com.bs.dao.ProductDao.java Source code

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Here is the source code for com.bs.dao.ProductDao.java

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package com.bs.dao;

import com.bs.model.ProductModel;
import com.bs.pojo.Product;
import com.bs.util.HibernateUtil;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.stereotype.Service;

@Service
public class ProductDao implements ProductModel {

    @Override
    public boolean doInsertProduct(Product product) {
        Session s = HibernateUtil.getSessionFactory().openSession();
        try {
            s.beginTransaction();
            s.save(product);
            s.getTransaction().commit();
            return true;
        } catch (Exception e) {
            return false;

        } finally {
            s.close();
        }
    }

    @Override
    public boolean doUpdateProduct(Product product) {
        Session s = HibernateUtil.getSessionFactory().openSession();
        try {
            s.beginTransaction();
            s.update(product);
            s.getTransaction().commit();
            return true;
        } catch (Exception e) {
            return false;

        } finally {
            s.close();
        }
    }

    @Override
    public boolean doDeleteProduct(Product product) {
        Session s = HibernateUtil.getSessionFactory().openSession();
        try {
            s.beginTransaction();
            s.delete(product);
            s.getTransaction().commit();
            return true;
        } catch (Exception e) {
            return false;

        } finally {
            s.close();
        }
    }

    @Override
    public List<Product> findAllProduct() {
        Session s = HibernateUtil.getSessionFactory().openSession();
        try {
            s.beginTransaction();
            Query q = s.createQuery("From Product");
            List<Product> pList = q.list();

            s.getTransaction().commit();
            return pList;
        } catch (Exception e) {
            return null;

        } finally {
            s.close();
        }
    }

    @Override
    public List<Product> findByProductId(int proId) {
        Session s = HibernateUtil.getSessionFactory().openSession();
        try {
            s.beginTransaction();
            Query q = s.createQuery("From Product where proId=" + proId + "");
            List<Product> pList = q.list();
            s.getTransaction().commit();
            return pList;
        } catch (Exception e) {
            return null;

        } finally {
            s.close();
        }
    }

}