roomcatalogdaoimpl.java.svn-base

一个使用ssh+ext的例子。 希望对开发这个应用的人带来好处。仔细研究里面的代码将带来很大的好处。

package com.hotelmaster.home.dao.hibernate;

import java.util.List;

import com.hotelmaster.home.dao.RoomCatalogDao;
import com.hotelmaster.home.domain.Page;
import com.hotelmaster.home.domain.Room;
import com.hotelmaster.home.domain.RoomCatalog;

public class RoomCatalogDaoImpl extends GenericHibernateDao<RoomCatalog> implements RoomCatalogDao{

	public RoomCatalogDaoImpl() {
		super(RoomCatalog.class);
		// TODO Auto-generated constructor stub
	}

	public List<RoomCatalog> showAllRoomCatalog() {
		// TODO Auto-generated method stub
		Page page = new Page(0);
		return queryForList(
				"select count(*) from RoomCatalog"
				,"from RoomCatalog"
				,null,page
		);
	}

	public boolean addNewRoomCatalog(RoomCatalog roomCatalog) {
		String id = roomCatalog.getRcId();
		Long count=(Long)queryForObject(
				"select count(*) from RoomCatalog where rcId=?"
				,new Object[] {id});
		if(count.longValue()==0){
			hibernateTemplate.save(roomCatalog);
			return true;
		}
		else{
			log.info("The data was exist in database");
			return false;
		}
	}

	public boolean delRoomCatalog(RoomCatalog roomCatalog) {
		RoomCatalog delRoomCatalog = new RoomCatalog();
		delRoomCatalog = roomCatalog;
		Long count=(Long)queryForObject(
				"select count(*) from RoomCatalog where rcId=?"
				,new Object[] {roomCatalog.getRcId()});
		if(count.longValue()==0){
			return false;
		}
		else{
			hibernateTemplate.delete(delRoomCatalog);
			return true;
		}	
	}

}