AdvancedProgrammingAssignment1/WithdrawalTransaction.java at main · Nihznyweizer/AdvancedProgrammingAssignment1 · GitHub

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public class WithdrawalTransaction extends BaseTransaction {

    private BankAccount accountUsed;
    private boolean reversed = false;
    private double amountNotWithdrawn;

    public WithdrawalTransaction(double amount,
                                 String transactionID) {
        super(amount, transactionID);
    }

    @Override
    public void apply(BankAccount ba) {

        try {

            ba.withdraw(amount);
            accountUsed = ba;

            System.out.println(
                    "Withdrawal of " +
                    amount +
                    " completed.");

        } catch (InsufficientFundsException e) {

            System.out.println(
                    e.getMessage());
        }
    }

    public void apply(BankAccount ba,
                      boolean useAvailableBalance) {

        try {

            double balance =
                    ba.getBalance();

            if (balance <= 0) {

                throw new
                        InsufficientFundsException(
                        "Account balance is zero.");
            }

            if (balance < amount) {

                amountNotWithdrawn =
                        amount - balance;

                ba.withdraw(balance);

                System.out.println(
                        "Partial withdrawal completed.");
            } else {

                ba.withdraw(amount);

                amountNotWithdrawn = 0;
            }

        } catch (InsufficientFundsException e) {

            System.out.println(
                    e.getMessage());

        } finally {

            System.out.println(
                    "Transaction processing finished.");
        }
    }

    public boolean reverse() {

        if (accountUsed != null &&
                !reversed) {

            accountUsed.deposit(amount);

            reversed = true;

            return true;
        }

        return false;
    }

    public double getAmountNotWithdrawn() {
        return amountNotWithdrawn;
    }
}