static void ObserverTester()
{
#region sample 1
// Configure Observer pattern
var 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();
#endregion
#region sample 2
// Create IBM stock and attach investors
var ibm = new IBM("IBM", 120.00);
ibm.Attach(new Investor("Sorros"));
ibm.Attach(new Investor("Berkshire"));
// Fluctuating prices will notify investors
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
#endregion
}
public void Send2Signals_WithSomeClient_MustBeUpdateAtSecondSignal()
{
var testSubject = new ConcreteSubject()
{
SubjectState = "signal1"
};
var observer1 = new ConcreteObserver(testSubject, "observer1");
var observer2 = new ConcreteObserver(testSubject, "observer2");
var observer3 = new ConcreteObserver(testSubject, "observer3");
testSubject.Attach(observer1);
testSubject.Attach(observer2);
testSubject.Attach(observer3);
testSubject.Notify();
Assert.Equal("signal1", observer1.GetState());
Assert.Equal("signal1", observer2.GetState());
Assert.Equal("signal1", observer2.GetState());
testSubject.SubjectState = "signal2";
testSubject.Notify();
Assert.Equal("signal2", observer1.GetState());
Assert.Equal("signal2", observer2.GetState());
Assert.Equal("signal2", observer2.GetState());
}
static void Main(string[] args)
{
#region
////Cat Mouse Owner and child
//Cat cat = new Cat("Tom");
//Observer mouse = new Mouse("Jerry", cat);
//Observer master = new Master(cat);
//Observer1 baby = new Baby(cat);
//cat.Cry();
//Console.Read();
#endregion
#region For observer pattern structure
ConcreteSubject subject = new ConcreteSubject();
subject.Attach(new ConcreteObserver(subject, "Observer A"));
subject.Attach(new ConcreteObserver(subject, "Observer B"));
subject.Attach(new ConcreteObserver(subject, "Observer C"));
subject.SubjectState = "Ready";
subject.Notify();
#endregion
Console.Read();
}
static void Main1802()
{
Console.WriteLine("Hello Observer Pattern!");
string path1 = "machine_name";
string path2 = "C$";
string path = System.IO.Path.Combine("\\\\", path1, path2);
var subject = new ConcreteSubject("PrisonBreakGroup");
// Step2.定义4个观察者对象
IObserver playerA = new Player("Mical");
subject.Attach(playerA);
IObserver playerB = new Player("Linken");
subject.Attach(playerB);
IObserver playerC = new Player("Jim");
subject.Attach(playerC);
IObserver playerD = new Player("Norwa");
subject.Attach(playerD);
// Step3.当某盟友遭受攻击
playerA.BeAttacked(subject);
Console.ReadLine();
}
static void Main(string[] args)
{
ConcreteSubject subject = new ConcreteSubject();
subject.Attach(new ConcreteObserver(subject));
subject.Attach(new ConcreteObserver(subject));
subject.State = "New State";
subject.Notify();
}
public static void ClientMain()
{
ConcreteSubject subject = new ConcreteSubject();
subject.Attach(new ConcreteObserver());
subject.Attach(new ConcreteObserver());
subject.State = "Some state";
subject.Notify();
}
public ObserverTest()
{
_subject = new ConcreteSubject();
_observerA = new ConcreteObserverA(_subject);
_observerB = new ConcreteObserverB(_subject);
_subject.Attach(_observerA);
_subject.Attach(_observerB);
}
public static void Test()
{
var concreteSubject = new ConcreteSubject("state 1");
concreteSubject.Attach(new ConcreteObserver("1"));
concreteSubject.Attach(new ConcreteObserver("2"));
concreteSubject.State = "state 2";
concreteSubject.State = "state 3";
}
public ConcreteSubject SubjectObserver()
{
ConcreteSubject concreteSubject = new ConcreteSubject();
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "X"));
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "Y"));
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "Z"));
return(concreteSubject);
}
public static void PublishPattern()
{
