public class IoCJobFactory : IJobFactory
    {
        private static readonly Dictionary<IJob, IServiceScope> scopeDict = new  Dictionary<IJob, IServiceScope>();
        private readonly IServiceProvider _factory;

        public IoCJobFactory(IServiceProvider factory)
        {
            _factory = factory;
        }
        public IJob NewJob(TriggerFiredBundle bundle, IScheduler scheduler)
        {
            try
            {
                var scope = _factory.CreateScope();
                var result = scope.ServiceProvider.GetService(bundle.JobDetail.JobType) as IJob;
                scopeDict.Add(result,scope);
                return result;
            }
            catch (Exception e)
            {
                Log.Logger.Error("Error creating job  {error}", e);
                return default(IJob);
            }

        }

        public void ReturnJob(IJob job)
        {
            if (!(job is IDisposable disposable)) return;
            disposable.Dispose();
            scopeDict[job]?.Dispose();
            scopeDict.Remove(job);
        }
    }