Ejemplo n.º 1
0
        static void Calculation(CustomerList customers, TellerList tellers)
        {
            Dictionary <string, List <Customer> > customerDict = new Dictionary <string, List <Customer> >();
            Dictionary <string, List <Teller> >   tellerDict   = new Dictionary <string, List <Teller> >();

            // Add customers to the customerDict by type
            foreach (Customer customer in customers.Customer)
            {
                // If the dictionary doesn't have the type, create one
                if (!customerDict.ContainsKey(customer.type))
                {
                    customerDict.Add(customer.type, new List <Customer>());
                }
                customerDict[customer.type].Add(customer);
            }

            // Add tellers to the tellerDict by specialty type
            foreach (Teller teller in tellers.Teller)
            {
                // If the dictionary doesn't have the type, create one
                if (!tellerDict.ContainsKey(teller.specialtyType))
                {
                    tellerDict.Add(teller.specialtyType, new List <Teller>());
                }
                tellerDict[teller.specialtyType].Add(teller);
            }

            double totalDuration = 0;
            Dictionary <string, double>           durationDict          = new Dictionary <string, double>();
            Dictionary <string, List <Customer> > temporaryCustomerDict = new Dictionary <string, List <Customer> >(customerDict);

            // Process customers that have the service type matching with one of specialty types
            foreach (string type in customerDict.Keys)
            {
                totalDuration = 0;
                if (tellerDict.ContainsKey(type))
                {
                    // Find the number of customers per teller
                    double customerListLen    = customerDict[type].Count;
                    double tellerListLen      = tellerDict[type].Count;
                    int    customersPerTeller = Convert.ToInt32(Math.Ceiling(customerListLen / tellerListLen));

                    // We do the following sorting so that customers that have long durations will be assigned to tellers that have small multipliers
                    // Sort the customer list in descending order by duration
                    customerDict[type].Sort((a, b) => Convert.ToDouble(b.duration).CompareTo(Convert.ToDouble(a.duration)));
                    // Sort the teller list in ascending order by multiplier
                    tellerDict[type].Sort((a, b) => Convert.ToDouble(a.multiplier).CompareTo(Convert.ToDouble(b.multiplier)));

                    int count       = 1;
                    int tellerIndex = 0;
                    // Appointment creation
                    foreach (Customer customer in customerDict[type])
                    {
                        // Create a new appointment
                        var appointment = new Appointment(customer, tellerDict[type][tellerIndex]);
                        appointmentList.Add(appointment);
                        // Calculate the total duration for this specialty type
                        double tellerMultiplier = Convert.ToDouble(tellerDict[type][tellerIndex].multiplier);
                        double customerDuration = Convert.ToDouble(customer.duration);
                        totalDuration += tellerMultiplier * customerDuration;
                        // Get the next teller
                        if (count == customersPerTeller)
                        {
                            count = 1;
                            tellerIndex++;
                        }
                        else
                        {
                            count++;
                        }
                    }
                    // Remove assigned customers
                    temporaryCustomerDict.Remove(type);
                    // Update the total duration for this type
                    durationDict.Add(type, totalDuration);
                }
            }
            // Update the dictionary to remove customers that have been assigned
            customerDict = new Dictionary <string, List <Customer> >(temporaryCustomerDict);

            // Process customers that do not have a matching type
            foreach (string customerType in customerDict.Keys)
            {
                // Customers will be assigned to the teller group which has the shortest appointment duration
                // We first sort the list by duration in ascending order and then we get the first element which is the shortest duration
                var durationList = durationDict.ToList();
                durationList.Sort((a, b) => a.Value.CompareTo(b.Value));
                string tellerType       = durationList[0].Key;
                double shortestDuration = durationList[0].Value;

                // Find the number of customers per teller
                double customerListLen    = customerDict[customerType].Count;
                double tellerListLen      = tellerDict[tellerType].Count;
                int    customersPerTeller = Convert.ToInt32(Math.Ceiling(customerListLen / tellerListLen));

