hola.DAOUsuario.java Source code

Introduction

Here is the source code for hola.DAOUsuario.java

Source

/*
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package hola;

import java.util.ArrayList;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author T-301
 */
public class DAOUsuario {

    private static SessionFactory fac;
    private static Session sesion;
    private static Transaction tranza;

    private synchronized static void obtenerSesion() {
        fac = HibernateUtilidades.getSessionFactory();
        sesion = fac.openSession();
        tranza = sesion.beginTransaction();
    }

    private synchronized static void cerrarSesion() {
        tranza.commit();
        sesion.close();
    }

    //Metodo para guardar

    public synchronized void guardar(Usuario p) throws Exception {
        obtenerSesion();
        sesion.save(p);
        cerrarSesion();
    }

    public synchronized Usuario buscarPorId(Integer id) throws Exception {
        obtenerSesion();
        Usuario p = new Usuario();
        Criteria cricri = sesion.createCriteria(Usuario.class);

        p = (Usuario) cricri.add(Restrictions.idEq(id)).uniqueResult();
        cerrarSesion();
        return p;
    }

    public synchronized ArrayList<Usuario> buscarTodos() throws Exception {
        obtenerSesion();
        ArrayList<Usuario> peliculas = new ArrayList<Usuario>();
        Criteria cricri = sesion.createCriteria(Usuario.class);
        peliculas = (ArrayList<Usuario>) cricri.list();
        cerrarSesion();

        return peliculas;
    }

    public synchronized void actualizar(Usuario peli) throws Exception {
        obtenerSesion();
        sesion.update(peli);
        cerrarSesion();
    }

    public synchronized void borrar(Usuario peli) throws Exception {
        obtenerSesion();
        sesion.delete(peli);
        cerrarSesion();
    }

}