org.apache.flink.runtime.taskmanager.ActorGatewayKvStateRegistryListener Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.taskmanager;
import org.apache.flink.api.common.JobID;
import org.apache.flink.queryablestate.KvStateID;
import org.apache.flink.runtime.instance.ActorGateway;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import org.apache.flink.runtime.query.KvStateMessage;
import org.apache.flink.runtime.query.KvStateRegistryListener;
import org.apache.flink.runtime.state.KeyGroupRange;
import org.apache.flink.util.Preconditions;
import java.net.InetSocketAddress;
/**
* This implementation uses {@link ActorGateway} to forward key-value state notifications to the job
* manager. The notifications are wrapped in an actor message and send to the given actor gateway.
*/
public class ActorGatewayKvStateRegistryListener implements KvStateRegistryListener {
private ActorGateway jobManager;
private InetSocketAddress kvStateServerAddress;
public ActorGatewayKvStateRegistryListener(
ActorGateway jobManager,
InetSocketAddress kvStateServerAddress) {
this.jobManager = Preconditions.checkNotNull(jobManager, "JobManager");
this.kvStateServerAddress = Preconditions.checkNotNull(kvStateServerAddress, "ServerAddress");
}
@Override
public void notifyKvStateRegistered(
JobID jobId,
JobVertexID jobVertexId,
KeyGroupRange keyGroupRange,
String registrationName,
KvStateID kvStateId) {
Object msg = new KvStateMessage.NotifyKvStateRegistered(
jobId,
jobVertexId,
keyGroupRange,
registrationName,
kvStateId,
kvStateServerAddress);
jobManager.tell(msg);
}
@Override
public void notifyKvStateUnregistered(
JobID jobId,
JobVertexID jobVertexId,
KeyGroupRange keyGroupRange,
String registrationName) {
Object msg = new KvStateMessage.NotifyKvStateUnregistered(
jobId,
jobVertexId,
keyGroupRange,
registrationName);
jobManager.tell(msg);
}
}