public static Integer getPluginDataVersion(String pluginId) {
   PluginDataVersionDao dao = Services.getServices().getDbi().open(PluginDataVersionDao.class);
   DataVersion dataVersion = dao.findDataUpdateVersion(pluginId);
   Services.getServices().getDbi().close(dao);
   return (dataVersion == null ? null : dataVersion.getDataVersion());
 }
 public static Integer getDataVersion() {
   DataVersionDao dao = Services.getServices().getDbi().open(DataVersionDao.class);
   DataVersion dataVersion = dao.findDataUpdateVersion();
   Services.getServices().getDbi().close(dao);
   return (dataVersion == null ? null : dataVersion.getDataVersion());
 }