private Transfer TransferMoney(string counterAccount, Money amount)
{
// 2. Look up counter account and make transfer object:
CheckingAccount acct = Accounts.FindAcctByNumber(counterAccount);
Transfer result = new Transfer(this, acct, amount); // <2>
// 3. Check whether withdrawal is to registered counter account:
if (result.CounterAccount.Equals(this.RegisteredCounterAccount))
{
return(result);
}
else
{
throw new BusinessException("Counter-account not registered!");
}
}
private Transfer MakeTransferWithAmountWithinLimit(string counterAccount, Money amount)
{
int sum = Accounts.CalculateSum(counterAccount);
if (sum % 11 == 0)
{
// 3. Look up counter account and make transfer object:
CheckingAccount acct = Accounts.FindAcctByNumber(counterAccount);
Transfer result = new Transfer(this, acct, amount);
return(result);
}
else
{
throw new BusinessException("Invalid account number!");
}
}
public Transfer MakeTransfer(String counterAccount, Money amount)
{
// 1. Check withdrawal limit:
AssertAmount(amount);
AssertCounterAccount(counterAccount);
// 2. Assuming result is 9-digit bank account number, validate 11-test:
int sum = Do11Test(counterAccount);
if (sum % 11 == 0)
{
// 3. Look up counter account and make transfer object:
CheckingAccount acct = Accounts.FindAcctByNumber(counterAccount);
Transfer result = new Transfer(this, acct, amount);
return(result);
}
else
{
throw new BusinessException("Invalid account number!");
}
}
public static Transfer GenerateTransferObject(Accounts from, string counterAccount, Money amount)
{
CheckingAccount acct = FindAcctByNumber(counterAccount);
return(new Transfer(from, acct, amount));
}
public Transfer(CheckingAccount acct1, CheckingAccount acct2, Money m)
{
}
public Transfer(SavingsAccount acct1, CheckingAccount acct2, Money m)
{
}