Package org.apache.flink.runtime.jobmaster

Class JobManagerSharedServices

java.lang.Object

org.apache.flink.runtime.jobmaster.JobManagerSharedServices

public class JobManagerSharedServices
extends Object

Utility class which holds all auxiliary shared services used by the JobMaster. Consequently, the JobMaster should never shut these services down.

Constructor Summary

Constructors

Constructor	Description
JobManagerSharedServices(ScheduledExecutorService futureExecutor, ExecutorService ioExecutor, LibraryCacheManager libraryCacheManager, ShuffleMaster<?> shuffleMaster, BlobWriter blobWriter)

Method Summary

Modifier and Type	Method	Description
static JobManagerSharedServices	fromConfiguration(Configuration config, BlobServer blobServer, FatalErrorHandler fatalErrorHandler)
BlobWriter	getBlobWriter()
ScheduledExecutorService	getFutureExecutor()
Executor	getIoExecutor()
LibraryCacheManager	getLibraryCacheManager()
ShuffleMaster<?>	getShuffleMaster()
void	shutdown()	Shutdown the JobMaster services.

Methods inherited from class java.lang.Object

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

Constructor Detail

JobManagerSharedServices

public JobManagerSharedServices(ScheduledExecutorService futureExecutor,
                                ExecutorService ioExecutor,
                                LibraryCacheManager libraryCacheManager,
                                ShuffleMaster<?> shuffleMaster,
                                @Nonnull
                                BlobWriter blobWriter)

Method Detail

getFutureExecutor

public ScheduledExecutorService getFutureExecutor()

getIoExecutor

public Executor getIoExecutor()

getLibraryCacheManager

public LibraryCacheManager getLibraryCacheManager()

getShuffleMaster

public ShuffleMaster<?> getShuffleMaster()

getBlobWriter

@Nonnull
public BlobWriter getBlobWriter()

shutdown

public void shutdown()
              throws Exception

Shutdown the JobMaster services.

This method makes sure all services are closed or shut down, even when an exception occurred in the shutdown of one component. The first encountered exception is thrown, with successive exceptions added as suppressed exceptions.

Throws:

Exception - The first Exception encountered during shutdown.

fromConfiguration

public static JobManagerSharedServices fromConfiguration(Configuration config,
                                                         BlobServer blobServer,
                                                         FatalErrorHandler fatalErrorHandler)
                                                  throws Exception

Throws:

Exception