DaoBiblioteca.java

package dao;

import java.sql.Date;

import org.hibernate.Session;

import hibernate.entidad.Biblioteca;

public class DaoBiblioteca {
    private static ConfigHibernate cHibernate;
    private static Session session;

    public static void Add(Biblioteca b) {
        cHibernate = new ConfigHibernate();
        session = cHibernate.abrirConexion();
        session.beginTransaction();
        b.setFechaAlta(formatDate(b.getFechaAlta()));
        session.save(b);
        session.getTransaction().commit();
        cHibernate.cerrarSession();
    }

    public static Biblioteca ReadOne(int id) {
        cHibernate = new ConfigHibernate();
        session = cHibernate.abrirConexion();
        session.beginTransaction();
        Biblioteca b = (Biblioteca)session.get(Biblioteca.class,id);
        cHibernate.cerrarSession();
        return b;
    }

    public static void Update(Biblioteca b) {
        cHibernate = new ConfigHibernate();
        session = cHibernate.abrirConexion();
        session.beginTransaction();
        b.setFechaAlta(formatDate(b.getFechaAlta()));
        session.update(b);
        session.getTransaction().commit();
        cHibernate.cerrarSession();
    }

    public static void Delete(Biblioteca b) {
        cHibernate = new ConfigHibernate();
        session = cHibernate.abrirConexion();
        session.beginTransaction();
        session.delete(b);
        session.getTransaction().commit();
        cHibernate.cerrarSession();
    }

    protected static Date formatDate(Date date) {
        date.setMonth(date.getMonth()-1);
        date.setYear(date.getYear()-1900);
        return date;
    }
}