程序包org.apache.hadoop.hdfs.protocol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.hdfs.protocol.Block (implements java.lang.Comparable<T>, org.apache.hadoop.io.Writable)
  • org.apache.hadoop.hdfs.protocol.BlockListAsLongs
  • org.apache.hadoop.hdfs.protocol.BlockLocalPathInfo (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.hdfs.protocol.DatanodeID (implements org.apache.hadoop.io.WritableComparable<T>)
    • org.apache.hadoop.hdfs.protocol.DatanodeInfo (implements org.apache.hadoop.net.Node)
  • org.apache.hadoop.hdfs.protocol.DataTransferProtocol.PipelineAck (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.hdfs.protocol.DirectoryListing (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.hdfs.protocol.HdfsFileStatus (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.hdfs.protocol.LayoutVersion
  • org.apache.hadoop.hdfs.protocol.LocatedBlock (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.hdfs.protocol.LocatedBlocks (implements org.apache.hadoop.io.Writable)
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • java.io.IOException
        • org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException
        • org.apache.hadoop.hdfs.protocol.QuotaExceededException
          • org.apache.hadoop.hdfs.protocol.DSQuotaExceededException
          • org.apache.hadoop.hdfs.protocol.NSQuotaExceededException
        • org.apache.hadoop.hdfs.protocol.UnregisteredDatanodeException

接口分层结构

• org.apache.hadoop.hdfs.protocol.DataTransferProtocol
• org.apache.hadoop.hdfs.protocol.FSConstants
• org.apache.hadoop.ipc.VersionedProtocol
  • org.apache.hadoop.hdfs.protocol.ClientDatanodeProtocol
  • org.apache.hadoop.hdfs.protocol.ClientProtocol

枚举分层结构

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    • org.apache.hadoop.hdfs.protocol.LayoutVersion.Feature
    • org.apache.hadoop.hdfs.protocol.FSConstants.SafeModeAction
    • org.apache.hadoop.hdfs.protocol.FSConstants.DatanodeReportType
    • org.apache.hadoop.hdfs.protocol.FSConstants.UpgradeAction
    • org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates