private static void DoTest01()
{
var apple = new Product("Apple", Color.Green, Size.Small);
var tree = new Product("Tree", Color.Green, Size.Large);
var house = new Product("House", Color.Blue, Size.Large);
Product[] products = { apple, tree, house };
var bf = new BetterFilter();
Console.WriteLine("Green products:");
ColorSpecification cs = new ColorSpecification(Color.Green);
foreach (var p in bf.Filter(products, cs))
{
Console.WriteLine($" - {p.Name} is green");
}
Console.WriteLine("----- And Specification ----------");
SizeSpecification ss = new SizeSpecification(Size.Large);
AndSpecification <Product> andSpecification = new AndSpecification <Product>(cs, ss);
foreach (var p in bf.Filter(products, andSpecification))
{
Console.WriteLine($" - {p.Name} is green and large");
}
}
public static void Main(string[] args)
{
Product house = new Product("Tree", Color.Green, Size.Large);
Product tree = new Product("Tree", Color.Green, Size.Medium);
Product mouse = new Product("Mouse", Color.Yellow, Size.Small);
Product ball = new Product("ball", Color.Yellow, Size.Large);
List <Product> products = new List <Product>
{
house,
tree,
mouse,
ball
};
var specYellow = new ColorSpecification(Color.Yellow);
var specLarge = new SizeSpecification(Size.Small);
var specMultiple = new AndSpecification <Product>(new ColorSpecification(Color.Yellow), specLarge);
ProductFilter productFilter = new ProductFilter();
foreach (Product yellowItem in productFilter.Filter(products, specMultiple))
{
Console.WriteLine(yellowItem.Name);
}
}