Demystifying CQRS: A Practical Approach – Simple CQRS (2)

CustomerService.rb

# CustomerWriteService
#   void MakeCustomerPreferred(CustomerId)
#   void ChangeCustomerLocale(CustomerId, NewLocale)
#   void CreateCustomer(Customer)
#   void EditCustomerDetails(CustomerDetails)

# CustomerReadService
#   Customer GetCustomer(CustomerId)
#   CustomerSet GetCustomersWithName(Name)
#   CustomerSet GetPreferredCustomers()