rukudanserviceimpl.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.RuKuDanDAO;
import com.yuanjin.mtgx.dao.impl.RuKuDanDAOImpl;
import com.yuanjin.mtgx.entity.RuKuDan;
import com.yuanjin.mtgx.service.RuKuDanService;
import com.yuanjin.mtgx.util.HbnUtil;

public class RuKuDanServiceImpl implements RuKuDanService {
	
	private RuKuDanDAO dao=new RuKuDanDAOImpl();

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

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

	public List findAllRuKuDan() {
		// 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 RuKuDan findRuKuDanByNo(String rkdbh) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		RuKuDan rkd=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			rkd=dao.findByNo(rkdbh);
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return rkd;
	}

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

}