package com.ibatis.jpetstore.service;
import com.ibatis.common.util.PaginatedList;
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;
public class OrderService {
private DaoManager daoManager;
private ItemDao itemDao;
private OrderDao orderDao;
private SequenceDao sequenceDao;
public OrderService() {
daoManager = DaoConfig.getDaoManager();
itemDao = (ItemDao) daoManager.getDao(ItemDao.class);
sequenceDao = (SequenceDao) daoManager.getDao(SequenceDao.class);
orderDao = (OrderDao) daoManager.getDao(OrderDao.class);
}
public OrderService(DaoManager daoManager, ItemDao itemDao, OrderDao orderDao, SequenceDao sequenceDao) {
this.daoManager = daoManager;
this.itemDao = itemDao;
this.orderDao = orderDao;
this.sequenceDao = sequenceDao;
}
public void insertOrder(Order order) {
try {
// Get the next id within a separate transaction
order.setOrderId(getNextId("ordernum"));
daoManager.startTransaction();
itemDao.updateAllQuantitiesFromOrder(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);
}
public int getNextId(String key) {
return sequenceDao.getNextId(key);
}
}