orderserviceimp.java

Java/J2EE框架Jdon-Framework系统的源代码

/*
 * Copyright 2003-2005 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package com.jdon.framework.samples.jpetstore.service.bo;

import java.sql.SQLException;
import java.util.List;

import com.ibatis.dao.client.DaoManager;
import com.jdon.controller.events.EventModel;
import com.jdon.controller.model.PageIterator;
import com.jdon.controller.pool.Poolable;
import com.jdon.framework.samples.jpetstore.domain.Order;
import com.jdon.framework.samples.jpetstore.persistence.dao.DaoManagerFactory;
import com.jdon.framework.samples.jpetstore.persistence.dao.iface.ItemDao;
import com.jdon.framework.samples.jpetstore.persistence.dao.iface.OrderDao;
import com.jdon.framework.samples.jpetstore.persistence.dao.iface.SequenceDao;
import com.jdon.framework.samples.jpetstore.service.OrderService;
import com.jdon.util.Debug;

/**
 * @author <a href="mailto:[e-mail]">banq</a>
 *
 */
public class OrderServiceImp implements OrderService, Poolable {
    private final static String module = OrderServiceImp.class.getName();
    
    private OrderDao orderDao;
    private SequenceDao sequenceDao;
    private ItemDao itemDao;
    private DaoManagerFactory daoManagerFactory;

    /**
     * @param orderDao
     */
    public OrderServiceImp(OrderDao orderDao,
            ItemDao itemDao,
            SequenceDao sequenceDao,
            DaoManagerFactory daoManagerFactory) {
        this.orderDao = orderDao;
        this.itemDao = itemDao;
        this.sequenceDao = sequenceDao;
        this.daoManagerFactory = daoManagerFactory;
    }
    
    
    /* (non-Javadoc)
     * @see com.jdon.framework.samples.jpetstore.service.OrderService#insertOrder(com.jdon.framework.samples.jpetstore.domain.Order)
     */
    public void insertOrder(EventModel em) {
        Order order = (Order)em.getModel();
        Debug.logVerbose(" insertOrder :" + order.getUsername());      
        DaoManager daoManager = daoManagerFactory.getDaomanager();        
        try {
            // Get the next id within a separate transaction
            order.setOrderId(getNextId("ordernum"));

       
            daoManager.startTransaction();

            itemDao.updateQuantity(order);
            orderDao.insertOrder(order);

            daoManager.commitTransaction();
          }catch(Exception ex){
            Debug.logError(" insertOrder error" + ex);      
            em.setErrors("db.error");
          } finally {
            daoManager.endTransaction();
          }
    }
    
    public synchronized int getNextId(String key) {        
        try {
            return sequenceDao.getNextId(key);
        } catch (SQLException e) {
      
            return 0;
        }
      }
    

    /* (non-Javadoc)
     * @see com.jdon.framework.samples.jpetstore.service.OrderService#getOrder(int)
     */
    public Order getOrder(String orderId) {
        Order Order = null;
        try{
            Order = orderDao.getOrder(Integer.parseInt(orderId));
            //other business logic
        }catch(Exception daoe){
            	Debug.logError(" Dao error : " + daoe, module);
        }
        return Order;
    }

    /* (non-Javadoc)
     * @see com.jdon.framework.samples.jpetstore.service.OrderService#getOrdersByUsername(java.lang.String)
     */
    public PageIterator getOrdersByUsername(String username, int start, int count) {
  	    PageIterator pageIterator = null;
 	     try {
 	         List list = orderDao.getOrderIDsByUsername(username, start, count);
 	         int allCount = orderDao.getOrderIDsByUsernameCount(username);
 	         int currentCount = start + list.size();
 	         pageIterator = new PageIterator(allCount, list.toArray(), start,
 	                 (currentCount < allCount)?true:false);

        } catch (Exception daoe) {
            Debug.logError(" Dao error : " + daoe, module);
        }
       
      return pageIterator;
    }

}