import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SaveNamespaceRequestProto; //导入依赖的package包/类
@Override
public SaveNamespaceResponseProto saveNamespace(RpcController controller,
    SaveNamespaceRequestProto req) throws ServiceException {
  try {
    server.saveNamespace();
    return VOID_SAVENAMESPACE_RESPONSE;
  } catch (IOException e) {
    throw new ServiceException(e);
  }

}
 

import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SaveNamespaceRequestProto; //导入依赖的package包/类
@Override
public boolean saveNamespace(long timeWindow, long txGap) throws IOException {
  try {
    SaveNamespaceRequestProto req = SaveNamespaceRequestProto.newBuilder()
        .setTimeWindow(timeWindow).setTxGap(txGap).build();
    return rpcProxy.saveNamespace(null, req).getSaved();
  } catch (ServiceException e) {
    throw ProtobufHelper.getRemoteException(e);
  }
}
 

import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SaveNamespaceRequestProto; //导入依赖的package包/类
@Override
public SaveNamespaceResponseProto saveNamespace(RpcController controller,
    SaveNamespaceRequestProto req) throws ServiceException {
  try {
    final long timeWindow = req.hasTimeWindow() ? req.getTimeWindow() : 0;
    final long txGap = req.hasTxGap() ? req.getTxGap() : 0;
    boolean saved = server.saveNamespace(timeWindow, txGap);
    return SaveNamespaceResponseProto.newBuilder().setSaved(saved).build();
  } catch (IOException e) {
    throw new ServiceException(e);
  }
}