retrieveticketsdao.java

jsp+struct网上订票系统

package dao;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import orm.Order;
import orm.OrderItem;
import orm.Us;
import java.util.List;
import java.util.Iterator;
import java.util.Set;
import orm.ShopItem;
public class RetrieveTicketsDao extends HibernateDaoSupport{
private static final Log log = LogFactory.getLog(RetrieveTicketsDao.class);
	
	protected void initDao() {	
	}
	
	public boolean RetrieveTicket(Long id){
		//Long i = new Long(id);
		Order order;
		OrderItem or;
		int count;
		try{
			order = (Order)this.getHibernateTemplate().load(Order.class,id);
			
			
			Set  itemset=order.getItemSet();
			for(Iterator it =itemset.iterator();it.hasNext();)
			{
			or=((ShopItem)it.next()).getItem();
				count=or.getFcount();
				count=count+((ShopItem)it.next()).getRealcount();
				or.setFcount(count);
				this.getHibernateTemplate().update(or);
			}
					
			this.getHibernateTemplate().delete(order);
		}catch(Exception e){
			log.error(e.getMessage());
			return false;
		}
		
		return true;
	}
	public boolean RetrieveTicket1(Long id){
		//Long i = new Long(id);
		Order or;
		OrderItem ori;
		int count;
		List list=null;
		ShopItem shopitem;
		try{
			or = (Order)this.getHibernateTemplate().load(Order.class,id);
			 String hql="from ShopItem shop where shop.order=?";
			 
				   list=this.getHibernateTemplate().find(hql,or);
				   Iterator it=list.iterator();
				   while(it.hasNext())
				   {
					 shopitem=(ShopItem)it.next();
					 count=shopitem.getItem().getFcount();
					 count=count+shopitem.getRealcount();
			       ori=(OrderItem)this.getHibernateTemplate().load(OrderItem.class,shopitem.getItem().getId());
				ori.setFcount(count);
				
				this.getHibernateTemplate().update(ori);
				this.getHibernateTemplate().delete(or);
			      }
					
			
		}catch(Exception e){
			log.error(e.getMessage());
			return false;
		}
		
		return true;
	}
}