com.hibernate.dao.TelProvedorDAO.java Source code

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Here is the source code for com.hibernate.dao.TelProvedorDAO.java

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/*
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 */
package com.hibernate.dao;

import com.hibernate.entidades.Telefono;
import com.hibernate.init.HibernateUtil;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

/**
 *
 * @author bruno
 */
public class TelProvedorDAO {
    public void agregaTelProvedor(Telefono telefono) {
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            session.save(telefono);
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
    }

    public void borraTelProvedor(int idTelefono) {
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            Telefono telefono = (Telefono) session.load(Telefono.class, new Integer(idTelefono));
            session.delete(telefono);
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
    }

    public void actualizaTelProvedor(Telefono telefono) {
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            session.update(telefono);
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
    }

    public List<Telefono> listaTelProvedores() {
        List<Telefono> reparaciones = new ArrayList<Telefono>();
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            reparaciones = session.createQuery("from Telefono").list();
        } catch (RuntimeException e) {
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
        return reparaciones;
    }

    public Telefono buscaTelProvedor(int idTelefono) {
        Telefono telefono = null;
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            String queryString = "from Telefono where id = :id";
            Query query = session.createQuery(queryString);
            query.setInteger("id", idTelefono);
            telefono = (Telefono) query.uniqueResult();
        } catch (RuntimeException e) {
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
        return telefono;
    }
}