org.apache.hadoop.fs

Enum SafeModeAction

java.lang.Object

java.lang.Enum<SafeModeAction>

org.apache.hadoop.fs.SafeModeAction

All Implemented Interfaces:

Serializable, Comparable<SafeModeAction>

public enum SafeModeAction
extends Enum<SafeModeAction>

An identical copy from org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction, that helps the other file system implementation to define SafeMode.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ENTER Starting entering into safe mode.
FORCE_EXIT Force Exit from safe mode.
GET Get the status of the safe mode.
LEAVE Gracefully exit from safe mode.

Method Summary

Modifier and Type	Method and Description
static SafeModeAction	valueOf(String name) Returns the enum constant of this type with the specified name.
static SafeModeAction[]	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

ENTER

public static final SafeModeAction ENTER

Starting entering into safe mode.

LEAVE

public static final SafeModeAction LEAVE

Gracefully exit from safe mode.

FORCE_EXIT

public static final SafeModeAction FORCE_EXIT

Force Exit from safe mode.

GET

public static final SafeModeAction GET

Get the status of the safe mode.

Method Detail

values

public static SafeModeAction[] 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 (SafeModeAction c : SafeModeAction.values())
    System.out.println(c);

Returns:

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

valueOf

public static SafeModeAction 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

NullPointerException - if the argument is null