public Teacher()
{
Subjects = new List <Subject>();
SchoolClasses = new List <SchoolClass>();
Advertisements = new List <Advertisement>();
FaceImage = new ProxyImage();
}
static void Main(string[] args)
{
ProxyImage proxy = new ProxyImage("/etc/img.png");
proxy.Display();
proxy.Display();
}
public void Main()
{
IImage image = new ProxyImage("test_img_01.jpg");
// 图像将从磁盘加载
image.Display();
// 图像不需要从磁盘加载 缓存了
image.Display();
}
public void Start()
{
var image = new ProxyImage(@"V:\Client\WPF\BuildProj\BuildProj\Resources\Images\AV.png");
// Image will be loaded from disk.
image.Display();
// Image will not be loaded from disk.
image.Display();
}
public static void InvokeProxy()
{
IImage image = new ProxyImage("imagemTeste.jpg");
image.display();
Console.WriteLine("");
image.display();
Console.ReadLine();
}
public static void Test()
{
var image1 = new ProxyImage("HiRes_10MB_Photo1");
var image2 = new ProxyImage("HiRes_10MB_Photo2");
image1.DisplayImage(); // loading necessary
image1.DisplayImage(); // loading unnecessary
image2.DisplayImage(); // loading necessary
image2.DisplayImage(); // loading unnecessary
image1.DisplayImage(); // loading unnecessary
}
static void Main(string[] args)
{
Image image = new ProxyImage("test_10mb.jpg");
//image will be loaded from disk
image.Display();
Console.WriteLine();
//image will not be loaded from disk
image.Display();
}
public void TestProxy()
{
IImage image1 = new ProxyImage("HiRes_10MB_Photo1");
IImage image2 = new ProxyImage("HiRes_10MB_Photo2");
image1.DisplayImage(); // loading necessary
image1.DisplayImage(); // loading unnecessary
image2.DisplayImage(); // loading necessary
image2.DisplayImage(); // loading unnecessary
image1.DisplayImage(); // loading unnecessary
}
private void btProxyPattern_Click(object sender, EventArgs e)
{
string str = "";
IImage image = new ProxyImage("test_10mb.jpg");
//图像将从磁盘加载
str += image.display() + "\r\n";
//图像将无法从磁盘加载
str += image.display() + "\r\n";
tbOutWindow.Text = str;
}
public void ImageTest()
{
IImageLoader loader = new ProxyImage();
// Loads the image from the file system
Assert.AreEqual(FileType.Test, loader.GetImage(FileType.Test).GetImageType);
// Loads the same image but from the dictionary
Assert.AreEqual(FileType.InMap, loader.GetImage(FileType.Test).GetImageType);
// Loads the image from the file system
Assert.AreEqual(FileType.NotInMap, loader.GetImage(FileType.NotInMap).GetImageType);
}
public void Test_virtual_proxy()
{
IImage image1 = new ProxyImage("Tiger image");
Console.WriteLine("Image is loaded for the first time:");
image1.DisplayImage();// load necessary
Console.WriteLine("Image is loaded for the second time:");
image1.DisplayImage();// load unnecessary
Console.WriteLine("Image is loaded for the thrird time:");
image1.DisplayImage();// load unnecessary
IImage Image2 = new ProxyImage("Lion Image");
Console.WriteLine("Image2 calling DisplayImage first time :");
Image2.DisplayImage(); // loading necessary
Console.WriteLine("Image2 calling DisplayImage second time :");
Image2.DisplayImage(); // loading unnecessary
}
static void Main(string[] args)
{
string srcImagePath = @"http://dev.mygemplace.com/Content/_Traders/2/jwProducts/8_Ring2_1qK1b.jpg";
string photoName = Path.GetFileNameWithoutExtension(srcImagePath);
MemoryStream memory = new MemoryStream();
HttpWebRequest lxRequest = (HttpWebRequest)WebRequest.Create(srcImagePath);
