State Diagram
Michael Cunningham
Rebekah Stauffer
Zach Brown
Copy
added to
store
inventory
Additional payment is
made on ordinary rental
item; rental is extended
Copy
rented to
customer
On Shelf
Rented Out
Copy
returned
to store
Copy is
reserved for
a specific
customer
The customer
that reserved the
copy rents it out
On Hold
Copy becomes
unusable (lost,
destroyed, etc.)
Rent-to-own item is
fully paid for; customer
becomes its owner