Package com.google.appengine.datanucleus.test.jpa

Examples of com.google.appengine.datanucleus.test.jpa.Book

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    assertEquals(1, countForClass(Book.class));
  }

  public void testDeleteDoesNotCascade() {
    HasOneToManyListJPA parent = new HasOneToManyListJPA();
    Book b = new Book();
    b.setAuthor("author");
    parent.getBooks().add(b);
    beginTxn();
    em.persist(parent);
    commitTxn();
    assertEquals(1, countForClass(Book.class));
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  }

  private class TransientBookProvider implements BookProvider {

    public Book getBook(Key key) {
      Book b = new Book();
      b.setId(KeyFactory.keyToString(key));
      return b;
    }
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    Query q = em.createQuery(cq);
    List<Book> books = q.getResultList();
    assertNotNull(books);
    assertEquals(2, books.size());
    Book b0 = books.get(0);
    Book b1 = books.get(1);
    assertEquals("Joe Blow", b0.getAuthor());
    assertEquals("Bar Book", b0.getTitle());
    assertEquals("67890", b0.getIsbn());
    assertEquals("Joe Blow", b1.getAuthor());
    assertEquals("Bar Book", b1.getTitle());
    assertEquals("11111", b1.getIsbn());
  }
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  public void testSerializeWithOneToMany_AddChildToUnidirectionalDetached() throws Exception {
    beginTxn();
    HasOneToManyListJPA pojo = new HasOneToManyListJPA();
    pojo.setVal("yar");
    Book b = new Book();
    b.setAuthor("harry");
    pojo.getBooks().add(b);
    em.persist(pojo);
    commitTxn();
    em.close();
    em = emf.createEntityManager();

    pojo = toBytesAndBack(pojo);
    assertEquals("yar", pojo.getVal());
    assertEquals(1, pojo.getBooks().size());
    Book b2 = new Book();
    b2.setAuthor("yar3");
    pojo.getBooks().add(b2);
    // Don't set the parent - this ref won't get updated when we call
    // merge and we'll get an exception.
//    bidir2.setParent(pojo);
    beginTxn();
    pojo = em.merge(pojo);
    commitTxn();
    Entity e = ds.get(KeyFactory.stringToKey(b2.getId()));
    assertEquals(KeyFactory.stringToKey(pojo.getId()), e.getKey().getParent());
  }
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    beginTxn();
    HasGrandchildJPA hasGrandchild = new HasGrandchildJPA();
    HasOneToManySetJPA pojo = new HasOneToManySetJPA();
    hasGrandchild.getYar().add(pojo);
    pojo.setVal("yar");
    Book b = new Book();
    b.setAuthor("harry");
    pojo.getBooks().add(b);
    em.persist(hasGrandchild);
    commitTxn();
    em.close();
    em = emf.createEntityManager();

    hasGrandchild = toBytesAndBack(hasGrandchild);
    pojo = hasGrandchild.getYar().iterator().next();
    assertEquals("yar", pojo.getVal());
    assertEquals(1, pojo.getBooks().size());
    Book b2 = new Book();
    b2.setAuthor("yar3");
    pojo.getBooks().add(b2);
    // Don't set the parent - this ref won't get updated when we call
    // merge and we'll get an exception.
//    bidir2.setParent(pojo);
    beginTxn();
    hasGrandchild = em.merge(hasGrandchild);
    commitTxn();
    Entity e = ds.get(KeyFactory.stringToKey(b2.getId()));
    assertEquals(KeyFactory.stringToKey(pojo.getId()), e.getKey().getParent());
  }
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    HasOneToManyListJPA pojo = new HasOneToManyListJPA();
    pojo.setVal("yar");
    BidirectionalChildListJPA bidir1 = new BidirectionalChildListJPA();
    BidirectionalChildListJPA bidir2 = new BidirectionalChildListJPA();
    bidir2.setChildVal("yam");
    Book b = newBook();
    HasKeyPkJPA hasKeyPk = new HasKeyPkJPA();

    pojo.getBooks().add(b);
    pojo.getHasKeyPks().add(hasKeyPk);
    pojo.getBidirChildren().add(bidir1);
    bidir1.setParent(pojo);

    startEnd.start();
    em.persist(pojo);
    startEnd.end();

    assertCountsInDatastore(HasOneToManyListJPA.class, BidirectionalChildListJPA.class, 1, 1);

    startEnd.start();
    pojo = em.find(pojo.getClass(), pojo.getId());
    String bidir1Id = pojo.getBidirChildren().get(0).getId();
    String bookId = pojo.getBooks().get(0).getId();
    Key hasKeyPk1Key = pojo.getHasKeyPks().get(0).getId();
    pojo.getBidirChildren().set(0, bidir2);

