hadoop CompoundComparator 源码
haddop CompoundComparator 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/policy/CompoundComparator.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.policy;
import java.util.*;
//Some policies will use multiple comparators joined together
class CompoundComparator implements Comparator<SchedulableEntity> {
List<Comparator<SchedulableEntity>> comparators;
CompoundComparator(List<Comparator<SchedulableEntity>> comparators) {
this.comparators = comparators;
}
@Override
public int compare(final SchedulableEntity r1, final SchedulableEntity r2) {
for (Comparator<SchedulableEntity> comparator : comparators) {
int result = comparator.compare(r1, r2);
if (result != 0) return result;
}
return 0;
}
}
相关信息
相关文章
hadoop AbstractComparatorOrderingPolicy 源码
hadoop FifoOrderingPolicyForPendingApps 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