Mengenal ValueObject pada DDD

mengenal_valueobject_ddd_1.cs

using System;

// Value Object : Money
public class Money {
	public double Value {get;set;}
	public string Currency {get;set;}
	public string Text {
		get {
			return String.Format("{0} {1}", this.Currency, this.Value);
		}
	}
}

// Book Entity
public class Book {
	public int BookId {get;set;}
	public string Title {get;set;}
	public string ISBN {get;set;}
	public Money Price {get;set;}
}

// Do something run
public class Program
{
	public static void Main()
	{
		var book = new Book {BookId=1, Title="Laskar Pelangi", ISBN="9788858658055", Price=new Money{Currency="IDR", Value=135000}};
		
		// output = 'The Laskar Pelangi price is IDR 135000'
		Console.WriteLine(String.Format("The {0} price is {1}", book.Title, book.Price.Text));
	}
}