                int count       = 1;
                int tellerIndex = 0;
                // Appointment creation
                foreach (Customer customer in customerDict[customerType])
                {
                    // Create a new appointment
                    var appointment = new Appointment(customer, tellerDict[tellerType][tellerIndex]);
                    appointmentList.Add(appointment);
                    // Calculate the total duration for this specialty type
                    shortestDuration += Convert.ToDouble(customer.duration);
                    // Get the next teller
                    if (count == customersPerTeller)
                    {
                        count = 1;
                        tellerIndex++;
                    }
                    else
                    {
                        count++;
                    }
                }
                // Update total duration of this specialty type group
                durationDict[tellerType] = shortestDuration;
            }
        }
Ejemplo n.º 2
0
        static void Calculation(CustomerList customers, TellerList tellers)
        {
            List <Teller> specialtyOne   = new List <Teller>();
            List <Teller> specialtyZero  = new List <Teller>();
            List <Teller> specialtyTwo   = new List <Teller>();
            List <Teller> specialtyThree = new List <Teller>();

            foreach (Teller teller in tellers.Teller)
            {
                if (teller.specialtyType == "0")
                {
                    specialtyZero.Add(teller);
                }
                if (teller.specialtyType == "1")
                {
                    specialtyOne.Add(teller);
                }
                if (teller.specialtyType == "2")
                {
                    specialtyTwo.Add(teller);
                }
                if (teller.specialtyType == "3")
                {
                    specialtyThree.Add(teller);
                }
            }

            /*Console.WriteLine(string.Join("\t", specialtyZero));
             * Console.WriteLine(string.Join("\t", specialtyOne));
             * Console.WriteLine(string.Join("\t", specialtyTwo));
             * Console.WriteLine(string.Join("\t", specialtyThree));*/
            // Your code goes here .....
            // Re-write this method to be more efficient instead of a random assignment
            int i = 0;
            int j = 0;
            int k = 0;
            int l = 0;

            foreach (Customer customer in customers.Customer)
            {
                if (customer.type == "4")
                {
                    var appointmentZero = new Appointment(customer, specialtyZero[i]);
                    appointmentList.Add(appointmentZero);
                    i++;
                    if (i >= specialtyZero.Count)
                    {
                        i = 0;
                    }
                }
                if (customer.type == "1")
                {
                    var appointmentOne = new Appointment(customer, specialtyOne[j]);
                    appointmentList.Add(appointmentOne);
                    j++;
                    if (j >= specialtyOne.Count)
                    {
                        j = 0;
                    }
                }
                if (customer.type == "2")
                {
                    var appointmentTwo = new Appointment(customer, specialtyTwo[k]);
                    appointmentList.Add(appointmentTwo);
                    k++;
                    if (k >= specialtyTwo.Count)
                    {
                        k = 0;
                    }
                }
                if (customer.type == "3")
                {
                    var appointmentThree = new Appointment(customer, specialtyThree[l]);
                    appointmentList.Add(appointmentThree);
                    l++;
                    if (l >= specialtyThree.Count)
                    {
                        l = 0;
                    }
                }
            }
        }
Ejemplo n.º 3
0
        static void Calculation(CustomerList customers, TellerList tellers)
        {
            var type1index = 0;
            var type2index = 0;
            var type3index = 0;
            var type4index = 0;

            //----Start customer order by, We can sort the customers by duration and use if there is no first come first serve
            //and replace foreach with  customersSorted instead of Customers.customer
            List <Customer> customersSorted = new List <Customer>();

            customersSorted = customers.Customer.OrderByDescending(c => c.duration).ToList();
            //----End customer order by------------------

            foreach (Customer customer in customers.Customer)
            {
                // Get tellers by type
                var tellersByTypeOnly = tellers.TellerByType(customer.type);
                // ---- Start Prioritize tellers by multiplier, minimum time taken this way by tellers to finish serving customers.
                var tellersByTypePrioritizedMultiplier = tellersByTypeOnly.OrderByDescending(a => a.multiplier).ToList();
                // ---- End Prioritize tellers by multiplier

                //Console.WriteLine("serving customerId: " + customer.Id + " and Type: " + customer.type);

                // Take turns with customer appointments
                Teller servingTeller = new Teller();
                if (customer.type == "1")
                {
                    servingTeller = tellersByTypePrioritizedMultiplier[type1index];
                    type1index++;
                    if (type1index > tellersByTypePrioritizedMultiplier.Count - 1)
                    {
                        type1index = 0;
                    }
                }
                else if (customer.type == "2")
                {
                    servingTeller = tellersByTypePrioritizedMultiplier[type2index];
                    type2index++;
                    if (type2index > tellersByTypePrioritizedMultiplier.Count - 1)
                    {
                        type2index = 0;
                    }
                }
                else if (customer.type == "3")
                {
                    servingTeller = tellersByTypePrioritizedMultiplier[type3index];
                    type3index++;
                    if (type3index > tellersByTypePrioritizedMultiplier.Count - 1)
                    {
                        type3index = 0;
                    }
                }
                else if (customer.type == "4")
                {
                    servingTeller = tellersByTypePrioritizedMultiplier[type4index];
                    type4index++;
                    if (type4index > tellersByTypePrioritizedMultiplier.Count - 1)
                    {
                        type4index = 0;
                    }
                }

