hadoop SchedulerAppReport 源码
haddop SchedulerAppReport 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/SchedulerAppReport.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 java.util.Collection;
import org.apache.hadoop.classification.InterfaceAudience.LimitedPrivate;
import org.apache.hadoop.classification.InterfaceStability.Evolving;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
/**
* Represents an application attempt, and the resources that the attempt is
* using.
*/
@Evolving
@LimitedPrivate("yarn")
public class SchedulerAppReport {
private final Collection<RMContainer> live;
private final Collection<RMContainer> reserved;
private final boolean pending;
public SchedulerAppReport(SchedulerApplicationAttempt app) {
this.live = app.getLiveContainers();
this.reserved = app.getReservedContainers();
this.pending = app.isPending();
}
/**
* Get the list of live containers
* @return All of the live containers
*/
public Collection<RMContainer> getLiveContainers() {
return live;
}
/**
* Get the list of reserved containers
* @return All of the reserved containers.
*/
public Collection<RMContainer> getReservedContainers() {
return reserved;
}
/**
* Is this application pending?
* @return true if it is else false.
*/
public boolean isPending() {
return pending;
}
}
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