org.apache.hadoop.hive.llap.registry.impl

Class LlapRegistryService

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.hive.llap.registry.impl.LlapRegistryService

All Implemented Interfaces:

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

public class LlapRegistryService
extends org.apache.hadoop.service.AbstractService

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
LlapRegistryService(boolean isDaemon)

Method Summary

Modifier and Type	Method and Description
static String	currentUser()
org.apache.hadoop.yarn.api.records.ApplicationId	getApplicationId()
static LlapRegistryService	getClient(org.apache.hadoop.conf.Configuration conf) Helper method to get a ServiceRegistry instance to read from the registry.
LlapServiceInstanceSet	getInstances()
LlapServiceInstanceSet	getInstances(long clusterReadyTimeoutMs)
String	getWorkerIdentity()
boolean	isDynamic()
void	registerStateChangeListener(ServiceInstanceStateChangeListener<LlapServiceInstance> listener)
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

LlapRegistryService

public LlapRegistryService(boolean isDaemon)

Method Detail

getClient

public static LlapRegistryService getClient(org.apache.hadoop.conf.Configuration conf)

Helper method to get a ServiceRegistry instance to read from the registry. This should not be used by LLAP daemons.

Parameters:

conf - Configuration instance which contains service registry information.

Returns:

currentUser

public static String currentUser()

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

getInstances

public LlapServiceInstanceSet getInstances()
                                    throws IOException

Throws:

IOException

getInstances

public LlapServiceInstanceSet getInstances(long clusterReadyTimeoutMs)
                                    throws IOException

Throws:

IOException

registerStateChangeListener

public void registerStateChangeListener(ServiceInstanceStateChangeListener<LlapServiceInstance> listener)
                                 throws IOException

Throws:

IOException

isDynamic

public boolean isDynamic()

getWorkerIdentity

public String getWorkerIdentity()

getApplicationId

public org.apache.hadoop.yarn.api.records.ApplicationId getApplicationId()
                                                                  throws IOException

Throws:

IOException