hadoop PendingAskUpdateResult 源码
haddop PendingAskUpdateResult 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/placement/PendingAskUpdateResult.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.placement;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.PendingAsk;
/**
* Result of a resource-request update. This will be used by
* {@link org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo}
* to update queue metrics and application/queue's overall pending resources.
* And this is per-scheduler-key.
*
* Following fields will be set if pending ask changed for a given scheduler key
* - lastPendingAsk: how many resource asked before.
* - newPendingAsk: how many resource asked now.
* - lastNodePartition: what's the node partition before.
* - newNodePartition: what's the node partition now.
*/
public class PendingAskUpdateResult {
private final PendingAsk lastPendingAsk;
private final String lastNodePartition;
private final PendingAsk newPendingAsk;
private final String newNodePartition;
public PendingAskUpdateResult(PendingAsk lastPendingAsk,
PendingAsk newPendingAsk, String lastNodePartition,
String newNodePartition) {
this.lastPendingAsk = lastPendingAsk;
this.newPendingAsk = newPendingAsk;
this.lastNodePartition = lastNodePartition;
this.newNodePartition = newNodePartition;
}
public PendingAsk getLastPendingAsk() {
return lastPendingAsk;
}
public PendingAsk getNewPendingAsk() {
return newPendingAsk;
}
public String getLastNodePartition() {
return lastNodePartition;
}
public String getNewNodePartition() {
return newNodePartition;
}
@Override
public String toString() {
return "PendingAskUpdateResult{" + "lastPendingAsk=" + lastPendingAsk
+ ", lastNodePartition='" + lastNodePartition + '\''
+ ", newPendingAsk=" + newPendingAsk + ", newNodePartition='"
+ newNodePartition + '\'' + '}';
}
}
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