hadoop JobStatusChangedEvent 源码

  • 2022-10-20
  • 浏览 (145)

haddop JobStatusChangedEvent 代码

文件路径:/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobStatusChangedEvent.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 the change of status for a job
 *
 */
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class JobStatusChangedEvent implements HistoryEvent {
  private JobStatusChanged datum = new JobStatusChanged();

  /**
   * Create an event to record the change in the Job Status
   * @param id Job ID
   * @param jobStatus The new job status
   */
  public JobStatusChangedEvent(JobID id, String jobStatus) {
    datum.setJobid(new Utf8(id.toString()));
    datum.setJobStatus(new Utf8(jobStatus));
  }

  JobStatusChangedEvent() {}

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

  /** Get the Job Id */
  public JobID getJobId() { return JobID.forName(datum.getJobid().toString()); }
  /** Get the event status */
  public String getStatus() { return datum.getJobStatus().toString(); }
  /** Get the event type */
  public EventType getEventType() {
    return EventType.JOB_STATUS_CHANGED;
  }

  @Override
  public TimelineEvent toTimelineEvent() {
    TimelineEvent tEvent = new TimelineEvent();
    tEvent.setId(StringUtils.toUpperCase(getEventType().name()));
    tEvent.addInfo("STATUS", getStatus());
    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