src/cost/dao/BoxCostSetDAO.java

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package cost.dao;

import com.cmd.SelectCmd;
import com.cmd.SqlCmd;
import com.dao.BaseHibernateDAO;

import cost.bean.BoxCostSet;

import java.sql.ResultSet;
import java.util.Date;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

/**
 * A data access object (DAO) providing persistence and search support for
 * BoxCostSet entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see cost.bean.BoxCostSet
 * @author MyEclipse Persistence Tools
 */

public class BoxCostSetDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(BoxCostSetDAO.class);
	// property constants
	public static final String HOTEL_ID = "hotelId";
	public static final String BOX_ID = "boxId";
	private SqlCmd sqlCmd = null;
	
	public String save(BoxCostSet transientInstance) {
		log.debug("saving BoxCostSet instance");
		String msg="1";
		try {
			getSessions().saveOrUpdate(transientInstance);

			closeSessions();
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			msg="保存失败!"+re.getMessage();
		}
		return msg;
	}

	public String delete(BoxCostSet persistentInstance) {
		log.debug("deleting BoxCostSet instance");
		String msg="1";
		try {
			BoxCostSetItemDAO itemDao=new BoxCostSetItemDAO();
			
			List itemList=itemDao.findByBoxCostSetId(persistentInstance.getBoxCostSetId());
			if(itemList.size() >0)
			{
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