@Entity
@Table(name = "employee")
public class Employee {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
@Column(name = "birth_date")
private Date birthDate;
// getters and setters
}
public class HibernateUtil {
private static final SessionFactory sessionFactory = buildSessionFactory();
private static SessionFactory buildSessionFactory() {
try {
Configuration configuration = new Configuration();
configuration.configure("hibernate.cfg.xml");
StandardServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
.applySettings(configuration.getProperties()).build();
return configuration.buildSessionFactory(serviceRegistry);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Error initializing Hibernate Util.", e);
}
}
public static SessionFactory getSessionFactory() {
return sessionFactory;
}
}
public class Main {
public static void main(String[] args) {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction transaction = session.beginTransaction();
Employee employee = new Employee();
employee.setName("John Doe");
employee.setBirthDate(new Date());
session.save(employee);
transaction.commit();
session.close();
}
}
