org.apache.hadoop.yarn.client.api.async.impl

Class NMClientAsyncImpl

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.client.api.async.NMClientAsync

org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class NMClientAsyncImpl
extends NMClientAsync

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	NMClientAsyncImpl.ContainerEvent
protected class	NMClientAsyncImpl.ContainerEventProcessor
protected static class	NMClientAsyncImpl.ContainerEventType The type of the event of interacting with a container
protected static class	NMClientAsyncImpl.ContainerState
protected static class	NMClientAsyncImpl.StartContainerEvent
protected static class	NMClientAsyncImpl.StatefulContainer

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.client.api.async.NMClientAsync

NMClientAsync.CallbackHandler

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
protected ConcurrentMap<org.apache.hadoop.yarn.api.records.ContainerId,NMClientAsyncImpl.StatefulContainer>	containers
protected Thread	eventDispatcherThread
protected BlockingQueue<NMClientAsyncImpl.ContainerEvent>	events
protected static int	INITIAL_THREAD_POOL_SIZE
protected int	maxThreadPoolSize
protected AtomicBoolean	stopped
protected ThreadPoolExecutor	threadPool

Fields inherited from class org.apache.hadoop.yarn.client.api.async.NMClientAsync

callbackHandler, client

Constructor Summary

Constructors

Modifier	Constructor and Description
	NMClientAsyncImpl(NMClientAsync.CallbackHandler callbackHandler)
	NMClientAsyncImpl(String name, NMClientAsync.CallbackHandler callbackHandler)
protected	NMClientAsyncImpl(String name, NMClient client, NMClientAsync.CallbackHandler callbackHandler)

Method Summary

Methods

Modifier and Type	Method and Description
protected NMClientAsyncImpl.ContainerEventProcessor	getContainerEventProcessor(NMClientAsyncImpl.ContainerEvent event)
void	getContainerStatusAsync(org.apache.hadoop.yarn.api.records.ContainerId containerId, org.apache.hadoop.yarn.api.records.NodeId nodeId)
protected boolean	isCompletelyDone(NMClientAsyncImpl.StatefulContainer container)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()
void	startContainerAsync(org.apache.hadoop.yarn.api.records.Container container, org.apache.hadoop.yarn.api.records.ContainerLaunchContext containerLaunchContext)
void	stopContainerAsync(org.apache.hadoop.yarn.api.records.ContainerId containerId, org.apache.hadoop.yarn.api.records.NodeId nodeId)

Methods inherited from class org.apache.hadoop.yarn.client.api.async.NMClientAsync

createNMClientAsync, getCallbackHandler, getClient, setCallbackHandler, setClient

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

Field Detail

INITIAL_THREAD_POOL_SIZE

protected static final int INITIAL_THREAD_POOL_SIZE

See Also:

Constant Field Values

threadPool

protected ThreadPoolExecutor threadPool

maxThreadPoolSize

protected int maxThreadPoolSize

eventDispatcherThread

protected Thread eventDispatcherThread

stopped

protected AtomicBoolean stopped

events

protected BlockingQueue<NMClientAsyncImpl.ContainerEvent> events

containers

protected ConcurrentMap<org.apache.hadoop.yarn.api.records.ContainerId,NMClientAsyncImpl.StatefulContainer> containers

Constructor Detail

NMClientAsyncImpl

public NMClientAsyncImpl(NMClientAsync.CallbackHandler callbackHandler)

NMClientAsyncImpl

public NMClientAsyncImpl(String name,
                 NMClientAsync.CallbackHandler callbackHandler)

NMClientAsyncImpl

@InterfaceAudience.Private
protected NMClientAsyncImpl(String name,
                                           NMClient client,
                                           NMClientAsync.CallbackHandler callbackHandler)

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

serviceStart

protected void serviceStart()
                     throws Exception

Overrides:

serviceStart 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

startContainerAsync

public void startContainerAsync(org.apache.hadoop.yarn.api.records.Container container,
                       org.apache.hadoop.yarn.api.records.ContainerLaunchContext containerLaunchContext)

Specified by:

startContainerAsync in class NMClientAsync

stopContainerAsync

public void stopContainerAsync(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                      org.apache.hadoop.yarn.api.records.NodeId nodeId)

Specified by:

stopContainerAsync in class NMClientAsync

getContainerStatusAsync

public void getContainerStatusAsync(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                           org.apache.hadoop.yarn.api.records.NodeId nodeId)

Specified by:

getContainerStatusAsync in class NMClientAsync

isCompletelyDone

protected boolean isCompletelyDone(NMClientAsyncImpl.StatefulContainer container)

getContainerEventProcessor

protected NMClientAsyncImpl.ContainerEventProcessor getContainerEventProcessor(NMClientAsyncImpl.ContainerEvent event)