private void output() {
for (Deal deal : deals) {
System.out.println("Deal " + deal.getDate());
System.out.println(
" " + deal.getBuyer().getName() + " buys from " + deal.getSeller().getName());
for (Entry<Product, Integer> entry : deal.getProducts().entrySet()) {
Product product = entry.getKey();
int quantity = entry.getValue();
System.out.println(
" "
+ product.getTitle()
+ " "
+ quantity
+ " x "
+ product.getPrice()
+ " = "
+ product.getCost(quantity));
}
System.out.println("Sum: " + deal.getSum());
System.out.println("----------------------------");
outputParty(deal.getBuyer());
outputParty(deal.getSeller());
System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
}
}
public double getSum() {
double result = 0;
for (Entry<Product, Integer> entry : products.entrySet()) {
Product product = entry.getKey();
int quantity = entry.getValue();
result += product.getCost(quantity);
}
return result;
}