static void Main(string[] args)
{
Observable obe = new ConcreteObservable();
ConcreteObserver concreteObserver_1 = new ConcreteObserver("ConcreteObserver_1");
ConcreteObserver concreteObserver_2 = new ConcreteObserver("ConcreteObserver_2");
ConcreteObserver concreteObserver_3 = new ConcreteObserver("ConcreteObserver_3");
obe.AddObserver(concreteObserver_1);
obe.AddObserver(concreteObserver_3);
obe.NotifyObservers();
obe.NotifyObservers();
obe.RemoveObserver(concreteObserver_3);
obe.AddObserver(concreteObserver_2);
obe.NotifyObservers();
obe.AddObserver(concreteObserver_3);
obe.NotifyObservers();
PrintObserverInfo(concreteObserver_1);
PrintObserverInfo(concreteObserver_2);
PrintObserverInfo(concreteObserver_3);
}
public void Update(object sub)
{
ObserverState newState = (ObserverState)sub;
if (newState == ObserverState.Standby)
{
m_concreteSubject.DetachAll();
m_concreteSubject.StopUpdateByMyself();
m_concreteSubject = null;
m_concreteObserver = null;
//watch1_button.Enabled = false;
buttonDoObserve.Text = "Do Observe";
}
else
{
m_concreteSubject = new CurrentTimeSubject();
m_concreteObserver = new ConcreteObserver("Observe On Trace");
m_concreteSubject.Attach(m_concreteObserver);
m_concreteSubject.StartUpdateByMyself();
//watch1_button.Enabled = true;
buttonDoObserve.Text = "Stop Observe";
}
}
static void Main(string[] args)
{
ISubject subject = new Subject();
ConcreteObserver obs = new ConcreteObserver(subject);
subject.Notify();
Console.ReadLine();
}
public static void Main(string[] args)
{
var subject = new ConcreteSubject();
var observer1 = new ConcreteObserver(subject);
var observer2 = new ConcreteObserver(subject);
subject.Name = "panicoenlaxbox";
}
static void Main()
{
// Создание издателя.
ConcreteSubject subject = new ConcreteSubject();
// Создание подписчиков.
ConcreteObserver observer1 = new ConcreteObserver("1", subject);
ConcreteObserver observer2 = new ConcreteObserver("2", subject);
ConcreteObserver observer3 = new ConcreteObserver("3", subject);
ConcreteObserver observer4 = new ConcreteObserver("4", subject);
// Подписание подписчиков на издателя с получением объекта для отписки.
IDisposable unsubscriber1 = subject.Subscribe(observer1);
IDisposable unsubscriber2 = subject.Subscribe(observer2);
IDisposable unsubscriber3 = subject.Subscribe(observer3);
IDisposable unsubscriber4 = subject.Subscribe(observer4);
using (subject)
{
// Попытка предоставить обзерверам некорректное состояние.
subject.State = null;
subject.Notify();
Console.WriteLine(new string('-', 70) + "1");
// Отписка первого подписчика через ConcreteSubject.Unsubscriber.Dispose()
using (unsubscriber1)
{
// Попытка предоставить обзерверам корректное состояние.
subject.State = "State 1 ...";
subject.Notify();
}
Console.WriteLine(new string('-', 70) + "2");
// State 2 - получат только три подписчика которые остались подписанными.
subject.State = "State 2 ...";
subject.Notify();
Console.WriteLine(new string('-', 70) + "3");
// Отписка второго подписчика через ConcreteObserver.OnCompleted()
observer2.OnCompleted();
// State 3 - получат только 2 подписчика которые остались подписанными.
subject.State = "State 3 ...";
subject.Notify();
} // observers.Clear()
Console.WriteLine(new string('-', 70) + "4");
// Попытка отписать уже отписанного подписчика, обрабатывается в
// ConcreteSubject.Unsubscriber.Dispose()
observer4.OnCompleted();
// Delay.
