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

java.lang.Object
  org.apache.hadoop.yarn.service.AbstractService
      org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncher

All Implemented Interfaces:

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

public class ContainersLauncher
extends org.apache.hadoop.yarn.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.yarn.service.Service

org.apache.hadoop.yarn.service.Service.STATE

Constructor Summary

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

Method Summary

void	handle(ContainersLauncherEvent event)
void	init(org.apache.hadoop.conf.Configuration conf)
void	stop()

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

getConfig, getName, getServiceState, getStartTime, register, start, unregister

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainersLauncher

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

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf)

Specified by:

init in interface org.apache.hadoop.yarn.service.Service

Overrides:

init in class org.apache.hadoop.yarn.service.AbstractService

stop

public void stop()

Specified by:

stop in interface org.apache.hadoop.yarn.service.Service

Overrides:

stop in class org.apache.hadoop.yarn.service.AbstractService

handle

public void handle(ContainersLauncherEvent event)

Specified by:

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