                // TODO: prioritize tellers by multiplier


                Console.WriteLine("teller type:" + servingTeller.specialtyType + " tellerId: " + servingTeller.id);
                var appointment = new Appointment(customer, servingTeller);
                appointmentList.Add(appointment);
            }
        }
Ejemplo n.º 4
0
        static void Calculation(CustomerList customers, TellerList tellers)
        {
            // Your code goes here .....
            // Re-write this method to be more efficient instead of a assigning all customers to the same teller

            //Create a list of al the customer orderby type and the by te longest time
            IList <Customer> customersSorted = new List <Customer>();

            customersSorted = customers.Customer.OrderBy(x => x.type).ThenByDescending(o => o.duration).ToList();

            foreach (Customer customer in customersSorted)
            {
                IList <Appointment> tellersDuration = new List <Appointment>();

                //Create a list of the appointment time of a customer for all tellers
                foreach (Teller teller in tellers.Teller)
                {
                    var appointment = new Appointment(customer, teller);
                    tellersDuration.Add(appointment);
                }


                var sortedTellers = tellersDuration.OrderBy(o => o.duration).ToList();

                //if no appointmet exist yet, add the customer to the quickest teller
                if (appointmentList.Count == 0)
                {
                    appointmentList.Add(sortedTellers[0]);
                }

                else
                {
                    for (int i = 0; i < sortedTellers.Count(); i++)
                    {
                        bool containsItem = appointmentList.Any(o => o.teller.id == sortedTellers[i].teller.id);

                        //if the quickest teller doesn't existe yet, we add that appointment
                        if (!containsItem && appointmentList.Count() < sortedTellers.Count())
                        {
                            appointmentList.Add(sortedTellers[i]);
                            break;
                        }
                        //once i add one customer to all teller we can start adding more custemer to the same tellers
                        else if (containsItem && appointmentList.Count() >= sortedTellers.Count())
                        {
                            var tellerAppointments =
                                from appointments in appointmentList
                                group appointments by appointments.teller into tellerGroup
                                select new
                            {
                                teller        = tellerGroup.Key,
                                totalDuration = tellerGroup.Sum(x => x.duration),
                            };

                            double totalTime                = 0;
                            int    tellerIndexAdd           = 0;
                            var    tellerAppointmentsSorted = tellerAppointments.OrderBy(x => x.totalDuration).ToList();

                            //iterate through the teller order by the total duration of their appointments
                            for (int j = 0; j < tellerAppointmentsSorted.Count(); j++)
                            {
                                var tellerTotalDurationId = tellerAppointmentsSorted[j].teller.id;
                                int tellerIndex           = sortedTellers.FindIndex(a => a.teller.id == tellerTotalDurationId);

                                //if it is the first time in this loop we update the
                                //total time to the total time plus the duration of the new apppoitment
                                //and get that teller index to add the appointment
                                if (totalTime == 0)
                                {
                                    totalTime      = tellerAppointmentsSorted[j].totalDuration + sortedTellers[tellerIndex].duration;
                                    tellerIndexAdd = tellerIndex;
                                }
                                //if the total time plus the new appointment time of the previous teller is  higher than the next teller
                                //then we update the total time for the fastest one and get that telle index to add the new appointment
                                else if (totalTime > tellerAppointmentsSorted[j].totalDuration + sortedTellers[tellerIndex].duration)
                                {
                                    totalTime      = tellerAppointmentsSorted[j].totalDuration + sortedTellers[tellerIndex].duration;
                                    tellerIndexAdd = tellerIndex;
                                }
                            }

