public OperationResult<ICustomerDTO> GetCustomerByEmailAddress(string emailAddress)
{
OperationResult<ICustomerDTO> result;
ICustomerDTO customer = new CustomerDTO();
try
{
EntityConverter.FillDTOFromEntity(customerDAC.GetCustomerByEmailAddress(emailAddress), customer);
if (customer == null)
{
result = OperationResult<ICustomerDTO>.CreateFailureResult("The customer object being retrieved is null!");
}
else
{
result = OperationResult<ICustomerDTO>.CreateSuccessResult(customer, "Customer object fetched successfully!");
}
}
catch (DataAccessException dacEx)
{
this.ExceptionManager.HandleException(dacEx);
result = OperationResult<ICustomerDTO>.CreateErrorResult(dacEx.Message, dacEx.StackTrace);
}
catch (Exception ex)
{
throw new BusinessDomainException("An error occured in business layer while fetching customer through his email address", ex.InnerException);
}
return result;
}
static void Main(string[] args)
{
CustomerDAC customerDAC = new CustomerDAC();
CustomerDTO customerDTO = new CustomerDTO();
EntityConverter.FillDTOFromEntity(customerDAC.GetCustomerByEmailAddress("*****@*****.**"), customerDTO);
Customer customer = new Customer();
EntityConverter.FillEntityFromDTO(customerDTO, customer);
}