itemdao.java

来自「基于Struts的网络商店源码。使用Hibernate技术」· Java 代码 · 共 53 行

package com.sush.webstore.store.data.dao.hibernate;

import org.hibernate.Session;

import com.sush.webstore.store.data.dao.IItemDAO;
import com.sush.webstore.store.data.dao.hibernate.util.HibernateUtil;
import com.sush.webstore.store.domain.IItem;
import com.sush.webstore.store.domain.beans.Item;

public class ItemDAO implements IItemDAO {

	/*
	 * @param id @return
	 */
	public IItem getItem(long id) {

		Session session = HibernateUtil.getSessionFactory().getCurrentSession();
		IItem item = null;

		try {
			session.beginTransaction();
			item = (IItem) session.load(Item.class, new Long(id));
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			session.getTransaction().commit();
		}
		return item;
	}

	/*
	 * @param item @return
	 */
	public boolean updateItem(IItem item) {

		if (item == null)
			return false;

		Session session = HibernateUtil.getSessionFactory().getCurrentSession();

		try {
			session.beginTransaction();
			session.update(item);
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			session.getTransaction().commit();
		}
		return true;
	}

}