org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher

Class ContainersLauncher

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncher

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler<ContainersLauncherEvent>

public class ContainersLauncher
extends org.apache.hadoop.service.AbstractService
implements org.apache.hadoop.yarn.event.EventHandler<ContainersLauncherEvent>

The launcher for the containers. This service should be started only after the ResourceLocalizationService is started as it depends on creation of system directories on the local file-system.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Field Summary

Fields

Modifier and Type	Field and Description
ExecutorService	containerLauncher
Map<org.apache.hadoop.yarn.api.records.ContainerId,ContainerLaunch>	running

Constructor Summary

Constructors

Constructor and Description
ContainersLauncher(Context context, org.apache.hadoop.yarn.event.Dispatcher dispatcher, ContainerExecutor exec, LocalDirsHandlerService dirsHandler, ContainerManagerImpl containerManager)

Method Summary

Methods

Modifier and Type	Method and Description
void	handle(ContainersLauncherEvent event)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStop()

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceStart, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

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

Field Detail

containerLauncher

public ExecutorService containerLauncher

running

public final Map<org.apache.hadoop.yarn.api.records.ContainerId,ContainerLaunch> running

Constructor Detail

ContainersLauncher

public ContainersLauncher(Context context,
                  org.apache.hadoop.yarn.event.Dispatcher dispatcher,
                  ContainerExecutor exec,
                  LocalDirsHandlerService dirsHandler,
                  ContainerManagerImpl containerManager)

Method Detail

serviceInit

protected void serviceInit(org.apache.hadoop.conf.Configuration conf)
                    throws Exception

Overrides:

serviceInit in class org.apache.hadoop.service.AbstractService

Throws:

Exception

serviceStop

protected void serviceStop()
                    throws Exception

Overrides:

serviceStop in class org.apache.hadoop.service.AbstractService

Throws:

Exception

handle

public void handle(ContainersLauncherEvent event)

Specified by:

handle in interface org.apache.hadoop.yarn.event.EventHandler<ContainersLauncherEvent>