static void Main(string[] args)
{
// composite
var ba = new BankAccount();
var cmdDeposit = new BankAccountCommand(ba, BankAccountCommand.Action.Deposit, 100);
var cmdWithdraw = new BankAccountCommand(ba, BankAccountCommand.Action.Withdraw, 1000);
var composite = new CompositeBankAccountCommand(new[] { cmdDeposit, cmdWithdraw });
composite.Call();
Console.WriteLine(ba);
composite.Undo();
Console.WriteLine(ba);
// money transfer
var from = new BankAccount();
from.Deposit(100);
var to = new BankAccount();
var mtc = new MoneyTransferCommand(from, to, 1000);
mtc.Call();
Console.WriteLine(from);
Console.WriteLine(to);
mtc.Undo();
Console.WriteLine(from);
Console.WriteLine(to);
}
public override void Call()
{
BankAccountCommand last = null;
foreach (var cmd in this)
{
if (last == null || last.Success)
{
cmd.Call();
last = cmd;
}
else
{
cmd.Undo();
break;
}
}
}