CIS 644 Tues. Nov. 30, 1999 W15A … patterns
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Transcript of CIS 644 Tues. Nov. 30, 1999 W15A … patterns
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- TransactionCoad#5: SpecificItem - Transaction
as: Customer - Rental Video - Rental
andCoad#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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