Problem $1$: Object Modeling

Vision $--$ Depot Stock Control Software

Software runs in a depot that ships stocks requested by orders. It helps the depot

manager manage stock levels and outstanding orders.

Use Case UC$1$ Manager reviews unfulfilled orders

The manager at a depot logs in and sees a list of the sales orders that his depot has not

yet fulfilled.

Draw a Class diagram that shows the following information:

Classes

$1.$ Depot, Product, Stock, Customer, Sales Order, Sales Item

Associations

$1.$ A Depot holds Stocks.

$2.$ Products are stocked as Stocks.

$3.$ A Depot has Customers.

$4.$ A Customer can have Sales Orders.

$5.$ A Sales Order has Sales Items.

$6.$ A Stock can be ordered as a Sales Item

Multiplicities

$1.$ Each Stock has precisely one Product and is held at one Depot.

$2.$ Each Customer is served by only one depot.

$3.$ Each Sales Item is on one Sales Order and is for one Stock.

Attributes

$1.$ Depot: Id and address,

$2.$ Customer: name and address,

$3.$ Sales order: dateOrdered, dueDate,

$4.$ Sales Item: price and quantity,

$5.$ Product: description and units.