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 AttachObserversTest()
{
ibm.Attach(sorros);
ibm.Attach(berkshire);
Assert.AreEqual(ibm.investors[0], sorros);
Assert.AreEqual(ibm.investors[1], berkshire);
}
public static void Main()
{
var ibm = new IBM("IBM", 120.00);
ibm.Attach(new Investor("Sorros"));
ibm.Attach(new Investor("New investor"));
ibm.Price = 121.90;
ibm.Price = 200.00;
}
public static void Main()
{
var ibm = new IBM("IBM", 120.00);
ibm.Attach(new Investor("Sorros"));
ibm.Attach(new Investor("New investor"));
ibm.Price = 121.90;
ibm.Price = 200.00;
}
public void When_Attach_investors_Shoud_Notify_AllOfthem_Change_Price()
{
foreach (var investor in _investors)
{
_ibm.Attach(investor.Object);
}
Assert.AreEqual(0, _notifiedInvestors);
_ibm.Price = 120.10;
Assert.AreEqual(3, _notifiedInvestors);
}
static void Main()
{
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;
}
public ObserverPattern()
{
IBM ibm = new IBM("IBM", 120.00);
ibm.Attach(new Observer("Daddy yanky"));
ibm.Attach(new Observer("Sean Paul"));
ibm.Attach(new Observer("Nikhilesh shinde"));
ibm.Price = 120.11;
ibm.Price = 120.01;
ibm.Price = 120.61;
}
public static void Execucao()
{
var ibm = new IBM("IBM", 120.00);
ibm.Attach(new Investor("João"));
ibm.Attach(new Investor("Maria"));
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
}
static void RunObserverRealWorld()
{
IBM 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;
}
internal static void Main()
{
// 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;
}
public static void Test()
{
Investor s = new Investor("张三");
Investor b = new Investor("李四");
IBM ibm = new IBM("IBM", 120.00);
ibm.Attach(s);
ibm.Attach(b);
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
}
static void Main(string[] args)
{
IBM 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;
}
public static void Main()
{
Stock ibm = new IBM(nameof(IBM), 120.2);
var firstInvestor = new Investor(Constants.DisplayInvestor + 1);
ibm.Attach(firstInvestor);
ibm.Attach(new Investor(Constants.DisplayInvestor + 2));
ibm.Price = 120.4;
ibm.Detach(firstInvestor);
ibm.Price = 125.58;
ibm.Attach(new Investor(Constants.DisplayInvestor + 3));
ibm.Price = 120.99;
}
static void Main(string[] args)
{
Stock ibm = new IBM("IBM", 120.2);
var firstInvestor = new Investor("Investor #1");
ibm.Attach(firstInvestor);
ibm.Attach(new Investor("Investor #2"));
ibm.Price = 120.4;
ibm.Detach(firstInvestor);
ibm.Price = 125.58;
ibm.Attach(new Investor("Investor #3"));
ibm.Price = 120.99;
}
public static void ObserverRealWorld()
{
// Create IBM stock and attach investors
IBM 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;
}
public void TestObserverPrice()
{
IBM ibm = new IBM("IBM", 120.24);
var i1 = new Investor("I1");
var i2 = new Investor("I2");
ibm.Attach(i1);
ibm.Attach(i2);
ibm.Price = 113.24;
Assert.AreEqual(i1.Stock.Price, 113.24);
Assert.AreEqual(i2.Stock.Price, 113.24);
}
public void Main()
{
// Create IBM stock and attach investors
IBM ibm = new 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;
}
static void Main(string[] args)
{
{
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;
Console.ReadKey();
}
}
// Entry point into console application.
static void Main()
{
// Create IBM stock and attach investors
IBM 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;
// Wait for user
Console.ReadKey();
}
/// <summary>
/// Entry point into console application.
