public void init()

in omega/omega-transport/omega-transport-hystrix/src/main/java/org/apache/servicecomb/pack/omega/transport/hystrix/HystrixServiceCombAutoConfiguration.java [57:101]
37 lines of code
4 McCabe index (conditional complexity)

  public void init() {
    try {
      if (CollectionUtils.isEmpty(hystrixCallableWrappers)) {
        log.info(
            "no hystrixCallableWrapper find ,ServiceCombConcurrencyStrategy ignore Configuration");
        return;
      }
      HystrixConcurrencyStrategy concurrencyStrategy = detectRegisteredConcurrencyStrategy();
      if (concurrencyStrategy instanceof ServiceCombConcurrencyStrategy) {
        log.info(
            "Current Hystrix plugins concurrencyStrategy is ServiceCombConcurrencyStrategy ignore Configuration");
        return;
      }

      // Keeps references of existing Hystrix plugins.
      HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
          .getEventNotifier();
      HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
          .getMetricsPublisher();
      HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
          .getPropertiesStrategy();
      HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance()
          .getCommandExecutionHook();

      log.info("Current Hystrix plugins configuration is ["
          + "concurrencyStrategy [" + concurrencyStrategy + "]," + "eventNotifier ["
          + eventNotifier + "]," + "metricPublisher [" + metricsPublisher + "],"
          + "propertiesStrategy [" + propertiesStrategy + "]," + "]");
      HystrixPlugins.reset();

      // Registers existing plugins excepts the Concurrent Strategy plugin.
      HystrixPlugins.getInstance().registerConcurrencyStrategy(
          new ServiceCombConcurrencyStrategy(concurrencyStrategy, hystrixCallableWrappers));
      HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
      HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
      HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
      HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);

      log.info("Succeeded to register ServiceComb Hystrix Concurrency Strategy");

    } catch (Exception e) {
      log.error("Failed to register ServiceComb Hystrix Concurrency Strategy", e);
    }

  }