org.apache.hadoop.hdfs

Enum StorageType

java.lang.Object

java.lang.Enum<StorageType>

org.apache.hadoop.hdfs.StorageType

All Implemented Interfaces:

Serializable, Comparable<StorageType>

@InterfaceAudience.Public
@InterfaceStability.Unstable
public enum StorageType
extends Enum<StorageType>

Defines the types of supported storage media. The default storage medium is assumed to be DISK.

Enum Constant Summary

Enum Constants

Enum Constant and Description
DISK
SSD

Field Summary

Fields

Modifier and Type	Field and Description
static StorageType	DEFAULT

Method Summary

Methods

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

DISK

public static final StorageType DISK

SSD

public static final StorageType SSD

Field Detail

DEFAULT

public static final StorageType DEFAULT

Method Detail

values

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

Returns:

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

valueOf

public static StorageType 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