private void ServiceCustomer(IStoreCustomer customer, int timeOffset)
{
// perform register selection and get the selected register
var selectedRegister = customer.RegisterSelection(_registers, _customers);
// set the start time
if (selectedRegister.GetNbrCustomersInLine().Equals(0))
// start time is current time if line is empty
customer.SetStartTime(timeOffset);
else
// otherwise start time is the end time of the last customer in line
customer.SetStartTime(
selectedRegister.GetLastCustInLine()
.GetCompletionTime(selectedRegister.IsTrainingRegister()));
// put the customer in the queue
selectedRegister.PutCustomerInLine(customer as StoreCustomer);
}
