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public static FindAcctByNumber ( string number ) : |
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| number | string | |
| return | ||
public Transfer MakeTransfer(String counterAccount, Money amount)
{
// 1. Check withdrawal limit:
if (amount.GreaterThan(this.transferLimit))
{
throw new BusinessException("Limit exceeded!");
}
// 2. Assuming result is 9-digit bank account number, validate 11-test:
int sum = 0;
for (int i = 0; i < counterAccount.Length; i++)
{
sum = sum + (9 - i) * (int)Char.GetNumericValue(
counterAccount[i]);
}
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. Assuming result is 9-digit bank account number, validate 11-test:
if (String.IsNullOrEmpty(counterAccount) || counterAccount.Length != 9)
{
throw new BusinessException("Invalid account number!");
}
int sum = 0;
for (int i = 0; i < counterAccount.Length; i++)
{
sum = sum + (9 - i) * (int)Char.GetNumericValue(counterAccount[i]);
}
if (sum % 11 == 0)
{
// 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!");
}
}
else
{
throw new BusinessException("Invalid account number!!");
}
}
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!");
}
}