std::vector<float> SimRunner::multiQueueSim(int minutes, int serviceTimeLow, int serviceTimeHigh, bool useCarts, int queues)
{
std::vector<std::vector<Customer*> > waitingCustomerQueues;
std::vector<Customer*> servedCustomers;
for(int i = 0; i < queues; i++)
{
std::vector<Customer*> temp;
waitingCustomerQueues.push_back(temp);
}
for(int i = 0; i < minutes; i++)
{
for(int j = 0; j < waitingCustomerQueues.size(); j++)
{
for(int k = 0; k < waitingCustomerQueues.at(j).size(); k++)
{
waitingCustomerQueues.at(j).at(k)->setWaitTime(waitingCustomerQueues.at(j).at(k)->getWaitTime() + 1);
}
}
Customer *currentCustomer = NULL;
for(int j = 0; j < queues; j++)
{
if(waitingCustomerQueues.at(j).size() > 0)
{
currentCustomer = waitingCustomerQueues.at(j).at(0);
currentCustomer->setServiceTime(currentCustomer->getServiceTime()-1);
if(currentCustomer->getServiceTime() <= 0)
{
waitingCustomerQueues.at(j).erase(waitingCustomerQueues.at(j).begin(),waitingCustomerQueues.at(j).begin()+1);
servedCustomers.push_back(currentCustomer);
}
}
}
int newCustomers = rand() % 3;
for(int j = 0; j < newCustomers; j++)
{
int serviceTime = 0;
if(!useCarts)
{
if(serviceTimeLow == serviceTimeHigh || serviceTimeLow > serviceTimeHigh)
{
serviceTime = serviceTimeLow;
}
else
{
serviceTime = rand() % (serviceTimeHigh - serviceTimeLow) + serviceTimeLow;
}
}
else
{
if(serviceTimeLow == serviceTimeHigh || serviceTimeLow > serviceTimeHigh)
{
serviceTime = serviceTimeLow / 6;
if(serviceTimeLow % 6 != 0)
{
serviceTime++;
}
}
else
{
int numItems = rand() % (serviceTimeHigh - serviceTimeLow) + serviceTimeLow;
serviceTime = numItems / 6;
if(numItems % 6 != 0)
{
serviceTime++;
}
}
}
currentCustomer = new Customer();
currentCustomer->setServiceTime(serviceTime);
int smallestIndex = 0;
int smallestSize = waitingCustomerQueues.at(0).size();
for(int j = 0; j < waitingCustomerQueues.size(); j++)
{
if(waitingCustomerQueues.at(j).size() < smallestSize)
{
smallestIndex = j;
smallestSize = waitingCustomerQueues.at(j).size();
}
}
waitingCustomerQueues.at(smallestIndex).push_back(currentCustomer);
}
}
std::vector<float> returnVector;
returnVector.push_back(servedCustomers.size());
int totalWaitTime = 0;
for(int i = 0; i < servedCustomers.size(); i++)
{
totalWaitTime += servedCustomers.at(i)->getWaitTime();
}
if(servedCustomers.size() > 0)
{
returnVector.push_back(totalWaitTime / servedCustomers.size());
int longestWaitTime = servedCustomers.at(0)->getWaitTime();
for(int i = 0; i < servedCustomers.size(); i++)
{
if(servedCustomers.at(i)->getWaitTime() > longestWaitTime)
{
longestWaitTime = servedCustomers.at(i)->getWaitTime();
}
}
returnVector.push_back(longestWaitTime);
}
else
{
returnVector.push_back(0);
returnVector.push_back(0);
}
return returnVector;
}
std::vector<float> SimRunner::multiCashierSim(int minutes, int serviceTimeLow, int serviceTimeHigh, bool useCarts, int cashiers)
{
std::vector<Customer*> waitingCustomers;
std::vector<Customer*> servedCustomers;
for(int i = 0; i < minutes; i++)
{
for(int j = 0; j < waitingCustomers.size(); j++)
{
waitingCustomers.at(j)->setWaitTime(waitingCustomers.at(j)->getWaitTime() + 1);
}
Customer *currentCustomer = NULL;
for(int j = 0; j < cashiers; j++)
{
if(waitingCustomers.size() > j)
{
currentCustomer = waitingCustomers.at(j);
currentCustomer->setServiceTime(currentCustomer->getServiceTime()-1);
}
else
{
break;
}
}
if(cashiers > waitingCustomers.size())
{
for(int j = waitingCustomers.size()-1; j >= 0; j--)
{
currentCustomer = waitingCustomers.at(j);
if(currentCustomer->getServiceTime() <= 0)
{
waitingCustomers.erase(waitingCustomers.begin()+j,waitingCustomers.begin()+j+1);
servedCustomers.push_back(currentCustomer);
}
}
}
else
{
for(int j = cashiers - 1; j >= 0; j--)
{
currentCustomer = waitingCustomers.at(j);
if(currentCustomer->getServiceTime() <= 0)
{
waitingCustomers.erase(waitingCustomers.begin()+j,waitingCustomers.begin()+j+1);
servedCustomers.push_back(currentCustomer);
}
}
}
//Create and add new customers
int newCustomers = rand() % 3;
for(int j = 0; j < newCustomers; j++)
{
int serviceTime = 0;
if(!useCarts)
{
if(serviceTimeLow == serviceTimeHigh || serviceTimeLow > serviceTimeHigh)
{
serviceTime = serviceTimeLow;
}
else
{
serviceTime = rand() % (serviceTimeHigh - serviceTimeLow) + serviceTimeLow;
}
}
else
{
if(serviceTimeLow == serviceTimeHigh || serviceTimeLow > serviceTimeHigh)
{
serviceTime = serviceTimeLow / 6;
if(serviceTimeLow % 6 != 0)
{
serviceTime++;
}
}
else
{
int numItems = rand() % (serviceTimeHigh - serviceTimeLow) + serviceTimeLow;
serviceTime = numItems / 6;
if(numItems % 6 != 0)
{
serviceTime++;
}
}
}
currentCustomer = new Customer();
currentCustomer->setServiceTime(serviceTime);
waitingCustomers.push_back(currentCustomer);
}
}
std::vector<float> returnVector;
returnVector.push_back(servedCustomers.size());
int totalWaitTime = 0;
for(int i = 0; i < servedCustomers.size(); i++)
{
totalWaitTime += servedCustomers.at(i)->getWaitTime();
}
if(servedCustomers.size() > 0)
{
returnVector.push_back(totalWaitTime / servedCustomers.size());
int longestWaitTime = servedCustomers.at(0)->getWaitTime();
for(int i = 0; i < servedCustomers.size(); i++)
{
if(servedCustomers.at(i)->getWaitTime() > longestWaitTime)
{
longestWaitTime = servedCustomers.at(i)->getWaitTime();
}
}
returnVector.push_back(longestWaitTime);
}
else
{
returnVector.push_back(0);
returnVector.push_back(0);
}
return returnVector;
}