using (HttpWebResponse lxResponse = (HttpWebResponse)lxRequest.GetResponse())
{
using (BinaryReader reader = new BinaryReader(lxResponse.GetResponseStream()))
{
reader.BaseStream.CopyTo(memory);
//Byte[] lnByte = reader.ReadBytes(1 * 1024 * 1024 * 10);
//using (FileStream lxFS = new FileStream("34891.jpg", FileMode.Create))
//{
// lxFS.Write(lnByte, 0, lnByte.Length);
//}
}
}
Bitmap photo;
try
{
photo = new Bitmap(memory);
}
catch (ArgumentException e)
{
throw new FileNotFoundException(string.Format(" GDIThumbnail generator file[{0}] not found.", srcImagePath), e);
}
// Factory Method
Console.WriteLine();
Console.WriteLine("[Abstract Factory] Pattern");
IWidgetFactory abstractFactory = new PMWidgetFactory();
IWidgetButton abstractButton = abstractFactory.CreateWidgetButton();
IWidgetDialog abstractDialog = abstractFactory.CreateWidgetDialog();
abstractButton.DrawButton();
abstractDialog.DrawWidget();
abstractButton.SetLocation();
abstractDialog.SetTopMost();
//-------------------
// FactoryMethod/Virtual Constructor
Console.WriteLine();
Console.WriteLine("[FactoryMethod/Virtual Constructor] Pattern");
Creator creator = new ConcreteCreator();
IAMethodDocument amDocument = creator.CreateDocument();
amDocument.Open();
//----------------------------------
// Builder
Console.WriteLine("[Builder] Pattern");
Console.WriteLine();
Shop shop = new Shop();
IVehicleBuilder builder = new CarBuilder();
shop.Construct(builder);
shop.ShowVehicle();
builder = new VeloByke();
shop.Construct(builder);
shop.ShowVehicle();
//----------------------
// Facade
// Provides more simple unified interface instead of few interfaces some subsystem.
// Subsystem interfaces don't keep references to facade interface.
Console.WriteLine();
Console.WriteLine("[Facade] Pattern");
Facade facade = new Facade();
facade.MethodA();
facade.MethodB();
//-------
// Flyweight
// Build a document with text
Console.WriteLine();
Console.WriteLine("[Flyweight] Pattern");
string document = "AAZZBBZB";
char[] chars = document.ToCharArray();
CharacterFactory factory = new CharacterFactory();
// extrinsic state
int pointSize = 10;
//For each character use a flyweight object
foreach (char c in chars)
{
pointSize++;
Character character = factory.GetCharacter(c);
character.Display(pointSize);
}
//-----------
// Proxy
Console.WriteLine();
Console.WriteLine("[Proxy] pattern");
IImage proxy = new ProxyImage();
proxy.GetSize();
proxy.Draw();
//--------
//Chain Responsibilities
Console.WriteLine();
Console.WriteLine("[Chain of Responsibilities] pattern");
DialogChain dc1 = new DialogChain(null);
ButtonChain bc1 = new ButtonChain(dc1);
DialogChain dc2 = new DialogChain(bc1);
ButtonChain buttonChain2 = new ButtonChain(dc2);
IRequest request1 = new Request1();
((Request1)request1).Value = "QWE_RTYU";
buttonChain2.HandleRequest(request1);
Request2 rq2 = new Request2();
rq2.Value = "123456";
buttonChain2.HandleRequest(rq2);
//----------------------
// Command
Console.WriteLine();
Console.WriteLine("[Command] Pattern");
List <SourceCommand> srcCmd = new List <SourceCommand>();
SourceCommand scr1 = new SourceCommand();
scr1.Command = new OpenCommand(new Receiver1("Star1"));
SourceCommand scr2 = new SourceCommand();
scr2.Command = new PasteCommand(new Receiver2("Paste Star 2"));
srcCmd.Add(scr1);
srcCmd.Add(scr2);
TemplatedCommand <string> templatedCommand = new TemplatedCommand <string>(delegate(string s) { Console.WriteLine("---Delegate command is executed @@@@ {0}", s); });
