productdao.java

Java EE 5 许多新功能都包含经过修补的 EJB 架构

/*
 * Copyright 2006 Borys Burnayev
 * 
 * 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.rdacorp.petstore.business.dao;

import java.util.Collection;

import com.rdacorp.petstore.domain.Category;
import com.rdacorp.petstore.domain.Item;
import com.rdacorp.petstore.domain.Product;

/**
 * @author Borys Burnayev
 */
public interface ProductDao {
   public Collection<Category> getCategories();

   public Collection<Product> getProducts(Category category);

   public Collection<Item> getItems(Product product);

   public Collection<Product> findProducts(String keyword);

   public Category findCategory(String code);

   public Product findProduct(String code);

   public Item findItem(String code);
}