultiDoubleValuesSource.fromSingleValued(DoubleValuesSource)`, or null.
unwrapSingleton(MultiLongValuesSource) - Static method in class org.apache.lucene.facet.MultiLongValuesSource
  Returns a single-valued view of the `MultiLongValuesSource` if it was previously wrapped with `MultiLongValuesSource.fromSingleValued(LongValuesSource)`, or null.
useHashTable(FacetsCollector, TaxonomyReader) - Method in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Return true if a sparse hash table should be used for counting, instead of a dense int[].
useNumericDocValuesForOrdinals() - Method in class org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter
useNumericDocValuesForOrdinals() - Method in interface org.apache.lucene.facet.taxonomy.TaxonomyWriter
  Deprecated.
  Please don't rely on this method as it will be removed in Lucene 10. It's being introduced to support backwards-compatibility with Lucene 8 and earlier index formats temporarily.
UTF8TaxonomyWriterCache - Class in org.apache.lucene.facet.taxonomy.writercache
  Deprecated.
  Use `LruTaxonomyWriterCache` instead.
UTF8TaxonomyWriterCache() - Constructor for class org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache
  Deprecated.
  Sole constructor.

## V

validateTopN(int) - Static method in class org.apache.lucene.facet.Facets
  This helper method checks if topN is valid for getTopChildren and getAllDims.
value - Variable in class org.apache.lucene.facet.FacetResult
  Total number of documents containing a value for this path, even those not included in the topN.
value - Variable in class org.apache.lucene.facet.LabelAndValue
  Value associated with this label.
value - Variable in class org.apache.lucene.facet.TopOrdAndFloatQueue.OrdAndValue
  Value associated with the ordinal.
value - Variable in class org.apache.lucene.facet.TopOrdAndIntQueue.OrdAndValue
  Value associated with the ordinal.
valueOf(String) - Static method in enum org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache.LRUType
  Returns the enum constant of this type with the specified name.
values - Variable in class org.apache.lucene.facet.facetset.DoubleFacetSet
  The raw dimension values of this facet set.
values - Variable in class org.apache.lucene.facet.facetset.FloatFacetSet
  The raw dimension values of this facet set.
values - Variable in class org.apache.lucene.facet.facetset.IntFacetSet
  The raw dimension values of this facet set.
values - Variable in class org.apache.lucene.facet.facetset.LongFacetSet
  The raw dimension values of this facet set.
values - Variable in class org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
  Deprecated.
  Per-ordinal value.
values - Variable in class org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
  Deprecated.
  Dense ordinal values.
values() - Static method in enum org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
  Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache.LRUType
  Returns an array containing the constants of this enum type, in the order they are declared.
verifyDim(String) - Method in class org.apache.lucene.facet.taxonomy.TaxonomyFacets
  Deprecated.
  Verifies and returns `FacetsConfig.DimConfig` for the given dimension name.
verifyLabel(String) - Static method in class org.apache.lucene.facet.FacetField
  Verifies the label is not null or empty string.
visit(QueryVisitor) - Method in class org.apache.lucene.facet.DrillDownQuery

## W

wrap(BinaryDocValues, BiConsumer<BytesRef, IntsRef>) - Static method in class org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  Deprecated.
  Wrap the provided binary encoded doc values.

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