Package org.apache.hadoop.metrics2.lib

Enum Class MetricsExecutorImpl.ExecutorSingleton

java.lang.Object

java.lang.Enum<MetricsExecutorImpl.ExecutorSingleton>

org.apache.hadoop.metrics2.lib.MetricsExecutorImpl.ExecutorSingleton

All Implemented Interfaces:

Serializable, Comparable<MetricsExecutorImpl.ExecutorSingleton>, Constable

Enclosing class:

MetricsExecutorImpl

private static enum MetricsExecutorImpl.ExecutorSingleton
extends Enum<MetricsExecutorImpl.ExecutorSingleton>

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
INSTANCE

Field Summary

Fields

Modifier and Type	Field	Description
private final ScheduledExecutorService	scheduler

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ExecutorSingleton()

Method Summary

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

INSTANCE

public static final MetricsExecutorImpl.ExecutorSingleton INSTANCE

Field Details

scheduler

private final transient ScheduledExecutorService scheduler

Constructor Details

ExecutorSingleton

private ExecutorSingleton()

Method Details

values

public static MetricsExecutorImpl.ExecutorSingleton[] 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 MetricsExecutorImpl.ExecutorSingleton 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