/**
* Checks if counters are empty
*
* @return boolean
*/
public boolean countersEmpty() {
Iterator<CheckoutCounter> iter = checkoutCounters.iterator();
while (iter.hasNext()) {
CheckoutCounter counter = iter.next();
if (!counter.isEmpty()) return false;
}
return true;
}
/**
* Simulates supermarket time one minute
*
* @return void
*/
public void simMinute() {
if (!isClosed) {
Distribution<Integer> custFlowDistrib = this.timeDistrib.get(minutesElapsed);
if (custFlowDistrib != null) {
int numCust = custFlowDistrib.get(Math.random());
for (int i = 0; i < numCust; i++) {
int processTime = this.custProcTimeDistrib.get(Math.random());
Customer cust = new Customer(processTime);
CheckoutCounter bestCounter = null;
Iterator<CheckoutCounter> iter = checkoutCounters.iterator();
while (iter.hasNext()) {
CheckoutCounter counter = iter.next();
if (bestCounter == null || bestCounter.customersInLine() > counter.customersInLine()) {
bestCounter = counter;
}
}
bestCounter.addCustomer(cust);
}
} else {
isClosed = true;
}
}
if (!isComplete()) {
Iterator<CheckoutCounter> iter = checkoutCounters.iterator();
while (iter.hasNext()) {
CheckoutCounter counter = iter.next();
counter.increaseWaitingTime();
counter.processCustomer();
}
}
minutesElapsed++;
}
