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.ulcs.dao; import com.ulcs.model.Customer; import com.ulcs.model.User; import java.util.ArrayList; import java.util.List; import org.hibernate.SQLQuery; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.AnnotationConfiguration; import org.hibernate.tool.hbm2ddl.SchemaExport; /** * * @author Plus */ public class CustomerDAO { public void insertMember(Customer customer) { try { // Connection con=Teledbc.connector(); // String qry="insert into customer(customerName,customerAddress,customerNumber) values(=:customerName,=:customerAddress,=:customerNumber)"; AnnotationConfiguration config = new AnnotationConfiguration(); config.addAnnotatedClass(Customer.class); config.configure("hibernate.cfg.xml"); // new SchemaExport(config).create(true, true); SessionFactory factory = config.buildSessionFactory(); Session session = factory.getCurrentSession(); session.beginTransaction(); Customer cus = new Customer(); cus.setCustomerName(customer.getCustomerName()); cus.setCustomerAddress(customer.getCustomerAddress()); cus.setCustomerNumber(customer.getCustomerNumber()); session.save(cus); session.getTransaction().commit(); // PreparedStatement pst=con.prepareStatement(qry); // pst.setString(1,customer.getCustomerName()); // pst.setString(2,customer.getCustomerAddress()); // pst.setString(3,customer.getCustomerNumber()); // pst.execute(); // con.close(); } catch (Exception e) { e.printStackTrace(); } } public List<Customer> getMemberInfo() { try { List<Customer> customer = new ArrayList<Customer>(); // Connection con=Teledbc.connector(); String qry = "Select * from customer"; AnnotationConfiguration config = new AnnotationConfiguration(); config.addAnnotatedClass(Customer.class); config.configure("hibernate.cfg.xml"); SessionFactory factory = config.buildSessionFactory(); Session session = factory.getCurrentSession(); session.beginTransaction(); SQLQuery query = session.createSQLQuery(qry); query.addEntity(Customer.class); List rs = query.list(); session.getTransaction().commit(); return (List<Customer>) rs; // PreparedStatement pst= con.prepareStatement(qry); // ResultSet rs=pst.executeQuery(); // // while(rs.next()){ // Customer m=new Customer(); // m.setCustomerName(rs.getString("customerName")); // m.setCustomerNumber(rs.getString("customerNumber")); // m.setCustomerAddress(rs.getString("customerAddress")); // m.setCustomerID(rs.getInt("CsID")); // customer.add(m); // } // con.close(); // return customer; } catch (Exception e) { e.printStackTrace(); } return null; } public Customer getCustomer(int customerID) { try { // Connection con=Teledbc.connector(); String qry = "Select * from customer where customerID=:CsID"; AnnotationConfiguration config = new AnnotationConfiguration(); config.addAnnotatedClass(Customer.class); config.configure("hibernate.cfg.xml"); SessionFactory factory = config.buildSessionFactory(); Session session = factory.getCurrentSession(); session.beginTransaction(); SQLQuery query = session.createSQLQuery(qry); query.addEntity(Customer.class); query.setParameter("CsID", customerID); List queryList = query.list(); session.getTransaction().commit(); if (queryList != null && queryList.isEmpty()) { return null; } else { return (Customer) queryList.get(0); } // PreparedStatement pst= con.prepareStatement(qry); // pst.setInt(1, customerID); // ResultSet rs=pst.executeQuery(); // // while(rs.next()){ // Customer m=new Customer(); // m.setCustomerName(rs.getString("customerName")); // m.setCustomerNumber(rs.getString("customerNumber")); // m.setCustomerAddress(rs.getString("customerAddress")); // m.setCustomerID(rs.getInt("CsID")); // return m; // } // con.close(); } catch (Exception e) { e.printStackTrace(); } return null; } public void deleteCustomer(int customerID) { try { String qry = "delete from customer where customerID=:CsID"; AnnotationConfiguration config = new AnnotationConfiguration(); config.addAnnotatedClass(Customer.class); config.configure("hibernate.cfg.xml"); SessionFactory factory = config.buildSessionFactory(); Session session = factory.getCurrentSession(); session.beginTransaction(); SQLQuery query = session.createSQLQuery(qry); query.addEntity(Customer.class); query.setParameter("CsID", customerID); query.executeUpdate(); session.getTransaction().commit(); // Connection con=Teledbc.connector(); // String qry="delete from customer where CsID=?"; // PreparedStatement pst=con.prepareStatement(qry); // pst.setInt(1,customerID); // pst.executeUpdate(); // con.close(); } catch (Exception e) { e.printStackTrace(); } } public void updateCustomer(Customer customer) { try { String qry = "update customer set customerName=:customerName ,customerAddress=:customerAddress,customerNumber=:customerNumber where customerID=:CsID"; AnnotationConfiguration config = new AnnotationConfiguration(); config.addAnnotatedClass(Customer.class); config.configure("hibernate.cfg.xml"); SessionFactory factory = config.buildSessionFactory(); Session session = factory.getCurrentSession(); session.beginTransaction(); SQLQuery query = session.createSQLQuery(qry); query.addEntity(Customer.class); query.setParameter("CsID", customer.getCustomerID()); query.setParameter("customerName", customer.getCustomerName()); query.setParameter("customerAddress", customer.getCustomerAddress()); query.setParameter("customerNumber", customer.getCustomerNumber()); query.executeUpdate(); session.getTransaction().commit(); // Connection con=Teledbc.connector(); // String qry="update customer set customerName=? ,customerAddress=?,customerNumber=? where CsID=?"; // PreparedStatement pst=con.prepareStatement(qry); // pst.setString(1,customer.getCustomerName()); // pst.setString(2,customer.getCustomerAddress()); // pst.setString(3,customer.getCustomerNumber()); // pst.setInt(4,customer.getCustomerID()); // pst.executeUpdate(); // con.close(); } catch (Exception e) { e.printStackTrace(); } } }