@Transactional(readOnly = true)
 public PluginConfig findByPluginId(String pluginId) {
   return pluginConfigDao.findByPluginId(pluginId);
 }
 @Transactional(readOnly = true)
 public boolean pluginIdExists(String pluginId) {
   return pluginConfigDao.pluginIdExists(pluginId);
 }