                            appointmentList.Add(sortedTellers[tellerIndexAdd]);
                            break;
                        }
                    }
                }
            }
        }
Ejemplo n.º 5
0
        static void Calculation(CustomerList customers, TellerList tellers)
        {
            // Your code goes here .....
            // Re-write this method to be more efficient instead of a random assignment
            var type0 = new TellerList();
            var type1 = new TellerList();
            var type2 = new TellerList();
            var type3 = new TellerList();

            tellers.Teller.ForEach(teller =>
            {
                var type = teller.specialtyType;
                if (type == "0")
                {
                    type0.Teller.Add(teller);
                }
                else if (type == "1")
                {
                    type1.Teller.Add(teller);
                }
                else if (type == "2")
                {
                    type2.Teller.Add(teller);
                }
                else if (type == "3")
                {
                    type3.Teller.Add(teller);
                }
            });
            var type0Sorted = type0.Teller.OrderBy(x => x.multiplier).ToList();
            var type1Sorted = type1.Teller.OrderBy(x => x.multiplier).ToList();
            var type2Sorted = type2.Teller.OrderBy(x => x.multiplier).ToList();
            var type3Sorted = type3.Teller.OrderBy(x => x.multiplier).ToList();


            var cusType0 = new CustomerList();
            var cusType1 = new CustomerList();
            var cusType2 = new CustomerList();
            var cusType3 = new CustomerList();
            var cusType4 = new CustomerList();

            customers.Customer.ForEach(customer =>
            {
                var type = customer.type;
                if (type == "0")
                {
                    cusType0.Customer.Add(customer);
                }
                else if (type == "1")
                {
                    cusType1.Customer.Add(customer);
                }
                else if (type == "2")
                {
                    cusType2.Customer.Add(customer);
                }
                else if (type == "3")
                {
                    cusType3.Customer.Add(customer);
                }
                else
                {
                    cusType4.Customer.Add(customer);
                }
            });
            // var cusType0Sorted = cusType0.Customer.OrderByDescending(x => x.duration);
            var cusType1Sorted = cusType1.Customer.OrderByDescending(x => x.duration).ToList();
            var cusType2Sorted = cusType2.Customer.OrderByDescending(x => x.duration).ToList();
            var cusType3Sorted = cusType3.Customer.OrderByDescending(x => x.duration).ToList();
            var cusType4Sorted = cusType4.Customer.OrderByDescending(x => x.duration).ToList();

            AssignApp(cusType4Sorted, type0Sorted);
            AssignApp(cusType1Sorted, type1Sorted);
            AssignApp(cusType2Sorted, type2Sorted);
            AssignApp(cusType3Sorted, type3Sorted);

            //foreach (Customer customer in customers.Customer)
            //{
            //    var appointment = new Appointment(customer, tellers.Teller[random.Next(150)]);
            //    appointmentList.Add(appointment);
            //}
        }
Ejemplo n.º 6
0
        static void Calculation(CustomerList customers, TellerList tellers)
        {
            List <Teller> tellerSpecZero  = new List <Teller>();
            List <Teller> tellerSpecOne   = new List <Teller>();
            List <Teller> tellerSpecTwo   = new List <Teller>();
            List <Teller> tellerSpecThree = new List <Teller>();

            foreach (Teller teller in tellers.Teller)
            {
                if (teller.specialtyType == "0")
                {
                    tellerSpecZero.Add(teller);
                }
                if (teller.specialtyType == "1")
                {
                    tellerSpecOne.Add(teller);
                }
                if (teller.specialtyType == "2")
                {
                    tellerSpecTwo.Add(teller);
                }
                if (teller.specialtyType == "3")
                {
                    tellerSpecThree.Add(teller);
                }
            }

            int i = 0, j = 0, k = 0, l = 0;

            foreach (Customer customer in customers.Customer)
            {
                if (customer.type == "1")
                {
                    var appointmentOne = new Appointment(customer, tellerSpecOne[j]);
                    appointmentList.Add(appointmentOne);
                    j++;
                    if (j >= tellerSpecOne.Count)
                    {
                        j = 0;
                    }
                }
                if (customer.type == "2")
                {
                    var appointmentTwo = new Appointment(customer, tellerSpecTwo[k]);
                    appointmentList.Add(appointmentTwo);
                    k++;
                    if (k >= tellerSpecTwo.Count)
                    {
                        k = 0;
                    }
                }
                if (customer.type == "3")
                {
                    var appointmentThree = new Appointment(customer, tellerSpecThree[l]);
                    appointmentList.Add(appointmentThree);
                    l++;
                    if (l >= tellerSpecThree.Count)
                    {
                        l = 0;
                    }
                }
                if (customer.type == "4")
                {
                    var appointmentZero = new Appointment(customer, tellerSpecZero[i]);
                    appointmentList.Add(appointmentZero);
                    i++;
                    if (i >= tellerSpecZero.Count)
                    {
                        i = 0;
                    }
                }
            }
        }