branch-2.0.4-alpha/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/impl/pb/service/LocalizationProtocolPBServiceImpl.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.service;

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 com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;

import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalizerHeartbeatResponseProto;
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;

public class LocalizationProtocolPBServiceImpl implements LocalizationProtocolPB {

  private LocalizationProtocol real;
  
  public LocalizationProtocolPBServiceImpl(LocalizationProtocol impl) {
    this.real = impl;
  }
  
  @Override
  public LocalizerHeartbeatResponseProto heartbeat(RpcController controller,
      LocalizerStatusProto proto) throws ServiceException {
    LocalizerStatusPBImpl request = new LocalizerStatusPBImpl(proto);
    try {
      LocalizerHeartbeatResponse response = real.heartbeat(request);
      return ((LocalizerHeartbeatResponsePBImpl)response).getProto();
    } catch (YarnRemoteException e) {
      throw new ServiceException(e);
    }
  }

}