public override void Call()
{
switch (action)
{
case Action.Deposit:
account.Deposit(amount);
succeeded = true;
break;
case Action.Withdraw:
succeeded = account.Withdraw(amount);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
static void Main(string[] args)
{
BankAccount ba = new BankAccount();
var commands = new List <BankAcoountCommand>
{
new BankAcoountCommand(ba, BankAcoountCommand.Action.Deposit, 100),
new BankAcoountCommand(ba, BankAcoountCommand.Action.Withdraw, 1500),
};
WriteLine(ba);
foreach (var c in commands)
{
c.Call();
}
WriteLine(ba);
foreach (var c in Enumerable.Reverse(commands))
{
c.Undo();
}
WriteLine(ba);
var ba2 = new BankAccount2();
var cmdDeposit = new BankAccountCommand(ba2,
BankAccountCommand.Action.Deposit, 100);
var cmdWithdraw = new BankAccountCommand(ba2,
BankAccountCommand.Action.Withdraw, 1000);
cmdDeposit.Call();
cmdWithdraw.Call();
WriteLine(ba);
cmdWithdraw.Undo();
cmdDeposit.Undo();
WriteLine(ba);
var from = new BankAccount2();
from.Deposit(100);
var to = new BankAccount2();
var mtc = new MoneyTransferCommand(from, to, 1000);
mtc.Call();
// Deposited $100, balance is now 100
// balance: 100
// balance: 0
WriteLine(from);
WriteLine(to);
}