traderecorddaoimpl.java

来自「Struts+Spring+Hibernate实现的在线拍卖系统,去掉了这些组件」· Java 代码 · 共 66 行

package org.bestteam.dao.impl;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.bestteam.dao.TradeRecordDao;
import org.bestteam.domain.MerchandiseInfo;
import org.bestteam.domain.TradeRecord;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class TradeRecordDaoImpl extends HibernateDaoSupport implements TradeRecordDao {

	private static final Log log = LogFactory.getLog(TradeRecordDaoImpl.class);	
	public void delete(TradeRecord tradeRecord) {
		log.debug("deleting tradeRecord instance");
        try {
            getHibernateTemplate().delete(tradeRecord);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }

	}

	
	public List findByProperty(String propertyName, Object value) {
	      log.debug("finding tradeRecord instance with property: " + propertyName
	            + ", value: " + value);
	      try {
	         String queryString = "from TradeRecord where " 
	         						+ propertyName + "= ?";
			 return getHibernateTemplate().find(queryString, value);
	      } catch (RuntimeException re) {
	         log.error("find by property name failed", re);
	         throw re;
	      }
	}

	public void save(TradeRecord tradeRecord) {
		log.debug("saving tradeRecord instance");
        try {
            getHibernateTemplate().save(tradeRecord);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }

	}

	public TradeRecord saveOrUpdate(TradeRecord tradeRecord) {
		log.debug("saveOrUpdate tradeRecord instance");
        try {
        	TradeRecord result = (TradeRecord) getHibernateTemplate()
                    .merge(tradeRecord);
            log.debug("saveOrUpdate successful");
            return result;
        } catch (RuntimeException re) {
            log.error("saveOrUpdate failed", re);
            throw re;
        }
	}

}