@Override
public boolean addCustomer(Customer customer) {
if (null == customer) {
throw new IllegalArgumentException("customer is null");
}
if (customer.getId() == null) customer.setId(customerDao.getNextSequenceNumber());
return customerDao.insert(customer);
}
@Override
public Customer findCustomer(Integer customerId) {
if (null == customerId) {
throw new IllegalArgumentException("customerId is null");
}
return customerDao.query(customerId);
}
@Override
public boolean removeCustomer(Integer customerId) {
if (null == customerId) {
throw new IllegalArgumentException("customer is null");
}
Customer customer = new Customer();
customer.setId(customerId);
int rowAffected = customerDao.delete(customer);
return rowAffected > 0;
}
@Override
public Integer getNextSequenceNumber() {
return customerDao.getNextSequenceNumber();
}
@Override
public List<Customer> findAllCustomers() {
return customerDao.queryALl();
}
@Override
public boolean updateCustomer(Integer customerId, Customer customer) {
customer.setId(customerId);
int rowAffected = customerDao.update(customer);
return rowAffected > 0;
}