public static void Run()
{
var parent = new Person {
Name = "Adam"
};
var child1 = new Person {
Name = "Abel"
};
var child2 = new Person {
Name = "Cain"
};
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
// consumer has no direct access to the data in relationships
// but is aware that this data is accessible via interface
var children = relationships.FindAllChildrenOf("Adam");
foreach (var child in children)
{
Console.WriteLine($"Adam has a child named {child.Name}");
}
}
static void Main(string[] args)
{
/*
* var j = new Journal();
* j.AddEntry("I cried today.");
* j.AddEntry("I ate a bug.");
* WriteLine(j);
*
* var p = new Persistence();
* var filename = @"c:\temp\journal.txt";
* p.SaveToFile(j, filename, true);
* Process.Start(@"cmd.exe ", @"/c " + filename);
*/
#region Builder
//DesignPattern.HtmlBuilder b = new DesignPattern.HtmlBuilder("html");
//var e = b.AddChild("ul", "");
//b.AddChild("li", "hola", e);
//b.AddChild("li", "mundo", e);
//WriteLine(b.ToString());
#endregion Builder
#region Dependency Inversion Principle
var parent = new Person {
Name = "Marco"
};
var child1 = new Person {
Name = "Juan"
};
var child2 = new Person {
Name = "Antonella"
};
var child3 = new Person {
Name = "Bathroom"
};
var relationship = new Relationships();
relationship.AddParentAndChild(parent, child1);
relationship.AddParentAndChild(parent, child2);
relationship.AddParentAndChild(parent, child3);
var research = new Research(relationship);
#endregion Dependency Inversion Principle
ReadKey();
}
public static void Main(string[] args)
{
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Mary"
};
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
}
public static void Run()
{
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Mary"
};
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
new Research(relationships);
}
static void RunDependecyInversionPrinciple()
{
SOLIDDesignPrinciple.Person parent = new SOLIDDesignPrinciple.Person {
Name = "John"
};
SOLIDDesignPrinciple.Person child1 = new SOLIDDesignPrinciple.Person {
Name = "Chris"
};
SOLIDDesignPrinciple.Person child2 = new SOLIDDesignPrinciple.Person {
Name = "Mary"
};
Relationships relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
new Research(relationships);
}
private static void DependencyInversion()
{
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Mary"
};
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
var research = new Research(relationships);
}
static void Main(string[] args)
{
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Matt"
};
// low-level module
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
new Research(relationships);
}
private void DependencyInversion()
{
//we're just doing kind of setup by adding relationships, but after that we want to perform the research
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Mary"
};
var relationships = new Relationships(); //so we want to take this low level module and we want to access it in a high level module(i.e. Research)
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
new Research(relationships);
new Research(browser: relationships);
}
static void SOLIDInterfaceSegregation()
{
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Matt"
};
// low-level module
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
new Research(relationships);
Console.ReadLine();
}
static void Main(string[] args)
{
var parent = new Person()
{
Name = "Cristian"
};
var child1 = new Person()
{
Name = "Alex"
};
var child2 = new Person()
{
Name = "Oana"
};
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
var rc = new Research(relationships);
}
static void Main(string[] args)
{
// 1 - SINGLE RESPONSIBILITY PRINCIPLE START
//var j = new Journal();
//j.AddEntry("I cried today.");
//j.AddEntry("I ate a bug.");
//WriteLine(j);
//var p = new Persistence();
//var filename = @"c:\temp\journal.txt";
//p.SaveToFile(j, filename);
//Process.Start(filename);
// 1 - SINGLE RESPONSIBILITY PRINCIPLE END
// 2 - OPEN CLOSED PRINCIPLE START
//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 pf = new ProductFilter();
//WriteLine("Green products (old):");
//foreach (var p in pf.FilterByColor(products, Color.Green))
// WriteLine($" - {p.Name} is green");
//// ^^ BEFORE
//// vv AFTER
//var bf = new BetterProductFilter();
//WriteLine("Green products (new):");
//foreach (var p in bf.Filter(products, new ColorSpecification(Color.Green)))
// WriteLine($" - {p.Name} is green");
//WriteLine("Large products");
//foreach (var p in bf.Filter(products, new SizeSpecification(Size.Large)))
// WriteLine($" - {p.Name} is large");
//WriteLine("Large blue items");
//foreach (var p in bf.Filter(products,
// new AndSpecification<Product>(new ColorSpecification(Color.Blue), new SizeSpecification(Size.Large)))
//)
//{
// WriteLine($" - {p.Name} is big and blue");
//}
// 2 - OPEN CLOSED PRINCIPLE END
// 3 - LISKOV SUBSTITUTION PRINCIPLE START
//Rectangle rc = new Rectangle(2, 3);
//WriteLine($"{rc} has area {Area(rc)}");
//// should be able to substitute a base type for a subtype
///*Square*/
//Rectangle sq = new Square();
//sq.Width = 4;
//WriteLine($"{sq} has area {Area(sq)}");
// 3 - LISKOV SUBSTITUTION PRINCIPLE END
// 4 - INTERFACE SEGREGATION PRINCIPLE START
// Look inside the folder for example
// 4 - INTERFACE SEGREGATION PRINCIPLE END
// 5 - DEPENDENCY INVERSION PRINCIPLE START
// hl modules should not depend on low-level; both should depend on abstractions
// abstractions should not depend on details; details should depend on abstractions
var parent = new Person {
Name = "John"
};
var child1 = new Person {
Name = "Chris"
};
var child2 = new Person {
Name = "Matt"
};
// low-level module
var relationships = new Relationships();
relationships.AddParentAndChild(parent, child1);
relationships.AddParentAndChild(parent, child2);
new Research(relationships);
// 5 - DEPENDENCY INVERSION PRINCIPLE END
ReadLine();
}
public static void Main(string[] args)
{
#region Single responsibility
var j = new Journal();
j.AddEntry("hi");
j.AddEntry("hello world");
Console.WriteLine(j);
//Console.ReadKey();
var p = new Persistance();
string fileName = @"C:\LOG\test.txt";
p.SaveFile(j, fileName, true);
Process.Start(fileName);
#endregion
#region Open-closed principle
var apple = new Product("Apple", Color.Green, Size.Small);
var tree = new Product("Tree", Color.Green, Size.Large);
var house = new Product("House", Color.Blue, Size.Large);
Product[] products = { apple, tree, house };
var nf = new NewFilter();
Console.WriteLine("Green products");
var result1 = nf.Filter(products, new ColorSpecification(Color.Green));
foreach (var i in result1)
{
Console.WriteLine($" - {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
}
