public TaskMessageHandler(IServiceProvider rootServices)
{
RootServices = rootServices;
Type loggerType = typeof(ILogger <>);
this.Logger = (ILogger)RootServices.GetRequiredService(loggerType.MakeGenericType(this.GetType()));
this.ExecutorFactory = new Lazy <IExecutorFactory>(() => { var res = new ExecutorFactory(); res.LoadExecutorInfo(); return(res); }, true);
}