static void Main(string[] args) { #region 基本用法(Basic.cs) ConcreteSubject s = new ConcreteSubject(); s.Attach(new ConcreteObserver(s, "X")); s.Attach(new ConcreteObserver(s, "Y")); s.Attach(new ConcreteObserver(s, "Z")); s.SubjectState = "ABC"; s.Notify(); #endregion #region 具体实例(Example.cs) //相比于基本用法,这个实例: //①进一步将通知者和观察者分离,运用依赖倒转原则,在客户端中将观察者动作委托给通知者,进一步降低了耦合 //②观察者实例无需继承观察者接口 Boss huhanshan = new Boss(); StockObserver tongshi1 = new StockObserver("魏关姹", huhanshan); NBAOberver tongshi2 = new NBAOberver("易管查", huhanshan); huhanshan.Update += new EventHandler(tongshi1.CloseStockMarket); huhanshan.Update += new EventHandler(tongshi2.CloseNBADirectSeeding); huhanshan.SubjectState = "我胡汉三回来了"; huhanshan.Notify(); Console.Read(); #endregion }
static void Main(string[] args) { ConcreteSubject concreteSubject = new ConcreteSubject(); concreteSubject.Attach(new ConcreteObserver(concreteSubject, "Observer A")); concreteSubject.Attach(new ConcreteObserver(concreteSubject, "Observer B")); concreteSubject.Attach(new ConcreteObserver(concreteSubject, "Observer C")); concreteSubject.State = "Loading..."; concreteSubject.Notify(); Console.Read(); }
static void Main() { ConcreteSubject s = new ConcreteSubject(); s.Attach(new ConcreteObserver(s, "X")); s.Attach(new ConcreteObserver(s, "Y")); s.Attach(new ConcreteObserver(s, "Z")); s.SubjectState = "ABC"; s.Notify(); Console.ReadKey(); }
static void Main(string[] args) { var subject = new ConcreteSubject(); subject.Attach(new ConcreteObserver(subject)); subject.Attach(new ConcreteObserver(subject)); subject.State = "State1"; subject.Notify(); subject.State = "State2"; subject.Notify(); Console.ReadKey(); }
/// <summary> /// The test third. /// </summary> private static void TestThird() { // Configure Observer pattern ConcreteSubject subject = new ConcreteSubject(); subject.Attach(new ConcreteObserver(subject, "X")); subject.Attach(new ConcreteObserver(subject, "Y")); subject.Attach(new ConcreteObserver(subject, "Z")); // Change subject and notify observers subject.SubjectState = "ABC"; subject.Notify(); // Wait for user Console.ReadKey(); }
/// <summary> /// Entry point into console application. /// </summary> static void Main() { // Configure Observer pattern ConcreteSubject s = new ConcreteSubject(); s.Attach(new ConcreteObserver(s, "X")); s.Attach(new ConcreteObserver(s, "Y")); s.Attach(new ConcreteObserver(s, "Z")); // Change subject and notify observers s.SubjectState = "ABC"; s.Notify(); // Wait for user Console.ReadKey(); }
private static void Main() { var concreteSubject = new ConcreteSubject(); concreteSubject.Attach(new ConcreteObserver(concreteSubject, "ConcreteObserverA")); concreteSubject.Attach(new ConcreteObserver(concreteSubject, "ConcreteObserverB")); concreteSubject.Attach(new ConcreteObserver(concreteSubject, "ConcreteObserverC")); concreteSubject.SubjectState = "State"; concreteSubject.Notify(); Console.ReadKey(); }
private static void Main(string[] args) { // canonical example var subject = new ConcreteSubject(); var observer1 = new ConcreteObserver(1); var observer2 = new ConcreteObserver(2); subject.Attach(observer1); subject.Attach(observer2); subject.SetState(new List <string>()); subject.UpdateStatePartially("yoyo"); subject.UpdateStatePartially("ahahha"); }
