private void onSalesDataSetOutdated(@Observes DataSetModifiedEvent event) {
checkNotNull("event", event);
String targetUUID = event.getDataSetMetadata().getUUID();
if (SALES_OPPS.equals(targetUUID)) {
workbenchNotification.fire(new NotificationEvent("The sales data set has been modified. Refreshing the dashboard ...", INFO));
salesGoalsWidget.redrawAll();
salesByCountryWidget.redrawAll();
salesByDateWidget.redrawAll();
salesReportsWidget.redrawAll();
}