nebula.plugin.metrics.dispatcher

Class AbstractQueuedExecutionThreadService<E>

java.lang.Object

com.google.common.util.concurrent.AbstractExecutionThreadService

nebula.plugin.metrics.dispatcher.AbstractQueuedExecutionThreadService<E>

All Implemented Interfaces:

com.google.common.util.concurrent.Service

Direct Known Subclasses:

AbstractESMetricsDispatcher

public abstract class AbstractQueuedExecutionThreadService<E>
extends com.google.common.util.concurrent.AbstractExecutionThreadService

An AbstractQueuedExecutionThreadService that allows actions of type

E

to be queued and executed in the order received.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.common.util.concurrent.Service

com.google.common.util.concurrent.Service.Listener, com.google.common.util.concurrent.Service.State

Constructor Summary

Constructors

Constructor and Description
AbstractQueuedExecutionThreadService(boolean failOnError)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	beforeShutDown()
protected abstract void	execute(E action)
protected boolean	hasFailed()
protected boolean	isAsync() Allow service to run non-asynchronously to allow unit testing of concrete implementations, without needing to deal with timing issues.
protected void	postShutDown()
protected void	queue(E action)
protected void	run()
protected void	shutDown()

Methods inherited from class com.google.common.util.concurrent.AbstractExecutionThreadService

addListener, awaitRunning, awaitRunning, awaitTerminated, awaitTerminated, executor, failureCause, isRunning, serviceName, startAsync, startUp, state, stopAsync, toString, triggerShutdown

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractQueuedExecutionThreadService

public AbstractQueuedExecutionThreadService(boolean failOnError)

Method Detail

execute

protected abstract void execute(E action)
                         throws java.lang.Exception

Throws:

java.lang.Exception

run

protected final void run()
                  throws java.lang.Exception

Specified by:

run in class com.google.common.util.concurrent.AbstractExecutionThreadService

Throws:

java.lang.Exception

hasFailed

protected final boolean hasFailed()

shutDown

protected final void shutDown()
                       throws java.lang.Exception

Overrides:

shutDown in class com.google.common.util.concurrent.AbstractExecutionThreadService

Throws:

java.lang.Exception

beforeShutDown

protected void beforeShutDown()
                       throws java.lang.Exception

Throws:

java.lang.Exception

postShutDown

protected void postShutDown()
                     throws java.lang.Exception

Throws:

java.lang.Exception

queue

protected final void queue(E action)

isAsync

protected boolean isAsync()

Allow service to run non-asynchronously to allow unit testing of concrete implementations, without needing to deal with timing issues.

Returns:

true if the service is asynchronous