com.hibernate.dao.PedidoDAO.java Source code

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

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/*
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 */
package com.hibernate.dao;

import com.hibernate.entidades.Pedido;
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 PedidoDAO {
    public void agregaPedido(Pedido pedido) {
        Transaction trns = null;
        Session session = HibernateUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            session.save(pedido);
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
    }

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

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

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

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

}