pricedaoimpl.java

电信计费项目 该系统在Sun Solaris下开发,运行于Apache Tomcat平台,采用J2EE架构

package com.tarena.netctoss.model.persist;

import java.util.List;
import org.hibernate.*;

import com.tarena.util.*;
import com.tarena.netctoss.model.biz.entity.Price;

public class PriceDAOImpl implements IPriceDAO {

	public void delete(Price price) throws PriceException{
		Session session = HibernateFactoryManager.getSession();
		try {
			session.delete(price);
		} catch (HibernateException e) {
			e.printStackTrace();
			throw new PriceException("delete Priceerror");
		}
	}

	@SuppressWarnings("unchecked")
	public List<Price> findAll() throws PriceException{
		Session session = HibernateFactoryManager.getSession();
		List<Price> prices = null;
		String hql = "from Price";
		try {
			Query q = session.createQuery(hql);
			prices = q.list();
		} catch (HibernateException e) {
			e.printStackTrace();
			throw new PriceException("find all Price error");
		}
		return prices;
	}

	public void insert(Price price) throws PriceException{
		Session session = HibernateFactoryManager.getSession();
		try {
			session.save(price);
                        System.out.println("insert service");
		} catch (HibernateException e) {
			e.printStackTrace();
			throw new PriceException("insert Price error");
		}
	} 

	public void update(Price price) throws PriceException{
		Session session = HibernateFactoryManager.getSession();
		try {
			Price p = findByID(price.getPrice_id());
			p.setPrice_name(price.getPrice_name());
			p.setPrice_descripte(price.getPrice_descripte());
			p.setBase_fee(price.getBase_fee());
			p.setRate_fee(price.getRate_fee());
			session.update(p);
		} catch (HibernateException e) {
			e.printStackTrace();
			throw new PriceException("update Price error");
		}
	}
	
	public Price findByID(Long price_id) throws PriceException{
		Price price = null;
		Session session = HibernateFactoryManager.getSession();
		String hql = "from Price price where price.price_id=?";
		try {
			Query q = session.createQuery(hql);
			q.setLong(0, price_id);
			price = (Price) q.uniqueResult();
		} catch (HibernateException e) {
			e.printStackTrace();
			throw new PriceException("find by id Price error");
		}
		return price;
	}
	
	public Price findByName(String price_name) throws PriceException{
		Price price = null;
		Session session = HibernateFactoryManager.getSession();
		String hql = "from Price price where price.price_name=?";
		try {
			Query q = session.createQuery(hql);
			q.setString(0, price_name);
			price = (Price) q.uniqueResult();
		} catch (HibernateException e) {
			e.printStackTrace();
			throw new PriceException("find by id Price error");
		}
		return price;
	}
}