static void Main(string[] args) { //// 櫃台小姐童子婕 //Secretary secretary = new Secretary(); //// 看股票的同事 //StockObserver colleague1 = new StockObserver("同事1", secretary); //NBAObserver colleague2 = new NBAObserver("同事2", secretary); //// 櫃台記下了兩位同事 //secretary.Attach(colleague1); //secretary.Attach(colleague2); //// 發現老闆回來 //secretary.SubjectState = "老闆回來囉!"; //// 通知兩個同事 //secretary.Notify(); // 老闆胡漢三 Boss boss = new Boss(); // 看股票的同事 StockObserver colleague1 = new StockObserver("同事1", boss); NBAObserver colleague2 = new NBAObserver("同事2", boss); boss.Update += new EventHandler(colleague1.CloseStockMarket); boss.Update += new EventHandler(colleague2.CloseNBADirectSeeding); // 老闆回來 boss.SubjectState = "我胡漢三回來了!"; // 發出通知 boss.Notify(); Console.WriteLine("\n"); ConcreteSubject concreteSubject = new ConcreteSubject(); ConcreteObserver concreteObserver = new ConcreteObserver(concreteSubject, "testSubject"); concreteSubject.Update += new EventHandler(concreteObserver.Function); concreteSubject.SubjectState = "ABC"; concreteSubject.SubjectState = "CBA"; Console.ReadLine(); }
static void Main(string[] args) { //创建主题对象 ConcreteSubject Bucciarati = new ConcreteSubject(); //创建订阅者 ConcreteObserverA Prosciutto = new ConcreteObserverA("普罗修特"); ConcreteObserverB Pesci = new ConcreteObserverB("贝西"); //订阅者订阅主题对象(委托的多播) Bucciarati.Update += new EventHandler(Prosciutto.Attack); Bucciarati.Update += new EventHandler(Pesci.Shout); //主题对象通知事件 Bucciarati.Notify(); Console.Read(); }
static void Main(string[] args) { ConcreteSubject subject = new ConcreteSubject(); Observer observer1 = new ConcreteObserver(); Observer observer2 = new ConcreteObserver(); Observer observer3 = new ConcreteObserver(); Observer observer4 = new ConcreteObserver(); subject.Attach(observer1); subject.Attach(observer2); subject.Attach(observer3); subject.Attach(observer4); subject.Invoke(); Console.ReadKey(); }
static void Main() { // First example ConcreteSubject s = new ConcreteSubject(); s.Attach(new ConcreteObserver(s, "x")); s.Attach(new ConcreteObserver(s, "y")); s.Attach(new ConcreteObserver(s, "z")); s.SubjectState = "abc"; s.Notify(); IBM ibm = new IBM("IBM", 120.00); ibm.Attach(new Investor("Sorros")); ibm.Attach(new Investor("Berkshire")); ibm.Price = 120.10; ibm.Price = 121.00; ibm.Price = 120.50; ibm.Price = 120.75; ibm.Notify(); // Second example BaggageHandler provider = new BaggageHandler(); ArrivalsMonitor observer1 = new ArrivalsMonitor("BaggageClaimMonitor1"); ArrivalsMonitor observer2 = new ArrivalsMonitor("SecurityExit"); provider.BaggageStatus(712, "Detroit", 3); observer1.Subscribe(provider); provider.BaggageStatus(712, "Kalamazoo", 3); provider.BaggageStatus(400, "New York-Kennedy", 1); provider.BaggageStatus(712, "Detroit", 3); observer2.Subscribe(provider); provider.BaggageStatus(511, "San Francisco", 2); provider.BaggageStatus(712); observer2.Unsubscribe(); provider.BaggageStatus(400); provider.LastBaggageClaimed(); // Third example var weatherData = new WeatherData(); var forecastDisplay = new ForecastDisplay(weatherData); var heatIndexDisplay = new HeatIndexDisplay(weatherData); weatherData.setMeasurements(80, 65, 30.4f); }
