songjianrukudanserviceimpl.java

自己写的一个java购销系统

package com.yuanjin.mtgx.service.impl;

import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;

import com.yuanjin.mtgx.dao.SongJianRuKuDanDAO;
import com.yuanjin.mtgx.dao.impl.SongJianRuKuDanDAOImpl;
import com.yuanjin.mtgx.entity.SongJianRuKuDan;
import com.yuanjin.mtgx.service.SongJianRuKuDanService;
import com.yuanjin.mtgx.util.HbnUtil;

public class SongJianRuKuDanServiceImpl implements SongJianRuKuDanService {
	
	private SongJianRuKuDanDAO dao=new SongJianRuKuDanDAOImpl();

	public boolean addSongJianRuKuDan(SongJianRuKuDan sjrkd) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.save(sjrkd);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

	public boolean deleteSongJianRuKuDan(SongJianRuKuDan sjrkd) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.delete(sjrkd);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

	public List findAllSongJianRuKuDan() {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		List list=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			list=dao.findALL();
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return list;
	}

	public SongJianRuKuDan findSongJianRuKuDanByNo(String sjbh) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		SongJianRuKuDan sjrkd=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			sjrkd=dao.findByNo(sjbh);
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return sjrkd;
	}

	public boolean modifySongJianRuKuDan(SongJianRuKuDan sjrkd) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.update(sjrkd);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

}