storeinutil.java

J2EE电子商务系统开发从入门到精通---基于Struts和Hibernate技术实现

/*
 * StoreinUtil.java
 *
 * Created on 2006年5月21日, 下午2:33
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package model.store.hibernate;

import dbservice.hibernate.HibernateService;
import java.util.List;
import net.sf.hibernate.Session;
import net.sf.hibernate.Transaction;
import net.sf.hibernate.HibernateException;
/**
 *
 * @author Administrator
 */
public class StoreinUtil {
    
    public static boolean insert(String clientId, String productId, String roomId, Storein storein) {
        Transaction transaction = null;
        Session session = null;
        boolean b = false;
        try {
            session = HibernateService.getSession();
            transaction = session.beginTransaction();
            ClientUtil.addStoreins(clientId, storein);
            ProductUtil.addStoreins(productId, storein);
            StoreroomUtil.addStoreins(roomId, storein);
            session.save(storein);
            transaction.commit();
            b = true;
        }
        catch (HibernateException he) {
            he.printStackTrace();
            HibernateService.rollbackTransaction(transaction);
            b = false;
        }
        catch (Exception e) {
            e.printStackTrace();
            b = false;
        }
        finally {
            HibernateService.closeSession(session);
            return b;
        }
    }
    
    public static List findAll() {
        List list = null;
        Transaction transaction = null;
        Session session = null;
        try {
            session = HibernateService.getSession();
            transaction = session.beginTransaction();
            list = HibernateService.execQuery("from Storein");
            transaction.commit();
        }
        catch (HibernateException he) {
            he.printStackTrace();
            HibernateService.rollbackTransaction(transaction);
            list = null;
        }
        catch (Exception e) {
            e.printStackTrace();
            list = null;
        }
        finally {
            HibernateService.closeSession(session);
            return list;            
        }
    }
    
    public static Storein find(String id) {
        Storein storein = null;
        Transaction transaction = null;
        Session session = null;
        try {
            session = HibernateService.getSession();
            transaction = session.beginTransaction();
            storein = new Storein();
            session.load(storein, Integer.valueOf(id));
            transaction.commit();
        }
        catch (HibernateException he) {
            he.printStackTrace();
            HibernateService.rollbackTransaction(transaction);
            storein = null;
        }
        catch (Exception e) {
            e.printStackTrace();
            storein = null;
        }
        finally {
            HibernateService.closeSession(session);
            return storein;
        }
    }
    
    public static boolean update(String id, String clientId, String productId, String storeroomId, Storein s) {
        Transaction transaction = null;
        Session session = null;
        boolean b = false;
        try {
            session = HibernateService.getSession();
            transaction = session.beginTransaction();
            Storein storein = new Storein();
            session.load(storein, Integer.valueOf(id));
            storein.setName(s.getName());
            storein.setIntime(s.getIntime());
            storein.setRemarks(s.getRemarks());
            
            ClientUtil.addStoreins(clientId, storein);
            
            ProductUtil.addStoreins(productId, storein);
            
            StoreroomUtil.addStoreins(storeroomId, storein);
            
            session.update(storein);
            transaction.commit();
            
            b = true;
        }
        catch (HibernateException he) {
            he.printStackTrace();
            HibernateService.rollbackTransaction(transaction);
            b = false;
        }
        catch (Exception e) {
            e.printStackTrace();
            b = false;
        }
        finally {
            HibernateService.closeSession(session);
            return b;
        }
    }
}