示例#1
0
 //assign a customer to this register
 public void AssignCustomerToThisRegister(Customer customer)
 {
     // if we have customer already in this register we are calculating the total time taken for this register to process this customer
     if (Customers != null && Customers.Any())
     {
         if (Customers.Last().ElapsedTimeToCompleteThisCustomer > customer.ArrivalTime)
         {
             customer.ElapsedTimeToCompleteThisCustomer = Customers.Last().ElapsedTimeToCompleteThisCustomer + (TimeTakenToProcessEachItem * customer.Items);
         }
         else
         {
             customer.ElapsedTimeToCompleteThisCustomer = customer.ArrivalTime + (TimeTakenToProcessEachItem * customer.Items);
         }
     }
     else
     {
         customer.ElapsedTimeToCompleteThisCustomer = customer.ArrivalTime + (customer.Items * TimeTakenToProcessEachItem) - 1;
     }
     Customers.Add(customer);
 }
示例#2
0
        public static void ProcessFile(StreamReader file)
        {
            var noOfRegisters = 0;
            int counter = 0;
            string line;

            while ((line = file.ReadLine()) != null)
            {
                if (counter == 0)
                {
                    noOfRegisters = int.Parse(line);
                }
                else
                {
                    var customerInput = line.Split(' ');
                    var customer = new Customer();
                    customer.CustomerType = customerInput[0].ToString();
                    customer.ArrivalTime = Convert.ToInt32(customerInput[1]);
                    customer.Items = Convert.ToInt32(customerInput[2]);

                    customerList.Add(customer);
                }
                //Console.WriteLine(line);
                counter++;
            }
            file.Close();

            // building the registers
            for (int i = 1; i <= noOfRegisters; i++)
            {
                int timeTakenForItems = 1;
                if (i == noOfRegisters) // for last register we will set the time to two minutes
                {
                    timeTakenForItems = 2;
                }
                registerList.Add(new Register()
                {
                    Customers = new List<Customer>(),
                    TimeTakenToProcessEachItem = timeTakenForItems
                });
            }
        }
示例#3
0
 private static void AssignBTypeCustomerToRegister(Customer customer)
 {
     registerList.OrderBy(x => x.LastCustomerItemsForGivenMinute(customer.ArrivalTime)).FirstOrDefault().AssignCustomerToThisRegister(customer);
     customerList.Remove(customer);
 }
示例#4
0
 private static void ProcessGivenCustomer(Customer customer)
 {
     if (customer.CustomerType == "A")
     {
         AssignATypeCustomerToRegister(customer);
     }
     else if (customer.CustomerType == "B")
     {
         //Customer Type B looks at the last customer in each line, and always chooses to be behind the customer with the fewest number
         // of items left to check out, regardless of how many other customers are in the line or how many items they have.
         // Customer Type B will always choose an empty line before a line with any customers in it.
         AssignBTypeCustomerToRegister(customer);
     }
 }
示例#5
0
 private static void AssignATypeCustomerToRegister(Customer customer)
 {
     // find and assign the customer to the register
     registerList.OrderBy(x => x.CurrentCustomerCountForGivenMinute(customer.ArrivalTime)).FirstOrDefault().AssignCustomerToThisRegister(customer);
     // remove the customer for the customer list
     customerList.Remove(customer);
 }