# Hierarchy For Package org.apache.hadoop.fs

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.fs.AbstractFileSystem (implements org.apache.hadoop.fs.PathCapabilities)
    - org.apache.hadoop.fs.DelegateToFileSystem
      - org.apache.hadoop.fs.SWebHdfs
      - org.apache.hadoop.fs.WebHdfs
  - org.apache.hadoop.fs.AvroFSInput (implements java.io.Closeable, org.apache.avro.file.SeekableInput)
  - org.apache.hadoop.fs.BlockLocation (implements java.io.Serializable)
  - org.apache.hadoop.fs.CommonConfigurationKeysPublic
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.hadoop.fs.FileSystem (implements java.io.Closeable, org.apache.hadoop.security.token.DelegationTokenIssuer, org.apache.hadoop.fs.PathCapabilities)
      - org.apache.hadoop.fs.FilterFileSystem
        - org.apache.hadoop.fs.ChecksumFileSystem
          - org.apache.hadoop.fs.LocalFileSystem
      - org.apache.hadoop.fs.RawLocalFileSystem
    - org.apache.hadoop.fs.Trash
    - org.apache.hadoop.fs.TrashPolicy
  - org.apache.hadoop.fs.FileChecksum (implements org.apache.hadoop.io.Writable)
  - org.apache.hadoop.fs.FileContext (implements org.apache.hadoop.fs.PathCapabilities)
  - org.apache.hadoop.fs.FileStatus (implements java.lang.Comparable<T>, java.io.ObjectInputValidation, java.io.Serializable, org.apache.hadoop.io.Writable)
    - org.apache.hadoop.fs.LocatedFileStatus
  - org.apache.hadoop.fs.FileUtil
  - org.apache.hadoop.fs.FSDataOutputStreamBuilder<S,B>
  - org.apache.hadoop.fs.FsServerDefaults (implements org.apache.hadoop.io.Writable)
  - org.apache.hadoop.fs.FsStatus (implements org.apache.hadoop.io.Writable)
  - org.apache.hadoop.fs.GlobFilter (implements org.apache.hadoop.fs.PathFilter)
  - java.io.InputStream (implements java.io.Closeable)
    - java.io.FilterInputStream
      - java.io.DataInputStream (implements java.io.DataInput)
        - org.apache.hadoop.fs.FSDataInputStream (implements org.apache.hadoop.fs.ByteBufferReadable, org.apache.hadoop.fs.CanSetDropBehind, org.apache.hadoop.fs.CanSetReadahead, org.apache.hadoop.fs.CanUnbuffer, org.apache.hadoop.fs.HasEnhancedByteBufferAccess, org.apache.hadoop.fs.HasFileDescriptor, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable, org.apache.hadoop.fs.StreamCapabilities)
    - org.apache.hadoop.fs.FSInputStream (implements org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable)
  - org.apache.hadoop.fs.Options
  - java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    - java.io.FilterOutputStream
      - java.io.DataOutputStream (implements java.io.DataOutput)
        - org.apache.hadoop.fs.FSDataOutputStream (implements org.apache.hadoop.fs.CanSetDropBehind, org.apache.hadoop.fs.StreamCapabilities, org.apache.hadoop.fs.Syncable)
  - org.apache.hadoop.fs.Path (implements java.lang.Comparable<T>, java.io.ObjectInputValidation, java.io.Serializable)
  - org.apache.hadoop.fs.QuotaUsage
    - org.apache.hadoop.fs.ContentSummary (implements org.apache.hadoop.io.Writable)
  - org.apache.hadoop.fs.StorageStatistics
  - org.apache.hadoop.fs.StreamCapabilitiesPolicy
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Error
      - org.apache.hadoop.fs.FSError
    - java.lang.Exception
      - java.io.IOException
        - org.apache.hadoop.fs.ChecksumException
        - org.apache.hadoop.fs.FileAlreadyExistsException
        - org.apache.hadoop.fs.InvalidPathHandleException
        - org.apache.hadoop.fs.ParentNotDirectoryException
        - org.apache.hadoop.fs.UnsupportedFileSystemException
        - org.apache.hadoop.fs.UnsupportedMultipartUploaderException
      - java.lang.RuntimeException
        - java.lang.IllegalArgumentException
          - org.apache.hadoop.HadoopIllegalArgumentException
            - org.apache.hadoop.fs.InvalidPathException

## Interface Hierarchy

- org.apache.hadoop.fs.BlockStoragePolicySpi
- org.apache.hadoop.fs.ByteBufferReadable
- org.apache.hadoop.fs.CanSetDropBehind
- org.apache.hadoop.fs.CanSetReadahead
- org.apache.hadoop.fs.CanUnbuffer
- org.apache.hadoop.fs.FsConstants
- org.apache.hadoop.fs.PathFilter
- org.apache.hadoop.fs.PositionedReadable
- org.apache.hadoop.fs.Seekable
- java.io.Serializable
  - org.apache.hadoop.fs.PartHandle
  - org.apache.hadoop.fs.PathHandle
  - org.apache.hadoop.fs.UploadHandle
- org.apache.hadoop.fs.StreamCapabilities
- org.apache.hadoop.fs.Syncable

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.hadoop.fs.CacheFlag
    - org.apache.hadoop.fs.CreateFlag
    - org.apache.hadoop.fs.GlobalStorageStatistics
    - org.apache.hadoop.fs.ReadOption
    - org.apache.hadoop.fs.StorageType
    - org.apache.hadoop.fs.XAttrCodec
    - org.apache.hadoop.fs.XAttrSetFlag

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