DAO.EmpleadoImplements.java Source code

Introduction

Here is the source code for DAO.EmpleadoImplements.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package DAO;

import Persistencia.HibernateUtil;
import Pojo.Empleados;

import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;

/**
 *
 * @author Wolverine20
 */
public class EmpleadoImplements implements EmpleadoDao {

    @Override
    public List<Empleados> mostrarEmpleados() {
        Session session = null;
        List<Empleados> lista = null;
        try {
            System.out.println("Llego hasta ac");
            session = HibernateUtil.getSessionFactory().openSession();
            Query query = session.createQuery("from Empleados");
            lista = (List<Empleados>) query.list();

        } catch (HibernateException e) {
            System.out.println("Error catch");
        } finally {
            if (session != null) {
                session.close();
            }
        }
        return lista;

    }

    @Override
    public Empleados getEmpleado(Integer legajo) {

        Empleados empleado = null;
        Session session = null;

        try {
            session = HibernateUtil.getSessionFactory().openSession();
            Query query = session.createQuery("from Empleados e WHERE e.legajo = :legajo");
            query.setParameter("legajo", legajo);
            empleado = (Empleados) query.uniqueResult();
        } catch (HibernateException e) {
            System.out.println(e.getMessage());
            session.getTransaction().rollback();
        } finally {
            if (session != null) {
                session.close();
            }
        }
        return empleado;

    }

    @Override
    public void insertarEmpleado(Empleados empleado) {
        Session session = null;
        try {
            session = HibernateUtil.getSessionFactory().openSession();
            session.beginTransaction();
            session.merge(empleado);
            session.getTransaction().commit();
        } catch (HibernateException e) {
            System.out.println(e.getMessage());
            session.getTransaction().rollback();
        } finally {
            if (session != null) {
                session.close();
            }
        }
    }

    @Override
    public void modificarEmpleado(Empleados empleado) {
        Session session = null;
        try {
            session = HibernateUtil.getSessionFactory().openSession();
            session.beginTransaction();
            session.update(empleado);
            session.getTransaction().commit();
        } catch (HibernateException e) {
            System.out.println(e.getMessage());
            session.getTransaction().rollback();
        } finally {
            if (session != null) {
                session.close();
            }
        }
    }

    @Override
    public void eliminarEmpleado(Empleados empleado) {
        Session session = null;
        try {
            session = HibernateUtil.getSessionFactory().openSession();
            session.beginTransaction();
            session.delete(empleado);
            session.getTransaction().commit();
        } catch (HibernateException e) {
            System.out.println(e.getMessage());
            session.getTransaction().rollback();
        } finally {
            if (session != null) {
                session.close();
            }
        }
    }
}