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.warehouse.service; import com.warehouse.entity.User; import java.io.IOException; import java.util.List; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.exception.GenericJDBCException; /** * * @author pawel_000 */ public class UserService { public static void insert(User user, SessionFactory sessionFactory) throws IOException { Session session = sessionFactory.openSession(); Transaction transaction = session.beginTransaction(); session.persist(user); transaction.commit(); session.close(); } public static void delete(User user, SessionFactory sessionFactory) throws IOException { Session session = sessionFactory.openSession(); Transaction transaction = session.beginTransaction(); session.delete(user); transaction.commit(); session.close(); } public static List<User> list(SessionFactory sessionFactory) throws GenericJDBCException { Session session = sessionFactory.openSession(); List<User> list = session.createQuery("from User").list(); session.close(); return list; } }