code: @Override
      public void servicePoolChanged(final String serviceName) {
          if (this.serviceName.equals(serviceName)) {
              logger.info("ClusteredStatReplicator::servicePoolChanged({})", serviceName);
              updateServicePool(serviceName);
          } else if (debug) {
              logger.debug("ClusteredStatReplicator::servicePoolChanged({})",
                      "got event for another service", serviceName);
          }
      }
docs: Event handler
  
  @param serviceName service name