Package org.apache.hadoop.hdfs.protocol

Enum Class HdfsConstants.RollingUpgradeAction

java.lang.Object

java.lang.Enum<HdfsConstants.RollingUpgradeAction>

org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction

All Implemented Interfaces:

Serializable, Comparable<HdfsConstants.RollingUpgradeAction>, Constable

Enclosing class:

org.apache.hadoop.hdfs.protocol.HdfsConstants

public static enum HdfsConstants.RollingUpgradeAction
extends Enum<HdfsConstants.RollingUpgradeAction>

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
FINALIZE
PREPARE
QUERY

Method Summary

Modifier and Type	Method	Description
static HdfsConstants.RollingUpgradeAction	fromString(String s)	Convert the given String to a RollingUpgradeAction.
static HdfsConstants.RollingUpgradeAction	valueOf(String name)	Returns the enum constant of this class with the specified name.
static HdfsConstants.RollingUpgradeAction[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

QUERY

public static final HdfsConstants.RollingUpgradeAction QUERY

PREPARE

public static final HdfsConstants.RollingUpgradeAction PREPARE

FINALIZE

public static final HdfsConstants.RollingUpgradeAction FINALIZE

Method Details

values

public static HdfsConstants.RollingUpgradeAction[] 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 HdfsConstants.RollingUpgradeAction 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

fromString

public static HdfsConstants.RollingUpgradeAction fromString(String s)

Convert the given String to a RollingUpgradeAction.