hadoop ApplicationPlacementContext 源码
haddop ApplicationPlacementContext 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/placement/ApplicationPlacementContext.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.placement;
/**
* Each placement rule when it successfully places an application onto a queue
* returns a PlacementRuleContext which encapsulates the queue the
* application was mapped to and any parent queue for the queue (if configured)
*/
public class ApplicationPlacementContext {
private String queue;
private String parentQueue;
public ApplicationPlacementContext(String queue) {
this(queue,null);
}
public ApplicationPlacementContext(String queue, String parentQueue) {
this.queue = queue;
this.parentQueue = parentQueue;
}
public String getQueue() {
return queue;
}
public void setQueue(String q) {
queue = q;
}
public String getParentQueue() {
return parentQueue;
}
public boolean hasParentQueue() {
return parentQueue != null;
}
public String getFullQueuePath() {
if (parentQueue != null) {
return parentQueue + "." + queue;
} else {
return queue;
}
}
}
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