Package org.apache.hadoop.hdfs.protocol

Enum Class BlockChecksumType

java.lang.Object

java.lang.Enum<BlockChecksumType>

org.apache.hadoop.hdfs.protocol.BlockChecksumType

All Implemented Interfaces:

Serializable, Comparable<BlockChecksumType>, Constable

@Private
public enum BlockChecksumType
extends Enum<BlockChecksumType>

Algorithms/types denoting how block-level checksums are computed using lower-level chunk checksums/CRCs.

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
COMPOSITE_CRC
MD5CRC

Method Summary

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

MD5CRC

public static final BlockChecksumType MD5CRC

COMPOSITE_CRC

public static final BlockChecksumType COMPOSITE_CRC

Method Details

values

public static BlockChecksumType[] 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 BlockChecksumType 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