petstoreservicebean.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.impl;

import java.util.Collection;

import javax.annotation.EJB;
import javax.ejb.Stateless;

import com.rdacorp.petstore.business.PetStoreService;
import com.rdacorp.petstore.business.dao.AccountDao;
import com.rdacorp.petstore.business.dao.AddressException;
import com.rdacorp.petstore.business.dao.ConcurrentModificationException;
import com.rdacorp.petstore.business.dao.LoginException;
import com.rdacorp.petstore.business.dao.OrderDao;
import com.rdacorp.petstore.business.dao.OrderException;
import com.rdacorp.petstore.business.dao.PasswordException;
import com.rdacorp.petstore.business.dao.ProductDao;
import com.rdacorp.petstore.domain.Account;
import com.rdacorp.petstore.domain.Category;
import com.rdacorp.petstore.domain.CreditCardCompany;
import com.rdacorp.petstore.domain.Item;
import com.rdacorp.petstore.domain.Language;
import com.rdacorp.petstore.domain.Order;
import com.rdacorp.petstore.domain.Product;
import com.rdacorp.petstore.domain.State;
import com.rdacorp.petstore.domain.UserProfile;

/**
 * @author Borys Burnayev
 */
@Stateless(name = "PetStoreService")
public class PetStoreServiceBean implements PetStoreService {
   @EJB(beanName = "AccountDao")
   AccountDao accountDao;

   @EJB(beanName = "OrderDao")
   OrderDao orderDao;

   @EJB(beanName = "ProductDao")
   ProductDao productDao;

   public PetStoreServiceBean() {
   }

   public PetStoreServiceBean(AccountDao accountDao, OrderDao orderDao, ProductDao productDao) {
      this.accountDao = accountDao;
      this.orderDao = orderDao;
      this.productDao = productDao;
   }

   public UserProfile login(String login, String password) throws LoginException, PasswordException {
      return accountDao.login(login, password);
   }

   public Account createAccount(Account account) {
      return accountDao.createAccount(account);
   }

   public Account updateAccount(Account account) {
      return accountDao.updateAccount(account);
   }

   public Collection<State> getStates() {
      return accountDao.getStates();
   }

   public Collection<Language> getLanguages() {
      return accountDao.getLanguages();
   }

   public Account findAccount(String login) {
      return accountDao.findAccount(login);
   }

   public Order placeOrder(Order order) throws AddressException, OrderException, ConcurrentModificationException {
      return orderDao.placeOrder(order);
   }

   public Collection<CreditCardCompany> getCreditCardCompanies() {
      return orderDao.getCreditCardCompanies();
   }

   public Collection<Category> getCategories() {
      return productDao.getCategories();
   }

   public Collection<Product> getProducts(Category category) {
      return productDao.getProducts(category);
   }

   public Collection<Item> getItems(Product product) {
      return productDao.getItems(product);
   }

   public Collection<Product> findProducts(String keyword) {
      return productDao.findProducts(keyword);
   }

   public Category findCategory(String code) {
      return productDao.findCategory(code);
   }

   public Product findProduct(String code) {
      return productDao.findProduct(code);
   }

   public Item findItem(String code) {
      return productDao.findItem(code);
   }
}