# Hierarchy For All Packages

Package Hierarchies:

- org.apache.lucene.facet,
- org.apache.lucene.facet.facetset,
- org.apache.lucene.facet.range,
- org.apache.lucene.facet.rangeonrange,
- org.apache.lucene.facet.sortedset,
- org.apache.lucene.facet.taxonomy,
- org.apache.lucene.facet.taxonomy.directory,
- org.apache.lucene.facet.taxonomy.writercache

## Class Hierarchy

- java.lang.Object
  - java.util.AbstractMap<K,​V> (implements java.util.Map<K,​V>)
    - java.util.HashMap<K,​V> (implements java.lang.Cloneable, java.util.Map<K,​V>, java.io.Serializable)
      - java.util.LinkedHashMap<K,​V> (implements java.util.Map<K,​V>)
        - org.apache.lucene.facet.taxonomy.LRUHashMap<K,​V>
  - org.apache.lucene.facet.taxonomy.AssociationAggregationFunction
  - org.apache.lucene.facet.taxonomy.CachedOrdinalsReader.CachedOrds (implements org.apache.lucene.util.Accountable)
  - org.apache.lucene.facet.facetset.DimRange
  - org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter (implements org.apache.lucene.facet.taxonomy.TaxonomyWriter)
    - org.apache.lucene.facet.taxonomy.directory.ReindexingEnrichedDirectoryTaxonomyWriter
  - org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.DiskOrdinalMap (implements org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap)
  - org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap (implements org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap)
  - org.apache.lucene.search.DocIdSetIterator
    - org.apache.lucene.index.SortedNumericDocValues
      - org.apache.lucene.facet.taxonomy.BackCompatSortedNumericDocValues
  - org.apache.lucene.facet.DrillSideways
  - org.apache.lucene.facet.DrillSideways.DrillSidewaysResult
    - org.apache.lucene.facet.DrillSideways.ConcurrentDrillSidewaysResult<R>
  - org.apache.lucene.facet.taxonomy.FacetLabel (implements java.lang.Comparable<T>)
  - org.apache.lucene.facet.FacetResult
  - org.apache.lucene.facet.Facets
    - org.apache.lucene.facet.sortedset.ConcurrentSortedSetDocValuesFacetCounts
    - org.apache.lucene.facet.FacetCountsWithFilterQuery
      - org.apache.lucene.facet.range.DoubleRangeFacetCounts
      - org.apache.lucene.facet.rangeonrange.DoubleRangeOnRangeFacetCounts
      - org.apache.lucene.facet.range.LongRangeFacetCounts
      - org.apache.lucene.facet.rangeonrange.LongRangeOnRangeFacetCounts
      - org.apache.lucene.facet.facetset.MatchingFacetSetsCounts
    - org.apache.lucene.facet.LongValueFacetCounts
    - org.apache.lucene.facet.MultiFacets
    - org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts
    - org.apache.lucene.facet.StringValueFacetCounts
    - org.apache.lucene.facet.taxonomy.TaxonomyFacets
      - org.apache.lucene.facet.taxonomy.FloatTaxonomyFacets
        - org.apache.lucene.facet.taxonomy.TaxonomyFacetFloatAssociations
          - org.apache.lucene.facet.taxonomy.TaxonomyFacetSumFloatAssociations
          - org.apache.lucene.facet.taxonomy.TaxonomyFacetSumValueSource
      - org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
        - org.apache.lucene.facet.taxonomy.FastTaxonomyFacetCounts
        - org.apache.lucene.facet.taxonomy.TaxonomyFacetCounts
        - org.apache.lucene.facet.taxonomy.TaxonomyFacetIntAssociations
          - org.apache.lucene.facet.taxonomy.TaxonomyFacetSumIntAssociations
  - org.apache.lucene.facet.FacetsCollector.MatchingDocs
  - org.apache.lucene.facet.FacetsCollectorManager (implements org.apache.lucene.search.CollectorManager<C,​T>)
  - org.apache.lucene.facet.FacetsConfig
  - org.apache.lucene.facet.FacetsConfig.DimConfig
  - org.apache.lucene.facet.facetset.FacetSet
    - org.apache.lucene.facet.facetset.DoubleFacetSet
    - org.apache.lucene.facet.facetset.FloatFacetSet
    - org.apache.lucene.facet.facetset.IntFacetSet
    - org.apache.lucene.facet.facetset.LongFacetSet
  - org.apache.lucene.facet.facetset.FacetSetMatcher
    - org.apache.lucene.facet.facetset.ExactFacetSetMatcher
    - org.apache.lucene.facet.facetset.RangeFacetSetMatcher
  - org.apache.lucene.facet.FacetUtils
  - org.apache.lucene.document.Field (implements org.apache.lucene.index.IndexableField)
    - org.apache.lucene.facet.taxonomy.AssociationFacetField
      - org.apache.lucene.facet.taxonomy.FloatAssociationFacetField
      - org.apache.lucene.facet.taxonomy.IntAssociationFacetField
    - org.apache.lucene.document.BinaryDocValuesField
      - org.apache.lucene.facet.facetset.FacetSetsField
    - org.apache.lucene.facet.FacetField
