org.apache.hadoop.dfs
Enum FSConstants.UpgradeAction

java.lang.Object
  java.lang.Enum<FSConstants.UpgradeAction>
      org.apache.hadoop.dfs.FSConstants.UpgradeAction

All Implemented Interfaces:

Serializable, Comparable<FSConstants.UpgradeAction>

Enclosing interface:

FSConstants

public static enum FSConstants.UpgradeAction
extends Enum<FSConstants.UpgradeAction>

Distributed upgrade actions: 1. Get upgrade status. 2. Get detailed upgrade status. 3. Proceed with the upgrade if it is stuck, no matter what the status is.

Enum Constant Summary

DETAILED_STATUS

FORCE_PROCEED

GET_STATUS

Method Summary

static FSConstants.UpgradeAction	valueOf(String name) Returns the enum constant of this type with the specified name.
static FSConstants.UpgradeAction[]	values() Returns an array containing the constants of this enum type, in the order they're declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

GET_STATUS

public static final FSConstants.UpgradeAction GET_STATUS

DETAILED_STATUS

public static final FSConstants.UpgradeAction DETAILED_STATUS

FORCE_PROCEED

public static final FSConstants.UpgradeAction FORCE_PROCEED

Method Detail

values

public static final FSConstants.UpgradeAction[] values()

Returns an array containing the constants of this enum type, in the order they're declared. This method may be used to iterate over the constants as follows:

for(FSConstants.UpgradeAction c : FSConstants.UpgradeAction.values())
        System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they're declared

valueOf

public static FSConstants.UpgradeAction valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type has no constant with the specified name