private static void Main(string[] args)
{
#region Adapter
///Adapter pattern example
//var adapter = new AdapterClient();
//adapter.Main();
#endregion
#region Bridge
///Bridge pattern example
//var bridgeClient = new BridgeClient();
//Abstraction abstraction = new Abstraction(new ConcreteImplementationA());
//bridgeClient.ClientCode(abstraction);
//Console.WriteLine();
//abstraction = new ExtendedAbstraction(new ConcreteImplementationB());
//bridgeClient.ClientCode(abstraction);
#endregion
#region Composite
///Composite pattern example
//CompositeClient client = new CompositeClient();
//Leaf leaf = new Leaf();
//Console.WriteLine("Client: I get a simple component:");
//client.ClientCode(leaf);
//var tree = new Composite.Composite();
//Composite.Composite branch1 = new Composite.Composite();
//branch1.Add(new Leaf());
//branch1.Add(new Leaf());
//Composite.Composite branch2 = new Composite.Composite();
//branch2.Add(new Leaf());
//tree.Add(branch1);
//tree.Add(branch2);
//Console.WriteLine("Client: Now I've got a composite tree:");
//client.ClientCode(tree);
//Console.Write("Client: I don't need to check the components classes even when managing the tree:\n");
//client.ClientCode2(tree, leaf);
#endregion
#region Decorator
/// Decorator pattern example
//DecoratorClient client = new DecoratorClient();
//var simple = new ConcreteComponent();
//Console.WriteLine("Client: I get a simple component:");
//client.ClientCode(simple);
//Console.WriteLine();
//ConcreteDecoratorA decorator1 = new ConcreteDecoratorA(simple);
//ConcreteDecoratorB decorator2 = new ConcreteDecoratorB(decorator1);
//Console.WriteLine("Client: Now I've got a decorated component:");
//client.ClientCode(decorator2);
#endregion
#region Facade
/// Facade pattern example
SubSystem1 subsystem1 = new SubSystem1();
SubSystem2 subsystem2 = new SubSystem2();
Facade.Facade facade = new Facade.Facade(subsystem1, subsystem2);
FacadeClient.ClientCode(facade);
#endregion
Console.ReadKey();
}
public void Operation(Facade facade)
{
facade.Operation();
}
static void Main(string[] args)
{
var random = new Random();
// ********* Builder(Fluent) Pattern Usage: START *********
// creating dummy data for products simulation
int capacity = 3;
var products = new List <Product>(capacity);
for (int i = 1; i <= capacity; i++)
{
products.Add(
new Product
{
Id = Guid.NewGuid(),
Name = $"Product {i}",
Price = Math.Round(random.NextDouble() * 100, 2),
NumberInStock = random.Next(100)
});
}
// creation of builder is mandatory. because we use it when we create manager for report builder
var builder = new ProductStockReportBuilder(products);
var manager = new ProductStockReportManager(builder);
// report is generated by manager
manager.BuildReport();
var productsReport = builder.GetReport();
Console.WriteLine(productsReport);
// ********* Builder(Fluent) Pattern Usage: END *********
// -------------------------------------------------------------------------
// ********* Fluent Builder Interface with Recursive Generics Pattern Usage: START *********
var emp = EmployeeBuilderManager.NewEmployee
.WithFirstName("Nuran").WithLastName("Tarlan").WithAge(18)
.WithEMail("*****@*****.**")
.WithMainPhone("xxx-xxx-xx-xx").WithBackupPhone("xxx-xxx-xx-xx")
.AtPosition(Positions.FullStackDeveloper).WithSalary(500).Build();
Console.WriteLine(emp);
// ********* Fluent Builder Interface with Recursive Generics Pattern Usage: END *********
// -------------------------------------------------------------------------
// ********* Faceted Builder Pattern Usage: START
var car = new CarBuilderFacade()
.Info.WithBrand(CarBrands.Subaru).WithModel("Impreza").CreatedAt(2003).WithDistance(186522.5)
.Engine.WithEngine(1800).WithHorsePower(422).WithTorque(600)
.Trade.WithPrice(18000.0m).IsSecondHand(true)
.Address.InCity("Baku").InDealer("Subaru XXXXX-XX")
.Build();
Console.WriteLine(car);
// ********* Faceted Builder Pattern Usage: END
// -------------------------------------------------------------------------
// ********* Factory Method Pattern Usage: START
AirConditioner.InitializeFactories()
.ExecuteCreation(Actions.Cooling, 20.2)
.Operate();
// ********* Factory Method Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Singleton Pattern Usage: START
var db1 = SingletonDataContainer.GetInstance;
Console.WriteLine($"Population of Sumqayit: {db1.GetPopulation("Sumqayit")}");
var db2 = SingletonDataContainer.GetInstance;
Console.WriteLine($"Baku: {db2.GetPopulation("Baku")} people");
// ********* Singleton Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Adapter Pattern Usage: START
var xmlConverter = new CustomXmlConverter();
var adapter = new XmlToJsonAdapter(xmlConverter);
adapter.ConvertXmlToJson();
// ********* Adapter Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Composite Pattern Usage: START
// single gift
var phone = new SingleGift("Phone", 500);
phone.CalculateTotalPrice();
Console.WriteLine();
// composite many gifts together
