hadoop CSConfigurationProvider 源码
haddop CSConfigurationProvider 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/capacity/conf/CSConfigurationProvider.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.capacity.conf;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
import java.io.IOException;
/**
* Configuration provider for {@link CapacityScheduler}.
*/
public interface CSConfigurationProvider {
/**
* Initialize the configuration provider with given conf.
* @param conf configuration to initialize with
* @throws IOException if initialization fails due to misconfiguration
*/
void init(Configuration conf) throws IOException;
/**
* Loads capacity scheduler configuration object.
* @param conf initial bootstrap configuration
* @return CS configuration
* @throws IOException if fail to retrieve configuration
*/
CapacitySchedulerConfiguration loadConfiguration(Configuration conf)
throws IOException;
}
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