Java tutorial
/* * 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 com.gerenciaProyecto.DaoImple; import com.gerenciaProyecto.Dao.VentaDao; import com.gerenciaProyecto.Entites.Venta; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; /** * * @author Agandio */ @Repository public class VentaDaoImpl implements VentaDao { @PersistenceContext private EntityManager entityManager; public EntityManager getEntityManager() { return entityManager; } @Override @Transactional public void AgregarVenta(Venta p_Venta) { EntityManager em = getEntityManager(); try { em.persist(p_Venta); em.flush(); } catch (Exception e) { e.printStackTrace(); } } }