hadoop AllocationActivity 源码
haddop AllocationActivity 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/activities/AllocationActivity.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.yarn.server.resourcemanager.scheduler.activities;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/*
* It records an activity operation in allocation,
* which can be classified as queue, application or container activity.
* Other information include state, diagnostic, priority.
*/
public class AllocationActivity {
private String childName = null;
private String parentName = null;
private Integer appPriority = null;
private Integer requestPriority = null;
private ActivityState state;
private String diagnostic = null;
private NodeId nodeId;
private Long allocationRequestId;
private ActivityLevel level;
private static final Logger LOG =
LoggerFactory.getLogger(AllocationActivity.class);
public AllocationActivity(String parentName, String queueName,
Integer priority, ActivityState state, String diagnostic,
ActivityLevel level, NodeId nodeId, Long allocationRequestId) {
this.childName = queueName;
this.parentName = parentName;
if (level != null) {
this.level = level;
switch (level) {
case APP:
this.appPriority = priority;
break;
case REQUEST:
this.requestPriority = priority;
this.allocationRequestId = allocationRequestId;
break;
case NODE:
this.nodeId = nodeId;
break;
default:
break;
}
}
this.state = state;
this.diagnostic = diagnostic;
}
public ActivityNode createTreeNode() {
return new ActivityNode(this.childName, this.parentName,
this.level == ActivityLevel.APP ?
this.appPriority : this.requestPriority,
this.state, this.diagnostic, this.level,
this.nodeId, this.allocationRequestId);
}
public String getName() {
return this.childName;
}
public String getState() {
return this.state.toString();
}
}
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