code: public void onUpdatedStats(ActiveMQQueueJmxStats updatedStats) {
          QueueStatisticsCollection queueStatisticsCollection;
  
          synchronized ( this.queueStats ) {
              queueStatisticsCollection = this.queueStats.get(updatedStats.getQueueName());
  
              if ( queueStatisticsCollection == null ) {
                  queueStatisticsCollection = new QueueStatisticsCollection(updatedStats.getQueueName());
                  this.queueStats.put(updatedStats.getQueueName(), queueStatisticsCollection);
              }
          }
  
          queueStatisticsCollection.onUpdatedStats(updatedStats);
      }
docs: Update the statistics in the registry given one set of polled statistics.  These statistics are assigned a
  timestamp equal to "now".
  
  @param updatedStats statistics with which to update the registry.