org.apache.flink.runtime.messages.checkpoint.NotifyCheckpointComplete Maven / Gradle / Ivy
/*
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.messages.checkpoint;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
/**
* This message is sent from the {@link org.apache.flink.runtime.jobmanager.JobManager} to the
* {@link org.apache.flink.runtime.taskmanager.TaskManager} to tell a task that the checkpoint
* has been confirmed and that the task can commit the checkpoint to the outside world.
*/
public class NotifyCheckpointComplete extends AbstractCheckpointMessage implements java.io.Serializable {
private static final long serialVersionUID = 2094094662279578953L;
/** The timestamp associated with the checkpoint */
private final long timestamp;
public NotifyCheckpointComplete(JobID job, ExecutionAttemptID taskExecutionId, long checkpointId, long timestamp) {
super(job, taskExecutionId, checkpointId);
this.timestamp = timestamp;
}
// --------------------------------------------------------------------------------------------
public long getTimestamp() {
return timestamp;
}
// --------------------------------------------------------------------------------------------
@Override
public int hashCode() {
return super.hashCode() + (int) (timestamp ^ (timestamp >>> 32));
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
else if (o instanceof NotifyCheckpointComplete) {
NotifyCheckpointComplete that = (NotifyCheckpointComplete) o;
return this.timestamp == that.timestamp && super.equals(o);
}
else {
return false;
}
}
@Override
public String toString() {
return String.format("ConfirmCheckpoint %d for (%s/%s)",
getCheckpointId(), getJob(), getTaskExecutionId());
}
}