| /** |
| * 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.webapp.dao; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.annotation.XmlTransient; |
| import javax.xml.bind.annotation.XmlType; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler; |
| |
| @XmlRootElement(name = "fairScheduler") |
| @XmlType(name = "fairScheduler") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class FairSchedulerInfo extends SchedulerInfo { |
| public static final int INVALID_FAIR_SHARE = -1; |
| private FairSchedulerQueueInfo rootQueue; |
| |
| @XmlTransient |
| private FairScheduler scheduler; |
| |
| public FairSchedulerInfo() { |
| } // JAXB needs this |
| |
| public FairSchedulerInfo(FairScheduler fs) { |
| scheduler = fs; |
| rootQueue = new FairSchedulerQueueInfo(scheduler.getQueueManager(). |
| getRootQueue(), scheduler); |
| } |
| |
| /** |
| * Get the fair share assigned to the appAttemptId. |
| * @param appAttemptId |
| * @return The fair share assigned to the appAttemptId, |
| * <code>FairSchedulerInfo#INVALID_FAIR_SHARE</code> if the scheduler does |
| * not know about this application attempt. |
| */ |
| public long getAppFairShare(ApplicationAttemptId appAttemptId) { |
| FSAppAttempt fsAppAttempt = scheduler.getSchedulerApp(appAttemptId); |
| return fsAppAttempt == null ? |
| INVALID_FAIR_SHARE : fsAppAttempt.getFairShare().getMemorySize(); |
| } |
| |
| public FairSchedulerQueueInfo getRootQueueInfo() { |
| return rootQueue; |
| } |
| } |