org.apache.hadoop.mapreduce.v2.app.recover

Class RecoveryService

java.lang.Object

org.apache.hadoop.yarn.service.AbstractService

org.apache.hadoop.yarn.service.CompositeService

org.apache.hadoop.mapreduce.v2.app.recover.RecoveryService

All Implemented Interfaces:

Recovery, org.apache.hadoop.yarn.service.Service

public class RecoveryService
extends org.apache.hadoop.yarn.service.CompositeService
implements Recovery

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.service.CompositeService

org.apache.hadoop.yarn.service.CompositeService.CompositeServiceShutdownHook

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

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

Constructor Summary

Constructors

Constructor and Description
RecoveryService(org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId, org.apache.hadoop.yarn.Clock clock, org.apache.hadoop.mapreduce.OutputCommitter committer, boolean newApiCommitter)

Method Summary

Methods

Modifier and Type	Method and Description
protected org.apache.hadoop.yarn.event.Dispatcher	createRecoveryDispatcher()
List<org.apache.hadoop.mapreduce.v2.api.records.AMInfo>	getAMInfos()
org.apache.hadoop.yarn.Clock	getClock()
Map<org.apache.hadoop.mapreduce.v2.api.records.TaskId,org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskInfo>	getCompletedTasks()
org.apache.hadoop.yarn.event.Dispatcher	getDispatcher()
static org.apache.hadoop.fs.FSDataInputStream	getPreviousJobHistoryFileStream(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId)
void	init(org.apache.hadoop.conf.Configuration conf)

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

addService, getServices, removeService, start, stop

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

getConfig, getName, getServiceState, getStartTime, register, unregister

Methods inherited from class java.lang.Object

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

Constructor Detail

RecoveryService

public RecoveryService(org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId,
               org.apache.hadoop.yarn.Clock clock,
               org.apache.hadoop.mapreduce.OutputCommitter committer,
               boolean newApiCommitter)

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.CompositeService

getDispatcher

public org.apache.hadoop.yarn.event.Dispatcher getDispatcher()

Specified by:

getDispatcher in interface Recovery

getClock

public org.apache.hadoop.yarn.Clock getClock()

Specified by:

getClock in interface Recovery

getCompletedTasks

public Map<org.apache.hadoop.mapreduce.v2.api.records.TaskId,org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskInfo> getCompletedTasks()

Specified by:

getCompletedTasks in interface Recovery

getAMInfos

public List<org.apache.hadoop.mapreduce.v2.api.records.AMInfo> getAMInfos()

Specified by:

getAMInfos in interface Recovery

getPreviousJobHistoryFileStream

public static org.apache.hadoop.fs.FSDataInputStream getPreviousJobHistoryFileStream(org.apache.hadoop.conf.Configuration conf,
                                                                     org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId)
                                                                              throws IOException

Throws:

IOException

createRecoveryDispatcher

protected org.apache.hadoop.yarn.event.Dispatcher createRecoveryDispatcher()