@Subscribe
  @AllowConcurrentEvents
  public void onEvent(AlertDefinitionDisabledEvent event) {
    LOG.debug("Received event {}", event);

    m_alertsDao.removeCurrentDisabledAlerts();

    // send API STOMP alert update
    Map<Long, Map<String, AlertSummaryGroupedRenderer.AlertDefinitionSummary>> alertUpdates = new HashMap<>();
    alertUpdates.put(event.getClusterId(), AlertSummaryGroupedRenderer.generateEmptySummary(event.getDefinitionId(),
        event.getDefinitionName()));
    STOMPUpdatePublisher.publish(new AlertUpdateEvent(alertUpdates));
  }
Removes any {@link AlertCurrentEntity} instance associated with the
specified alert definition.
ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertDefinitionDisabledListener.java