CIS 644 Tues. Nov. 30, 1999 W15A … patterns

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Creational Patterns Abstract Factory Builder Factory Method Prototype x Singleton

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

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

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

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