public override void Call()
{
BankAccountCommand last = null;
foreach (var cmd in this)
{
if (last == null || last.Succeeded)
{
cmd.Call();
last = cmd;
}
else
{
cmd.Undo();
break;
}
}
}
public void Test1()
{
var ba = new BankAccount();
var deposit = new BankAccountCommand(ba,
BankAccountCommand.Action.Deposit, 100);
var withdraw = new BankAccountCommand(ba,
BankAccountCommand.Action.Withdraw, 50);
var composite = new CompositeBankAccountCommand(
new[] { withdraw, deposit });
composite.Call();
Debug.WriteLine(ba);
composite.Undo();
Debug.WriteLine(ba);
}