/**
    * @param $item PluginMonitoringComponentscatalog object
   **/
   static function countForComponents(PluginMonitoringComponentscatalog $item) {

      $restrict = "`plugin_monitoring_componentscalalog_id` = '".$item->getField('id') ."'";

      return countElementsInTable('glpi_plugin_monitoring_componentscatalogs_components', $restrict);
   }