code: public void stop()
     {
        if (workerTimer != null)
        {
           try
           {
              workerTimer.cancel();
           }
           catch (Throwable e) //NOSONAR
           {
              LOG.warn(this.name + " cache, stop error " + e.getMessage());
           }
        }
  
        nodesCache.clear();
        propertiesCache.clear();
        cache.clear();
     }
docs: {@inheritDoc}