Package org.apache.hadoop.hdfs.protocol

Enum HdfsConstants.UpgradeAction

java.lang.Object

java.lang.Enum<HdfsConstants.UpgradeAction>

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<HdfsConstants.UpgradeAction>

Enclosing class:

HdfsConstants

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

Upgrade actions.

Enum Constant Summary

Enum Constants

Enum Constant	Description
FINALIZE
QUERY

Method Summary

Modifier and Type	Method	Description
static HdfsConstants.UpgradeAction	valueOf(java.lang.String name)	Returns the enum constant of this type with the specified name.
static HdfsConstants.UpgradeAction[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

QUERY

public static final HdfsConstants.UpgradeAction QUERY

FINALIZE

public static final HdfsConstants.UpgradeAction FINALIZE

Method Detail

values

public static HdfsConstants.UpgradeAction[] values()

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

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

Returns:

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

valueOf

public static HdfsConstants.UpgradeAction valueOf(java.lang.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:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null