    Book b2 = newBook();
    b2.setTitle("another title");
    pojo.getBooks().set(0, b2);

    HasKeyPkJPA hasKeyPk2 = new HasKeyPkJPA();
    hasKeyPk2.setStr("another str");
    pojo.getHasKeyPks().set(0, hasKeyPk2);
    startEnd.end();

    startEnd.start();
    assertNotNull(pojo.getId());
    assertEquals(1, pojo.getBooks().size());
    assertEquals(1, pojo.getHasKeyPks().size());
    assertEquals(1, pojo.getBidirChildren().size());
    assertNotNull(bidir2.getId());
    assertNotNull(bidir2.getParent());
    assertNotNull(b2.getId());
    assertNotNull(hasKeyPk2.getId());

    Entity pojoEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(pojoEntity);
    assertEquals(4, pojoEntity.getProperties().size());
    assertEquals(Collections.singletonList(KeyFactory.stringToKey(bidir2.getId())), pojoEntity.getProperty("bidirChildren"));
    assertEquals(Collections.singletonList(KeyFactory.stringToKey(b2.getId())), pojoEntity.getProperty("books"));
    assertEquals(Collections.singletonList(hasKeyPk2.getId()), pojoEntity.getProperty("hasKeyPks"));

    startEnd.end();

    try {
      ds.get(KeyFactory.stringToKey(bidir1Id));
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    try {
      ds.get(KeyFactory.stringToKey(bookId));
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    try {
      ds.get(hasKeyPk1Key);
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    Entity bidirChildEntity = ds.get(KeyFactory.stringToKey(bidir2.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidir2.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bidirChildEntity, bidir2.getId());

    Entity bookEntity = ds.get(KeyFactory.stringToKey(b2.getId()));
    assertNotNull(bookEntity);
    assertEquals("max", bookEntity.getProperty("author"));
    assertEquals("22333", bookEntity.getProperty("isbn"));
    assertEquals("another title", bookEntity.getProperty("title"));
    assertEquals(KeyFactory.stringToKey(b2.getId()), bookEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bookEntity, b2.getId());

    Entity hasKeyPkEntity = ds.get(hasKeyPk2.getId());
    assertNotNull(hasKeyPkEntity);
    assertEquals("another str", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk2.getId(), hasKeyPkEntity.getKey());
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    pojo.setVal("yar");
    BidirectionalChildListJPA bidir1 = new BidirectionalChildListJPA();
    BidirectionalChildListJPA bidir2 = new BidirectionalChildListJPA();
    bidir1.setChildVal("yam1");
    bidir2.setChildVal("yam2");
    Book b1 = newBook();
    Book b2 = newBook();
    b2.setTitle("another title");
    HasKeyPkJPA hasKeyPk1 = new HasKeyPkJPA();
    HasKeyPkJPA hasKeyPk2 = new HasKeyPkJPA();
    hasKeyPk2.setStr("yar 2");
    pojo.getBooks().add(b1);
    pojo.getBooks().add(b2);
    pojo.getHasKeyPks().add(hasKeyPk1);
    pojo.getHasKeyPks().add(hasKeyPk2);
    pojo.getBidirChildren().add(bidir1);
    pojo.getBidirChildren().add(bidir2);

    startEnd.start();
    em.persist(pojo);
    startEnd.end();

    assertCountsInDatastore(HasOneToManyListJPA.class, BidirectionalChildListJPA.class, 1, 2);

