public class BaseDAO {
    private SessionFactory sessionFactory;

    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    public Session getSession() {
        Session session = sessionFactory.openSession();
        return session;
    }
}

    public Integer countBack(int forum_id) {
        Session session = getSession();
        String hql = "select forum.countback from Forum forum where forum.id=?";
        Query query = session.createQuery(hql);
        query.setParameter(0, forum_id);
        List coutbacklist = query.list();
        session.close();
        int coutback = (Integer) coutbacklist.get(0);
        return coutback;
    }

    public boolean delete(int reforum_id, int forum_id) {
        try {
            String hql = "delete from Reforum reforum where reforum.id="+reforum_id;
            Session session = getSession();
            Transaction tx = session.beginTransaction();
            Query querydeleteReforum = session.createQuery(hql);
            int b=querydeleteReforum.executeUpdate();
            tx.commit();
            session.close();
            ForumDAO fdao = new ForumDAO();
            int countback = fdao.countBack(forum_id);
            fdao.removeCountBack(countback, forum_id);
            if (b != 0) {
                return true;
            } else {
                return false;
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    public void deleteReforum(int reforum_id, int forum_id) {
        try {
            rfdao.delete(reforum_id, forum_id);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public String deleteReforum() {
        try {
            //Map request = (Map) ActionContext.getContext().get("request");
            forumservice.deleteReforum(Integer.parseInt(request.getParameter("reforum_id")),
                    Integer.parseInt(request.getParameter("forum_id")));
            forum_id = Integer.parseInt(request.getParameter("forum_id"));

        } catch (Exception e) {
            e.printStackTrace();
        }
        return "success";
    }

    public Session getSession() {
        Session session = sessio