Message Handler Example

public class CustomerHandler
  {
      public void Handle(CustomerCreated customer)
      {
          // Do Insert
          DB.Customers.Add(customer.Id, new Customer{Id = customer.Id, Name = customer.Name});
      }
  }

  // ######################
  // The messages

  public interface IEvent { }

  public class CustomerCreated : IEvent
  {
      public Guid Id { get; set; }

      public string Name { get; set; }
  }

  public class Customer
  {
      public Guid Id { get; set; }
      [Required]
      public string Name { get; set; }
  }