# Hierarchy For Package org.apache.lucene.index

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.index.BinaryDocValues
    - org.apache.lucene.index.SortedDocValues
      - org.apache.lucene.index.MultiDocValues.MultiSortedDocValues
  - org.apache.lucene.index.CheckIndex
  - org.apache.lucene.index.CheckIndex.Status
  - org.apache.lucene.index.CheckIndex.Status.DocValuesStatus
  - org.apache.lucene.index.CheckIndex.Status.FieldNormStatus
  - org.apache.lucene.index.CheckIndex.Status.SegmentInfoStatus
  - org.apache.lucene.index.CheckIndex.Status.StoredFieldStatus
  - org.apache.lucene.index.CheckIndex.Status.TermIndexStatus
  - org.apache.lucene.index.CheckIndex.Status.TermVectorStatus
  - org.apache.lucene.search.DocIdSetIterator
    - org.apache.lucene.index.DocsEnum
      - org.apache.lucene.index.DocsAndPositionsEnum
        - org.apache.lucene.index.FilterAtomicReader.FilterDocsAndPositionsEnum
        - org.apache.lucene.index.MultiDocsAndPositionsEnum
      - org.apache.lucene.index.FilterAtomicReader.FilterDocsEnum
      - org.apache.lucene.index.MultiDocsEnum
  - org.apache.lucene.index.DocTermOrds
  - org.apache.lucene.index.FieldInfo
  - org.apache.lucene.index.FieldInfos (implements java.lang.Iterable<T>)
  - org.apache.lucene.index.FieldInvertState
  - org.apache.lucene.index.Fields (implements java.lang.Iterable<T>)
    - org.apache.lucene.index.FilterAtomicReader.FilterFields
    - org.apache.lucene.index.MultiFields
  - org.apache.lucene.index.IndexCommit (implements java.lang.Comparable<T>)
    - org.apache.lucene.index.SnapshotDeletionPolicy.SnapshotCommitPoint
  - org.apache.lucene.index.IndexFileNames
  - org.apache.lucene.index.IndexReader (implements java.io.Closeable)
    - org.apache.lucene.index.AtomicReader
      - org.apache.lucene.index.FilterAtomicReader
      - org.apache.lucene.index.ParallelAtomicReader
      - org.apache.lucene.index.SegmentReader
      - org.apache.lucene.index.SlowCompositeReaderWrapper
    - org.apache.lucene.index.CompositeReader
      - org.apache.lucene.index.BaseCompositeReader<R>
        - org.apache.lucene.index.DirectoryReader
        - org.apache.lucene.index.MultiReader
        - org.apache.lucene.index.ParallelCompositeReader
  - org.apache.lucene.index.IndexReaderContext
    - org.apache.lucene.index.AtomicReaderContext
    - org.apache.lucene.index.CompositeReaderContext
  - org.apache.lucene.index.IndexUpgrader
  - org.apache.lucene.index.IndexWriter (implements java.io.Closeable, org.apache.lucene.index.TwoPhaseCommit)
  - org.apache.lucene.index.IndexWriter.IndexReaderWarmer
  - org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy (implements org.apache.lucene.index.IndexDeletionPolicy)
  - org.apache.lucene.index.LiveIndexWriterConfig
    - org.apache.lucene.index.IndexWriterConfig (implements java.lang.Cloneable)
  - org.apache.lucene.index.MergePolicy (implements java.lang.Cloneable, java.io.Closeable)
    - org.apache.lucene.index.LogMergePolicy
      - org.apache.lucene.index.LogByteSizeMergePolicy
      - org.apache.lucene.index.LogDocMergePolicy
    - org.apache.lucene.index.NoMergePolicy
    - org.apache.lucene.index.TieredMergePolicy
    - org.apache.lucene.index.UpgradeIndexMergePolicy
  - org.apache.lucene.index.MergePolicy.MergeSpecification
  - org.apache.lucene.index.MergePolicy.OneMerge
  - org.apache.lucene.index.MergeScheduler (implements java.io.Closeable)
    - org.apache.lucene.index.ConcurrentMergeScheduler
    - org.apache.lucene.index.NoMergeScheduler
    - org.apache.lucene.index.SerialMergeScheduler
  - org.apache.lucene.index.MergeState
  - org.apache.lucene.index.MergeState.CheckAbort
  - org.apache.lucene.index.MergeState.DocMap
