import org.apache.hadoop.mapreduce.v2.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl; //导入依赖的package包/类
@Override
public RenewDelegationTokenResponseProto renewDelegationToken(
    RpcController controller, RenewDelegationTokenRequestProto proto)
    throws ServiceException {
  RenewDelegationTokenRequestPBImpl request =
      new RenewDelegationTokenRequestPBImpl(proto);
    try {
      RenewDelegationTokenResponse response = real.renewDelegationToken(request);
      return ((RenewDelegationTokenResponsePBImpl)response).getProto();
    } catch (IOException e) {
      throw new ServiceException(e);
    }
}
 

import org.apache.hadoop.mapreduce.v2.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl; //导入依赖的package包/类
@Override
public RenewDelegationTokenResponse renewDelegationToken(
    RenewDelegationTokenRequest request) throws IOException {
  RenewDelegationTokenRequestProto requestProto = 
      ((RenewDelegationTokenRequestPBImpl) request).getProto();
  try {
    return new RenewDelegationTokenResponsePBImpl(proxy.renewDelegationToken(
        null, requestProto));
  } catch (ServiceException e) {
    throw unwrapAndThrowException(e);
  }
}