hadoop YarnClientProtocolProvider 源码
haddop YarnClientProtocolProvider 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YarnClientProtocolProvider.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.mapred;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.protocol.ClientProtocol;
import org.apache.hadoop.mapreduce.protocol.ClientProtocolProvider;
public class YarnClientProtocolProvider extends ClientProtocolProvider {
@Override
public ClientProtocol create(Configuration conf) throws IOException {
if (MRConfig.YARN_FRAMEWORK_NAME.equals(conf.get(MRConfig.FRAMEWORK_NAME))) {
return new YARNRunner(conf);
}
return null;
}
@Override
public ClientProtocol create(InetSocketAddress addr, Configuration conf)
throws IOException {
return create(conf);
}
@Override
public void close(ClientProtocol clientProtocol) throws IOException {
if (clientProtocol instanceof YARNRunner) {
((YARNRunner)clientProtocol).close();
}
}
}
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