Package org.apache.hadoop.hdfs.server.namenode

Enum Class FSEditLogOpCodes

java.lang.Object
java.lang.Enum<FSEditLogOpCodes>
org.apache.hadoop.hdfs.server.namenode.FSEditLogOpCodes
All Implemented Interfaces:
Serializable, Comparable<FSEditLogOpCodes>, Constable
@Private @Unstable public enum FSEditLogOpCodes extends Enum<FSEditLogOpCodes>
Op codes for edits file

  • Enum Constant Details

  • Method Details

    • values

      public static FSEditLogOpCodes[] values()
      Returns an array containing the constants of this enum class, in the order they are declared.
      Returns:
      an array containing the constants of this enum class, in the order they are declared

    • valueOf

      public static FSEditLogOpCodes valueOf(String name)
      Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)
      Parameters:
      name - the name of the enum constant to be returned.
      Returns:
      the enum constant with the specified name
      Throws:
      IllegalArgumentException - if this enum class has no constant with the specified name
      NullPointerException - if the argument is null

    • getOpCode

      public byte getOpCode()
      return the byte value of the enum
      Returns:
      the byte value of the enum

    • getOpClass

      public Class<? extends FSEditLogOp> getOpClass()

    • fromByte

      public static FSEditLogOpCodes fromByte(byte opCode)
      Converts byte to FSEditLogOpCodes enum value
      Parameters:
      opCode - get enum for this opCode
      Returns:
      enum with byte value of opCode