org.apache.flink.runtime.clusterframework.messages.StopCluster 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.clusterframework.messages;
import org.apache.flink.runtime.clusterframework.ApplicationStatus;
import org.apache.flink.runtime.messages.RequiresLeaderSessionID;
import static java.util.Objects.requireNonNull;
/**
* Generic message to signal the cluster framework to shut the cluster down.
*/
public class StopCluster implements RequiresLeaderSessionID, java.io.Serializable {
private static final long serialVersionUID = -8957259342982181684L;
private final ApplicationStatus finalStatus;
private final String message;
public StopCluster(ApplicationStatus finalStatus, String message) {
this.finalStatus = requireNonNull(finalStatus);
this.message = message == null ? "" : message;
}
// ------------------------------------------------------------------------
public ApplicationStatus finalStatus() {
return finalStatus;
}
public String message() {
return message;
}
// ------------------------------------------------------------------------
@Override
public String toString() {
return "StopApplication { message='" + message + "' }";
}
}