public RegisterCustomerCommandHandler(
     IRepository <Customer> customerRepository,
     ICustomerStoreService customerStoreService,
     IClock clock)
 {
     _customerRepository   = customerRepository;
     _customerStoreService = customerStoreService;
     _clock = clock;
 }
 public DeactiveCustomerCommandHandler(IRepository <Customer> customerRepository, ICustomerStoreService customerStoreService)
 {
     _customerRepository   = customerRepository;
     _customerStoreService = customerStoreService;
 }