Skip to Main Content
Prefactoring
book

Prefactoring

by Ken Pugh
September 2005
Intermediate to advanced content levelIntermediate to advanced
240 pages
6h 28m
English
O'Reilly Media, Inc.
Content preview from Prefactoring

7.1. Where We Are

Let us look at the classes we have developed so far. Figure 7-1 gives the overall picture, and the listing in Example 7-1 gives the details.

Example 7-1. Class details for the system so far
class CDRelease
    CommonString title
    UPCCode upc_code
    CDCategory category
    Days base_rental_period( )
    Dollars get_rental_fee( )

class CDDisc
    CDRelease cd_release
    PhysicalID physical_id
    Rental current_rental
    start_rental(Customer the_renter)
    end_rental( ) //

class PhysicalID

class CDCategory

class Rental
    Customer renter
    Timestamp start_time
    Timestamp end_time
    Days base_rental_period
    Boolean is_overdue( )

class CDDiscCollection
    CDDisc find_by_physical_id(PhysicalID a_physical_id)
    CDDisc [] find_by_cd_release(CDRelease a_cd_release)
    // Standard collection operations:
    add(CDDisc a_cd_disc)
    remove (CDDisc a_cd_disc)

class CustomerID

class Customer
    CustomerID customer_id
    CommonString name

class CustomerCollection
    Customer find_by_customer_id(CustomerID a_customer_id)
    // Standard collection operations
    add(Customer customer_to_add)
    remove(Customer a_customer_id) // Check to see no current rentals

We have two use cases that we are developing: Checkout_a_CDDisc and Checkin_a_CDDisc. Figure 7-2 gives an overall sequence diagram for the Checkout_a_CDDisc case.

Figure 7-1. Class diagram for the system so far
Figure 7-2. Checkout_a_CDDisc

Likewise, Figure 7-3 gives a sequence diagram ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Understanding Unittest.Mock

Understanding Unittest.Mock

Mario Corchero
Java™ Performance

Java™ Performance

Charlie Hunt, Binu John

Publisher Resources

ISBN: 0596008740Supplemental ContentCatalog PageErrata