hadoop NormalizedResourceEvent 源码
haddop NormalizedResourceEvent 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/NormalizedResourceEvent.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.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.mapreduce.TaskType;
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 normalized map/reduce requirements.
*
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class NormalizedResourceEvent implements HistoryEvent {
private long memory;
private TaskType taskType;
/**
* Normalized request when sent to the Resource Manager.
* @param taskType the tasktype of the request.
* @param memory the normalized memory requirements.
*/
public NormalizedResourceEvent(TaskType taskType, long memory) {
this.memory = memory;
this.taskType = taskType;
}
/**
* the tasktype for the event.
* @return the tasktype for the event.
*/
public TaskType getTaskType() {
return this.taskType;
}
/**
* the normalized memory
* @return the normalized memory
*/
public long getMemory() {
return this.memory;
}
@Override
public EventType getEventType() {
return EventType.NORMALIZED_RESOURCE;
}
@Override
public Object getDatum() {
throw new UnsupportedOperationException("Not a seriable object");
}
@Override
public void setDatum(Object datum) {
throw new UnsupportedOperationException("Not a seriable object");
}
@Override
public TimelineEvent toTimelineEvent() {
TimelineEvent tEvent = new TimelineEvent();
tEvent.setId(StringUtils.toUpperCase(getEventType().name()));
tEvent.addInfo("MEMORY", "" + getMemory());
tEvent.addInfo("TASK_TYPE", getTaskType());
return tEvent;
}
@Override
public Set<TimelineMetric> getTimelineMetrics() {
return null;
}
}
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