/// </summary>
static void Main()
{
// Create IBM stock and attach investors
IBM 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;
// Wait for user
Console.ReadKey();
}
public static void Run()
{
var ibm = new IBM("Microsoft", 100);
var investor = new Investor("Igor");
ibm.Attach(investor);
ibm.Price = 300;
ibm.Price = 200;
}
public void Run()
{
// Skapa ibm-aktien
IBM ibm = new IBM("IBM", 120.00);
// En extra investor
var myInvestor = new Investor("happybits");
// Vi lägger till investerare
ibm.Attach(new Investor("Sorros"));
ibm.Attach(new Investor("Berkshire"));
ibm.Attach(myInvestor);
// När priset ändras så blir investorerna meddelade
ibm.Price = 120.10;
ibm.Price = 121.00;
// Nu tar vi bort en investor och fortsätter ändra priset
ibm.Detach(myInvestor);
ibm.Price = 120.50;
ibm.Price = 120.75;
}
private static void Main(string[] args)
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Gang of Four Design Pattern - Observer");
Console.ForegroundColor = ConsoleColor.White;
// Create IBM stock and attach investors
var ibm = new IBM("International Business Machines", "IBM", 120.00m);
ibm.Attach(new StockInvestor {
Name = "Tim"
});
ibm.Attach(new StockInvestor {
Name = "John"
});
// Fluctuating prices will notify investors
ibm.Price = 120.10m;
ibm.Price = 121.00m;
ibm.Price = 120.50m;
ibm.Price = 120.75m;
}
public static void TestInvestors()
{
var ibm = new IBM("IBM", 120.00);
ibm.Attach(new Investor("Sorros"));
ibm.Attach(new Investor("Berkshire"));
using (var consoleOutput = new TestHelper.ConsoleOutput())
{
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
var consoleLogLines = consoleOutput.GetOuput().Split(Environment.NewLine.ToCharArray()).ToList();
consoleLogLines.RemoveAll(String.IsNullOrEmpty);
foreach (var line in consoleLogLines)
{
Assert.True(line.Contains("IBM") && (line.Contains("Sorros") || line.Contains("Berkshire")) &&
(line.Contains("120.10") || line.Contains("121.00") || line.Contains("120.50") || line.Contains("120.75")));
}
consoleOutput.Dispose();
}
ibm.Attach(new Investor("Another"));
using (var consoleOutput = new TestHelper.ConsoleOutput())
{
ibm.Price = 99.99;
var consoleLogLines = consoleOutput.GetOuput().Split(Environment.NewLine.ToCharArray()).ToList();
consoleLogLines.RemoveAll(String.IsNullOrEmpty);
var lastLine = consoleLogLines.LastOrDefault();
if (lastLine == null)
{
Assert.Fail();
}
Assert.True(lastLine.Contains("IBM") && lastLine.Contains("99.99") && lastLine.Contains("Another"));
}
}
public static void Main( string[] args )
{
// Create investors
Investor s = new Investor( "Sorros" );
Investor b = new Investor( "Berkshire" );
// Create IBM stock and attach investors
IBM ibm = new IBM( "IBM", 120.00 );
ibm.Attach( s );
ibm.Attach( b );
// Change price, which notifies investors
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
}
static void Main(string[] args)
{
Console.WriteLine("******Singleton******\n");
LoadBalancer L1 = LoadBalancer.GetLoadBalancer();
LoadBalancer L2 = LoadBalancer.GetLoadBalancer();
LoadBalancer L3 = LoadBalancer.GetLoadBalancer();
LoadBalancer L4 = LoadBalancer.GetLoadBalancer();
if (L1 == L2 && L2 == L3 && L3 == L4)
{
Console.WriteLine("Same Instance");
}
LoadBalancer load = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 15; i++)
{
Console.WriteLine(load.Server);
}
Console.WriteLine("\n******AbstractFactory******\n");
ContinentFactory africa = new AfricaFactory();
AnimalWorld earth = new AnimalWorld(africa);
earth.RunFoodChain();
ContinentFactory america = new AmericaFactory();
earth = new AnimalWorld(america);
earth.RunFoodChain();
Console.WriteLine("\n******Factory******\n");
Document[] document = new Document[2];
document[0] = new Report();
document[1] = new Resume();
foreach (Document doc in document)
{
Console.WriteLine(doc.GetType().Name + " contains:");
foreach (Page page in doc.Pages)
{
Console.WriteLine("\t" + page.GetType().Name);
}
}
Console.WriteLine("\n******Facade******\n");
Mortgage mort = new Mortgage();
