org.apache.flink.runtime.checkpoint

Interface CheckpointRecoveryFactory

All Known Implementing Classes:

StandaloneCheckpointRecoveryFactory, ZooKeeperCheckpointRecoveryFactory

public interface CheckpointRecoveryFactory

A factory for per Job checkpoint recovery components.

Method Summary

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.

Method Detail

createCheckpointStore

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

Creates a CompletedCheckpointStore instance for a job.

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

CheckpointIDCounter createCheckpointIDCounter(JobID jobId)
                                       throws Exception

Creates a CheckpointIDCounter instance for a job.

Parameters:

jobId - Job ID to recover checkpoints for

Returns:

CheckpointIDCounter instance for the job

Throws:

Exception