/// <summary>
/// calculates the time the customer CUST will spend in the queue
/// QueueNumber is the number of the Queue customer CUST is at
/// </summary>
private int TimesInQueues(int QueueNumber, Customer cust)
{
if (Checkouts.ElementAt(QueueNumber).Customers > 4) // if there are more than 4 customers, Queue becomes faster
{
Checkouts.ElementAt(QueueNumber).AssignedStaffMember.Speed = Checkouts.ElementAt(QueueNumber).AssignedStaffMember.MaxSpeed;
}
return (cust.Items + Checkouts.ElementAt(QueueNumber).Items) * Checkouts.ElementAt(QueueNumber).AssignedStaffMember.Speed;
}
/// <summary>
/// Begins running the simulation.
/// </summary>
public void Run()
{
for (int hour = 0; hour < 12; hour++)
{
int f = hour+1;
custsEntering = Hours.ElementAt(hour).totalCustomers;
customerDistribution = customersPerMinuteMethod(custsEntering);
for (int t = 0; t < Hours.ElementAt(hour).customerTypeCounter; t++)
{
SQLiteResult resultT = SQLiteController.Instance.Query("SELECT hour" + f + " FROM Customers");
int totalCustOfType = Convert.ToInt32(resultT.Rows[t]["hour" + f]);
resultT = SQLiteController.Instance.Query("SELECT Type FROM Customers");
String custType = (String)resultT.Rows[t]["Type"];
SQLiteResult resultZ = SQLiteController.Instance.Query("SELECT * FROM Customers WHERE (type = '" + custType + "')");
minItems = Convert.ToInt32(resultZ.Rows[0]["minItems"]);
maxItems = Convert.ToInt32(resultZ.Rows[0]["maxItems"]);
Concentration = Convert.ToInt32(resultZ.Rows[0]["concentration"]);
Dawdling = Convert.ToInt32(resultZ.Rows[0]["dawdling"]);
Patience = Convert.ToInt32(resultZ.Rows[0]["patience"]);
for (int h = 0; h < totalCustOfType; h++)
{
HourlyCust.Add(new CustomerTypes(custType));
HourlyCust.ElementAt(HourlyCust.Count - 1).minItems = minItems;
HourlyCust.ElementAt(HourlyCust.Count - 1).maxItems = maxItems;
HourlyCust.ElementAt(HourlyCust.Count - 1).Concentration = Concentration;
HourlyCust.ElementAt(HourlyCust.Count - 1).Dawdling = Dawdling;
HourlyCust.ElementAt(HourlyCust.Count - 1).Patience = Patience;
}
}
shuffleList(HourlyCust);
for (secondsTimer = 0; secondsTimer < 3600; secondsTimer++)
{
if (secondsTimer % 60 == 0)
{
forTheMinute = customerDistribution[secondsTimer / 60];
for (int w = 0; w < forTheMinute; w++)
{
Customer cust = new Customer(HourlyCust.ElementAt(0).custType, HourlyCust.ElementAt(0).minItems, HourlyCust.ElementAt(0).maxItems);
cust.EntryTime = dayTimer;
cust.Concentration = HourlyCust.ElementAt(0).Concentration;
cust.Dawdling = HourlyCust.ElementAt(0).Dawdling;
cust.Patience = HourlyCust.ElementAt(0).Patience;
Shoppers.Add(cust);
HourlyCust.RemoveAt(0);
}
calcEventTimes(dayTimer, Shoppers.Count);
}
if (nextEventTime == dayTimer)
{
Customer cust2 = Shoppers.ElementAt(0);
int itemSearchTime = dayTimer - cust2.EntryTime;
if (Shoppers.ElementAt(0).Shopping)
{
int basket = Shoppers.ElementAt(0).Basket + 1;
Shoppers.ElementAt(0).Basket = basket;
if (Shoppers.ElementAt(0).Basket == Shoppers.ElementAt(0).Items)
{
int shortestQueueIndex = 0;
int queueLength = TimesInQueues(0, cust2); ;
for (int d = 1; d < Checkouts.Count; d++)
{
if (queueLength > TimesInQueues(d, cust2))
{
shortestQueueIndex = d;
queueLength = TimesInQueues(d, cust2);
}
}
double timePreparedToQueue = (double)itemSearchTime / cust2.Patience;
if (timePreparedToQueue > queueLength)
{
cust2.Shopping = false;
Checkouts.ElementAt(shortestQueueIndex).Customers++;
Checkouts.ElementAt(shortestQueueIndex).Items = Checkouts.ElementAt(shortestQueueIndex).Items + cust2.Items;
}
else
{
cust2.LeavingTime = dayTimer;
Shoppers.RemoveAt(0);
Hours.ElementAt(hour).customersLeaving++;
Hours.ElementAt(hour).customersWalkedOut++;
Hours.ElementAt(hour).customerTimeSpentShopping = Hours.ElementAt(hour).customerTimeSpentShopping + itemSearchTime;
Hours.ElementAt(hour).customerTotalHappiness = Hours.ElementAt(hour).customerTotalHappiness + 0;
}
}
}
else
{
cust2.LeavingTime = dayTimer;
double happiness = itemSearchTime / (dayTimer - cust2.EntryTime);
Shoppers.RemoveAt(0);
Hours.ElementAt(hour).customersLeaving++;
Hours.ElementAt(hour).customerTimeSpentShopping = Hours.ElementAt(hour).customerTimeSpentShopping + itemSearchTime;
Hours.ElementAt(hour).customerTotalHappiness = Hours.ElementAt(hour).customerTotalHappiness + happiness;
}
calcEventTimes(dayTimer, Shoppers.Count);
}
dayTimer++;
}
}
}
