org.apache.flink.runtime.highavailability.nonha

类 AbstractNonHaServices

java.lang.Object

org.apache.flink.runtime.highavailability.nonha.AbstractNonHaServices

所有已实现的接口:

AutoCloseable, HighAvailabilityServices

直接已知子类:

EmbeddedHaServices, StandaloneHaServices

public abstract class AbstractNonHaServices
extends Object
implements HighAvailabilityServices

Abstract base class for non high-availability services. This class returns the standalone variants for the checkpoint recovery factory, the submitted job graph store, the running jobs registry and the blob store.

字段概要

字段

限定符和类型	字段和说明
protected Object	lock

从接口继承的字段 org.apache.flink.runtime.highavailability.HighAvailabilityServices

DEFAULT_JOB_ID, DEFAULT_LEADER_ID

构造器概要

构造器

构造器和说明
AbstractNonHaServices()

方法概要

限定符和类型	方法和说明
protected void	checkNotShutdown()
void	close() Closes the high availability services, releasing all resources.
void	closeAndCleanupAllData() Closes the high availability services (releasing all resources) and deletes all data stored by these services in external stores.
BlobStore	createBlobStore() Creates the BLOB store in which BLOBs are stored in a highly-available fashion.
CheckpointRecoveryFactory	getCheckpointRecoveryFactory() Gets the checkpoint recovery factory for the job manager
RunningJobsRegistry	getRunningJobsRegistry() Gets the registry that holds information about whether jobs are currently running.
SubmittedJobGraphStore	getSubmittedJobGraphStore() Gets the submitted job graph store for the job manager
protected boolean	isShutDown()

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.runtime.highavailability.HighAvailabilityServices

getDispatcherLeaderElectionService, getDispatcherLeaderRetriever, getJobManagerLeaderElectionService, getJobManagerLeaderRetriever, getJobManagerLeaderRetriever, getResourceManagerLeaderElectionService, getResourceManagerLeaderRetriever, getWebMonitorLeaderElectionService, getWebMonitorLeaderRetriever

字段详细资料

lock

protected final Object lock

构造器详细资料

AbstractNonHaServices

public AbstractNonHaServices()

方法详细资料

getCheckpointRecoveryFactory

public CheckpointRecoveryFactory getCheckpointRecoveryFactory()

从接口复制的说明: HighAvailabilityServices

Gets the checkpoint recovery factory for the job manager

指定者:

getCheckpointRecoveryFactory 在接口中 HighAvailabilityServices

返回:

Checkpoint recovery factory

getSubmittedJobGraphStore

public SubmittedJobGraphStore getSubmittedJobGraphStore()
                                                 throws Exception

从接口复制的说明: HighAvailabilityServices

Gets the submitted job graph store for the job manager

指定者:

getSubmittedJobGraphStore 在接口中 HighAvailabilityServices

返回:

Submitted job graph store

抛出:

Exception - if the submitted job graph store could not be created

getRunningJobsRegistry

public RunningJobsRegistry getRunningJobsRegistry()
                                           throws Exception

从接口复制的说明: HighAvailabilityServices

Gets the registry that holds information about whether jobs are currently running.

指定者:

getRunningJobsRegistry 在接口中 HighAvailabilityServices

返回:

Running job registry to retrieve running jobs

抛出:

Exception

createBlobStore

public BlobStore createBlobStore()
                          throws IOException

从接口复制的说明: HighAvailabilityServices

Creates the BLOB store in which BLOBs are stored in a highly-available fashion.

指定者:

createBlobStore 在接口中 HighAvailabilityServices

返回:

Blob store

抛出:

IOException - if the blob store could not be created

close

public void close()
           throws Exception

从接口复制的说明: HighAvailabilityServices

Closes the high availability services, releasing all resources.

This method does not delete or clean up any data stored in external stores (file systems, ZooKeeper, etc). Another instance of the high availability services will be able to recover the job.

If an exception occurs during closing services, this method will attempt to continue closing other services and report exceptions only after all services have been attempted to be closed.

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 HighAvailabilityServices

抛出:

Exception - Thrown, if an exception occurred while closing these services.

closeAndCleanupAllData

public void closeAndCleanupAllData()
                            throws Exception

从接口复制的说明: HighAvailabilityServices

Closes the high availability services (releasing all resources) and deletes all data stored by these services in external stores.

After this method was called, the any job or session that was managed by these high availability services will be unrecoverable.

If an exception occurs during cleanup, this method will attempt to continue the cleanup and report exceptions only after all cleanup steps have been attempted.

指定者:

closeAndCleanupAllData 在接口中 HighAvailabilityServices

抛出:

Exception - Thrown, if an exception occurred while closing these services or cleaning up data stored by them.

checkNotShutdown

protected void checkNotShutdown()

isShutDown

protected boolean isShutDown()