TemplatedSourceCommand <string> scr3 = new TemplatedSourceCommand <string>(templatedCommand);
scr3.ActionInvoke("1111");
foreach (var sourceCommand in srcCmd)
{
sourceCommand.InvokeCommand();
}
//---------
// Interpreter
string roman = "MCMXXVIII";
Context context = new Context(roman);
// Build the 'parse tree'
List <Expression> tree = new List <Expression>();
tree.Add(new ThousandExpression());
tree.Add(new HundredExpression());
tree.Add(new TenExpression());
tree.Add(new OneExpression());
// Interpret
foreach (Expression exp in tree)
{
exp.Interpret(context);
}
Console.WriteLine("{0} = {1}", roman, context.Output);
// define booleand expression
// (true and x) or (y and x)
Console.WriteLine("----------------------------");
BooleanExp expressing;
BooleanContext boolContext = new BooleanContext();
expressing = new OrExp(new AndExp(new BooleanConstant("true"), new VariableExp("x")),
new AndExp(new VariableExp("y"), new NotExp("x")));
boolContext.Assign("x", false);
boolContext.Assign("y", false);
Console.WriteLine("Result of boolean interpreter is [{0}]", expressing.Evaluate(boolContext));
//-------------
// Iterator
Console.WriteLine();
Console.WriteLine("Pattern Iterator");
ConcreteAggregate aggregate = new ConcreteAggregate();
aggregate[0] = "Object 1";
aggregate[1] = "Object 2";
aggregate[2] = "Object 3";
aggregate[3] = "Object 4";
Iterator iter = aggregate.CreateIterator();
for (object i = iter.First(); !iter.IsDone(); i = iter.Next())
{
Console.WriteLine("Current object [{0}]", i);
}
//--------------
// Mediator
Console.WriteLine();
Console.WriteLine("Pattern Mediator");
// parts could be informed about its mediator.
ConcreteMediator cm = new ConcreteMediator(new Collegue1(), new Collegue2(), new Collegue3());
cm.Process1AndInform23();
cm.Process3AndInform1();
//------------
// Memento
Console.WriteLine();
Console.WriteLine("Pattern Memento");
SalesProspect salesProspect = new SalesProspect();
salesProspect.Budget = 45.56;
salesProspect.Name = "Super Man";
salesProspect.Phone = "45-78-96";
ProspectMemory prospectMemory = new ProspectMemory();
prospectMemory.Memento = salesProspect.SaveMemento();
salesProspect.Budget = 11.11;
salesProspect.Name = "Spider Man";
salesProspect.Phone = "33-44-55";
salesProspect.RestoreMemento(prospectMemory.Memento);
//--------------
// Observer (Dependents, Publish-Subscriber)
Console.WriteLine();
Console.WriteLine("Pattern Observer");
Subject subject = new Subject();
ConcreteObserver1 concreteObserver1 = new ConcreteObserver1();
ConcreteObserver2 concreteObserver2 = new ConcreteObserver2();
subject.Register(concreteObserver1);
subject.Register(concreteObserver2);
subject.Register(concreteObserver1);
subject.NotifyObservers();
subject.UnRegister(concreteObserver2);
subject.UnRegister(concreteObserver2);
subject.NotifyObservers();
//------------------------------------------
// State
Console.WriteLine();
Console.WriteLine("Pattern State");
Account account = new Account("Jim Johnson");
// Apply financial transactions
account.Deposit(500.0);
account.Deposit(300.0);
account.Deposit(550.0);
account.PayInterest();
account.Withdraw(2000.00);
account.Withdraw(1100.00);
account.Deposit(50000);
account.PayInterest();
//------------------------------------------
// Strategy
// Client should knew all available strategies.
