src/com/pure/dao/hibernate/DishHibernateDAO.java

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package com.pure.dao.hibernate;

import java.sql.SQLException;
import java.util.List;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.Expression;
import org.springframework.dao.DataAccessException;
import org.springframework.orm.hibernate3.HibernateCallback;

import com.pure.dao.DishDAO;
import com.pure.domain.Dish;
import com.pure.domain.Image;
import com.pure.page.Page;
import com.pure.sys.Application;
import com.pure.sys.Constant;
import com.pure.util.PureUtil;

/**
 * 菜品DAO接口实现类
 * 
 * @author pure
 * 
 */
public class DishHibernateDAO extends BaseDao implements DishDAO {
	protected final Log logger = LogFactory.getLog(getClass());

	public void insertDish(Dish dish) throws DataAccessException {
		this.getHibernateTemplate().save(dish);
	}

	// TODO 这里需要注意一下,关于merge方法
	public void updateDish(Dish dish) throws DataAccessException {
		this.getHibernateTemplate().merge(dish);
	}

	public List getDishList(final Page page) {
		return getHibernateTemplate().executeFind(new HibernateCallback() {
			public Object doInHibernate(Session s) throws HibernateException,
					SQLException {
				Query query = s.createQuery(page.getHql());
				query.setFirstResult(page.getStartRs());
				query.setMaxResults(page.getPerPage());
				List list = query.list();
				return list;

			}
		});
	}

	public List getDishList(final int num, final String hql) {
		return getHibernateTemplate().executeFind(new HibernateCallback() {
			public Object doInHibernate(Session s) throws HibernateException,
					SQLException {