public Transfer MakeTransfer(string counterAccount, Money amount) {
// 1. Check withdrawal limit:
if (amount.GreaterThan(this.transferLimit)) {
throw new BusinessException("Limit exceeded!");
}
if (Accounts.IsValid(counterAccount)) { // <1>
// 2. Look up counter account and make transfer object:
CheckingAccount acct = Accounts.FindAcctByNumber(counterAccount);
Transfer result = new Transfer(this, acct, amount); // <2>
return result;
} else {
throw new BusinessException("Invalid account number!");
}
}
public Transfer MakeTransfer(string counterAccount, Money amount) {
// 1. Assuming result is 9-digit bank account number, validate with 11-test:
if (Accounts.IsValid(counterAccount)) { // <1>
// 2. Look up counter account and make transfer object:
CheckingAccount acct = Accounts.FindAcctByNumber(counterAccount);
Transfer result = new Transfer(this, acct, amount); // <2>
if (result.CounterAccount.Equals(this.RegisteredCounterAccount)) {
return result;
} else {
throw new BusinessException("Counter-account not registered!");
}
} else {
throw new BusinessException("Invalid account number!!");
}
}