hadoop KillApplicationResponse 源码
haddop KillApplicationResponse 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/KillApplicationResponse.java
/**
* 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.hadoop.yarn.api.protocolrecords;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Stable;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
import org.apache.hadoop.yarn.util.Records;
/**
* The response sent by the <code>ResourceManager</code> to the client aborting
* a submitted application.
* <p>
* The response, includes:
* <ul>
* <li>
* A flag which indicates that the process of killing the application is
* completed or not.
* </li>
* </ul>
* Note: user is recommended to wait until this flag becomes true, otherwise if
* the <code>ResourceManager</code> crashes before the process of killing the
* application is completed, the <code>ResourceManager</code> may retry this
* application on recovery.
*
* @see ApplicationClientProtocol#forceKillApplication(KillApplicationRequest)
*/
@Public
@Stable
public abstract class KillApplicationResponse {
@Private
@Unstable
public static KillApplicationResponse newInstance(boolean isKillCompleted) {
KillApplicationResponse response =
Records.newRecord(KillApplicationResponse.class);
response.setIsKillCompleted(isKillCompleted);
return response;
}
/**
* Get the flag which indicates that the process of killing application is completed or not.
* @return true if the process of killing application has completed,
* false otherwise
*/
@Public
@Stable
public abstract boolean getIsKillCompleted();
/**
* Set the flag which indicates that the process of killing application is completed or not.
*/
@Private
@Unstable
public abstract void setIsKillCompleted(boolean isKillCompleted);
}
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