hadoop ConstraintPlacementAlgorithm 源码
haddop ConstraintPlacementAlgorithm 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/ConstraintPlacementAlgorithm.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.server.resourcemanager.RMContext;
/**
* Marker interface for a Constraint Placement. The only contract is that it
* should be initialized with the RMContext.
*/
public interface ConstraintPlacementAlgorithm {
/**
* Initialize the Algorithm.
* @param rmContext RMContext.
*/
void init(RMContext rmContext);
/**
* The Algorithm is expected to compute the placement of the provided
* ConstraintPlacementAlgorithmInput and use the collector to aggregate
* any output.
* @param algorithmInput Input to the Algorithm.
* @param collector Collector for output of algorithm.
*/
void place(ConstraintPlacementAlgorithmInput algorithmInput,
ConstraintPlacementAlgorithmOutputCollector collector);
}
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hadoop ConstraintPlacementAlgorithmInput 源码
hadoop ConstraintPlacementAlgorithmOutput 源码
hadoop ConstraintPlacementAlgorithmOutputCollector 源码
hadoop PlacedSchedulingRequest 源码
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