Console.WriteLine();
Console.WriteLine("Pattern Strategy");
StrategyContext strategyContext = new StrategyContext(null);
strategyContext.ContextOperationOne();
strategyContext.ContextOperationTwo();
strategyContext.Strategy = new ConcreteStrategy();
strategyContext.ContextOperationOne();
strategyContext.ContextOperationTwo();
//------------------------------------------
// Template Method
Console.WriteLine();
Console.WriteLine("Template Method");
TemplateMethodClass tmc = new ConcreteTemplateMethodClass1();
tmc.TemplateMethod();
//------------------------------------------
// Visitor
Console.WriteLine();
Console.WriteLine("Visitor");
List <INode> elements = new List <INode>();
elements.Add(new NodeType1()
{
Balance = 400, Name = "Qwerty"
});
elements.Add(new NodeType1()
{
Balance = 333, Name = "QasxzWe"
});
elements.Add(new NodeType2()
{
CarName = "Mersedes"
});
NodeVisitor visitor = new ConcreteNodeVisitor();
foreach (var element in elements)
{
element.Accept(visitor);
}
//------------------------------------------
ThreadTest threadTest = new ThreadTest();
//threadTest.RunTask();
threadTest.TestFactory();
// Unit of Work patternt with Repository pattern
Console.WriteLine();
Console.WriteLine("UOW pattern");
StudentController sc = new StudentController();
sc.DoAction();
MoneyPattern.Start();
Console.Read();
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
//#region Factory design pattern
//ConsoleColorMethod("Factory design pattern");
//IFactory factory = CreateFactory.GetObject(ObjectType.Customer);
//Console.WriteLine("Get customer object : " + factory.getName());
//factory = CreateFactory.GetObject(ObjectType.Supplier);
//Console.WriteLine("Get supplier object : " + factory.getName());
//#endregion
//#region Adapter design pattern
//IExport target = new PDF_Class();
//target.Export();
//target = new XLS_Class_ObjectAdapter();
//target.Export();
//target = new XLS_Class_ClassAdapter();
//target.Export();
//#endregion
//#region Builder design pattern
//// Client Code
//ReportDirector reportDirector = new ReportDirector();
//ExcelReport excelReport = new ExcelReport();
//Report report = reportDirector.MakeReport(excelReport);
////report.DisplayReport();
//#endregion
#region Decorator design pattern
IMemoryCache _memoryCache = new MemoryCache(new MemoryCacheOptions());
IWeatherService innerService = new WeatherService();
IWeatherService withCachingDecorator = new WeatherServiceCachingDecorator(innerService, _memoryCache);
IWeatherService withLoggingDecorator = new WeatherServiceLoggingDecorator(withCachingDecorator);
// with no cache - first time
Console.WriteLine(withCachingDecorator.GetCurrentWeather("Bangalore"));
// with cache - second time
Console.WriteLine(withCachingDecorator.GetCurrentWeather("Bangalore"));
// with no cache - first time
Console.WriteLine(withLoggingDecorator.GetCurrentWeather("Bangalore"));
// with cache - second time
Console.WriteLine(withLoggingDecorator.GetCurrentWeather("Bangalore"));
Console.ReadLine();
#endregion
//#region Prototype Design Pattern
//Employee emp1 = new Employee();
//emp1.Name = "Amit Naik";
//emp1.Department = "IT";
//Employee emp2 = emp1.GetClone();
//emp2.Name = "Shwetha";
//Console.WriteLine("Emplpyee 1: ");
//Console.WriteLine("Name: " + emp1.Name + ", Department: " + emp1.Department);
//Console.WriteLine("Emplpyee 2: ");
//Console.WriteLine("Name: " + emp2.Name + ", Department: " + emp2.Department);
//#endregion
//#region Memento Design Pattern
//Employee emp1 = new Employee();
//emp1.Name = "Amit Naik";
//emp1.Department = "IT";
//Employee emp2 = emp1.GetClone();
//emp2.Name = "Shwetha";
//Console.WriteLine("Emplpyee 1: ");
//Console.WriteLine("Name: " + emp1.Name + ", Department: " + emp1.Department);