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.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();
}
public void ExecuteObserverStandard()
{
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();
}
private static void TestSample()
{
ConcreteSubject concreteSubject = new ConcreteSubject();
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "A"));
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "B"));
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "C"));
concreteSubject.SubjectState = "xyz";
}
public void Test_Observer_normal()
{
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();
}
//观察者模式 [əb'zə:və, ɔb-]
static void Main(string[] args)
{
ConcreteSubject s = new ConcreteSubject();
s.Attach(new ConcreteObserver(s, "a"));
s.Attach(new ConcreteObserver(s, "b"));
s.Attach(new ConcreteObserver(s, "c"));
s.SubjectState = "run";
s.Notify();
Console.Read();
}
/// <summary>
/// 观察者模式
/// </summary>
static void TestObserver()
{
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();
}
static void Main()
{
var s = new ConcreteSubject();
s.Attach(new ConcreteObserver(s, "Observer-X", 10));
s.Attach(new ConcreteObserver(s, "Observer-Y", 20));
s.Attach(new ConcreteObserver(s, "Observer-Z", 30));
s.SetState(12);
Console.ReadKey();
}
public void Initialize()
{
cs = new ConcreteSubject();
co1 = new ConcreteObserver(cs);
co2 = new ConcreteObserver(cs);
co3 = new ConcreteObserver(cs);
cs.Attach(co1);
cs.Attach(co2);
cs.Attach(co3);
}
public void ObserverTest3()
{
ConcreteSubject subject = new ConcreteSubject();
ConcreteObserver observer1 = new ConcreteObserver();
ConcreteObserver observer2 = new ConcreteObserver();
subject.Attach(observer1);
subject.Notify();
subject.Attach(observer2);
subject.Notify();
Assert.True((observer1.Notified == 2) && (observer2.Notified == 1));
}
public void Test()
{
Observer coa = new ConreteObserverA();
Observer cob = new ConreteObserverB();
Observer coc = new ConreteObserverC();
Subject cs = new ConcreteSubject();
cs.Attach(coa);
cs.Attach(cob);
cs.Attach(coc);
cs.Notify(5);
}
public void subjectCount()
{
ConcreteSubject subject = new ConcreteSubject();
Ellipse testEll1 = new Ellipse();
ConcreteObserver ob1 = new ConcreteObserver(subject, testEll1);
Ellipse testEll2 = new Ellipse();
ConcreteObserver ob2 = new ConcreteObserver(subject, testEll2);
subject.Attach(ob1);
subject.Attach(ob2);
Assert.AreEqual(subject.observers.Count, 2);
}
public static void ObserverStructural()
{
// 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();
}
/// <summary>
/// Entry point into console application.
/// </summary>
public void Run()
{
// Configure Observer pattern
var 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();
}
public void TestObserverPattern()
{
ConcreteSubject concreteSubject = new ConcreteSubject();
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "x"));
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "y"));
concreteSubject.Attach(new ConcreteObserver(concreteSubject, "z"));
concreteSubject.SubjectState = "ABC";
concreteSubject.Notify();
Assert.True(true);
}
static void ObserverDefinedTest()
{
// 具体目标
ConcreteSubject s = new ConcreteSubject();
// 添加观察者
s.Attach(new ConcreteObserver(s, "X"));
s.Attach(new ConcreteObserver(s, "Y"));
s.Attach(new ConcreteObserver(s, "Z"));
// 更改具体目标的状态
s.SubjectState = "ABC";
// 通知观察者
s.Notify();
}
public void ObserverUsage()
{
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();
Assert.IsTrue(true);
}
private static void Main()
{
var subject = new ConcreteSubject();
var observer1 = new ConcreteObserver("observer1");
var observer2 = new ConcreteObserver("observer2");
subject.Attach(observer1);
subject.Attach(observer2);
