productmanagerimpl.java

这是一个基于Java的网络书店系统

package com.netshop.domain.service.impl;

import java.util.List;

import com.netshop.domain.model.Category;
import com.netshop.domain.model.Item;
import com.netshop.domain.model.Product;
import com.netshop.domain.dao.CategoryDao;
import com.netshop.domain.dao.ProductDao;
import com.netshop.domain.dao.ItemDao;
import com.netshop.domain.dao.DAOFactory;
import com.netshop.domain.service.*;

public class ProductManagerImpl implements ProductManager {
    private ProductDao productDao;

    public void setProductDao (ProductDao dao) {
        this.productDao = dao;
    }

    private CategoryDao cateDao = DAOFactory.getInstance().createCategoryDAO();

    private ItemDao itemDao = DAOFactory.getInstance().createItemDAO();

    private ProductDao proDAO = DAOFactory.getInstance().createProductDAO();

    public Category getCategory(int categoryId) {
         return this.cateDao.getCategory(categoryId);
    }

    public List getCategoryList() {
         return this.cateDao.getCategoryList();
    }

    public Item getItem(int itemId) {
        Item item = this.itemDao.getItem(itemId);
        item.setProduct(this.proDAO.getProduct(item.getProductId()));
        return item;
    }

    public List getItemListByProduct(int productId) {
        return this.itemDao.getItemListByProduct(productId);
    }

    public Product getProduct(int productId) {
        return this.getProductDao().getProduct(productId);
    }

    public List getProductListByCategory(int categoryId) {
        return this.proDAO.getProductListByCategory(categoryId);
    }

    public boolean isItemInStock(int itemId) {
        return this.itemDao.isItemInStock(itemId);
    }

    public List searchProductList(String keywords) {
        return this.proDAO.searchProductList(keywords);
    }

	@Override
	public ProductDao getProductDao() {
		return this.productDao;
	}
}