hadoop JobStatusChangedEvent 源码
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;
}
}
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