code: @Override
  	public Notifier getNotifier(SupportedNotifier notifier) {
  		switch (notifier) {
  		case CALLBACK:
  			return _notifierFactory.getCallbackNotifier();
  		case EMAIL:
  			return _notifierFactory.getEmailNotifier();
  		case GOC:
  			return _notifierFactory.getGOCNotifier();
  		case DATABASE:
  			return _notifierFactory.getDBNotifier();
  		case WARDENAPI:
  			return _notifierFactory.getWardenApiNotifier();
  		case WARDENPOSTING:
  			return _notifierFactory.getWardenPostingNotifier();
  		case GUS:
  			return _notifierFactory.getGusNotifier();
  		case REFOCUS:
  			return _notifierFactory.getRefocusNotifier();
  		default:
  			return _notifierFactory.getDBNotifier();
  		}
  	}
docs: Returns an instance of a supported notifier.
  
  @param   notifier  The supported notifier to obtain an instance for.
  
  @return  The notifier instance.