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Here is a description from the objects we identified regarding our project.
Mall will give you just one roof for a number of shops. The mall performs the development of some different shops, like a book shop, footwear store, etc. The mall greets an coming customer, performs authentication for him/her and allocates him/her the shopping cart software. Mall is definitely the customer with a summary of different stores availble and enables the client to look at any one of stores within the mall.
A few of the things a person can perform in the mall are:
Get a summary of available stores
Obtain a shopping cart software
Enter an outlet /shop
name – the specific mall
shops – an accumulation of stores of various types
customers – the shoppers presently within the mall
owner – who owns the mall.
guestbook – an accumulation of comments by different customers
void enter(Customer c) – customer c enters the mall
Marked to plain
void exit(Customer c) – customer c exits the mall
ShoppingCart getShoppingCart – returns a clear shopping cart software
Enumeration customers() – returns an enumeration from the customers within the mall
void checkout(shoppingCart cart) – checkout and buy the products within the shopping cart software
Shop: The Abstract superclass for any shop
name – the specific store
storeId – unique ID for that store
products – products readily available for purchase within the store
customers – the shoppers presently within the store
owner – who owns the store
abstract void enter(Customer c) – customer c enters the shop
abstract void exit(Customer c) – customer c exits the shop
Enumeration customers() – returns an enumeration from the customers within the store
Enumeration products() – returns an enumeration from the products readily available for purchase within the store
abstract void addToCart(shopingCart, item) – add a product towards the shopping cart software
abstract void removeFromCart(shopingCart, item) – remove a product in the shopping cart software
Book shop: A potential subclass of Store
ShoeStore: A potential subclass of Store
GameStore: A potential subclass of Store
Item: A product for purchase inside a store
itemName – the specific item
itemId – unique ID for that item
storeId – the ID from the store that the product came
cost – the cost from the item
Customer: A person going to the mall. These kinds extends the overall person class.
shoppingCart – the shopping cart software getting used through the customer
store – the shop the client is presently in.
ShoppingCart. A shopping cart software for that customer.
products – products presently within the shopping cart software
Enumeration products() – returns an enumeration from the products presently within the cart
addItem()- adds confirmed item to collection
removeItem() – removes the given item in the collection.
calcSubTotal() – calculates the incremental total of all of the products within the cart.
Customers going to the mall can send there comments concerning the shopping experience in the mall to mall admin via guestbook. Each cutomer may have comment being an attribute field and also the guestbook may be the assortment of such comments and it is a characteristic from the Mall class.
MallOwner: Who owns the mall or mall admin as referred within the class diagram above. These kinds also extends the individual class.
ShopOwner: Who owns a store. Each shop includes a owner. These kinds also extends the individual class.
With regard to brevity, the needed accessors and mutators aren’t indexed by the above mentioned class descriotion.
Class Diagram: Following may be the class diagram for the project.
Class Responsibility Collaborations (CRC):
Attributes: name, address, phone, email.
Add /Delete Comments.
Customer entering the mall will get authenticated and will also be allotted a shopping cart software. On effective authentication, he/she will be provided using the listing of stores available. On entering the shop he/she will be provided using the listing of products available at a shop. This complete sequence continues to be taken by using sequence diagram.
Customer purchasing a product in a shop within the mall has been taken by using sequence diagram.
ShopOwner, who’s proposing for that placing a shop within the mall transmits an offer to MallOwner, MallOwner consequently approves or disapproves the proposal. This sequence continues to be taken in following sequence diagram.
Guestbook: Every customer going to the mall can send his/her comments to MallOwner. This sequence continues to be taken in following sequence diagram.
Design Patterns: We advise to capture following design patterns within our design.
1. Singleton: Mall object is really a singleton class. Just one object of the type exists throughout the execution of program. Also, all of the stores within the mall are singleton classes. Whenever the mall gets initialize, all of the stores will also be getting initialized
This really is being taken by using code.
2. Iterator: Whenever the mall should really present listing of stores it has, we’re presenting the consumer using the Iterator class supplied by java which captures the Iterator design patterns.
Also, whenever the store should really present their email list of products it’s we’re while using Iterator class in java to get this done.
3. Observer: All stores are observable objects. Particularly, each time a new item will get put into the shops within the mall, customer has been notified concerning the change. All customers automatically are assumed to possess requested with this facility.
4. Condition: The client object might have different states while going to the mall and shopping in numerous stores from the mall. Following diagram captures three different states the client object will go into.
a. Unauthorized: The client just joined the mall and it is yet to login.
b. EnteredShop: The client has selected among the shops for shopping and it has joined in it. He might eyebrows and choose products within the store. Place the selected products within the cart that is allotted to him as he joined the store.
c. AuthorizedInMall: The client either just logged in or has emerge from among the shops and exploring within the mall. Either he’ll leave the mall or he/she’ll enter another shop within the mall.
Conclusion and future work:
The work enabled us to recognize all the design patterns completely. The Iterator, Singleton, Observer are crucial design patterns to be able to capture the program style of such departmental stores. Various techniques like use situation analysis, condition machine, CRC, sequence diagram are useful in prototyping software design.
The work could be improved by the MVC design technique. Much more of design patterns for example factory patterns could be incorporated within the project.
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