com.hibernate.dao.RefaccionDAO.java Source code

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

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/*
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 */
package com.hibernate.dao;

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

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

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

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

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

}