org.apache.flink.runtime.query

Interface KvStateRegistryListener

All Known Implementing Classes:

RpcKvStateRegistryListener

public interface KvStateRegistryListener

A listener for a KvStateRegistry.

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

Method Summary

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

Method Detail

notifyKvStateRegistered

void notifyKvStateRegistered(org.apache.flink.api.common.JobID jobId,
                             JobVertexID jobVertexId,
                             KeyGroupRange keyGroupRange,
                             String registrationName,
                             org.apache.flink.queryablestate.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(org.apache.flink.api.common.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