org.apache.flink.runtime.query

Interface KvStateRegistryListener

All Known Implementing Classes:

ActorGatewayKvStateRegistryListener, RpcKvStateRegistryListener

public interface KvStateRegistryListener

A listener for a KvStateRegistry.

The registry calls these methods when KvState instances are registered and unregistered.

Method Summary

Methods

Modifier and Type	Method and Description
void	notifyKvStateRegistered(JobID jobId, JobVertexID jobVertexId, KeyGroupRange keyGroupRange, String registrationName, KvStateID kvStateId) Notifies the listener about a registered KvState instance.
void	notifyKvStateUnregistered(JobID jobId, JobVertexID jobVertexId, KeyGroupRange keyGroupRange, String registrationName) Notifies the listener about an unregistered KvState instance.

Method Detail

notifyKvStateRegistered

void notifyKvStateRegistered(JobID jobId,
                           JobVertexID jobVertexId,
                           KeyGroupRange keyGroupRange,
                           String registrationName,
                           KvStateID kvStateId)

Notifies the listener about a registered KvState instance.

Parameters:

jobId - Job ID the KvState instance belongs to

jobVertexId - JobVertexID the KvState instance belongs to

keyGroupRange - Key group range the KvState instance belongs to

registrationName - Name under which the KvState is registered

kvStateId - ID of the KvState instance

notifyKvStateUnregistered

void notifyKvStateUnregistered(JobID jobId,
                             JobVertexID jobVertexId,
                             KeyGroupRange keyGroupRange,
                             String registrationName)

Notifies the listener about an unregistered KvState instance.

Parameters:

jobId - Job ID the KvState instance belongs to

jobVertexId - JobVertexID the KvState instance belongs to

keyGroupRange - Key group range the KvState instance belongs to

registrationName - Name under which the KvState is registered