public static void Run() { Console.WriteLine("This structural code demonstrates the Observer pattern in which registered objects are notified of and updated with a state change.\n"); ConcreteSubject s = new ConcreteSubject(); s.Attach(new ConcreteObserver(s, "X")); s.Attach(new ConcreteObserver(s, "Y")); s.Attach(new ConcreteObserver(s, "Z")); s.SubjectState = "ABC"; s.Notify(); /* * Observer X's new state is ABC * Observer Y's new state is ABC * Observer Z's new state is ABC */ }
static void Main() { // Издатель. Subject subject = new ConcreteSubject(); // Подписчик, с сообщенным лямбда выражением. Observer observer = new Observer((observerState) => Console.WriteLine(observerState + " 1")); // Подписка на уведомление о событии. subject.Event += observer; subject.Event += (observerState) => Console.WriteLine(observerState + " 2"); subject.State = "State ..."; subject.Notify(); Console.WriteLine(new string('-', 11)); // Отписка от уведомлений. subject.Event -= observer; subject.Notify(); // Delay. Console.ReadKey(); }
public ConcreteObserver(ConcreteSubject sub) { subject = sub; }
public ConcreteObserver(ConcreteSubject subject, string Name) { concretesubject = subject; name = Name; }
public ConcreteObserver(ConcreteSubject subject, Shape shape) { this.subject = subject; this.shape = shape; }
public ConcreteObserver(ConcreteSubject subject) { this.subject = subject; }
public ConcreteObserver(string name, ConcreteSubject subject) { _name = name; _subject = subject; }
public ConcreteObserver(ConcreteSubject subject, string name) { Subject = subject; _name = name; }
public ConcreteObserver(ConcreteSubject s) { _s = s; }
public ConcreteObserver(string ObserverName, ConcreteSubject subject) { this._subject = subject; this.ObserverName = ObserverName; }
public ConcreteObserver(ConcreteSubject subject, string name) { this.subject = subject; this.name = name; }
static void Main() { var subject = new ConcreteSubject(); subject.Attach(new ConcreteObserver(subject,"Observer 1")); subject.Attach(new ConcreteObserver(subject,"Observer 2")); subject.Attach(new ConcreteObserver(subject,"Observer 3")); subject.SetState("STATE"); }
public ConcreteObserver(string observerName, ConcreteSubject subject) { _subject = subject; _observerName = observerName; _subject.Attach(this); }
public ConcreteObserver(string name, ConcreteSubject subject) { this.name = name; this.Subject = subject; }
static void Main(string[] args) { #region 工厂方法 double total = 0.0d; CashContext cc = new CashContext(new CashNormal()); total = cc.GetResult(100.04); cc = new CashContext(new CashRebate("0.8")); total = cc.GetResult(100.04); Console.WriteLine(total); #endregion #region 装饰器方法 Decorator.Component person = new Decorator.Component("xiaocai"); Tshirt tshirt = new Tshirt(); BigTrouser bt = new BigTrouser(); bt.Decorator(person); tshirt.Decorator(bt); tshirt.show(); Console.WriteLine("*****************************"); #endregion #region 代理方法 SchoolGirl sg = new SchoolGirl(); sg.Name = "李娇骄"; Proxy.Proxy daili = new Proxy.Proxy(sg); daili.GiveDolls(); daili.GiveFlowers(); #endregion #region 原型模式 ConcretePrototype1 p1 = new ConcretePrototype1("123"); ConcretePrototype1 c1 = (ConcretePrototype1)p1.Clone(); Console.WriteLine("Cloned :"+c1.Id); Resume a = new Resume("Andy"); a.setInfo("Man", "24"); a.setWorkExperience("1998-2005","IBM "); Resume b = (Resume)a.Clone(); b.setWorkExperience("2002-2005", "Dell"); a.display(); b.display(); #endregion #region 模板模式 Console.WriteLine("Student A testPaper:"); TestPaperA testA = new TestPaperA(); testA.Test1(); testA.Test2(); Console.WriteLine("Student B testPaper:"); TestPaperB testB = new TestPaperB(); testB.Test1(); testB.Test2(); #endregion #region 抽象工厂方法 User user = new User(); IFactory factory = new SqlServerFactory(); IUser iu = factory.CreateUser(); //IUser riu = (IUser)Assembly.Load("AbstractFactory").CreateInstance("SqlserverUser"); //反射 //Assembly.Load("程序集名称").CreateInstance("程序集名称.类名称"); iu.Insert(user); iu.GetUser(1); #endregion #region Facade 外观模式 Fund jijin = new Fund(); jijin.BuyFund(); jijin.sellFund(); #endregion #region 建造者模式 Director director = new Director(); abstractBuilder builder1 = new Builder1(); abstractBuilder builder2 = new BuilderB(); director.Construct(builder1); Builder.Builder b1 = builder1.getBuilder(); b1.show(); director.Construct(builder2); Builder.Builder b2 = builder2.getBuilder(); b2.show(); #endregion #region 观察者模式 Observer.ConcreteSubject s = new Observer.ConcreteSubject(); s.Attach(new Observer.ConcreteObserver(s, "x")); s.Attach(new Observer.ConcreteObserver(s, "y")); s.SubjectState = "ABC"; s.Notify(); ///下面是使用委托 ///委托就是一种引用方法的类型。一旦为委托分配了方法,委托将于该方法具有完全相同的行为。 ///委托方法的使用可以像其他的方法一样具有参数和返回值。委托可以看作是对函数的抽象,是函数的”类“,委托的实例将代表一个具体的函数 ///一个委托可以搭载多个方法,所有方法被依次唤起,委托搭载的方法不需要属于同一个类,只需要具有相同的原型和形式,也就是拥有相同的参数列表和返回类型。 ///在使用带参数的委托时,只需要在声明事件的地方将参数传递给事件。在绑定时将调用的方法绑定给事件。 Bosscs boss = new Bosscs(); StockObserver tongshi1 = new StockObserver("tongshi1",boss); NBAObserver tongshiNBA = new NBAObserver("tongshiNBA", boss); boss.Update += new EventHandler1(tongshi1.CloseStockMarket); boss.Update += new EventHandler1(tongshiNBA.CloseStockMarket); boss.update2 += new EventHandler2(tongshiNBA.print); boss.SubjectState = " I am back "; boss.Notify(); #endregion #region 状态模式 State.Context c = new State.Context(new CreateStateA()); c.Request(); c.Request(); c.Request(); c.Request(); #endregion #region 备忘录模式 Originator o = new Originator(); o.State = "On"; o.Show(); Caretaker care = new Caretaker(); care.Memento = o.CreateMemento(); o.State = "Off"; o.Show(); o.SetMemento(care.Memento); o.Show(); GameRole gameRole = new GameRole(); gameRole.GetInitState(); gameRole.StateDisplay(); RoleStateManager stateManager = new RoleStateManager(); stateManager.Memento = gameRole.SaveState(); gameRole.Fight(); gameRole.StateDisplay(); gameRole.RecoveryState(stateManager.Memento); gameRole.StateDisplay(); #endregion #region 组合模式 Composite.Composite root = new Composite.Component("root"); root.Add(new Leaf("Leaf A")); root.Add(new Leaf("Leaf B")); Composite.Composite comp = new Composite.Component("comp X"); comp.Add(new Leaf("Leaf XA")); comp.Add(new Leaf("Leaf XB")); root.Add(comp); Composite.Composite comp2 = new Composite.Component("Comp X2"); comp2.Add(new Leaf("Leaf X2A")); comp2.Add(new Leaf("Leaf X2B")); comp.Add(comp2); root.Add(new Leaf("Leaf C")); Leaf leaf = new Leaf("Leaf D"); root.Add(leaf); root.Display(1); root.Remove(leaf); root.Display(1); #endregion #region 迭代器模式 ConCreteAggregate aggregate = new ConCreteAggregate(); aggregate[0] = "大鸟"; aggregate[1] = "小菜"; aggregate[2]="行李"; aggregate[3] = "老外"; aggregate[4] = "小偷"; Iterator.Iterator myIterator = new ConCreteIterator(aggregate); object item = myIterator.First(); while (!myIterator.IsDone()) { Console.WriteLine(myIterator.CurrentItem() + "请买车票"); myIterator.Next(); } #endregion #region 单例模式 //所有类都有构造方法,不编码则默认生成空的构造方法,若有显示定义的构造方法,默认的构造方法就会失效。