hadoop ApplicationMasterProtocolPBServiceImpl 源码

haddop ApplicationMasterProtocolPBServiceImpl 代码

文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ApplicationMasterProtocolPBServiceImpl.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.impl.pb.service;

import java.io.IOException;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.yarn.api.ApplicationMasterProtocol;
import org.apache.hadoop.yarn.api.ApplicationMasterProtocolPB;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.FinishApplicationMasterRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.FinishApplicationMasterResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RegisterApplicationMasterRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RegisterApplicationMasterResponsePBImpl;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.FinishApplicationMasterRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.FinishApplicationMasterResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterResponseProto;

import org.apache.hadoop.thirdparty.protobuf.RpcController;
import org.apache.hadoop.thirdparty.protobuf.ServiceException;

@Private
public class ApplicationMasterProtocolPBServiceImpl implements ApplicationMasterProtocolPB {

  private ApplicationMasterProtocol real;
  
  public ApplicationMasterProtocolPBServiceImpl(ApplicationMasterProtocol impl) {
    this.real = impl;
  }
  
  @Override
  public AllocateResponseProto allocate(RpcController arg0,
      AllocateRequestProto proto) throws ServiceException {
    AllocateRequestPBImpl request = new AllocateRequestPBImpl(proto);
    try {
      AllocateResponse response = real.allocate(request);
      return ((AllocateResponsePBImpl)response).getProto();
    } catch (YarnException e) {
      throw new ServiceException(e);
    } catch (IOException e) {
      throw new ServiceException(e);
    }
  }

  @Override
  public FinishApplicationMasterResponseProto finishApplicationMaster(
      RpcController arg0, FinishApplicationMasterRequestProto proto)
      throws ServiceException {
    FinishApplicationMasterRequestPBImpl request = new FinishApplicationMasterRequestPBImpl(proto);
    try {
      FinishApplicationMasterResponse response = real.finishApplicationMaster(request);
      return ((FinishApplicationMasterResponsePBImpl)response).getProto();
    } catch (YarnException e) {
      throw new ServiceException(e);
    } catch (IOException e) {
      throw new ServiceException(e);
    }
  }

  @Override
  public RegisterApplicationMasterResponseProto registerApplicationMaster(
      RpcController arg0, RegisterApplicationMasterRequestProto proto)
      throws ServiceException {
    RegisterApplicationMasterRequestPBImpl request = new RegisterApplicationMasterRequestPBImpl(proto);
    try {
      RegisterApplicationMasterResponse response = real.registerApplicationMaster(request);
      return ((RegisterApplicationMasterResponsePBImpl)response).getProto();
    } catch (YarnException e) {
      throw new ServiceException(e);
    } catch (IOException e) {
      throw new ServiceException(e);
    }
  }
}

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