How to use

getNextSPSPath

method

in

org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

@Override
public Long getNextSPSPath() {
 try {
  return nnc.getNNProtocolConnection().getNextSPSPath();
 } catch (IOException e) {
  LOG.warn("Exception while getting next sps path id from Namenode.", e);
  return null;
 }
}

 @Override
 public GetNextSPSPathResponseProto getNextSPSPath(
   RpcController controller, GetNextSPSPathRequestProto request)
     throws ServiceException {
  try {
   Long nextSPSPath = impl.getNextSPSPath();
   if (nextSPSPath == null) {
    return GetNextSPSPathResponseProto.newBuilder().build();
   }
   return GetNextSPSPathResponseProto.newBuilder().setSpsPath(nextSPSPath)
     .build();
  } catch (IOException e) {
   throw new ServiceException(e);
  }
 }
}