super();
Session sess = HibernateUtil.getSessionFactory().getCurrentSession();
sess.beginTransaction();
Vector<Object[]> customers = new Vector<Object[]>();
for (Object cus : sess.createQuery("from Customer" + hql).list()) {
Customer c = (Customer) cus;
customers.add(new Object[] {
c.getId(),
c.getUser().getUsername(),
c.getUser().getFirstName(),
c.getUser().getLastName()
});
}
sess.getTransaction().commit();
data = new Object[customers.size()][getColumnCount()];
for (int i = 0; i < customers.size(); i++) {