meta_list = client.get_metadata1(appender_file_id); if (meta_list != null)
meta_list = client.get_metadata1(file_id); if (meta_list != null)
meta_list = client.get_metadata1(appender_file_id); if (meta_list != null)
meta_list = client.get_metadata1(file_id); if (meta_list != null)