이것저것

Strategy pattern동적 가능성이 있는 알고리즘군을 객체에서 분리함 (interface, 서브 클래스 활용) 어떤 행동을 사용할지 서브클래스에 맡김 Observer pattern Subject에 observer리스트를 저장해두고 data의 변화가 생길 때 observer들에게 알림이 가도록 함 subject에서 data를 push하는 방법과 observer들이 알림을 받았을 때 data를 알아서 pull하는 방법이 있음 Decorator pattern 추상구성요소, 구상구성요소, 추상데코레이터, 구상데코레이터의 구조를 가짐 COP법칙, 변경에 닫혀있고 확장에 열려있어야 함 Factory pattern 인터페이스를 추상생산자에 의지하며 실제 객체 생성은 구상생산자인 서브클래스에 일임 함 인스턴스 ..

Proxy pattern특정 객체로의 접근을 제어하는 대리인을 제공 Client 객체가 Client 보조객체 (RMI stub) 에게 로컬 메소드 호출하듯 호출하고, 스텁은 서비스 보조객체 (RMI skeleton) 에게 호출을 전달하며 실제 로직 수행은 서비스 객체에서 이뤄짐

Iterator pattern#region Menupublic class MenuItem{ public string Name { get; } public string Description { get; } public bool IsVegetarian { get; } public decimal Price { get; } public MenuItem(string name, string description, bool isVegetarian, decimal price) { Name = name; Description = description; IsVegetarian = isVegetarian; Price = price; ..

Template method patternpublic abstract class Prepare{ public abstract void PrepareRecipe();}public abstract class CaffeineBeverage : Prepare{ public sealed override void PrepareRecipe() { BoilWater(); Brew(); PourInCup(); if(CustomerWantsCondiments()) AddCondiments(); } public abstract void Brew(); public abstract void AddCondiments(); ..

Adaptor patternpublic class Duck{ public void Quack() { } public void Fly() { }}public class Turkey{ public void Gobble() { } public void Fly() { }}public class TurkeyAdapter : Duck{ private Turkey turkey; public TurkeyAdapter(Turkey turkey) { this.turkey = turkey; } public void Quack() { turkey.Gobble(); } public void Fly() { turkey.Fly(); }}  Pacade patternpubli..

Command pattern using System.Text;#region Basepublic interface Command{ public void Execute() { } public void Undo() { }}public class Light{ public void On() { Console.WriteLine("Light is on"); } public void Off() { Console.WriteLine("Light is off"); }}public class GarageDoor{ public void Up() { Console.WriteLine("Garage door is up"); } public void Down() { Console.WriteLine("G..

Factory Pattern #region Pizzapublic class Pizza{ public void Prepare() { } public void Bake() { } public void Cut() { } public void Box() { }}public class VeggiePizza : Pizza{}public class ClamPizza : Pizza{}public class PepperoniPizza : Pizza{}public class CheesePizza : Pizza{}#endregionpublic class SimplePizzaFactory{ public Pizza CreatePizza(string type) { Pizza p..

Decorator Pattern#region Basepublic abstract class Beverage{ public string Description { get; set; } public abstract double Cost();}public abstract class CondimentDecorator : Beverage{ protected Beverage beverage;}#endregion#region Baveragepublic class Espresso : Beverage{ public Espresso() { Description = "Espresso"; } public override double Cost() { return 1.99; }}public class H..

Observer Pattern#region Interfacespublic interface ISubject{ public void RegisterOb(IObserver o); public void RemoveOb(IObserver o); public void NotifyOb();}public interface IObserver{ public void Update(WeatherData wd);}public interface IDisplay{ public void Display();}#endregion#region BaseClassespublic struct WeatherData{ private float temp; private float humidity; pri..

Strategy Pattern객체 클래스에서 동적인 알고리즘군을 분리함