只要将构造方法改写为私有的,外部的程序就不能通过new 来初始化它。 //通过一个共有的方法来返回类的实例。 Singleton.Singleton s1 = Singleton.Singleton.GetInstance(); Singleton.Singleton s2 = Singleton.Singleton.GetInstance(); if (s1 == s2) { Console.WriteLine("两个对象是相同的实例。"); } #endregion #region 命令模式 Receiver r = new Receiver(); Command.Command command = new Command.ConcreteCommand(r); Invoker invoker = new Invoker(); invoker.SetCommand(command); invoker.ExecuteCommand(); #endregion #region 职责链模式 Handler h1 = new ConcreteHandler1(); Handler h2 = new ConcreteHandler2(); h1.SetSuccessor(h2); int[] requests = { 2, 3, 4, 5, 6, 12, 34, 11, 15 }; foreach (int request in requests) { h1.HandlerRequest(request); } #endregion #region 中介者模式 ConcreteMediator mediator = new ConcreteMediator(); ConcreteColleague1 colleague1 = new ConcreteColleague1(mediator); ConcreteColleague2 colleague2 = new ConcreteColleague2(mediator); mediator.Colleague1 = colleague1; mediator.Colleague2 = colleague2; colleague1.Send("吃饭了吗?"); colleague2.Send("还没有呢"); #endregion #region 享元模式 int extri = 22; FlyweightFactory f = new FlyweightFactory(); Flyweight.Flyweight fx = f.GetFlyweight("X"); fx.Operation(--extri); Flyweight.Flyweight fy = f.GetFlyweight("Y"); fy.Operation(--extri); Flyweight.Flyweight fz = f.GetFlyweight("Z"); fz.Operation(--extri); #endregion #region 解释器模式 <<<<<<< HEAD Interpreter.Context context = new Interpreter.Context(); IList<Interpreter.AbstractExpression> list = new List<Interpreter.AbstractExpression>(); list.Add(new Interpreter.TerminalExpression()); list.Add(new Interpreter.NormalExpression()); foreach (Interpreter.AbstractExpression exp in list) exp.Interpret(context); ======= Interpreter.Context context1 = new Interpreter.Context(); IList<AbstractExpression> list = new List<AbstractExpression>(); list.Add(new TerminalExpression()); list.Add(new NonTerminalExpression()); foreach (AbstractExpression exp in list) { exp.Interpreter(context1); } #endregion #region 访问者模式 ObjectStructure os = new ObjectStructure(); os.Add(new Man()); os.Add(new Woman()); Success v1 = new Success(); os.Display(v1); Failing f1 = new Failing(); os.Display(f1); Amativeness a1 = new Amativeness(); os.Display(a1); >>>>>>> 77e342ef6e96917a8dc01e72e41626dcffd4ba13 #endregion Console.Read(); }
public ConcreteObserver(ConcreteSubject subjet) { _subjet = subjet; subjet.Attach(this); }
public Store(ConcreteSubject subject) { Subject = subject; Subject.RegisterObserver(this); }
public Notification(ConcreteSubject subject) { Subject = subject; Subject.RegisterObserver(this); }
public ConcreteObserver(ConcreteSubject subject) { this._subject = subject; }
public ConcreteObserver(ConcreteSubject subject, string name) { this.Subject = subject; this.name = name; }
public ConcreteObserver(ConcreteSubject concreteSubject, string name) { _concreteSubject = concreteSubject; _name = name; }
public ConcreteObserver(ConcreteSubject subject, string name) { _subject = subject; _name = name; }