org.apache.flink.runtime.taskmanager.ActorGatewayCheckpointResponder 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.runtime.checkpoint.CheckpointMetrics;
import org.apache.flink.runtime.checkpoint.TaskStateSnapshot;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
import org.apache.flink.runtime.instance.ActorGateway;
import org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint;
import org.apache.flink.runtime.messages.checkpoint.DeclineCheckpoint;
import org.apache.flink.util.Preconditions;
/**
* Implementation using {@link ActorGateway} to forward the messages.
*/
public class ActorGatewayCheckpointResponder implements CheckpointResponder {
private final ActorGateway actorGateway;
public ActorGatewayCheckpointResponder(ActorGateway actorGateway) {
this.actorGateway = Preconditions.checkNotNull(actorGateway);
}
@Override
public void acknowledgeCheckpoint(
JobID jobID,
ExecutionAttemptID executionAttemptID,
long checkpointId,
CheckpointMetrics checkpointMetrics,
TaskStateSnapshot checkpointStateHandles) {
AcknowledgeCheckpoint message = new AcknowledgeCheckpoint(
jobID, executionAttemptID, checkpointId, checkpointMetrics,
checkpointStateHandles);
actorGateway.tell(message);
}
@Override
public void declineCheckpoint(
JobID jobID,
ExecutionAttemptID executionAttemptID,
long checkpointId,
Throwable reason) {
DeclineCheckpoint decline = new DeclineCheckpoint(
jobID,
executionAttemptID,
checkpointId,
reason);
actorGateway.tell(decline);
}
}