org.apache.flink.runtime.jobmaster

Interface JobMasterServiceProcess

All Superinterfaces:

AutoCloseable, org.apache.flink.util.AutoCloseableAsync

All Known Implementing Classes:

DefaultJobMasterServiceProcess, JobMasterServiceProcess.WaitingForLeadership

public interface JobMasterServiceProcess
extends org.apache.flink.util.AutoCloseableAsync

JobMasterServiceProcess is responsible for running a JobMasterService.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	JobMasterServiceProcess.WaitingForLeadership

Method Summary

Modifier and Type	Method and Description
CompletableFuture<JobMasterGateway>	getJobMasterGatewayFuture() Future which is completed with the JobMasterGateway once the JobMasterService has been created.
CompletableFuture<String>	getLeaderAddressFuture() Future which is completed with the JobMasterService address once it is created.
UUID	getLeaderSessionId() The leader session id of this process.
CompletableFuture<JobManagerRunnerResult>	getResultFuture() Future which is completed with the result of job execution.
boolean	isInitializedAndRunning() True iff the JobMasterService has been initialized and is running.
static JobMasterServiceProcess	waitingForLeadership()

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

close, closeAsync

Method Detail

waitingForLeadership

static JobMasterServiceProcess waitingForLeadership()

getLeaderSessionId

UUID getLeaderSessionId()

The leader session id of this process.

isInitializedAndRunning

boolean isInitializedAndRunning()

True iff the JobMasterService has been initialized and is running.

getJobMasterGatewayFuture

CompletableFuture<JobMasterGateway> getJobMasterGatewayFuture()

Future which is completed with the JobMasterGateway once the JobMasterService has been created. Upon closing of the process, this future is completed exceptionally if it is still uncompleted.

getResultFuture

CompletableFuture<JobManagerRunnerResult> getResultFuture()

Future which is completed with the result of job execution. The job's result can be the JobManagerRunnerResult, JobNotFinishedException if the job was not finished or an Throwable if an unexpected failure occurs. Upon closing of the process, this future is completed exceptionally with JobNotFinishedException.

getLeaderAddressFuture

CompletableFuture<String> getLeaderAddressFuture()

Future which is completed with the JobMasterService address once it is created.