DAOBasicOperations.java

import ...HibernateSessionFactoryUtil;
import org.hibernate.Session;
import org.hibernate.Transaction;

/**
 *
 * Базовые операции для DAO (CRUD без R)
 * Необходимо настроить HibernateSessionFactoryUtil который может возвращать SessionFactory
 *
 * @author Arthur Kupriyanov
 */
public class DAOBasicOperations<T> {
    public void save(T obj) {
        Session session = HibernateSessionFactoryUtil.getSessionFactory().openSession();
        Transaction tx1 = session.beginTransaction();
        session.save(obj);
        tx1.commit();
        session.close();
    }

    public void update(T obj) {
        Session session = HibernateSessionFactoryUtil.getSessionFactory().openSession();
        Transaction tx1 = session.beginTransaction();
        session.update(obj);
        tx1.commit();
        session.close();
    }

    public void delete(T obj) {
        Session session = HibernateSessionFactoryUtil.getSessionFactory().openSession();
        Transaction tx1 = session.beginTransaction();
        session.delete(obj);
        tx1.commit();
        session.close();
    }
}