////Console.WriteLine("Emplpyee 2: ");
////Console.WriteLine("Name: " + emp2.Name + ", Department: " + emp2.Department);
//Employee emp3 = emp1.Revert();
//Console.WriteLine("Reverting ");
//Console.WriteLine("Name: " + emp3.Name + ", Department: " + emp3.Department);
//#endregion
//#region Aggregate root design pattern
//Customer customer = new Customer();
//customer.Add(new Address { Type = 1 });
//customer.Add(new Address { Type = 1 });
//#endregion
//#region Iterator design pattern
//Customer customer = new Customer();
//customer.Add(new Address { Type = 1 });
//customer.Add(new Address { Type = 2 });
//// we can avoid manipulating methods like below in Iterator design pattern
////customer.addresses.Add(new Address { Type = 3 });
//// Implementing via Ienumerable
//foreach (var item in customer.GetAddresses())
//{
// Console.WriteLine($"customer address type : {item.Type}");
//}
//// Implementing via IEnumerator
//foreach (var item in customer)
//{
// Console.WriteLine($"customer address type : {item.Type}");
//}
////var x = customer.GetEnumerator();
//#endregion
#region Generic Repository Design Pattern
ConsoleColorMethod("Generic Repository design pattern");
// Generic
IGenericRepository <Employee> repository = null;
repository = new GenericRepository <Employee>();
try
{
var employee = new Employee()
{
Name = "Amit", Salary = 60000, Gender = "Male", Dept = "IT"
};
repository.Add(employee);
repository.Save();
repository = new GenericRepository <Employee>();
var id = repository.GetById(1);
repository = new GenericRepository <Employee>();
var all = repository.GetAll();
repository = new GenericRepository <Employee>();
var id1 = repository.GetById(1);
if (id1 != null)
{
id1.Name = "Amit Naik";
repository.Update(id1);
repository.Save();
repository = new GenericRepository <Employee>();
repository.Delete(1);
repository.Save();
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error : ID not found");
Console.ForegroundColor = ConsoleColor.White;
}
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error :{ex.Message}");
Console.ForegroundColor = ConsoleColor.White;
}
#endregion
#region Non Generic Repository Design Pattern
ConsoleColorMethod("Non Generic Repository design pattern");
// Generic
EmployeeRepository employeeRepository = null;
employeeRepository = new EmployeeRepository();
try
{
var employee = new Employee()
{
Name = "Shweta", Salary = 600000, Gender = "Female", Dept = "IT"
};
employeeRepository.Add(employee);
employeeRepository.Save();
employeeRepository = new EmployeeRepository();
var id = employeeRepository.GetById(1);
employeeRepository = new EmployeeRepository();
var all = employeeRepository.GetAll();
employeeRepository = new EmployeeRepository();
var id1 = employeeRepository.GetById(2);
if (id1 != null)
{
id1.Name = "Shweta Naik";
employeeRepository.Update(id1);
employeeRepository.Save();
employeeRepository = new EmployeeRepository();
employeeRepository.Delete(1);
employeeRepository.Save();
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error : ID not found");
Console.ForegroundColor = ConsoleColor.White;
}
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error :{ex.Message}");
Console.ForegroundColor = ConsoleColor.White;
}
#endregion
#region UOW design pattern for Generic Repository
ConsoleColorMethod("UOW design pattern for Generic Repository");
UOW_Generic <Employee> uowG = new UOW_Generic <Employee>(new EmployeeDBContext());
try
{
var employee = new Employee()
{
Name = "Shweta", Salary = 600000, Gender = "Female", Dept = "IT UOW generic"
};
uowG.employeeRepository.Add(employee);
uowG.Complete();
}
catch (Exception ex)
{
uowG.Dispose();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error : {ex.Message}");
Console.ForegroundColor = ConsoleColor.White;
