public static void Main(string[] args)
{
#region Single responsibility
var j = new Journal();
j.AddEntry("hi");
j.AddEntry("hello world");
Console.WriteLine(j);
//Console.ReadKey();
var p = new Persistance();
string fileName = @"C:\LOG\test.txt";
p.SaveFile(j, fileName, true);
Process.Start(fileName);
#endregion
#region Open-closed principle
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 nf = new NewFilter();
Console.WriteLine("Green products");
var result1 = nf.Filter(products, new ColorSpecification(Color.Green));
foreach (var i in result1)
{
Console.WriteLine($" - {i.Name} is green");
}
Console.WriteLine("Large products");
var result2 = nf.Filter(products, new SizeSpecification(Size.Large));
foreach (var i in result2)
{
Console.WriteLine($" - {i.Name} is large");
}
Console.WriteLine("Blue and Large products");
var result3 = nf.Filter(products,
new AndSpecification <Product>
(new ColorSpecification(Color.Blue),
new SizeSpecification(Size.Large)
)
);
foreach (var i in result3)
{
Console.WriteLine($" - {i.Name} is large and blue");
}
Console.ReadKey();
#endregion
#region liskov principle
Rectangle rec = new Rectangle(4, 3);
var d = new Demo();
Console.WriteLine($"the area of the rectangle {rec} is {d.Area(rec)}");
Rectangle sq = new Square();
sq.Width = 5;
Console.WriteLine($"the area of the square {sq} is {d.Area(sq)}");
Console.ReadKey();
#endregion
#region DI principle
var parent = new Person("John");
var child1 = new Person("Matt");
var child2 = new Person("Test");
Relationships rel = new Relationships();
rel.AddParentAndChild(parent, child1);
rel.AddParentAndChild(parent, child2);
Research rs = new Research(rel);
Console.ReadKey();
#endregion
}