/// <summary>
/// Entry point into console application.
/// </summary>
public static void Main()
{
// Arbitrary extrinsic state
int extrinsicstate = 22;
FlyweightFactory factory = new FlyweightFactory();
// Work with different flyweight instances
Flyweight fx = factory.GetFlyweight("X");
fx.Operation(--extrinsicstate);
Flyweight fy = factory.GetFlyweight("Y");
fy.Operation(--extrinsicstate);
Flyweight fz = factory.GetFlyweight("Z");
fz.Operation(--extrinsicstate);
UnsharedConcreteFlyweight fu = new
UnsharedConcreteFlyweight();
fu.Operation(--extrinsicstate);
// Wait for user
Console.ReadKey();
}
/// <summary>
/// Entry point into console application.
/// </summary>
private static void Main()
{
// Arbitrary extrinsic state
int extrinsicstate = 22;
FlyweightFactory factory = new FlyweightFactory();
// Work with different flyweight instances
Flyweight fx = factory.GetFlyweight("X");
fx.Operation(--extrinsicstate);
Flyweight fy = factory.GetFlyweight("Y");
fy.Operation(--extrinsicstate);
Flyweight fz = factory.GetFlyweight("Z");
fz.Operation(--extrinsicstate);
UnsharedConcreteFlyweight fu = new
UnsharedConcreteFlyweight();
fu.Operation(--extrinsicstate);
// Wait for user
Console.ReadKey();
}
public void Test()
{
var factory = new FlyweightFactory();
factory["A"].Operation();
factory["B"].Operation();
factory["C"].Operation();
}
public static void addCarToPoliceDatabase(FlyweightFactory factory, Car car)
{
Console.WriteLine("\nClient: Adding a car to database.");
var flyweight = factory.GetFlyweight(new Car
{
Color = car.Color,
Model = car.Model,
Company = car.Company
});
// The client code either stores or calculates extrinsic state and
// passes it to the flyweight's methods.
flyweight.Operation(car);
}
static void Main(string[] args)
{
// The client code usually creates a bunch of pre-populated
// flyweights in the initialization stage of the application.
var factory = new FlyweightFactory(
new Car {
Company = "Chevrolet", Model = "Camaro2018", Color = "pink"
},
new Car {
Company = "Mercedes Benz", Model = "C300", Color = "black"
},
new Car {
Company = "Mercedes Benz", Model = "C500", Color = "red"
},
new Car {
Company = "BMW", Model = "M5", Color = "red"
},
new Car {
Company = "BMW", Model = "X6", Color = "white"
}
);
factory.listFlyweights();
addCarToPoliceDatabase(factory, new Car
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "M5",
Color = "red"
});
addCarToPoliceDatabase(factory, new Car
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "X1",
Color = "red"
});
factory.listFlyweights();
}
public void Test()
{
var flyweightFactory = new FlyweightFactory();
var stopwatch = new Stopwatch();
stopwatch.Start();
var flyweight1 = flyweightFactory.Get(TimeSpan.FromMilliseconds(200));
stopwatch.Stop();
Assert.That(flyweight1, Is.Not.Null);
Assert.That(stopwatch.Elapsed, Is
.GreaterThan(TimeSpan.FromMilliseconds(100))
.And
.LessThan(TimeSpan.FromMilliseconds(300)));
stopwatch.Restart();
var flyweight2 = flyweightFactory.Get(TimeSpan.FromMilliseconds(200));
stopwatch.Stop();
Assert.That(flyweight2, Is.Not.Null);
Assert.That(stopwatch.Elapsed, Is
.LessThan(TimeSpan.FromMilliseconds(1)));
Assert.That(flyweight1, Is.SameAs(flyweight2));
Assert.That(flyweight1.ShareableState, Is.SameAs(flyweight2.ShareableState));
var flyweight3 = flyweightFactory.Get(TimeSpan.Zero);
Assert.That(flyweight3, Is.Not.Null);
Assert.That(flyweight3, Is.Not.SameAs(flyweight1));
var response1 = flyweight1.Method(new Flyweight.ExtrinsicState {Content = "content 1"});
var response2 = flyweight1.Method(new Flyweight.ExtrinsicState {Content = "content 2"});
Assert.That(response1, Is.EqualTo("[00:00:00.2000000] content 1"));
Assert.That(response2, Is.EqualTo("[00:00:00.2000000] content 2"));
}
