code: public final void flush(CacheEvent event, boolean propagate){
          doFlush(event);
          if(propagate){
              propagate(event);
          }
  
              String message = "Cache purged: " + (event.getType() == CacheEvent.CacheEventType.ALL
                      ? "all caches" : "table: " + event.getGroup());
              LogFilter.log(LOGGER, LogLevel.DEBUG, message);
      }
docs: Flashes cache.
  
  @param propagate true to propagate event to listeners, false to not propagate
  @param event type of caches to flush.