caigoudingdanserviceimpl.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.CaiGouDingDanDAO;
import com.yuanjin.mtgx.dao.impl.CaiGouDingDanDAOImpl;
import com.yuanjin.mtgx.entity.CaiGouDingDan;
import com.yuanjin.mtgx.service.CaiGouDingDanService;
import com.yuanjin.mtgx.util.HbnUtil;

public class CaiGouDingDanServiceImpl implements CaiGouDingDanService {
	
	private CaiGouDingDanDAO dao=new CaiGouDingDanDAOImpl();

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

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

	public List findAllCaiGouDingDan() {
		// 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 CaiGouDingDan findCaiGouDingDanByNo(String cgddh) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		CaiGouDingDan cgdd=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			cgdd=dao.findByNo(cgddh);
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return cgdd;
	}

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

}