com.javaweb.service.NguoidungService.java Source code

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Here is the source code for com.javaweb.service.NguoidungService.java

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package com.javaweb.service;

import com.javaweb.hibernate.util.HibernateUtil;
import com.javaweb.model.Nguoidung;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

/**
 *
 * @author DuongNguyen
 */
public class NguoidungService {

    //Cp nht ng?i dng
    public boolean InsertNguoidung(Nguoidung nd) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        Transaction tx = null;

        try {
            tx = session.getTransaction();
            tx.begin();
            session.saveOrUpdate(nd);
            tx.commit();
            return true;
        } catch (Exception e) {
            if (tx != null) {
                tx.rollback();
            }
            System.out.println(e.toString());
        } finally {
            session.close();
        }
        return false;
    }

    //Ly thng tin ng?i dng theo IDTaikhoan
    public Nguoidung GetUserByIdNguoidung(int idNguoidung) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        Transaction tx = null;

        try {
            tx = session.getTransaction();
            tx.begin();
            String strQuery = "from Nguoidung where idnguoidung = " + idNguoidung;
            Query query = session.createQuery(strQuery);
            Nguoidung nd = (Nguoidung) query.uniqueResult();
            tx.commit();
            return nd;
        } catch (Exception e) {
            if (tx != null) {
                tx.rollback();
            }
            System.out.println(e.toString());
        } finally {
            session.close();
        }
        return null;
    }

    //Xa Ng?i dng
    public boolean DeleteNguoidung(int idND) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        Transaction tx = null;

        try {
            tx = session.getTransaction();
            tx.begin();
            Nguoidung nd = new Nguoidung();
            nd.setIdnguoidung(idND);
            session.delete(nd);
            tx.commit();
            return true;
        } catch (Exception e) {
            if (tx != null) {
                tx.rollback();
            }
            System.out.println(e.toString());
        } finally {
            session.close();
        }
        return false;
    }
}