org.apache.flink.runtime.dispatcher.runner

Class SessionDispatcherLeaderProcess

java.lang.Object

org.apache.flink.runtime.dispatcher.runner.AbstractDispatcherLeaderProcess

org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess

All Implemented Interfaces:

JobGraphStore.JobGraphListener

public class SessionDispatcherLeaderProcess
extends AbstractDispatcherLeaderProcess
implements JobGraphStore.JobGraphListener

Process which encapsulates the job recovery logic and life cycle management of a Dispatcher.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.runtime.dispatcher.runner.AbstractDispatcherLeaderProcess

AbstractDispatcherLeaderProcess.DispatcherGatewayService, AbstractDispatcherLeaderProcess.DispatcherGatewayServiceFactory, AbstractDispatcherLeaderProcess.State

Field Summary

Fields inherited from class org.apache.flink.runtime.dispatcher.runner.AbstractDispatcherLeaderProcess

log

Method Summary

Modifier and Type	Method and Description
static SessionDispatcherLeaderProcess	create(UUID leaderSessionId, AbstractDispatcherLeaderProcess.DispatcherGatewayServiceFactory dispatcherFactory, JobGraphStore jobGraphStore, JobResultStore jobResultStore, Executor ioExecutor, org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler)
void	onAddedJobGraph(org.apache.flink.api.common.JobID jobId) Callback for JobGraph instances added by a different JobGraphStore instance.
protected CompletableFuture<Void>	onClose()
void	onRemovedJobGraph(org.apache.flink.api.common.JobID jobId) Callback for JobGraph instances removed by a different JobGraphStore instance.
protected void	onStart()

Methods inherited from class org.apache.flink.runtime.dispatcher.runner.AbstractDispatcherLeaderProcess

closeAsync, getDispatcherGateway, getDispatcherService, getLeaderAddressFuture, getLeaderSessionId, getShutDownFuture, start

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 Detail

onStart

protected void onStart()

Specified by:

onStart in class AbstractDispatcherLeaderProcess

onClose

protected CompletableFuture<Void> onClose()

Overrides:

onClose in class AbstractDispatcherLeaderProcess

onAddedJobGraph

public void onAddedJobGraph(org.apache.flink.api.common.JobID jobId)

Description copied from interface: JobGraphStore.JobGraphListener

Callback for JobGraph instances added by a different JobGraphStore instance.

Important: It is possible to get false positives and be notified about a job graph, which was added by this instance.

Specified by:

onAddedJobGraph in interface JobGraphStore.JobGraphListener

Parameters:

jobId - The JobID of the added job graph

onRemovedJobGraph

public void onRemovedJobGraph(org.apache.flink.api.common.JobID jobId)

Description copied from interface: JobGraphStore.JobGraphListener

Callback for JobGraph instances removed by a different JobGraphStore instance.

Specified by:

onRemovedJobGraph in interface JobGraphStore.JobGraphListener

Parameters:

jobId - The JobID of the removed job graph

create

public static SessionDispatcherLeaderProcess create(UUID leaderSessionId,
                                                    AbstractDispatcherLeaderProcess.DispatcherGatewayServiceFactory dispatcherFactory,
                                                    JobGraphStore jobGraphStore,
                                                    JobResultStore jobResultStore,
                                                    Executor ioExecutor,
                                                    org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler)