content: /*
   * Copyright (c) 2020 Adam Gaj
   *
   * 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
   *
   *     https://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.adgadev.jplusone.test.domain.commerce;
  
  import lombok.RequiredArgsConstructor;
  import lombok.extern.slf4j.Slf4j;
  import org.springframework.stereotype.Service;
  
  import jakarta.persistence.EntityManager;
  import jakarta.transaction.Transactional;
  import java.util.Set;
  
  @Slf4j
  @Service
  @Transactional
  @RequiredArgsConstructor
  class CommerceService {
  
      private final EntityManager entityManager;
  
      public void loadVariousObjects() {
          Client client = entityManager.find(Client.class, 1L);
          User user = client.getUser();
  
          ClientProfile clientProfile = client.getClientProfile();
          clientProfile.getPhotoLink();
          clientProfile.getClient();
  
          Set<Order> orders = client.getOrders();
          Order order = orders.iterator().next();
  
          Set<Product> products = order.getProducts();
          Product product = products.iterator().next();
  
          product.getManufacturer().getName();
          log.info("client: {}", client);
      }
  
  }
  