hadoop ContainerRequestEvent 源码
haddop ContainerRequestEvent 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/ContainerRequestEvent.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.v2.app.rm;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
import org.apache.hadoop.yarn.api.records.Resource;
public class ContainerRequestEvent extends ContainerAllocatorEvent {
private final Resource capability;
private final String[] hosts;
private final String[] racks;
private boolean earlierAttemptFailed = false;
public ContainerRequestEvent(TaskAttemptId attemptID,
Resource capability,
String[] hosts, String[] racks) {
super(attemptID, ContainerAllocator.EventType.CONTAINER_REQ);
this.capability = capability;
this.hosts = hosts;
this.racks = racks;
}
ContainerRequestEvent(TaskAttemptId attemptID, Resource capability) {
this(attemptID, capability, new String[0], new String[0]);
this.earlierAttemptFailed = true;
}
public static ContainerRequestEvent createContainerRequestEventForFailedContainer(
TaskAttemptId attemptID,
Resource capability) {
//ContainerRequest for failed events does not consider rack / node locality?
return new ContainerRequestEvent(attemptID, capability);
}
public Resource getCapability() {
return capability;
}
public String[] getHosts() {
return hosts;
}
public String[] getRacks() {
return racks;
}
public boolean getEarlierAttemptFailed() {
return earlierAttemptFailed;
}
}
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