hadoop JobInfoChangeEvent 源码

  • 2022-10-20
  • 浏览 (105)

haddop JobInfoChangeEvent 代码

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

import java.util.Set;

import org.apache.avro.util.Utf8;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;

/**
 * Event to record changes in the submit and launch time of
 * a job
 */
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class JobInfoChangeEvent implements HistoryEvent {
  private JobInfoChange datum = new JobInfoChange();

  /** 
   * Create a event to record the submit and launch time of a job
   * @param id Job Id 
   * @param submitTime Submit time of the job
   * @param launchTime Launch time of the job
   */
  public JobInfoChangeEvent(JobID id, long submitTime, long launchTime) {
    datum.setJobid(new Utf8(id.toString()));
    datum.setSubmitTime(submitTime);
    datum.setLaunchTime(launchTime);
  }

  JobInfoChangeEvent() { }

  public Object getDatum() { return datum; }
  public void setDatum(Object datum) {
    this.datum = (JobInfoChange)datum;
  }

  /** Get the Job ID */
  public JobID getJobId() { return JobID.forName(datum.getJobid().toString()); }
  /** Get the Job submit time */
  public long getSubmitTime() { return datum.getSubmitTime(); }
  /** Get the Job launch time */
  public long getLaunchTime() { return datum.getLaunchTime(); }

  public EventType getEventType() {
    return EventType.JOB_INFO_CHANGED;
  }

  @Override
  public TimelineEvent toTimelineEvent() {
    TimelineEvent tEvent = new TimelineEvent();
    tEvent.setId(StringUtils.toUpperCase(getEventType().name()));
    tEvent.addInfo("SUBMIT_TIME", getSubmitTime());
    tEvent.addInfo("LAUNCH_TIME", getLaunchTime());
    return tEvent;
  }

  @Override
  public Set<TimelineMetric> getTimelineMetrics() {
    return null;
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop AMStartedEvent 源码

hadoop AvroArrayUtils 源码

hadoop EventReader 源码

hadoop EventWriter 源码

hadoop HistoryEvent 源码

hadoop HistoryEventHandler 源码

hadoop HistoryViewer 源码

hadoop HistoryViewerPrinter 源码

hadoop HumanReadableHistoryViewerPrinter 源码

hadoop JSONHistoryViewerPrinter 源码

0  赞