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.model.manegers; import com.util.HibernateUtil; import static com.util.HibernateUtil.getSessionFactory; import com.util.Users; import java.util.List; import org.hibernate.Session; import org.hibernate.Transaction; /** * * @author Khalil Sharkawi */ public class User_maneger { public static List<Users> getUsers() { Session session = getSessionFactory().openSession(); List<Users> l = session.createQuery("FROM Users").list(); // session.close(); return l; } public static void AddUser(Users p) { Transaction trs = null; Session session = getSessionFactory().openSession(); try { trs = session.beginTransaction(); session.save(p); session.getTransaction().commit(); } catch (RuntimeException e) { if (trs != null) { trs.rollback(); } } finally { session.flush(); session.close(); } } public static void DeleteUser(int id) { Users myObject; Transaction trs = null; Session session = getSessionFactory().openSession(); try { trs = session.beginTransaction(); myObject = (Users) session.load(Users.class, new Integer((int) id)); session.delete(myObject); session.getTransaction().commit(); } catch (RuntimeException e) { if (trs != null) { trs.rollback(); } } finally { session.flush(); session.close(); } } public static void updateUser(Users pro) { Transaction trns = null; Session session = HibernateUtil.getSessionFactory().openSession(); try { trns = session.beginTransaction(); session.saveOrUpdate(pro); session.getTransaction().commit(); } catch (RuntimeException e) { if (trns != null) { trns.rollback(); } e.printStackTrace(); } finally { session.flush(); session.close(); } } public static Users getByid(int id) { Users myObject = null; Transaction trs = null; Session session = getSessionFactory().openSession(); try { // trs = session.beginTransaction(); myObject = (Users) session.load(Users.class, new Integer((int) id)); // session.delete(myObject); // session.getTransaction().commit(); } catch (RuntimeException e) { if (trs != null) { // trs.rollback(); } } finally { session.flush(); session.close(); return myObject; } } }