hadoop SchedulerApplication 源码
haddop SchedulerApplication 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplication.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.server.resourcemanager.scheduler;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
@Private
@Unstable
public class SchedulerApplication<T extends SchedulerApplicationAttempt> {
private Queue queue;
private final String user;
private volatile T currentAttempt;
private volatile Priority priority;
private boolean unmanagedAM;
public SchedulerApplication(Queue queue, String user, boolean unmanagedAM) {
this.queue = queue;
this.user = user;
this.unmanagedAM = unmanagedAM;
this.priority = null;
}
public SchedulerApplication(Queue queue, String user, Priority priority,
boolean unmanagedAM) {
this.queue = queue;
this.user = user;
this.unmanagedAM = unmanagedAM;
this.priority = priority;
}
public Queue getQueue() {
return queue;
}
public void setQueue(Queue queue) {
this.queue = queue;
}
public String getUser() {
return user;
}
public T getCurrentAppAttempt() {
return currentAttempt;
}
public void setCurrentAppAttempt(T currentAttempt) {
this.currentAttempt = currentAttempt;
}
public void stop(RMAppState rmAppFinalState) {
queue.getMetrics().finishApp(user, rmAppFinalState, isUnmanagedAM());
}
public Priority getPriority() {
return priority;
}
public void setPriority(Priority priority) {
this.priority = priority;
// Also set priority in current running attempt
if (null != currentAttempt) {
currentAttempt.setPriority(priority);
}
}
public boolean isUnmanagedAM() {
return unmanagedAM;
}
}
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