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statistics addition #1

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16 changes: 16 additions & 0 deletions .../com/example/computer_simulation_group_assignment/services/CustomerSimulationService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -83,12 +83,17 @@ public String processCustomer(Customer customer) {

public String printCustomerData(List<Customer> customers) {
StringBuilder stringBuilder = new StringBuilder();
int numCustomersThatHadToWait = 0;

for (Customer customer : customers) {
double idleTimePerCustomer = idleTime / numCustomers;
int numCustomersInSystem = numCustomers - customerQueue.size();
int numCustomersInQueue = customerQueue.size();
double waitingTimeInQueue = totalWaitingTime / numCustomersInSystem;
double waitingTimeInSystem = totalWaitingTime / numCustomers;
if (customer.waitingTime > 0) {
numCustomersThatHadToWait++;
}

stringBuilder.append("Customer: ").append(customer.customerNumber)
.append(", IAT: ").append(customer.arrivalTime - previousIAT)
Expand All @@ -112,6 +117,12 @@ public String printCustomerData(List<Customer> customers) {
double totalWaitingTimeInSystem = 0.0;
double totalIdleTime = 0.0;

double averageServiceTime = totalServiceTime / numCustomers;
double averageWaitingTimeInQueue = totalWaitingTimeInQueue / numCustomers;
double averageWaitingTimeInSystem = totalWaitingTimeInSystem / numCustomers;
double averageIdleTime = totalIdleTime / numCustomers;
double probabilityOfWaiting = (double) numCustomersThatHadToWait / numCustomers;

for (Customer customer : customers) {
totalServiceTime += customer.serviceTime;
totalCustomersInSystem++;
Expand All @@ -132,6 +143,11 @@ public String printCustomerData(List<Customer> customers) {
.append("Waiting Time in Queue: ").append(totalWaitingTimeInQueue).append(", ")
.append("Waiting Time in System: ").append(totalWaitingTimeInSystem).append(", ")
.append("Idle Time: ").append(totalIdleTime)
.append("Average Service Time: ").append(averageServiceTime).append(", ")
.append("Average Waiting Time in Queue: ").append(averageWaitingTimeInQueue).append(", ")
.append("Average Waiting Time in System: ").append(averageWaitingTimeInSystem).append(", ")
.append("Average Idle Time: ").append(averageIdleTime).append(", ")
.append("Probability of Waiting: ").append(probabilityOfWaiting)
.append("\n");

return stringBuilder.toString();
Expand Down