A P S DCD per NextGen POS (*) A P S Progetto per startUp (*)

A
P
S
DCD per NextGen POS (*)
Store
address : Address
name : Text
store
ProductDescription
descriptions
description : Text
{Map}
price : Money
1..* itemID: ItemID
ProductCatalog
addCompleteSale(...)
1
1
catalog
...
getProductDesc(...)
...
description
1
Sale
Register
...
isComplete : Boolean
time : DateTime
lineItems
{ordered}
currentSale
endSale()
enterItem(...)
makeNewSale()
makePayment(...)
1
becomeComplete()
makeLineItem(...)
makePayment(...)
getTotal()
1..*
SalesLineItem
quantity : Integer
getSubtotal()
completedSales
{ordered}
Payment
payment
1
amount : Money
...
54
A
Luca Cabibbo – A·P·S
Esempi di progettazione a oggetti con i pattern GRASP
P
S
Progetto per startUp (*)
completedSales:
List<Sale>
3: create
create
s:Store
pass a reference to the ProductCatalog and
the Store to the Register, so that it has
permanent visibility to it
2: create(s,pc)
:Register
by Creator
1: create
1.1: create
pc:
ProductCatalog
1.2.2*: put(id, pd)
descriptions:
Map<ProductDescription>
1.2.1*: create(id, price, description)
1.2: loadProdSpecs()
pd:
ProductDescription
63
Esempi di progettazione a oggetti con i pattern GRASP
Luca Cabibbo – A·P·S