var dispatcher = properties.dispatcherType match {
      case EXECUTOR_BASED_EVENT_DRIVEN => Dispatchers.newExecutorBasedEventDrivenDispatcher(properties.name)
      case REACTOR_BASED_THREAD_POOL_EVENT_DRIVEN => Dispatchers.newReactorBasedThreadPoolEventDrivenDispatcher(properties.name)
      case REACTOR_BASED_SINGLE_THREAD_EVENT_DRIVEN => Dispatchers.newReactorBasedSingleThreadEventDrivenDispatcher(properties.name)
      case THREAD_BASED => throw new IllegalArgumentException("not implemented yet") //FIXME
      case _ => throw new IllegalArgumentException("unknown dispatcher type")
    }