Package org.apache.hadoop.yarn.csi.adaptor

Class CsiAdaptorServices

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.api.AuxiliaryService

org.apache.hadoop.yarn.csi.adaptor.CsiAdaptorServices

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service

public class CsiAdaptorServices
extends org.apache.hadoop.yarn.server.api.AuxiliaryService

NM manages csi-adaptors as a single NM AUX service, this service manages a set of rpc services and each of them serves one particular csi-driver. It loads all available drivers from configuration, and find a csi-driver-adaptor implementation class for each of them. At last it brings up all of them as a composite service.

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CsiAdaptorServices()

Method Summary

Modifier and Type	Method	Description
java.nio.ByteBuffer	getMetaData()
void	initializeApplication(org.apache.hadoop.yarn.server.api.ApplicationInitializationContext initAppContext)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()
void	stopApplication(org.apache.hadoop.yarn.server.api.ApplicationTerminationContext stopAppContext)

Methods inherited from class org.apache.hadoop.yarn.server.api.AuxiliaryService

getAuxiliaryLocalPathHandler, getMetaData, getRecoveryPath, initializeContainer, setAuxiliaryLocalPathHandler, setRecoveryPath, stopContainer

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

CsiAdaptorServices

protected CsiAdaptorServices()

Method Detail

serviceInit

protected void serviceInit(org.apache.hadoop.conf.Configuration conf)
                    throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception

serviceStop

protected void serviceStop()
                    throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception

serviceStart

protected void serviceStart()
                     throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception

initializeApplication

public void initializeApplication(org.apache.hadoop.yarn.server.api.ApplicationInitializationContext initAppContext)

Specified by:

initializeApplication in class org.apache.hadoop.yarn.server.api.AuxiliaryService

stopApplication

public void stopApplication(org.apache.hadoop.yarn.server.api.ApplicationTerminationContext stopAppContext)

Specified by:

stopApplication in class org.apache.hadoop.yarn.server.api.AuxiliaryService

getMetaData

public java.nio.ByteBuffer getMetaData()

Specified by:

getMetaData in class org.apache.hadoop.yarn.server.api.AuxiliaryService