com.hibernate.dao.AutomovilDAO.java Source code

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

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/*
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package com.hibernate.dao;

import com.hibernate.entidades.Automovil;
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 AutomovilDAO {

    public void agregaAutomovil(Automovil automovil) {
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            session.save(automovil);
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
    }

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

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

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

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

}