private static void Main()
{
// Customers
var req1 = new LoanRequest {
Customer = "John Tanta", Amount = 800
};
var req2 = new LoanRequest {
Customer = "Big Dad", Amount = 1800
};
var req3 = new LoanRequest {
Customer = "Cally Minou", Amount = 11800
};
// Approvers
var supermanager = new SuperManager {
Name = "Grag, super manager"
};
var manager = new Manager {
Name = "Stiv, manager", Successor = supermanager
};
var cashier = new Cashier {
Name = "Job, cashier", Successor = manager
};
// handle requests
cashier.HandleRequest(req1);
cashier.HandleRequest(req2);
cashier.HandleRequest(req3);
Console.ReadLine();
}
public void HandleRequest(LoanRequest req)
{
if (req.Amount < 10000)
{
Console.WriteLine("{0}$ loan approved for {1} by {2}", req.Amount, req.Customer, Name);
}
else
{
this.TrySuccessor(req);
}
}
public static void TrySuccessor(this IRequestHandler handler, LoanRequest req)
{
if (handler.Successor != null)
{
Console.WriteLine("{0} can't approve. Pass request to {1}", handler.Name, handler.Successor.Name);
handler.Successor.HandleRequest(req);
}
else
{
Console.WriteLine("Handler has no approval. You need some big boss");
}
}