org.apache.hadoop.metrics2.lib

Enum MetricsExecutorImpl.ExecutorSingleton

java.lang.Object

java.lang.Enum<MetricsExecutorImpl.ExecutorSingleton>

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

All Implemented Interfaces:

Serializable, Comparable<MetricsExecutorImpl.ExecutorSingleton>

Enclosing class:

MetricsExecutorImpl

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

Enum Constant Summary

Enum Constants

Enum Constant and Description
INSTANCE

Field Summary

Fields

Modifier and Type	Field and Description
private ScheduledExecutorService	scheduler

Method Summary

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

INSTANCE

public static final MetricsExecutorImpl.ExecutorSingleton INSTANCE

Field Detail

scheduler

private final transient ScheduledExecutorService scheduler

Method Detail

values

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

Returns:

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

valueOf

public static MetricsExecutorImpl.ExecutorSingleton 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