@ Override public void invoke ( final ActionRequest req , final ActionResponse res ) throws IOException { final NotificationEntry entry = getTarget ( ) ; final String notificationId = entry . getId ( ) ; final Set < String > readNotices = this . getReadNotices ( req ) ; if ( readNotices . contains ( notificationId ) ) { readNotices . remove ( notificationId ) ; } else { readNotices . add ( notificationId ) ; } setReadNotices ( req , readNotices ) ; }
Invoking a ReadAction toggles it .