model.daos.ProfesorDAO.java Source code

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Here is the source code for model.daos.ProfesorDAO.java

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package model.daos;

import controler.NewHibernateUtil;
import java.util.Collection;
import java.util.List;
import model.Profesor;
import org.hibernate.HibernateError;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

/**
 *
 * @author Mariana
 */
public class ProfesorDAO {
    public int create(Profesor p) throws Exception {
        Session session = NewHibernateUtil.getSessionFactory().openSession();
        Transaction tx = session.getTransaction();
        try {
            tx.begin();
            session.persist(p);
            //session.save(a);
            tx.commit();

            session.close();
            return 1;
        } catch (HibernateError he) {
            if (tx != null && tx.isActive())
                tx.rollback();
            System.out.println("Se ha cerrado la transaccion");
            return 0;
        }
    }

    public void update(Profesor p) throws Exception {
        Session session = NewHibernateUtil.getSessionFactory().getCurrentSession();
        Transaction tx = session.getTransaction();

        try {
            tx.begin();
            session.saveOrUpdate(p);
            tx.commit();
            session.close();
        } catch (HibernateError he) {
            if (tx != null && tx.isActive())
                tx.rollback();
            System.out.println("Se ha cerrado la transaccion");
        }
    }

    public void delete(Profesor p) throws Exception {
        Session session = NewHibernateUtil.getSessionFactory().getCurrentSession();
        Transaction tx = session.getTransaction();

        try {
            tx.begin();
            session.delete(p);
            tx.commit();
        } catch (HibernateError he) {
            if (tx != null && tx.isActive())
                tx.rollback();
            System.out.println("Se ha cerrado la transaccion");
        }
    }

    public Profesor load(Profesor p) throws Exception {
        Session session = NewHibernateUtil.getSessionFactory().getCurrentSession();
        Transaction tx = session.getTransaction();

        try {
            tx.begin();
            p = (Profesor) session.get(Profesor.class, p.getRFC());
            tx.commit();

        } catch (HibernateError he) {
            if (tx != null && tx.isActive())
                tx.rollback();
            System.out.println("Se ha cerrado la transaccion");
        }
        return p;
    }

    public Collection loadAll() throws Exception {
        Session session = NewHibernateUtil.getSessionFactory().getCurrentSession();
        Transaction tx = session.getTransaction();
        List l = null;

        try {
            tx.begin();
            Query q = session.createQuery("from profesor");
            l = q.list();
            tx.commit();
        } catch (HibernateError he) {
            if (tx != null && tx.isActive())
                tx.rollback();
            System.out.println("Se ha cerrado la transaccion");
        }
        return l;
    }

    public Profesor login(String Bol, String cont) throws Exception {
        Session session = NewHibernateUtil.getSessionFactory().getCurrentSession();
        Transaction tx = session.getTransaction();
        Profesor prof = null;
        try {
            tx.begin();
            Query q = session
                    .createSQLQuery("select * from profesor where profesor.RFC=:RFC and profesor.contrasena =:cont")
                    .addEntity(Profesor.class).setParameter("cont", cont).setParameter("RFC", Bol);
            prof = (Profesor) q.uniqueResult();
            tx.commit();
        } catch (HibernateError he) {
            if (tx != null && tx.isActive())
                tx.rollback();
            System.out.println("Se ha cerrado la transaccion");
        }
        return prof;
    }
}