    - org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetField
  - org.apache.lucene.index.IndexReader (implements java.io.Closeable)
    - org.apache.lucene.index.LeafReader
      - org.apache.lucene.index.FilterLeafReader
        - org.apache.lucene.facet.taxonomy.OrdinalMappingLeafReader
  - org.apache.lucene.facet.LabelAndValue
  - org.apache.lucene.facet.taxonomy.writercache.LabelToOrdinal
  - org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache (implements org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache)
  - org.apache.lucene.facet.MultiDoubleValues
  - org.apache.lucene.facet.MultiDoubleValuesSource (implements org.apache.lucene.search.SegmentCacheable)
  - org.apache.lucene.facet.MultiLongValues
  - org.apache.lucene.facet.MultiLongValuesSource (implements org.apache.lucene.search.SegmentCacheable)
  - org.apache.lucene.facet.taxonomy.writercache.NameHashIntCacheLRU
  - org.apache.lucene.facet.taxonomy.OrdinalsReader
    - org.apache.lucene.facet.taxonomy.CachedOrdinalsReader (implements org.apache.lucene.util.Accountable)
    - org.apache.lucene.facet.taxonomy.DocValuesOrdinalsReader
  - org.apache.lucene.facet.taxonomy.OrdinalsReader.OrdinalsSegmentReader
  - org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays
  - org.apache.lucene.facet.taxonomy.ParallelTaxonomyArrays.IntArray
  - org.apache.lucene.facet.taxonomy.PrintTaxonomyStats
  - org.apache.lucene.util.PriorityQueue<T> (implements java.lang.Iterable<T>)
    - org.apache.lucene.facet.TopOrdAndFloatQueue
    - org.apache.lucene.facet.TopOrdAndIntQueue
  - org.apache.lucene.search.Query
    - org.apache.lucene.facet.DrillDownQuery
    - org.apache.lucene.search.MultiTermQuery
      - org.apache.lucene.search.TermInSetQuery (implements org.apache.lucene.util.Accountable)
        - org.apache.lucene.facet.MultiFacetQuery
    - org.apache.lucene.search.TermQuery
      - org.apache.lucene.facet.FacetQuery
  - org.apache.lucene.facet.range.Range
    - org.apache.lucene.facet.range.DoubleRange
    - org.apache.lucene.facet.range.LongRange
  - org.apache.lucene.facet.rangeonrange.Range
    - org.apache.lucene.facet.rangeonrange.DoubleRange
    - org.apache.lucene.facet.rangeonrange.LongRange
  - org.apache.lucene.search.ReferenceManager<G> (implements java.io.Closeable)
    - org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager
  - org.apache.lucene.facet.taxonomy.SearcherTaxonomyManager.SearcherAndTaxonomy
  - org.apache.lucene.search.SimpleCollector (implements org.apache.lucene.search.Collector, org.apache.lucene.search.LeafCollector)
    - org.apache.lucene.facet.FacetsCollector
      - org.apache.lucene.facet.RandomSamplingFacetsCollector
  - org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState (implements org.apache.lucene.util.Accountable)
    - org.apache.lucene.facet.sortedset.DefaultSortedSetDocValuesReaderState
  - org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.DimTree
  - org.apache.lucene.facet.sortedset.SortedSetDocValuesReaderState.OrdRange
  - org.apache.lucene.facet.StringDocValuesReaderState
  - org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels
  - org.apache.lucene.facet.taxonomy.TaxonomyFacetLabels.FacetLabelReader
  - org.apache.lucene.facet.taxonomy.TaxonomyMergeUtils
  - org.apache.lucene.facet.taxonomy.TaxonomyReader (implements java.io.Closeable)
    - org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader (implements org.apache.lucene.util.Accountable)
  - org.apache.lucene.facet.taxonomy.TaxonomyReader.ChildrenIterator
  - org.apache.lucene.facet.TopOrdAndFloatQueue.OrdAndValue
  - org.apache.lucene.facet.TopOrdAndIntQueue.OrdAndValue
  - org.apache.lucene.facet.taxonomy.writercache.UTF8TaxonomyWriterCache (implements org.apache.lucene.util.Accountable, org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache)

## Interface Hierarchy

- java.lang.AutoCloseable
  - java.io.Closeable
    - org.apache.lucene.facet.taxonomy.TaxonomyWriter (also extends org.apache.lucene.index.TwoPhaseCommit)
- org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.OrdinalMap
- org.apache.lucene.facet.facetset.FacetSetDecoder
- org.apache.lucene.facet.taxonomy.writercache.TaxonomyWriterCache
- org.apache.lucene.index.TwoPhaseCommit
  - org.apache.lucene.facet.taxonomy.TaxonomyWriter (also extends java.io.Closeable)

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.lucene.facet.FacetsConfig.DrillDownTermsIndexing
    - org.apache.lucene.facet.taxonomy.writercache.LruTaxonomyWriterCache.LRUType