Customer customer = new Customer("Chad");
int amount = 100000;
bool elligable = mort.IsElligable(customer, amount);
Console.WriteLine(customer.Name + " is " + (elligable ? "elligable" : "not elligable"));
Console.WriteLine("\n******Decorator******\n");
Book book = new Book("George RR Martin", "A song of ice and fire", 22);
book.Display();
Video video = new Video("Jaws", "Spielberg", 92, 18);
video.Display();
Borrowable borrowableVideo = new Borrowable(video);
borrowableVideo.BorrowItem("Sky");
borrowableVideo.BorrowItem("Inga");
borrowableVideo.Display();
Console.WriteLine("\n******Prototype******\n");
ColorManager colorManager = new ColorManager();
colorManager["red"] = new Color(255, 0, 0);
colorManager["green"] = new Color(0, 255, 0);
colorManager["blue"] = new Color(0, 0, 255);
colorManager["angry"] = new Color(255, 54, 0);
colorManager["peace"] = new Color(128, 211, 128);
colorManager["flame"] = new Color(211, 34, 20);
Color color1 = colorManager["red"].Clone() as Color;
Color color2 = colorManager["peace"].Clone() as Color;
Color color3 = colorManager["flame"].Clone() as Color;
Console.WriteLine("\n******Builder******\n");
VehicleBuilder builder;
Shop shop = new Shop();
builder = new ScooterBuilder();
shop.Construct(builder);
builder.Vehicle.Show();
builder = new CarBuilder();
shop.Construct(builder);
builder.Vehicle.Show();
builder = new MotorcycleBuilder();
shop.Construct(builder);
builder.Vehicle.Show();
Console.WriteLine("\n******Adapter******\n");
Compound unknown = new RichCompound("Unknown");
unknown.Display();
Compound water = new RichCompound("Water");
water.Display();
Compound benzene = new RichCompound("Benzene");
benzene.Display();
Compound ethanol = new RichCompound("Ethanol");
ethanol.Display();
Console.WriteLine("\n******Bridge******\n");
Customers customers = new Customers("Chicago");
customers.Data = new CustomersData();
customers.Show();
customers.Next();
customers.Show();
customers.Next();
customers.Show();
customers.Add("Henry Velasquez");
customers.ShowAll();
Console.WriteLine("\n******Composite******\n");
CompositeElement root = new CompositeElement("Picture");
root.Add(new PrimitiveElement("Red Line"));
root.Add(new PrimitiveElement("Blue Circle"));
root.Add(new PrimitiveElement("Green Box"));
CompositeElement comp = new CompositeElement("Two Circles");
comp.Add(new PrimitiveElement("Black Circle"));
comp.Add(new PrimitiveElement("White Circle"));
root.Add(comp);
PrimitiveElement pe = new PrimitiveElement("Yellow Line");
root.Add(pe);
root.Remove(pe);
root.Display(1);
Console.WriteLine("\n******Observer******\n");
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;
Console.WriteLine("\n******Strategy******\n");
SortedList studentRecords = new SortedList();
studentRecords.Add("Samuel");
studentRecords.Add("Jimmy");
studentRecords.Add("Sandra");
studentRecords.Add("Vivek");
studentRecords.Add("Anna");
studentRecords.SetSortStrategy(new QuickSort());
studentRecords.Sort();
studentRecords.SetSortStrategy(new ShellSort());
studentRecords.Sort();
studentRecords.SetSortStrategy(new MergeSort());
studentRecords.Sort();
/*
* Console.WriteLine("\n******Template******\n");
* DataAccessObject daoCategories = new Categories();
* daoCategories.Run();
*
* DataAccessObject daoProducts = new Products();
* daoProducts.Run();
*/
Console.WriteLine("\n***Chain of Responsibility***\n");
Approver larry = new Director();
Approver sam = new VicePresident();
Approver tammy = new President();
larry.SetSuccessor(sam);
sam.SetSuccessor(tammy);
Purchase p = new Purchase(2034, 350.00, "Assets");
larry.ProcessRequest(p);
p = new Purchase(2035, 32590.10, "Project X");
larry.ProcessRequest(p);
p = new Purchase(2036, 122100.00, "Project Y");
larry.ProcessRequest(p);
Console.WriteLine("\n******Command******\n");
User user = new User();
user.Compute('+', 100);
user.Compute('-', 50);
user.Compute('*', 10);
user.Compute('/', 2);
user.Undo(4);
user.Redo(3);
Console.ReadKey();
}
