hadoop AMStartedEvent 源码

haddop AMStartedEvent 代码

文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/AMStartedEvent.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.util.StringUtils;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;

/**
 * Event to record start of a task attempt
 * 
 */
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class AMStartedEvent implements HistoryEvent {
  private AMStarted datum = new AMStarted();
  private String forcedJobStateOnShutDown;
  private long submitTime;

  /**
   * Create an event to record the start of an MR AppMaster
   * 
   * @param appAttemptId
   *          the application attempt id.
   * @param startTime
   *          the start time of the AM.
   * @param containerId
   *          the containerId of the AM.
   * @param nodeManagerHost
   *          the node on which the AM is running.
   * @param nodeManagerPort
   *          the port on which the AM is running.
   * @param nodeManagerHttpPort
   *          the httpPort for the node running the AM.
   */
  public AMStartedEvent(ApplicationAttemptId appAttemptId, long startTime,
      ContainerId containerId, String nodeManagerHost, int nodeManagerPort,
      int nodeManagerHttpPort, long submitTime) {
    this(appAttemptId, startTime, containerId, nodeManagerHost,
        nodeManagerPort, nodeManagerHttpPort, null, submitTime);
  }

  /**
   * Create an event to record the start of an MR AppMaster
   *
   * @param appAttemptId
   *          the application attempt id.
   * @param startTime
   *          the start time of the AM.
   * @param containerId
   *          the containerId of the AM.
   * @param nodeManagerHost
   *          the node on which the AM is running.
   * @param nodeManagerPort
   *          the port on which the AM is running.
   * @param nodeManagerHttpPort
   *          the httpPort for the node running the AM.
   * @param forcedJobStateOnShutDown
   *          the state to force the job into
   */
  public AMStartedEvent(ApplicationAttemptId appAttemptId, long startTime,
      ContainerId containerId, String nodeManagerHost, int nodeManagerPort,
      int nodeManagerHttpPort, String forcedJobStateOnShutDown,
      long submitTime) {
    datum.setApplicationAttemptId(new Utf8(appAttemptId.toString()));
    datum.setStartTime(startTime);
    datum.setContainerId(new Utf8(containerId.toString()));
    datum.setNodeManagerHost(new Utf8(nodeManagerHost));
    datum.setNodeManagerPort(nodeManagerPort);
    datum.setNodeManagerHttpPort(nodeManagerHttpPort);
    this.forcedJobStateOnShutDown = forcedJobStateOnShutDown;
    this.submitTime = submitTime;
  }

  AMStartedEvent() {
  }

  public Object getDatum() {
    return datum;
  }

  public void setDatum(Object datum) {
    this.datum = (AMStarted) datum;
  }

  /**
   * @return the ApplicationAttemptId
   */
  public ApplicationAttemptId getAppAttemptId() {
    return ApplicationAttemptId.fromString(
        datum.getApplicationAttemptId().toString());
  }

  /**
   * @return the start time for the MRAppMaster
   */
  public long getStartTime() {
    return datum.getStartTime();
  }

  /**
   * @return the ContainerId for the MRAppMaster.
   */
  public ContainerId getContainerId() {
    return ContainerId.fromString(datum.getContainerId().toString());
  }

  /**
   * @return the node manager host.
   */
  public String getNodeManagerHost() {
    return datum.getNodeManagerHost().toString();
  }

  /**
   * @return the node manager port.
   */
  public int getNodeManagerPort() {
    return datum.getNodeManagerPort();
  }
  
  /**
   * @return the http port for the tracker.
   */
  public int getNodeManagerHttpPort() {
    return datum.getNodeManagerHttpPort();
  }

  /**
   * @return the state to force the job into
   */
  public String getForcedJobStateOnShutDown() {
    return this.forcedJobStateOnShutDown;
  }

  /**
   * @return the submit time for the Application(Job)
   */
  public long getSubmitTime() {
    return this.submitTime;
  }

  /** Get the attempt id */

  @Override
  public EventType getEventType() {
    return EventType.AM_STARTED;
  }

  @Override
  public TimelineEvent toTimelineEvent() {
    TimelineEvent tEvent = new TimelineEvent();
    tEvent.setId(StringUtils.toUpperCase(getEventType().name()));
    tEvent.addInfo("APPLICATION_ATTEMPT_ID",
        getAppAttemptId() == null ? "" : getAppAttemptId().toString());
    tEvent.addInfo("CONTAINER_ID", getContainerId() == null ?
        "" : getContainerId().toString());
    tEvent.addInfo("NODE_MANAGER_HOST", getNodeManagerHost());
    tEvent.addInfo("NODE_MANAGER_PORT", getNodeManagerPort());
    tEvent.addInfo("NODE_MANAGER_HTTP_PORT", getNodeManagerHttpPort());
    tEvent.addInfo("START_TIME", getStartTime());
    return tEvent;
  }

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

相关信息

hadoop 源码目录

相关文章

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

hadoop JobFinishedEvent 源码