Package org.apache.flink.runtime.resourcemanager

Class ResourceManagerServiceImpl

java.lang.Object

org.apache.flink.runtime.resourcemanager.ResourceManagerServiceImpl

All Implemented Interfaces:

AutoCloseable, LeaderContender, ResourceManagerService, org.apache.flink.util.AutoCloseableAsync

public class ResourceManagerServiceImpl
extends Object
implements ResourceManagerService, LeaderContender

Default implementation of ResourceManagerService.

Method Summary

Modifier and Type	Method	Description
CompletableFuture<Void>	closeAsync()
static ResourceManagerServiceImpl	create(ResourceManagerFactory<?> resourceManagerFactory, org.apache.flink.configuration.Configuration configuration, ResourceID resourceId, org.apache.flink.runtime.rpc.RpcService rpcService, HighAvailabilityServices highAvailabilityServices, HeartbeatServices heartbeatServices, DelegationTokenManager delegationTokenManager, org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler, ClusterInformation clusterInformation, String webInterfaceUrl, MetricRegistry metricRegistry, String hostname, Executor ioExecutor)
CompletableFuture<Void>	deregisterApplication(ApplicationStatus applicationStatus, String diagnostics)	Deregister the Flink application from the resource management system by signalling the ResourceManager.
ResourceManager<?>	getLeaderResourceManager()
CompletableFuture<Void>	getTerminationFuture()	Return termination future of the service.
void	grantLeadership(UUID newLeaderSessionID)	Callback method which is called by the LeaderElectionService upon selecting this instance as the new leader.
void	handleError(Exception exception)	Callback method which is called by LeaderElectionService in case of an error in the service thread.
void	revokeLeadership()	Callback method which is called by the LeaderElectionService upon revoking the leadership of a former leader.
void	start()	Start the service.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.util.AutoCloseableAsync

close

Method Details

start

public void start()
           throws Exception

Description copied from interface: ResourceManagerService

Start the service.

Specified by:

start in interface ResourceManagerService

Throws:

Exception - if the service cannot be started

getTerminationFuture

public CompletableFuture<Void> getTerminationFuture()

Description copied from interface: ResourceManagerService

Return termination future of the service.

Specified by:

getTerminationFuture in interface ResourceManagerService

Returns:

termination future of the service.

deregisterApplication

public CompletableFuture<Void> deregisterApplication(ApplicationStatus applicationStatus,
 @Nullable
 String diagnostics)

Description copied from interface: ResourceManagerService

Deregister the Flink application from the resource management system by signalling the ResourceManager.

Specified by:

deregisterApplication in interface ResourceManagerService

Parameters:

applicationStatus - to terminate the application with

diagnostics - additional information about the shut down, can be null

Returns:

Future which is completed once the shut down

closeAsync

public CompletableFuture<Void> closeAsync()

Specified by:

closeAsync in interface org.apache.flink.util.AutoCloseableAsync

grantLeadership

public void grantLeadership(UUID newLeaderSessionID)

Description copied from interface: LeaderContender

Callback method which is called by the LeaderElectionService upon selecting this instance as the new leader. The method is called with the new leader session ID.

Specified by:

grantLeadership in interface LeaderContender

Parameters:

newLeaderSessionID - New leader session ID

revokeLeadership

public void revokeLeadership()

Description copied from interface: LeaderContender

Callback method which is called by the LeaderElectionService upon revoking the leadership of a former leader. This might happen in case that multiple contenders have been granted leadership.

Specified by:

revokeLeadership in interface LeaderContender

handleError

public void handleError(Exception exception)

Description copied from interface: LeaderContender

Callback method which is called by LeaderElectionService in case of an error in the service thread.

Specified by:

handleError in interface LeaderContender

Parameters:

exception - Caught exception

getLeaderResourceManager

@VisibleForTesting
@Nullable
public ResourceManager<?> getLeaderResourceManager()

create

public static ResourceManagerServiceImpl create(ResourceManagerFactory<?> resourceManagerFactory,
 org.apache.flink.configuration.Configuration configuration,
 ResourceID resourceId,
 org.apache.flink.runtime.rpc.RpcService rpcService,
 HighAvailabilityServices highAvailabilityServices,
 HeartbeatServices heartbeatServices,
 DelegationTokenManager delegationTokenManager,
 org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler,
 ClusterInformation clusterInformation,
 @Nullable
 String webInterfaceUrl,
 MetricRegistry metricRegistry,
 String hostname,
 Executor ioExecutor)
                                         throws Exception

Throws:

Exception