org.apache.tez.dag.app.launcher

Class LocalContainerLauncher

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.tez.dag.app.launcher.LocalContainerLauncher

All Implemented Interfaces:

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

public class LocalContainerLauncher
extends org.apache.hadoop.service.AbstractService
implements ContainerLauncher

Runs the container task locally in a thread. Since all (sub)tasks share the same local directory, they must be executed sequentially in order to avoid creating/deleting the same files/dirs.

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Constructor and Description
LocalContainerLauncher(AppContext context, TaskAttemptListener taskAttemptListener, String workingDirectory)

Method Summary

Methods

Modifier and Type	Method and Description
void	handle(NMCommunicatorEvent event)
void	serviceInit(org.apache.hadoop.conf.Configuration conf)
void	serviceStart()
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, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalContainerLauncher

public LocalContainerLauncher(AppContext context,
                      TaskAttemptListener taskAttemptListener,
                      String workingDirectory)
                       throws UnknownHostException

Throws:

UnknownHostException

Method Detail

serviceInit

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

Overrides:

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

serviceStart

public void serviceStart()
                  throws Exception

Overrides:

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

Throws:

Exception

serviceStop

public void serviceStop()
                 throws Exception

Overrides:

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

Throws:

Exception

handle

public void handle(NMCommunicatorEvent event)

Specified by:

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