Package org.apache.hadoop.hdfs.protocol

Enum Class HdfsConstants.UpgradeAction

java.lang.Object

java.lang.Enum<HdfsConstants.UpgradeAction>

org.apache.hadoop.hdfs.protocol.HdfsConstants.UpgradeAction

All Implemented Interfaces:

Serializable, Comparable<HdfsConstants.UpgradeAction>, Constable

Enclosing class:

org.apache.hadoop.hdfs.protocol.HdfsConstants

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

Upgrade actions.

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
QUERY

Method Summary

Modifier and Type	Method	Description
static HdfsConstants.UpgradeAction	valueOf(String name)	Returns the enum constant of this class with the specified name.
static HdfsConstants.UpgradeAction[]	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.UpgradeAction QUERY

FINALIZE

public static final HdfsConstants.UpgradeAction FINALIZE

Method Details

values

public static HdfsConstants.UpgradeAction[] 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.UpgradeAction 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