hadoop ResourceSizing 源码
haddop ResourceSizing 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceSizing.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.api.records;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* {@code ResourceSizing} contains information for the size of a
* {@link SchedulingRequest}, such as the number of requested allocations and
* the resources for each allocation.
*/
@Public
@Unstable
public abstract class ResourceSizing {
@Public
@Unstable
public static ResourceSizing newInstance(Resource resources) {
return ResourceSizing.newInstance(1, resources);
}
@Public
@Unstable
public static ResourceSizing newInstance(int numAllocations, Resource resources) {
ResourceSizing resourceSizing = Records.newRecord(ResourceSizing.class);
resourceSizing.setNumAllocations(numAllocations);
resourceSizing.setResources(resources);
return resourceSizing;
}
@Public
@Unstable
public abstract int getNumAllocations();
@Public
@Unstable
public abstract void setNumAllocations(int numAllocations);
@Public
@Unstable
public abstract Resource getResources();
@Public
@Unstable
public abstract void setResources(Resource resources);
@Override
public int hashCode() {
int result = getResources().hashCode();
result = 31 * result + getNumAllocations();
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if(obj == null || getClass() != obj.getClass()) {
return false;
}
ResourceSizing that = (ResourceSizing) obj;
if(getNumAllocations() != that.getNumAllocations()) {
return false;
}
if(!getResources().equals(that.getResources())) {
return false;
}
return true;
}
}
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