程序包org.apache.hadoop.fs的分层结构

程序包分层结构:

• 所有程序包

类分层结构

• java.lang.Object
  • org.apache.hadoop.fs.BlockLocation (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.fs.CommonConfigurationKeys
  • org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    • org.apache.hadoop.fs.FileSystem (implements java.io.Closeable)
      • org.apache.hadoop.fs.FilterFileSystem
        • org.apache.hadoop.fs.ChecksumFileSystem
          • org.apache.hadoop.fs.InMemoryFileSystem
          • org.apache.hadoop.fs.LocalFileSystem
        • org.apache.hadoop.fs.HarFileSystem
      • org.apache.hadoop.fs.RawLocalFileSystem
    • org.apache.hadoop.fs.FsShell (implements org.apache.hadoop.util.Tool)
    • org.apache.hadoop.fs.Trash
  • org.apache.hadoop.fs.ContentSummary (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.fs.FileChecksum (implements org.apache.hadoop.io.Writable)
    • org.apache.hadoop.fs.MD5MD5CRC32FileChecksum
  • org.apache.hadoop.fs.FileStatus (implements java.lang.Comparable<T>, org.apache.hadoop.io.Writable)
  • org.apache.hadoop.fs.FileSystem.Statistics
  • org.apache.hadoop.fs.FileUtil
  • org.apache.hadoop.fs.FsUrlStreamHandlerFactory (implements java.net.URLStreamHandlerFactory)
  • org.apache.hadoop.fs.GlobPattern
  • org.apache.hadoop.fs.HardLink
  • org.apache.hadoop.fs.HardLink.LinkStats
  • java.io.InputStream (implements java.io.Closeable)
    • java.io.FilterInputStream
      • java.io.BufferedInputStream
        • org.apache.hadoop.fs.BufferedFSInputStream (implements org.apache.hadoop.fs.HasFileDescriptor, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable)
      • java.io.DataInputStream (implements java.io.DataInput)
        • org.apache.hadoop.fs.FSDataInputStream (implements java.io.Closeable, org.apache.hadoop.fs.HasFileDescriptor, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable)
    • org.apache.hadoop.fs.FSInputStream (implements org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable)
      • org.apache.hadoop.fs.FSInputChecker
  • org.apache.hadoop.fs.LocalDirAllocator
  • 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.Syncable)
    • org.apache.hadoop.fs.FSOutputSummer
  • org.apache.hadoop.fs.Path (implements java.lang.Comparable<T>)
  • org.apache.hadoop.util.Shell
    • org.apache.hadoop.fs.DF
    • org.apache.hadoop.fs.DU
  • 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

接口分层结构

• org.apache.hadoop.fs.HasFileDescriptor
• org.apache.hadoop.fs.PathFilter
• org.apache.hadoop.fs.PositionedReadable
• org.apache.hadoop.fs.Seekable
• org.apache.hadoop.fs.Syncable

枚举分层结构

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    • org.apache.hadoop.fs.HardLink.OSType