SerialTDaoImpl.java

package com.jshoperx.dao.impl;

import java.util.List;

import javax.annotation.Resource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;

import com.jshoperx.dao.SerialTDao;
import com.jshoperx.entity.SerialT;


@Repository("serialTDao")
public class SerialTDaoImpl extends BaseTDaoImpl<SerialT> implements SerialTDao {
	
	private static final Log log = LogFactory.getLog(SerialTDaoImpl.class);
	@Resource
	private SessionFactory sessionFactory;

	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}


	public SerialT findBybaseid(String biz) {
		log.debug("finding newestid by baseid");
		try {
			Criteria criteria=this.getCurrentSession().createCriteria(SerialT.class);
			criteria.add(Restrictions.eq("biz", biz));
			List<SerialT> list = criteria.list();
			if(list!=null&&list.size()>0){
				return list.get(0);
			}
			return null;
		} catch (RuntimeException re) {
			log.error("finding newestid failed", re);
			throw re;
		}
	}



	@SuppressWarnings("unchecked")
	public int updateBybaseid(SerialT transientInstance) {
		log.debug("update newestid");
		try {
			Criteria criteria=this.getCurrentSession().createCriteria(SerialT.class);
			criteria.add(Restrictions.eq("biz", transientInstance.getBiz()));
			List<SerialT>list=criteria.list();
			if(list!=null&&list.size()>0){
				SerialT serialT=list.get(0);
				serialT.setLastid(String.valueOf(Integer.parseInt(serialT.getLastid())+serialT.getIncrement()));
				this.getCurrentSession().update(serialT);
				return 1;
			}
			return 0;
		} catch (RuntimeException re) {
			log.error("update newest failed", re);
			throw re;
		}
	}


}