static void ShowStrategyPattern(State eParam, string sParam)
{
StrategyContext stateContext = new StrategyContext();
StrategyBase strategyBase = null;
switch (eParam)
{
case State.State1:
strategyBase = new StrategyOne();
break;
case State.State2:
strategyBase = new StrategyTwo();
break;
case State.State3:
strategyBase = new StrategyThree();
break;
default:
throw new Exception("int参数只能是1，2，3");
}
strategyBase.Invoke(eParam, sParam);//可以这么做，但这样就不能额外做一些其他的操作了
stateContext.Invoke(eParam, sParam, strategyBase);
}
public async Task CanCallRouterWithDifferentRouterStrategies()
{
using (var fixture = new RoutingFixture())
{
var serviceName1 = fixture.GetNewServiceName();
var route1 = "/data";
var strategyOne = new StrategyOne();
var strategyTwo = new StrategyTwo();
fixture.AddService(serviceName1, route1);
fixture.AddRouter(strategyOne, strategyTwo);
fixture.StartAll();
await fixture.WaitForRegistrationAsync();
var routerResponse = await fixture.CallRouterAsync("/admin/condenser/router/replace?strategy=One");
Assert.Equal(HttpStatusCode.OK, routerResponse.StatusCode);
var responseService = await fixture.CallRouterAsync(route1);
Assert.Equal(HttpStatusCode.OK, responseService.StatusCode);
Assert.True(strategyOne.Called, "strategy one was not called");
routerResponse = await fixture.CallRouterAsync("/admin/condenser/router/replace?strategy=Two");
Assert.Equal(HttpStatusCode.OK, routerResponse.StatusCode);
responseService = await fixture.CallRouterAsync(route1);
Assert.Equal(HttpStatusCode.OK, responseService.StatusCode);
Assert.True(strategyTwo.Called, "strategy two was not called");
}
}
private static void Main()
{
// Facade.
{
Console.WriteLine("---- Testing Facade pattern ----");
var swimmingPoodSystemsFacade = new SwimmingpoolFacade();
swimmingPoodSystemsFacade.GoToASwimmingPool();
Console.WriteLine("---- Testing Facade pattern finished ----");
Console.WriteLine(".. press any key to continue testing ..");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Mediator
{
Console.WriteLine("---- Testing Mediator pattern ----");
var brain = new BrainMediator();
var ear = new Ear(brain);
var face = new Face(brain);
brain.Ear = ear;
brain.Face = face;
ear.HearSounds();
Console.WriteLine("---- Testing Mediator pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Singleton
{
Console.WriteLine("---- Testing Singleton pattern ----");
var loggerSingleton = LoggerSingleton.GetInstance();
loggerSingleton.TestId = 7;
var loggerSingleton2 = LoggerSingleton.GetInstance();
Console.WriteLine(loggerSingleton2.ToString());
Console.WriteLine("---- Testing Singleton pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Builder
{
Console.WriteLine("---- Testing Builder pattern ----");
var gamingBuilder = new GamingLaptopBuilder();
var travelingBuilder = new TravelingLaptopBuilder();
var director = new BuilderDirector(travelingBuilder);
var laptop = director.ConstructLaptop();
Console.WriteLine(laptop.ToString());
director.ChangeBuilderTo(gamingBuilder);
var laptop2 = director.ConstructLaptop();
Console.WriteLine(laptop2.ToString());
Console.WriteLine("---- Testing Builder pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Factory Method
{
Console.WriteLine("---- Testing Factory Method pattern ----");
Console.WriteLine(ConcreteFactory.CreateProduct(ProductType.Type2));
Console.WriteLine("---- Testing Factory Method pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Abstract Factory
{
Console.WriteLine("---- Testing Abstract Factory pattern ----");
AbstractToysFactory factory = new TeddyToyFactory();
var createdToy = factory.CreateToy();
Console.WriteLine(createdToy.ToString());
Console.WriteLine("---- Testing Abstract Factory pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Prototype
{
Console.WriteLine("---- Testing Prototype pattern ----");
var prototype = ProtorypeDirector.GetFilledPrototype();
prototype.Parameter2 = prototype.Parameter2 + " changed!";
Console.WriteLine(prototype.ToString());
Console.WriteLine("---- Testing Prototype pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Strategy
{
Console.WriteLine("---- Testing Strategy pattern ----");
var strategyOne = new StrategyOne();
var strategyTwo = new StrategyTwo();
StrategyClient.DoJobUsingSomeStrategy(strategyOne, "data parameter");
StrategyClient.DoJobUsingSomeStrategy(strategyTwo, "data parameter");
Console.WriteLine("---- Testing Strategy pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Template Method
{
Console.WriteLine("---- Testing Template Method pattern ----");
var templateMethodImplementationClassObject = new ConcreteClassWithTemplateMethodUsing();
templateMethodImplementationClassObject.DoSomeTemplateMethodJob();
Console.WriteLine("---- Testing Template Method pattern finished ----");
Console.ReadKey();
}
Console.WriteLine("--------------------------------------------------");
// Iterator
{
Console.WriteLine("---- Testing Iterator pattern ----");
var iterator = new EnumerableDataSource(new[] { "one", "two" });
foreach (var item in iterator)
{
Console.WriteLine(item);
}
Console.WriteLine("---- Testing Iterator pattern finished ----");
Console.ReadKey();
}
}