plandaoimpl.java

这是大唐电信的一个管理系统

package com.tatang.dao.impl;

import java.util.ArrayList;
import java.util.List;

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

import com.tatang.dao.IPlanDao;
import com.tatang.po.TPlan;
import com.tatang.util.HibernateSessionFactory;


public class PlanDaoImpl implements IPlanDao{

	public List<TPlan> planList() {
		Session session = null;
		Transaction tx = null;
		Query q = null;
		String sql="from TPlan";
		try{
			session = HibernateSessionFactory.getSession();
		    tx = session.beginTransaction();
		    q = session.createQuery(sql);
		    List<TPlan> list = new ArrayList();
		    list = q.list();
		    tx.commit();
		    return list;
		}catch(HibernateException e){
			tx.rollback();
			e.printStackTrace();
			return null;
		}finally{
			HibernateSessionFactory.closeSession();
		}
	}

	public boolean addPlan(TPlan plan) {
		
		Session session = null;
		Transaction tx = null;
		try{
			session = HibernateSessionFactory.getSession();
			tx = session.beginTransaction();
			session.save(plan);
			tx.commit();
			return true;
		}catch(HibernateException e){
			tx.rollback();
			e.printStackTrace();
			return false;
		}finally{
			HibernateSessionFactory.closeSession();
		}
	}
}