public static void Run()
{
var resources = new List <Resource>
{
new Resource {
Type = ResourceType.Gold, Quantity = 2
},
new Resource {
Type = ResourceType.Silver, Quantity = 1
},
new Resource {
Type = ResourceType.Copper, Quantity = 4
},
new Resource {
Type = ResourceType.Gold, Quantity = 5
},
new Resource {
Type = ResourceType.Gold, Quantity = 1
},
new Resource {
Type = ResourceType.Copper, Quantity = 2
},
new Resource {
Type = ResourceType.Silver, Quantity = 7
},
new Resource {
Type = ResourceType.Silver, Quantity = 5
},
new Resource {
Type = ResourceType.Gold, Quantity = 1
},
};
// Create all handlers
var firstHandler = new GoldHandler();
var secondHandler = new SilverHandler();
var thirdHandler = new CopperHandler();
// connect them into chain
firstHandler.AddNext(secondHandler);
secondHandler.AddNext(thirdHandler);
// pass all resources via chain
// GoldHandler -> SilverHandler -> CopperHandler
resources.ForEach(firstHandler.Handle);
var handledGold = firstHandler.GetResult();
var handledSilver = secondHandler.GetResult();
var handledCopper = thirdHandler.GetResult();
Console.WriteLine($"Gold: {handledGold.Quantity} points");
Console.WriteLine($"Silver: {handledSilver.Quantity} points");
Console.WriteLine($"Copper: {handledCopper.Quantity} points");
}