Counter value incremented inside transaction. If transaction fails, class value updated?

@Service
public class PaymentService {

private int counter = 0;

@Transactional
public void processPayment() {
counter++;

paymentRepository.save(payment);

throw new RuntimeException("Failed");
}
}

Question

Counter value incremented inside transaction. If transaction fails, class value updated?

@Service
public class PaymentService {

private int counter = 0;

@Transactional
    public void processPayment() {
        counter++;

paymentRepository.save(payment);

throw new RuntimeException("Failed");
    }
}

Sigiloso · Accepted Answer

Database changes rollback; counter remains changed.

Initial counter = 0
After execution = 1

IBM