}
#endregion
#region UOW design pattern for Non Generic Repository
ConsoleColorMethod("UOW design pattern for Non Generic Repository");
UnitOfWork uow = new UnitOfWork(new EmployeeDBContext());
try
{
var employee = new Employee()
{
Name = "Shweta", Salary = 600000, Gender = "Female", Dept = "IT UOW non generic"
};
uow.employeeRepository.Add(employee);
uow.Complete();
}
catch (Exception ex)
{
uow.Dispose();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error : {ex.Message}");
Console.ForegroundColor = ConsoleColor.White;
}
#endregion
#region Template design pattern
ConsoleColorMethod("Template design pattern");
TemplateHiringProcess hiringProcess = new CSDepartment();
Console.WriteLine("*** Hiring CS students");
hiringProcess.HireFreshers();
Console.WriteLine(Environment.NewLine);
hiringProcess = new EEEDepartment();
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("*** Hiring EEE students");
hiringProcess.HireFreshers();
#endregion
#region Singleton Design Pattern
ConsoleColorMethod("Singleton design pattern");
Singleton s1 = Singleton.getInstance();
Singleton s2 = Singleton.getInstance();
s1.myMethod();
// Test for same instance
//if (s1 == s2)
//{
// Console.WriteLine("Objects are the same instance");
//}
#endregion
#region Replace IF with Polyphormism
ConsoleColorMethod("Replace IF with Polyphormism");
Console.WriteLine("Enter your skill set for job opening (like JavaScript,c#,Net)");
//string knowledge = Console.ReadLine();
string knowledge = "javascript";
Console.WriteLine(SimpleFactoryRIP.Create(knowledge.ToLower()));
#endregion
#region Abstract Factory design pattern
ConsoleColorMethod("Abstract Factory design pattern");
var investmentPrivateFactory = InvestmentFactory.CreateFactory("Private");
string productType = investmentPrivateFactory.GetProduct("ICICI").FD(1000);
Console.WriteLine(productType);
Console.WriteLine(InvestmentFactory.CreateFactory("Public").GetProduct("SBI").MF(50000));
#endregion
#region IOC DI Unity
ConsoleColorMethod("IOC DI Unity");
IUnityContainer container = new UnityContainer();
container.RegisterType <IRechargeHandler, RechargeJIO>("JIO");
container.RegisterType <IRechargeHandler, RechargeVodafone>("Vodafone");
IRechargeHandler recharge = container.Resolve <IRechargeHandler>("JIO");
recharge.DoRecharge();
#endregion
#region Lazy loading
ConsoleColorMethod("Lazy loading");
Console.WriteLine("Enter your skill set for job opening (like JavaScript,c#,Net)");
string knowledgeLazyLoading = "Javascript";
Console.WriteLine(LazyLoadingFactory.Create(knowledgeLazyLoading.ToLower()));
// When we call second time, it doesn't add to temp Dictionary in LazyLoadingFactory class file
Console.WriteLine(LazyLoadingFactory.Create(knowledgeLazyLoading.ToLower()));
#endregion
#region Bridge design pattern
ConsoleColorMethod("Bridge design pattern");
Payment order = new CardPayment();
order.IPaymentSystem = new CitiPaymentSystem();
order.MakePayment();
order.IPaymentSystem = new ICICIPaymentSystem();
order.MakePayment();
order = new NetBankingPayment();
order.IPaymentSystem = new CitiPaymentSystem();
order.MakePayment();
#endregion
#region Composite design pattern
ConsoleColorMethod("Composite design pattern");
IEmployeeCDP John = new EmployeeCDP("John", "IT");
IEmployeeCDP Mike = new EmployeeCDP("Mike", "IT");
IEmployeeCDP Jason = new EmployeeCDP("Jason", "HR");
IEmployeeCDP Eric = new EmployeeCDP("Eric", "HR");
IEmployeeCDP Henry = new EmployeeCDP("Henry", "HR");
IEmployeeCDP James = new ManagerCDP("James", "IT")
{
SubOrdinates = { John, Mike }
};
IEmployeeCDP Philip = new ManagerCDP("Philip", "HR")
{
SubOrdinates = { Jason, Eric, Henry }
};
IEmployeeCDP Bob = new ManagerCDP("Bob", "Head")
{
SubOrdinates = { James, Philip }
};
James.GetDetails(1);
