Package org.apache.hadoop.hdfs.protocol

Enum Class ErasureCodingPolicyState

java.lang.Object

java.lang.Enum<ErasureCodingPolicyState>

org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyState

All Implemented Interfaces:

Serializable, Comparable<ErasureCodingPolicyState>, Constable

@Private
public enum ErasureCodingPolicyState
extends Enum<ErasureCodingPolicyState>

Value denotes the possible states of an ErasureCodingPolicy.

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
DISABLED	Policy is disabled.
ENABLED	Policy is enabled.
REMOVED	Policy is removed from the system.

Method Summary

Modifier and Type	Method	Description
static ErasureCodingPolicyState	fromValue(int v)
int	getValue()
static ErasureCodingPolicyState	read(DataInput in)	Read from in.
static ErasureCodingPolicyState	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ErasureCodingPolicyState[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.
void	write(DataOutput out)	Write to out.

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

DISABLED

public static final ErasureCodingPolicyState DISABLED

Policy is disabled. It's policy default state.

ENABLED

public static final ErasureCodingPolicyState ENABLED

Policy is enabled. It can be applied to directory and file.

REMOVED

public static final ErasureCodingPolicyState REMOVED

Policy is removed from the system. Due to there are potential files use this policy, it cannot be deleted from system immediately. A removed policy can be re-enabled later.

Method Details

values

public static ErasureCodingPolicyState[] 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 ErasureCodingPolicyState 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

getValue

public int getValue()

fromValue

public static ErasureCodingPolicyState fromValue(int v)

read

public static ErasureCodingPolicyState read(DataInput in)
                                     throws IOException

Read from in.

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Write to out.

Throws:

IOException