hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/FairSchedulerQueueInfoList.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.webapp.dao;

import java.util.ArrayList;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;

/**
 * FairScheduler QueueInfo list used for mapping to XML or JSON.
 */
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class FairSchedulerQueueInfoList {
  private ArrayList<FairSchedulerQueueInfo> queue;

  public FairSchedulerQueueInfoList() {
    queue = new ArrayList<>();
  }

  public ArrayList<FairSchedulerQueueInfo> getQueueInfoList() {
    return this.queue;
  }

  public boolean addToQueueInfoList(FairSchedulerQueueInfo e) {
    return this.queue.add(e);
  }

  public FairSchedulerQueueInfo getQueueInfo(int i) {
    return this.queue.get(i);
  }
}