public void Handle(SampleVersionChanged e)
        {
            using (var db = new ProjectSampleDatabase())
            {
                var existed = db.Samples.FirstOrDefault(i => i.Id == e.SampleId);
                if (existed == null)
                {
                    return;
                }

                existed.Version = e.SampleVersion;

                db.SaveChanges();
            }


            Console.WriteLine($"Save to DbRead for SampleVersionChanged.Id{e.SampleId}");
        }
 void Apply(SampleVersionChanged e)
 {
     _version = e.SampleVersion;
 }