org.apache.flink.runtime.checkpoint

Class ZooKeeperCheckpointRecoveryFactory

java.lang.Object

org.apache.flink.runtime.checkpoint.ZooKeeperCheckpointRecoveryFactory

All Implemented Interfaces:

CheckpointRecoveryFactory

public class ZooKeeperCheckpointRecoveryFactory
extends Object
implements CheckpointRecoveryFactory

CheckpointCoordinator components in HighAvailabilityMode.ZOOKEEPER.

Field Summary

Fields inherited from interface org.apache.flink.runtime.checkpoint.CheckpointRecoveryFactory

NUMBER_OF_SUCCESSFUL_CHECKPOINTS_TO_RETAIN

Constructor Summary

Constructors

Constructor and Description
ZooKeeperCheckpointRecoveryFactory(org.apache.curator.framework.CuratorFramework client, Configuration config, Executor executor)

Method Summary

Methods

Modifier and Type	Method and Description
CheckpointIDCounter	createCheckpointIDCounter(JobID jobID) Creates a CheckpointIDCounter instance for a job.
CompletedCheckpointStore	createCheckpointStore(JobID jobId, int maxNumberOfCheckpointsToRetain, ClassLoader userClassLoader) Creates a CompletedCheckpointStore instance for a job.
void	start() Starts the CheckpointRecoveryFactory service.
void	stop() Stops the CheckpointRecoveryFactory service.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZooKeeperCheckpointRecoveryFactory

public ZooKeeperCheckpointRecoveryFactory(org.apache.curator.framework.CuratorFramework client,
                                  Configuration config,
                                  Executor executor)

Method Detail

start

public void start()

Description copied from interface: CheckpointRecoveryFactory

Starts the CheckpointRecoveryFactory service.

Specified by:

start in interface CheckpointRecoveryFactory

stop

public void stop()

Description copied from interface: CheckpointRecoveryFactory

Stops the CheckpointRecoveryFactory service.

Specified by:

stop in interface CheckpointRecoveryFactory

createCheckpointStore

public CompletedCheckpointStore createCheckpointStore(JobID jobId,
                                             int maxNumberOfCheckpointsToRetain,
                                             ClassLoader userClassLoader)
                                               throws Exception

Description copied from interface: CheckpointRecoveryFactory

Creates a CompletedCheckpointStore instance for a job.

Specified by:

createCheckpointStore in interface CheckpointRecoveryFactory

Parameters:

jobId - Job ID to recover checkpoints for

maxNumberOfCheckpointsToRetain - Maximum number of checkpoints to retain

userClassLoader - User code class loader of the job

Returns:

CompletedCheckpointStore instance for the job

Throws:

Exception

createCheckpointIDCounter

public CheckpointIDCounter createCheckpointIDCounter(JobID jobID)
                                              throws Exception

Description copied from interface: CheckpointRecoveryFactory

Creates a CheckpointIDCounter instance for a job.

Specified by:

createCheckpointIDCounter in interface CheckpointRecoveryFactory

Parameters:

jobID - Job ID to recover checkpoints for

Returns:

CheckpointIDCounter instance for the job

Throws:

Exception