subject.SubjectState = "Modified";
subject.Detach(observer1);
subject.Detach(observer2);
subject.SubjectState = "Modified Again !";
Console.ReadKey();
}
public void ObserverTest4()
{
ConcreteSubject subject = new ConcreteSubject();
ConcreteObserver observer1 = new ConcreteObserver();
ConcreteObserver observer2 = new ConcreteObserver();
subject.Attach(observer1);
subject.Notify(subject);
subject.Attach(observer2);
subject.Notify(subject);
subject.Detach(observer1);
subject.Notify(subject);
Assert.True(observer1.Notified == observer2.Notified);
}
// Use this for initialization
void Start()
{
ConcreteSubject subject = new ConcreteSubject();
subject.Attach(new ConcreteObserver(subject, "Observe A"));
subject.Attach(new ConcreteObserver(subject, "Observe B"));
subject.Attach(new ConcreteObserver(subject, "Observe C"));
subject.SubjectState = "Ready";
subject.Notify();
MyDelegate.testDelegate += log1;
MyDelegate.testDelegate += log2;
MyDelegate.testDe("TestDelegate");
}
//LD_OBSERVER_000
public static void RunObserverBehavioralPattern()
{
//one subject and two observers
ISubject <string> subject = new ConcreteSubject <string>();
ObserverBehavioralPattern.IObserver <string> observer1 = new ConcreteObserver <string>("observer1");
ObserverBehavioralPattern.IObserver <string> observer2 = new ConcreteObserver <string>("observer2");
//register the observers to the subject
subject.Attach(observer1);
subject.Attach(observer2);
//a change to the subject automatically notifies all the observers
subject.SetState("stateX");
}
private static void callObserver()
{
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();
}
// Update is called once per frame
void UnitTest ()
{
// 主題
ConcreteSubject theSubject = new ConcreteSubject();
// 加入觀察者
ConcreteObserver1 theObserver1 = new ConcreteObserver1(theSubject);
theSubject.Attach( theObserver1 );
theSubject.Attach( new ConcreteObserver2(theSubject) );
// 設定Subject
theSubject.SetState("Subject狀態1");
// 顯示狀態
theObserver1.ShowState();
}
/// <summary>
/// Entry point into console application.
/// </summary>
static void Demo()
{
// 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();
}
public static void Main()
{
ConcreteSubject s = ConcreteSubject.GetInstance();
s.Attach(new PusherObserver(s));
Listen(s);
}
public static void TestObservers()
{
var s = new ConcreteSubject();
s.Attach(new ConcreteObserver(s, "X"));
s.Attach(new ConcreteObserver(s, "Y"));
s.Attach(new ConcreteObserver(s, "Z"));
s.SubjectState = "ABC";
var dict = s.Notify(true);
foreach (var dictVal in dict)
{
StringAssert.AreEqualIgnoringCase(dictVal.Value, "ABC");
}
}
static void Main(string[] args)
{
//IBM myIBM = new IBM("IBM", 120.00);
//myIBM.Attach(new Investor("Sorres"));
//myIBM.Attach(new Investor("Berkeley"));
//myIBM.Price = 120.10;
//myIBM.Price = 122;
//myIBM.Price = 130;
ConcreteSubject myConcreteSubject = new ConcreteSubject();
myConcreteSubject.Attach(new ConcreteObserver("Hans", myConcreteSubject));
myConcreteSubject.Attach(new ConcreteObserver("Jokke", myConcreteSubject));
myConcreteSubject.State = "Hello";
myConcreteSubject.State = "Derp";
}
// Entry point into console application.
static void Main()
{
// Configure Observer pattern
ConcreteSubject s = new ConcreteSubject();
s.Attach(new ConcreteObserver(s, "X"));
s.Attach(new ConcreteObserver(s, "Y"));
// Change subject and notify observers
s.SubjectState = "A";
s.Notify();
Console.WriteLine();
s.Attach(new ConcreteObserver(s, "Z"));
s.SubjectState = "B";
s.Notify();
// Wait for user input
Console.ReadKey();
}
public static void Main( string[] args )
{
// Configure Observer structure
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();
}
