hadoop ConstraintPlacementAlgorithmOutput 源码
haddop ConstraintPlacementAlgorithmOutput 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/constraint/api/ConstraintPlacementAlgorithmOutput.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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.constraint.api;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import java.util.ArrayList;
import java.util.List;
/**
* Encapsulates the output of the ConstraintPlacementAlgorithm. The Algorithm
* is free to produce multiple of output objects at the end of each run and it
* must use the provided ConstraintPlacementAlgorithmOutputCollector to
* aggregate/collect this output. Similar to the MapReduce Mapper/Reducer
* which is provided a collector to collect output.
*/
public class ConstraintPlacementAlgorithmOutput {
private final ApplicationId applicationId;
public ConstraintPlacementAlgorithmOutput(ApplicationId applicationId) {
this.applicationId = applicationId;
}
private final List<PlacedSchedulingRequest> placedRequests =
new ArrayList<>();
private final List<SchedulingRequestWithPlacementAttempt> rejectedRequests =
new ArrayList<>();
public List<PlacedSchedulingRequest> getPlacedRequests() {
return placedRequests;
}
public List<SchedulingRequestWithPlacementAttempt> getRejectedRequests() {
return rejectedRequests;
}
public ApplicationId getApplicationId() {
return applicationId;
}
}
相关信息
相关文章
hadoop ConstraintPlacementAlgorithm 源码
hadoop ConstraintPlacementAlgorithmInput 源码
hadoop ConstraintPlacementAlgorithmOutputCollector 源码
hadoop PlacedSchedulingRequest 源码
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