hadoop LocalizationProtocolPBClientImpl 源码
haddop LocalizationProtocolPBClientImpl 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/impl/pb/client/LocalizationProtocolPBClientImpl.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.nodemanager.api.impl.pb.client;
import java.io.Closeable;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ipc.ProtobufRpcEngine2;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.ipc.RPCUtil;
import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalizerStatusProto;
import org.apache.hadoop.yarn.server.nodemanager.api.LocalizationProtocol;
import org.apache.hadoop.yarn.server.nodemanager.api.LocalizationProtocolPB;
import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalizerHeartbeatResponse;
import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalizerStatus;
import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.impl.pb.LocalizerHeartbeatResponsePBImpl;
import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.impl.pb.LocalizerStatusPBImpl;
import org.apache.hadoop.thirdparty.protobuf.ServiceException;
public class LocalizationProtocolPBClientImpl implements LocalizationProtocol,
Closeable {
private LocalizationProtocolPB proxy;
public LocalizationProtocolPBClientImpl(long clientVersion, InetSocketAddress addr, Configuration conf) throws IOException {
RPC.setProtocolEngine(conf, LocalizationProtocolPB.class,
ProtobufRpcEngine2.class);
proxy = (LocalizationProtocolPB)RPC.getProxy(
LocalizationProtocolPB.class, clientVersion, addr, conf);
}
@Override
public void close() {
if (this.proxy != null) {
RPC.stopProxy(this.proxy);
}
}
@Override
public LocalizerHeartbeatResponse heartbeat(LocalizerStatus status)
throws YarnException, IOException {
LocalizerStatusProto statusProto = ((LocalizerStatusPBImpl)status).getProto();
try {
return new LocalizerHeartbeatResponsePBImpl(
proxy.heartbeat(null, statusProto));
} catch (ServiceException e) {
RPCUtil.unwrapAndThrowException(e);
return null;
}
}
}
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