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   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
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   *
   *        http://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.causeway.testdomain.jdo;
  
  import java.util.Set;
  import java.util.SortedSet;
  import java.util.TreeSet;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import org.springframework.stereotype.Service;
  
  import org.apache.causeway.testdomain.fixtures.EntityTestFixtures;
  import org.apache.causeway.testdomain.fixtures.InventoryJaxbVm;
  import org.apache.causeway.testdomain.jdo.entities.JdoBook;
  import org.apache.causeway.testdomain.jdo.entities.JdoInventory;
  import org.apache.causeway.testdomain.jdo.entities.JdoProduct;
  import org.apache.causeway.testdomain.util.dto.BookDto;
  import org.apache.causeway.testdomain.util.dto.IBook;
  
  @Service
  public class JdoTestFixtures extends EntityTestFixtures {
  
      public void addABookTo(final JdoInventory inventory) {
          inventory.getProducts()
          .add(JdoBook.of("Sample Book-1", "A sample book for testing.", 39., "Sample Author", "ISBN-A",
                  "Sample Publisher"));
      }
  
      @Override
      protected Class<? extends InventoryJaxbVm<? extends IBook>> vmClass() {
          return JdoInventoryJaxbVm.class;
      }
  
      // -- HELPER
  
      @Override
      public void clearRepository() {
          repository.allInstances(JdoInventory.class).forEach(repository::remove);
          repository.allInstances(JdoBook.class).forEach(repository::remove);
          repository.allInstances(JdoProduct.class).forEach(repository::remove);
      }
  
      @Override
      public void add3Books() {
  
          // given - expected pre condition: no inventories
          assertEquals(0, repository.allInstances(JdoInventory.class).size());
  
          // setup sample Inventory with 3 Books
          SortedSet<JdoProduct> products = new TreeSet<>();
  
          BookDto.samples()
          .map(JdoBook::fromDto)
          .forEach(products::add);
  
          var inventory = JdoInventory.of("Sample Inventory", products);
          repository.persistAndFlush(inventory);
      }
  
      @Override
      public Object addBook(BookDto bookDto) {
          return repository.persistAndFlush(JdoBook.fromDto(bookDto));
      }
  
      @Override
      public void addInventory(Set<?> books) {
          var inventory = JdoInventory.of("Sample Inventory", (Set<JdoProduct>) books);
          repository.persistAndFlush(inventory);
      }
  
      @Override
      protected void initSchema() {
          interactionService.runAnonymous(()->{
              repository.allInstances(JdoInventory.class);
          });
      }
  
  }
  