hadoop JobQueueInfo 源码

  • 2022-10-20
  • 浏览 (86)

haddop JobQueueInfo 代码

文件路径:/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobQueueInfo.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.mapred;

import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.mapreduce.QueueInfo;
import org.apache.hadoop.mapreduce.QueueState;

/**
 * Class that contains the information regarding the Job Queues which are 
 * maintained by the Hadoop Map/Reduce framework.
 */
@InterfaceAudience.Public
@InterfaceStability.Stable
public class JobQueueInfo extends QueueInfo {

  /**
   * Default constructor for Job Queue Info.
   * 
   */
  public JobQueueInfo() {
    super();  
  }

  /**
   * Construct a new JobQueueInfo object using the queue name and the
   * scheduling information passed.
   * 
   * @param queueName Name of the job queue
   * @param schedulingInfo Scheduling Information associated with the job
   * queue
   */
  public JobQueueInfo(String queueName, String schedulingInfo) {
    super(queueName, schedulingInfo);
  }
  
  JobQueueInfo(QueueInfo queue) {
    this(queue.getQueueName(), queue.getSchedulingInfo());
    setQueueState(queue.getState().getStateName());
    setQueueChildren(queue.getQueueChildren());
    setProperties(queue.getProperties());
    setJobStatuses(queue.getJobStatuses());
  }
  
  /**
   * Set the queue name of the JobQueueInfo
   * 
   * @param queueName Name of the job queue.
   */
  @InterfaceAudience.Private
  public void setQueueName(String queueName) {
    super.setQueueName(queueName);
  }

  /**
   * Set the scheduling information associated to particular job queue
   * 
   * @param schedulingInfo
   */
  @InterfaceAudience.Private
  public void setSchedulingInfo(String schedulingInfo) {
    super.setSchedulingInfo(schedulingInfo);
  }

  /**
   * Set the state of the queue
   * @param state state of the queue.
   */
  @InterfaceAudience.Private
  public void setQueueState(String state) {
    super.setState(QueueState.getState(state));
  }
  
  /**
   * Use getState() instead
   */
  @Deprecated
  public String getQueueState() {
    return super.getState().toString();
  }
  
  @InterfaceAudience.Private
  public void setChildren(List<JobQueueInfo> children) {
    List<QueueInfo> list = new ArrayList<QueueInfo>();
    for (JobQueueInfo q : children) {
      list.add(q);
    }
    super.setQueueChildren(list);
  }

  public List<JobQueueInfo> getChildren() {
    List<JobQueueInfo> list = new ArrayList<JobQueueInfo>();
    for (QueueInfo q : super.getQueueChildren()) {
      list.add((JobQueueInfo)q);
    }
    return list;
  }

  @InterfaceAudience.Private
  public void setProperties(Properties props) {
    super.setProperties(props);
  }

  /**
   * Add a child {@link JobQueueInfo} to this {@link JobQueueInfo}. Modify the
   * fully-qualified name of the child {@link JobQueueInfo} to reflect the
   * hierarchy.
   * 
   * Only for testing.
   * 
   * @param child
   */
  void addChild(JobQueueInfo child) {
    List<JobQueueInfo> children = getChildren();
    children.add(child);
    setChildren(children);
  }

  /**
   * Remove the child from this {@link JobQueueInfo}. This also resets the
   * queue-name of the child from a fully-qualified name to a simple queue name.
   * 
   * Only for testing.
   * 
   * @param child
   */
  void removeChild(JobQueueInfo child) {
    List<JobQueueInfo> children = getChildren();
    children.remove(child);
    setChildren(children);
  }

  @InterfaceAudience.Private
  public void setJobStatuses(org.apache.hadoop.mapreduce.JobStatus[] stats) {
    super.setJobStatuses(stats);
  }

}

相关信息

hadoop 源码目录

相关文章

hadoop AMFeedback 源码

hadoop BackupStore 源码

hadoop BasicTypeSorterBase 源码

hadoop BufferSorter 源码

hadoop CleanupQueue 源码

hadoop Clock 源码

hadoop ClusterStatus 源码

hadoop Counters 源码

hadoop CumulativePeriodicStats 源码

hadoop DeprecatedQueueConfigurationParser 源码

0  赞