/*
* Copyright 2000-2004 The Apache Software Foundation.
*
* 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.ibatis.jpetstore.service;
import com.ibatis.dao.client.DaoManager;
import com.ibatis.jpetstore.domain.LineItem;
import com.ibatis.jpetstore.domain.Order;
import com.ibatis.jpetstore.persistence.DaoConfig;
import com.ibatis.jpetstore.persistence.iface.ItemDao;
import com.ibatis.jpetstore.persistence.iface.OrderDao;
import com.ibatis.jpetstore.persistence.iface.SequenceDao;
import com.ibatis.common.util.PaginatedList;
import java.util.List;
/**
* <p/>
* Date: Mar 6, 2004 11:22:36 PM
*
* @author Clinton Begin
*/
public class OrderService {
/* Constants */
private static final OrderService instance = new OrderService();
/* Private Fields */
private DaoManager daoManager = DaoConfig.getDaomanager();
private ItemDao itemDao;
private OrderDao orderDao;
private SequenceDao sequenceDao;
/* Constructors */
public OrderService() {
itemDao = (ItemDao) daoManager.getDao(ItemDao.class);
sequenceDao = (SequenceDao) daoManager.getDao(SequenceDao.class);
orderDao = (OrderDao) daoManager.getDao(OrderDao.class);
}
/* Public Methods */
public static OrderService getInstance() {
return instance;
}
/* ORDER */
public void insertOrder(Order order) {
try {
// Get the next id within a separate transaction
order.setOrderId(getNextId("ordernum"));
daoManager.startTransaction();
itemDao.updateQuantity(order);
orderDao.insertOrder(order);
daoManager.commitTransaction();
} finally {
daoManager.endTransaction();
}
}
public Order getOrder(int orderId) {
Order order = null;
try {
daoManager.startTransaction();
order = orderDao.getOrder(orderId);
for (int i = 0; i < order.getLineItems().size(); i++) {
LineItem lineItem = (LineItem) order.getLineItems().get(i);
lineItem.setItem(itemDao.getItem(lineItem.getItemId()));
}
daoManager.commitTransaction();
} finally {
daoManager.endTransaction();
}
return order;
}
public PaginatedList getOrdersByUsername(String username) {
return orderDao.getOrdersByUsername(username);
}
/* SEQUENCE */
public synchronized int getNextId(String key) {
return sequenceDao.getNextId(key);
}
}