Console.ReadKey();
}
public static void Main(string[] args)
{
ConcreteObserver observer1 = new ConcreteObserver();
ConcreteObserver observer2 = new ConcreteObserver();
ConcretePublisher concretePublisher = new ConcretePublisher("teste");
concretePublisher.AttachObserver(observer1);
concretePublisher.AttachObserver(observer2);
concretePublisher.ChangeValue("test2");
}
static void Main(string[] args)
{
ConcreteSubject cs = new ConcreteSubject();
ConcreteObserver co = new ConcreteObserver();
AnotherConcreteObserver ao = new AnotherConcreteObserver();
cs.Register(co);
cs.Register(ao);
cs.SendAnUpdate("Wow what an amazing update!");
}
static void Main(string[] args)
{
ConcreteSubject sub = new ConcreteSubject();
ConcreteObserver obs = new ConcreteObserver();
sub.AddObserver(obs);
sub.ChangeState(1);
sub.RemoveObserver(obs);
Console.ReadLine();
}
static void Main(string[] args)
{
ConcreteSubject cel = new ConcreteSubject();
ConcreteSubject cel2 = new ConcreteSubject();
Observer obs1 = new ConcreteObserver("Obserwator 1", cel);
Observer obs2 = new ConcreteObserver("Obserwator 2", cel);
Observer obs3 = new ConcreteObserver("Obserwator 3", cel2);
Observer obs4 = new ConcreteObserver("Obserwator 4", cel2);
cel.SetState("nowy stan");
cel2.SetState("kolejny stan");
}
static void Main(string[] args)
{
ConcreteSubject subject = new ConcreteSubject();
subject.State = "Мурзилка";
ConcreteObserver observer = new ConcreteObserver(subject, "Вася");
subject.Attach(observer);
subject.Notify();
System.Console.WriteLine($"{observer.Name} подписан на журнал {observer.ObserverState}");
}
static void Main()
{
ConcreteSubject aConcreteSubject = new ConcreteSubject();
ConcreteObserver aConcreteObserver = new ConcreteObserver(aConcreteSubject);
ConcreteObserver anotherConcreteObserver = new ConcreteObserver(aConcreteSubject);
aConcreteSubject.aConcreteObserver = aConcreteObserver;
aConcreteSubject.anotherConcreteObserver = anotherConcreteObserver;
aConcreteObserver.ChangeState("First state!");
Console.WriteLine(new string('-', 70));
anotherConcreteObserver.ChangeState("Second state!");
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
//先创建通知者
ConcreteSubject subject = new ConcreteSubject();
//在创建观察者
ConcreteObserver observer1 = new ConcreteObserver(subject, "学生小明");
//通知者添加观察者
subject.Attach(observer1);
//改状态
//subject.SubjectState = "学习";
//通知
subject.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)
{
ConcreteObserver obs1 = new ConcreteObserver("obs1");
ConcreteObserver obs2 = new ConcreteObserver("obs2");
List <IObserver> observers = new List <IObserver>()
{
obs1, obs2
};
Subject subject = new Subject();
subject.RegisterObserver(obs1);
subject.RegisterObserver(obs2);
subject.State = "state 1";
subject.UnregisterObserver(obs1);
subject.State = "state 2";
}
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(string[] args)
{
var producer1 = new ConcreteProducer("Producer #1");
var producer2 = new ConcreteProducer("Producer #2");
var observer1 = new ConcreteObserver("Observer #1");
var observer2 = new ConcreteObserver("Observer #2");
var observer3 = new ConcreteObserver("Observer #3");
// Producer1 addes only observer 1
producer1.AddObserver(observer1);
// Producer2 is much more popular and adds all observers
producer2.AddObserver(observer1);
producer2.AddObserver(observer2);
producer2.AddObserver(observer3);
// When producer1 notifies we only see one action in the console
producer1.Notify("Hello faithful subjects");
// When producer2 notifies we see 3 actions occur in the console
producer2.Notify("Hello fellow citizens");
}
static void Main(string[] args)
{
var subject = new Subject();
var observerA = new ConcreteObserver();
subject.Attach(observerA);
var observerB = new ConcreteObserverB();
subject.Attach(observerB);
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
subject.Detach(observerB);
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
Console.ReadKey();
}
static void PrintObserverInfo(ConcreteObserver observer)
{
Console.WriteLine("{0}:", observer.Name);
foreach (var evt in observer.Events)
Console.WriteLine("\t{0}", evt);
}
private void Chb2_Checked(object sender, RoutedEventArgs e)
{
ob2 = new ConcreteObserver(subject, Ell);
subject.Attach(ob2);
}
private void Chb3_Checked(object sender, RoutedEventArgs e)
{
ob3 = new ConcreteObserver(subject, RecRec);
subject.Attach(ob3);
}
