org.apache.tez.dag.app
Class TaskAttemptListenerImpTezDag

java.lang.Object
  org.apache.hadoop.service.AbstractService
      org.apache.tez.dag.app.TaskAttemptListenerImpTezDag

All Implemented Interfaces:

Closeable, org.apache.hadoop.ipc.VersionedProtocol, org.apache.hadoop.service.Service, org.apache.tez.common.TezTaskUmbilicalProtocol, TaskAttemptListener

public class TaskAttemptListenerImpTezDag
extends org.apache.hadoop.service.AbstractService
implements org.apache.tez.common.TezTaskUmbilicalProtocol, TaskAttemptListener

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Field Summary

protected ContainerHeartbeatHandler	containerHeartbeatHandler
protected TaskHeartbeatHandler	taskHeartbeatHandler

Fields inherited from interface org.apache.tez.common.TezTaskUmbilicalProtocol

versionID

Constructor Summary

TaskAttemptListenerImpTezDag(AppContext context, TaskHeartbeatHandler thh, ContainerHeartbeatHandler chh, org.apache.tez.common.security.JobTokenSecretManager jobTokenSecretManager)

Method Summary

boolean	canCommit(org.apache.tez.dag.records.TezTaskAttemptID taskAttemptId) Child checking whether it can commit.
InetSocketAddress	getAddress()
org.apache.hadoop.ipc.ProtocolSignature	getProtocolSignature(String protocol, long clientVersion, int clientMethodsHash)
long	getProtocolVersion(String protocol, long clientVersion)
org.apache.tez.common.ContainerTask	getTask(org.apache.tez.common.ContainerContext containerContext)
org.apache.tez.runtime.api.impl.TezHeartbeatResponse	heartbeat(org.apache.tez.runtime.api.impl.TezHeartbeatRequest request)
AMContainerTask	pullTaskAttemptContext(org.apache.hadoop.yarn.api.records.ContainerId containerId)
void	registerRunningContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)
void	registerTaskAttempt(org.apache.tez.dag.records.TezTaskAttemptID attemptId, org.apache.hadoop.yarn.api.records.ContainerId containerId)
void	serviceStart()
void	serviceStop()
protected void	startRpcServer()
protected void	stopRpcServer()
void	unregisterRunningContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)
void	unregisterTaskAttempt(org.apache.tez.dag.records.TezTaskAttemptID attemptId)

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, serviceInit, 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

taskHeartbeatHandler

protected final TaskHeartbeatHandler taskHeartbeatHandler

containerHeartbeatHandler

protected final ContainerHeartbeatHandler containerHeartbeatHandler

Constructor Detail

TaskAttemptListenerImpTezDag

public TaskAttemptListenerImpTezDag(AppContext context,
                                    TaskHeartbeatHandler thh,
                                    ContainerHeartbeatHandler chh,
                                    org.apache.tez.common.security.JobTokenSecretManager jobTokenSecretManager)

Method Detail

serviceStart

public void serviceStart()

Overrides:

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

startRpcServer

protected void startRpcServer()

serviceStop

public void serviceStop()

Overrides:

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

stopRpcServer

protected void stopRpcServer()

getAddress

public InetSocketAddress getAddress()

Specified by:

getAddress in interface TaskAttemptListener

getProtocolVersion

public long getProtocolVersion(String protocol,
                               long clientVersion)
                        throws IOException

Specified by:

getProtocolVersion in interface org.apache.hadoop.ipc.VersionedProtocol

Throws:

IOException

getProtocolSignature

public org.apache.hadoop.ipc.ProtocolSignature getProtocolSignature(String protocol,
                                                                    long clientVersion,
                                                                    int clientMethodsHash)
                                                             throws IOException

Specified by:

getProtocolSignature in interface org.apache.hadoop.ipc.VersionedProtocol

Throws:

IOException

getTask

public org.apache.tez.common.ContainerTask getTask(org.apache.tez.common.ContainerContext containerContext)
                                            throws IOException

Specified by:

getTask in interface org.apache.tez.common.TezTaskUmbilicalProtocol

Throws:

IOException

canCommit

public boolean canCommit(org.apache.tez.dag.records.TezTaskAttemptID taskAttemptId)
                  throws IOException

Child checking whether it can commit.
Repeatedly polls the ApplicationMaster whether it Task.canCommit(TezTaskAttemptID) This is * a legacy from the centralized commit protocol handling by the JobTracker.

Specified by:

canCommit in interface org.apache.tez.common.TezTaskUmbilicalProtocol

Throws:

IOException

unregisterTaskAttempt

public void unregisterTaskAttempt(org.apache.tez.dag.records.TezTaskAttemptID attemptId)

Specified by:

unregisterTaskAttempt in interface TaskAttemptListener

pullTaskAttemptContext

public AMContainerTask pullTaskAttemptContext(org.apache.hadoop.yarn.api.records.ContainerId containerId)

registerRunningContainer

public void registerRunningContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)

Specified by:

registerRunningContainer in interface TaskAttemptListener

registerTaskAttempt

public void registerTaskAttempt(org.apache.tez.dag.records.TezTaskAttemptID attemptId,
                                org.apache.hadoop.yarn.api.records.ContainerId containerId)

Specified by:

registerTaskAttempt in interface TaskAttemptListener

unregisterRunningContainer

public void unregisterRunningContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)

Specified by:

unregisterRunningContainer in interface TaskAttemptListener

heartbeat

public org.apache.tez.runtime.api.impl.TezHeartbeatResponse heartbeat(org.apache.tez.runtime.api.impl.TezHeartbeatRequest request)
                                                               throws IOException,
                                                                      org.apache.tez.dag.api.TezException

Specified by:

heartbeat in interface org.apache.tez.common.TezTaskUmbilicalProtocol

Throws:

IOException

org.apache.tez.dag.api.TezException