1. CIS 644 Tues. Nov. 30, W15A
… patterns

2. schedule:
30: patterns 2: review for exam
7: design proj 9: design proj
exam2

3. patterns:
Coad … mostly PD patterns
Gamma… mostly implementation patterns

4. Coad#1: collection - worker
actually: worker - users - collection
as: clerk - customers - videos

5. Coad#3: Participant- Transaction
Coad#5: SpecificItem - Transaction
as: Customer - Rental
Video Rental

6. and
Coad#6: Transaction - TransLineItem
as: Rental <>- RentalLineItem

7. Coad#7: Transaction - SubsequentTrans
as:
GrainReservation - TruckDelevery

8. Coad#14: Container - Contents
as: Flight <>- Reservation

9. Coad#18: CompoundPart - Part
same as:
Composite - Component
where: Component =
PrimitiveComponent
| Composite

10. Coad#20: Plan - Step
(CIS project) as
Budget <>- BudgetPeriod

11. Coad#26: Proxy - SpecificItem
as : CachedItem - Item
as: LocalItem - ServerItem
as: EditPage - SourcePage

12. Coad#27: Publisher - Subscriber
same as: Obervable - Observer
as: PD_Item - Item_View

13. Java data structures: [Bailey1999] common "behavior" patterns:
public interface Enumeration {
boolean hasMoreElements();
Object nextElement(); }
public interface Iterator
extends Enumeration { …
void reset();
Object value();

14. Java examples for
three other "behavior" patterns:
Terrazas ..visitor pattern
Liu command pattern
Zhang ... state pattern

15. Coad chap 4:
adaptor patterns:
as: multiple adaptors multiple thread
access

16. diagrams for other Gamma patterns:
http:
//ksi.cpsc.ucalgary.ca/~kremer/patterns/

17. Creational Patterns
Abstract Factory
Builder
Factory Method
Prototype
x Singleton

18. Structural Patterns
x Adapter
Bridge
x Composite
Decorator
Facade
Flyweight
x Proxy

19. Behavioural Patterns
Chain of Responsibility
x Command
Interpreter
x Iterator
Mediator
Memento
x Observer
x State
Strategy
Template Method
x Visitor

20. reusable items:
patterns:
packages: interface, classes
components:
frameworks:
software tools:

21. End