var rootBox = new CompositeGift("Surprise Box for Teenagers", true);
var truckToy = new SingleGift("Truck Toy", 220);
var plainToy = new SingleGift("Plain Toy", 89);
rootBox.Add(truckToy);
rootBox.Add(plainToy);
var childBox = new CompositeGift("Surprise Box for Children", false);
var soldierToy = new SingleGift("Soldier Toy", 15);
childBox.Add(soldierToy);
rootBox.Add(childBox);
rootBox.CalculateTotalPrice();
// ********* Composite Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Decorator Pattern Usage: START
var regularOrder = new RegularOrder();
Console.WriteLine(regularOrder.CalculateTotalOrderPrice() + "\n");
var preOrder = new PreOrder();
Console.WriteLine(preOrder.CalculateTotalOrderPrice() + "\n");
var premiumPreOrder = new PremiumPreOrder(preOrder);
Console.WriteLine(premiumPreOrder.CalculateTotalOrderPrice());
// ********* Decorator Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Command Pattern Usage: START
var modifyPrice = new ModifyPrice();
var product = new Product2("Phone", 500);
modifyPrice.Execute(new ProductCommand(product, PriceAction.Increase, 100));
modifyPrice.Execute(new ProductCommand(product, PriceAction.Decrease, 700));
modifyPrice.Execute(new ProductCommand(product, PriceAction.Decrease, 20));
Console.WriteLine(product);
modifyPrice.UndoActions();
Console.WriteLine(product);
// ********* Command Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Strategy Pattern Usage: START
var reports = new List <DeveloperReport>
{
new DeveloperReport {
Id = 1, Name = "Dev1", Level = DeveloperLevel.Senior, HourlyRate = 30.5, WorkingHours = 160
},
new DeveloperReport {
Id = 2, Name = "Dev2", Level = DeveloperLevel.Junior, HourlyRate = 20, WorkingHours = 120
},
new DeveloperReport {
Id = 3, Name = "Dev3", Level = DeveloperLevel.Senior, HourlyRate = 32.5, WorkingHours = 130
},
new DeveloperReport {
Id = 4, Name = "Dev4", Level = DeveloperLevel.Junior, HourlyRate = 24.5, WorkingHours = 140
}
};
var calculatorContext = new SalaryCalculator(new JuniorDeveloperSalaryCalculator());
var juniorTotal = calculatorContext.Calculate(reports);
Console.WriteLine($"Total amount for junior salaries is: {juniorTotal}");
calculatorContext.SetCalculator(new SeniorDeveloperSalaryCalculator());
var seniorTotal = calculatorContext.Calculate(reports);
Console.WriteLine($"Total amount for senior salaries is: {seniorTotal}");
Console.WriteLine($"Total cost for all the salaries is: {juniorTotal + seniorTotal}");
// ********* Strategy Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Facade Pattern Usage: START
var facade = new Facade.Facade();
var chickenOrder = new Order()
{
DishName = "Chicken with rice", DishPrice = 20.0, User = "******", ShippingAddress = "Random street 123"
};
var sushiOrder = new Order()
{
DishName = "Sushi", DishPrice = 52.0, User = "******", ShippingAddress = "More random street 321"
};
facade.OrderFood(new List <Order> {
chickenOrder, sushiOrder
});
// ********* Facade Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Prototype Pattern Usage: START
var grid = new List <IBlock>();
grid.AddRange(new List <IBlock>
{
BlockFactory.Create("Hello, world!"),
BlockFactory.Create("3"),
BlockFactory.Create("16/05/2002"), // datetime
BlockFactory.Create("08/22/2021") // string, because 12 month exist in calendar
});
foreach (var block in grid)
{
Console.WriteLine(block);
}
var block5 = (DateTimeBlock)grid[2].Clone();
block5.Format = "MM/dd/yyyy";
grid.Add(block5);
Console.WriteLine("\nblock5 is added...");
Console.WriteLine(block5);
var block6 = (DateTimeBlock)grid[4].Clone();
block6.DateTime = DateTime.UtcNow;
grid.Add(block6);
Console.WriteLine("\nblock6 is added...");
Console.WriteLine(block6);
// ********* Prototype Pattern Usage: END
// -------------------------------------------------------------------------
Console.WriteLine("\n-------------------------------\n");
// ********* Protection-Proxy Pattern Usage: START
var settings = new Settings("settings config");
Console.WriteLine(settings.GetConfig());
var authService = new AuthService();
var protectedSettings = new ProtectedSettings(authService);
Console.WriteLine(protectedSettings.GetConfig());
// ********* Protection-Proxy Pattern Usage: END
// ********* Iterator Pattern Usage: START
var numbers = new CustomLinkedList <int>(1);
for (int i = 2; i < 8; i++)
{
numbers.Add(i);
}
var iterator = numbers.Iterator;
while (!iterator.Complete)
{
Console.WriteLine(iterator.Next());
}
// Exception will be thrown
// Console.WriteLine(iterator.Next());
// ********* Iterator Pattern Usage: END
}
// The program code works with complex subsystems through a simple
// interface provided by the Facade. When a facade manages the lifecycle
// of the subsystem, the client might not even know about the existence
// of the subsystem. This approach lets you keep the complexity under
// control.
public static void ProgramCode(Facade facade)
{
Console.Write(facade.Operation());
}
