/*
* Permite a criação de novos objetos a partir de um modelo original ou protótipo que é clonado.
*
* Participantes: Prototype - declara uma interface para clonar si próprio;
* Concrete Product - implementa uma operação para clonar si próprio;
* Client - cria um novo objeto solicitando a um protótipo que clone a si próprio
*/
public void Prototype()
{
// cria um objeto protótipo e um clone
Livro p1 = new Livro(1, "Design Patterns", 20.0);
Livro c1 = (Livro)p1.Clone();
Response.Write("Clonado: " + c1.Descricao);
// cria um objeto protótipo e um clone
DVD p2 = new DVD(1, "POO", 30.0);
DVD c2 = (DVD)p2.Clone();
Response.Write("<br>Clonado: " + c2.Descricao);
}
/// <summary>
/// Client
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
#region Abstract Factory
Console.WriteLine("Abstract Factory initialize");
//Step 1
SqlCommand cmd = new SqlCommand();
SqlConection cnn = new SqlConection();
cmd.Execute();
//Apply Abstract Factory pattern
DbFactory db = new OracleFactory();
var con = db.createConnection();
con.Open();
var command = db.createCommand();
command.Execute();
Console.WriteLine("Abstract Factory finalize" + Environment.NewLine);
#endregion
#region Builder
Console.WriteLine("Builder initialize");
//Step 1
var car = new Auto("Car");
car["gear"] = "127c";
car["doors"] = "4";
car["tires"] = "4";
car.Show();
Console.ReadLine();
var bike = new Auto("bike");
bike["gear"] = "50c";
bike["doors"] = "0";
bike["tires"] = "2";
bike.Show();
Console.ReadLine();
//Apply Builder pattern
AutoBuilder builder;
var director = new Director();
builder = new CarBuilder();
director.Construct(builder);
builder.Auto.Show();
builder = new BikeBuilder();
director.Construct(builder);
builder.Auto.Show();
Console.WriteLine("Builder finalize" + Environment.NewLine);
#endregion
#region Factory
Console.WriteLine("Factory Method Initialize");
//Step 1
var login = new AuthGoogle();
login.Authorize();
Console.ReadLine();
//Apply Factory
Creator[] creators = new Creator[2];
creators[0] = new FacebookCreator();
creators[1] = new GoogleCreator();
foreach (Creator c in creators)
{
Auth aut = c.CreateInstance(); //Factory Method
aut.Authorize();
}
Console.ReadLine();
Console.WriteLine("Factory Finalize" + Environment.NewLine);
#endregion
#region Prototype
Console.WriteLine("Prototype initialize");
Book p1 = new Book(1, "Design Patterns - Book", 20.00);
Book c1 = (Book)p1.Clone();
Console.WriteLine(c1.Description);
DVD p2 = new DVD(2, "Design Patterns - DVD", 25.00);
DVD c2 = (DVD)p2.Clone();
Console.WriteLine(c2.Description);
Console.WriteLine("Prototype Finalize" + Environment.NewLine);
Console.ReadKey();
#endregion
#region Singleton
Console.WriteLine("Singleton Initialize");
var con1 = ConnectionBD.Instance();
con1.stringConexao = "SQLServer";
con1.Open();
var con2 = ConnectionBD.Instance();
con2.stringConexao = "Oracle";
con2.Open();
if (con1.Equals(con2))
{
Console.WriteLine("Equals Instances");
}
Console.WriteLine("Singleton Finalize" + Environment.NewLine);
Console.ReadKey();
#endregion
}