  - org.apache.lucene.index.MultiDocsAndPositionsEnum.EnumWithSlice
  - org.apache.lucene.index.MultiDocsEnum.EnumWithSlice
  - org.apache.lucene.index.MultiDocValues
  - org.apache.lucene.index.MultiDocValues.OrdinalMap
  - org.apache.lucene.index.NoDeletionPolicy (implements org.apache.lucene.index.IndexDeletionPolicy)
  - org.apache.lucene.index.NumericDocValues
  - org.apache.lucene.index.ReaderSlice
  - org.apache.lucene.index.ReaderUtil
  - org.apache.lucene.search.ReferenceManager<G> (implements java.io.Closeable)
    - org.apache.lucene.index.ReaderManager
  - org.apache.lucene.index.SegmentInfo
  - org.apache.lucene.index.SegmentInfoPerCommit
  - org.apache.lucene.index.SegmentInfos (implements java.lang.Cloneable, java.lang.Iterable<T>)
  - org.apache.lucene.index.SegmentInfos.FindSegmentsFile
  - org.apache.lucene.index.SegmentReadState
  - org.apache.lucene.index.SegmentWriteState
  - org.apache.lucene.index.SnapshotDeletionPolicy (implements org.apache.lucene.index.IndexDeletionPolicy)
    - org.apache.lucene.index.PersistentSnapshotDeletionPolicy
  - org.apache.lucene.index.SortedSetDocValues
    - org.apache.lucene.index.MultiDocValues.MultiSortedSetDocValues
    - org.apache.lucene.index.SingletonSortedSetDocValues
  - org.apache.lucene.index.StoredFieldVisitor
  - org.apache.lucene.index.Term (implements java.lang.Comparable<T>)
  - org.apache.lucene.index.TermContext
  - org.apache.lucene.index.Terms
    - org.apache.lucene.index.FilterAtomicReader.FilterTerms
    - org.apache.lucene.index.MultiTerms
  - org.apache.lucene.index.TermsEnum (implements org.apache.lucene.util.BytesRefIterator)
    - org.apache.lucene.index.FilterAtomicReader.FilterTermsEnum
    - org.apache.lucene.index.FilteredTermsEnum
      - org.apache.lucene.index.SingleTermsEnum
    - org.apache.lucene.index.MultiTermsEnum
    - org.apache.lucene.index.SortedDocValuesTermsEnum
    - org.apache.lucene.index.SortedSetDocValuesTermsEnum
  - org.apache.lucene.index.TermState (implements java.lang.Cloneable)
    - org.apache.lucene.index.OrdTermState
  - java.lang.Thread (implements java.lang.Runnable)
    - org.apache.lucene.index.ConcurrentMergeScheduler.MergeThread
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.io.IOException
        - org.apache.lucene.index.CorruptIndexException
          - org.apache.lucene.index.IndexFormatTooNewException
          - org.apache.lucene.index.IndexFormatTooOldException
        - java.io.FileNotFoundException
          - org.apache.lucene.index.IndexNotFoundException
        - org.apache.lucene.index.MergePolicy.MergeAbortedException
        - org.apache.lucene.index.TwoPhaseCommitTool.CommitFailException
        - org.apache.lucene.index.TwoPhaseCommitTool.PrepareCommitFailException
      - java.lang.RuntimeException
        - org.apache.lucene.index.MergePolicy.MergeException
  - org.apache.lucene.index.TieredMergePolicy.MergeScore
  - org.apache.lucene.index.TwoPhaseCommitTool

## Interface Hierarchy

- org.apache.lucene.index.IndexableField
- org.apache.lucene.index.IndexableFieldType
- org.apache.lucene.index.IndexDeletionPolicy
- org.apache.lucene.index.IndexReader.ReaderClosedListener
- org.apache.lucene.index.SegmentReader.CoreClosedListener
- org.apache.lucene.index.TwoPhaseCommit

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.lucene.index.TermsEnum.SeekStatus
    - org.apache.lucene.index.StoredFieldVisitor.Status
    - org.apache.lucene.index.MergePolicy.MergeTrigger
    - org.apache.lucene.index.IndexWriterConfig.OpenMode
    - org.apache.lucene.index.FilteredTermsEnum.AcceptStatus
    - org.apache.lucene.index.FieldInfo.IndexOptions
    - org.apache.lucene.index.FieldInfo.DocValuesType

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