PPT-Folie

lineItem: LineItemParty

pricer: PriceServerParty

item: ItemParty

price()

1: basicPrice (item)

2: discount(item, qty,cust)

3: additionalCharges(unitPr, qty)

ch: ChargerParty

ChargerParty

ChargerParty

3.1: ch=next()

3.2: cost(qty,unitPr,item)

additionalCharges(…){

Integer total;

forall ch in charges{

total = total + ch.cost(…)}

return total}

price() {

basicPr = pricer.basicPrice(item);

discount = pricer.discount(item, qty, cust);

unitPr = basicPr - (discount * basicPr);

quotePr = uniPr + item.additionalCharges(unitPr, qty);

return quotePr;}

design applies to several

applications with

different classes playing

the participant roles

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