#endregion
#region Facade design pattern
ConsoleColorMethod("Facade design pattern");
AadharFacade aadharFacade = new AadharFacade();
aadharFacade.CreateAadhar();
#endregion
#region Chain of Responsibility design pattern
ConsoleColorMethod("Chain of Responsibility design pattern");
NewVehicle selection = new SelectVehicle();
NewVehicle payment = new MakePayment();
NewVehicle serviceBook = new GenerateServiceBook();
NewVehicle insurance = new Insurance();
NewVehicle delivery = new Delivery();
selection.SetProcess(payment);
payment.SetProcess(serviceBook);
serviceBook.SetProcess(insurance);
insurance.SetProcess(delivery);
selection.Proceed("Bajaj Pulsar");
#endregion
#region Strategy design pattern
ConsoleColorMethod("Strategy design pattern");
HashingContext context;
context = new HashingContext(new MD5Hash());
string strSHA1 = context.HashPassword("Amit Naik");
Console.WriteLine("Amit Naik - " + strSHA1);
context = new HashingContext(new SHA384Hash());
string StrSHA384 = context.HashPassword("Shwetha Naik");
Console.WriteLine("Shwetha Naik - " + StrSHA384);
#endregion
#region Strategy design pattern
ConsoleColorMethod("Strategy design pattern");
IImage Image1 = new ProxyImage("Tiger Image");
Console.WriteLine("Image1 calling DisplayImage first time :");
Image1.DisplayImage(); // loading necessary
Console.WriteLine("Image1 calling DisplayImage second time :");
Image1.DisplayImage(); // loading unnecessary
Console.WriteLine("Image1 calling DisplayImage third time :");
Image1.DisplayImage(); // loading unnecessary
Console.WriteLine();
IImage Image2 = new ProxyImage("Lion Image");
Console.WriteLine("Image2 calling DisplayImage first time :");
Image2.DisplayImage(); // loading necessary
Console.WriteLine("Image2 calling DisplayImage second time :");
Image2.DisplayImage(); // loading unnecessary
#endregion
#region Strategy design pattern
ConsoleColorMethod("Strategy design pattern");
//Create a Product with Out Of Stock Status
Subject IPhone = new Subject("IPhone Mobile", 10000, "Out Of Stock");
//User Anurag will be created and user1 object will be registered to the subject
Observer user1 = new Observer("Amit", IPhone);
//User Pranaya will be created and user1 object will be registered to the subject
Observer user2 = new Observer("Shweta", IPhone);
//User Priyanka will be created and user3 object will be registered to the subject
Observer user3 = new Observer("Krishna", IPhone);
Console.WriteLine("IPhone Mobile current state : " + IPhone.getAvailability());
Console.WriteLine();
// Now product is available
IPhone.setAvailability("Available");
#endregion
#region State design pattern
ConsoleColorMethod("State design pattern");
// Initially Vending Machine will be 'noMoneyState'
VendingMachine vendingMachine = new VendingMachine();
Console.WriteLine("Current VendingMachine State : "
+ vendingMachine.vendingMachineState.GetType().Name + "\n");
vendingMachine.DispenseProduct();
vendingMachine.SelectProductAndInsertMoney(50, "Pepsi");
// Money has been inserted so vending Machine internal state
// changed to 'hasMoneyState'
Console.WriteLine("\nCurrent VendingMachine State : "
+ vendingMachine.vendingMachineState.GetType().Name + "\n");
vendingMachine.SelectProductAndInsertMoney(50, "Fanta");
vendingMachine.DispenseProduct();
// Product has been dispensed so vending Machine internal state
// changed to 'NoMoneyState'
Console.WriteLine("\nCurrent VendingMachine State : "
+ vendingMachine.vendingMachineState.GetType().Name);
#endregion
}
static void Main()
{
Image image = new ProxyImage("fileName.png");
image.display();
}
public void WhenProxyImageWillReturnProxyResult()
{
var image = new ProxyImage("Picture.jpg");
Assert.AreEqual("Displaying Picture.jpg", image.Display());
}
