12# Facade패턴 Structural Patterns

static void Main(string[] args) {     //BuilderExample();     //FactoryExample();     //FactoryMethodExample();     //FactoryMethodExample2();     //ProtoTypeExample();     //SingletonExample();     //AdapterExample();     //BridgeExample();     //CompositeExample();     //DecoratorExample();       FacadeExample();       //Console.WriteLine("Hello World!");     Console.ReadKey(); }   static void FacadeExample() {     Mortgage mortgage = new Mortgage();       Customer customer = new Customer("Ann Mckinsey");     bool eligible = mortgage.IsEligible(customer, 125000);       Console.WriteLine("\n" + customer.Name + " has been " + (eligible ? "Approved" : "Rejected")); }   main.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Structural_Patterns.Facade {     public class Customer     {         private string name;           public string Name         {             get => name;             private set => name = value;         }           public Customer(string name)         {             Name = name;         }     } }   Customer.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Structural_Patterns.Facade.Subsystem {     public class Bank     {         public bool HasSufficientSavings(Customer c, int amount)         {             Console.WriteLine("Check bank for " + c.Name);             return true;         }     } }   Bank.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Structural_Patterns.Facade.Subsystem {     public class Credit     {         public bool HasGoodCredit(Customer c)         {             Console.WriteLine("Check credit for " + c.Name);             return true;         }     } }   Credit.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Structural_Patterns.Facade.Subsystem {     public class Loan     {         public bool HasNoBadLoans(Customer c)         {             Console.WriteLine("Check loans for " + c.Name);             return true;         }     } }   Loan.cs

 

using System; using System.Collections.Generic; using System.Text; using DesignPatterns.Structural_Patterns.Facade.Subsystem;   namespace DesignPatterns.Structural_Patterns.Facade {     public class Mortgage     {         private Bank bank = new Bank();         private Loan loan = new Loan();         private Credit credit = new Credit();           public bool IsEligible(Customer cust, Int32 amount)         {             Console.WriteLine("{0} applies for {1:C} loan\n", cust.Name, amount);             bool eligible = true;               if (bank.HasSufficientSavings(cust, amount) != true)             {                 eligible = false;             }             else if(loan.HasNoBadLoans(cust) != true)             {                 eligible = false;             }             else if(credit.HasGoodCredit(cust) != true)             {                 eligible = false;             }               return eligible;         }       } }   Mortgage.cs

 

참고 사이트

https://www.dofactory.com/net/facade-design-pattern