Package org.apache.hadoop.fs.permission

Enum Class FsAction

java.lang.Object
java.lang.Enum<FsAction>
org.apache.hadoop.fs.permission.FsAction
All Implemented Interfaces:
Serializable, Comparable<FsAction>, Constable
@Public @Stable public enum FsAction extends Enum<FsAction>
File system actions, e.g. read, write, etc.

  • Enum Constant Details

    • NONE

      public static final FsAction NONE

    • EXECUTE

      public static final FsAction EXECUTE

    • WRITE

      public static final FsAction WRITE

    • WRITE_EXECUTE

      public static final FsAction WRITE_EXECUTE

    • READ

      public static final FsAction READ

    • READ_EXECUTE

      public static final FsAction READ_EXECUTE

    • READ_WRITE

      public static final FsAction READ_WRITE

    • ALL

      public static final FsAction ALL

  • Field Details

    • SYMBOL

      public final String SYMBOL
      Symbolic representation

  • Method Details

    • values

      public static FsAction[] 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 FsAction 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

    • implies

      public boolean implies(FsAction that)
      Return true if this action implies that action.
      Parameters:
      that - FsAction that.
      Returns:
      if implies true,not false.

    • and

      public FsAction and(FsAction that)
      AND operation.
      Parameters:
      that - FsAction that.
      Returns:
      FsAction.

    • or

      public FsAction or(FsAction that)
      OR operation.
      Parameters:
      that - FsAction that.
      Returns:
      FsAction.

    • not

      public FsAction not()
      NOT operation.
      Returns:
      FsAction.

    • getFsAction

      public static FsAction getFsAction(String permission)
      Get the FsAction enum for String representation of permissions
      Parameters:
      permission - 3-character string representation of permission. ex: rwx
      Returns:
      Returns FsAction enum if the corresponding FsAction exists for permission. Otherwise returns null