    String bidir1Id = pojo.getBidirChildren().get(0).getId();
    String bookId = pojo.getBooks().get(0).getId();
    Key hasKeyPk1Key = pojo.getHasKeyPks().get(0).getId();
    pojo.getBidirChildren().remove(0);
    pojo.getBooks().remove(0);
    pojo.getHasKeyPks().remove(0);

    startEnd.start();
    em.merge(pojo);
    startEnd.end();

    startEnd.start();
    pojo = em.find(pojo.getClass(), pojo.getId());
    assertNotNull(pojo.getId());
    assertEquals(1, pojo.getBooks().size());
    assertEquals(1, pojo.getHasKeyPks().size());
    assertEquals(1, pojo.getBidirChildren().size());
    assertNotNull(bidir2.getId());
    assertNotNull(bidir2.getParent());
    assertNotNull(b2.getId());
    assertNotNull(hasKeyPk2.getId());
    assertEquals(bidir2.getId(), pojo.getBidirChildren().get(0).getId());
    assertEquals(hasKeyPk2.getId(), pojo.getHasKeyPks().get(0).getId());
    assertEquals(b2.getId(), pojo.getBooks().get(0).getId());

    Entity pojoEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(pojoEntity);
    assertEquals(4, pojoEntity.getProperties().size());
    assertEquals(Collections.singletonList(KeyFactory.stringToKey(bidir2.getId())), pojoEntity.getProperty("bidirChildren"));
    assertEquals(Collections.singletonList(KeyFactory.stringToKey(b2.getId())), pojoEntity.getProperty("books"));
    assertEquals(Collections.singletonList(hasKeyPk2.getId()), pojoEntity.getProperty("hasKeyPks"));

    startEnd.end();

    try {
      ds.get(KeyFactory.stringToKey(bidir1Id));
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    try {
      ds.get(KeyFactory.stringToKey(bookId));
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    try {
      ds.get(hasKeyPk1Key);
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    Entity bidirChildEntity = ds.get(KeyFactory.stringToKey(bidir2.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yam2", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidir2.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bidirChildEntity, bidir2.getId());

    Entity bookEntity = ds.get(KeyFactory.stringToKey(b2.getId()));
    assertNotNull(bookEntity);
    assertEquals("max", bookEntity.getProperty("author"));
    assertEquals("22333", bookEntity.getProperty("isbn"));
    assertEquals("another title", bookEntity.getProperty("title"));
    assertEquals(KeyFactory.stringToKey(b2.getId()), bookEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bookEntity, b2.getId());

    Entity hasKeyPkEntity = ds.get(hasKeyPk2.getId());
    assertNotNull(hasKeyPkEntity);
    assertEquals("yar 2", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk2.getId(), hasKeyPkEntity.getKey());
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    pojo.setVal("yar");
    BidirectionalChildListJPA bidir1 = new BidirectionalChildListJPA();
    BidirectionalChildListJPA bidir2 = new BidirectionalChildListJPA();
    bidir1.setChildVal("yam1");
    bidir2.setChildVal("yam2");
    Book b1 = newBook();
    Book b2 = newBook();
    b2.setTitle("another title");
    HasKeyPkJPA hasKeyPk1 = new HasKeyPkJPA();
    HasKeyPkJPA hasKeyPk2 = new HasKeyPkJPA();
    hasKeyPk2.setStr("yar 2");
    pojo.getBooks().add(b1);
    pojo.getHasKeyPks().add(hasKeyPk1);
    pojo.getBidirChildren().add(bidir1);

    startEnd.start();
    em.persist(pojo);
    startEnd.end();

    assertCountsInDatastore(HasOneToManyListJPA.class, BidirectionalChildListJPA.class, 1, 1);

    startEnd.start();
    pojo = em.find(pojo.getClass(), pojo.getId());
    String bidir1Id = pojo.getBidirChildren().get(0).getId();
    String bookId = pojo.getBooks().get(0).getId();
    Key hasKeyPk1Key = pojo.getHasKeyPks().get(0).getId();
    pojo.getBidirChildren().add(0, bidir2);
    pojo.getBooks().add(0, b2);
    pojo.getHasKeyPks().add(0, hasKeyPk2);
    startEnd.end();

    startEnd.start();
    assertNotNull(pojo.getId());
    assertEquals(2, pojo.getBooks().size());
    assertEquals(2, pojo.getHasKeyPks().size());
    assertEquals(2, pojo.getBidirChildren().size());
    assertNotNull(bidir2.getId());
    assertNotNull(bidir2.getParent());
    assertNotNull(b2.getId());
    assertNotNull(hasKeyPk2.getId());

    Entity pojoEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(pojoEntity);
    assertEquals(4, pojoEntity.getProperties().size());
    assertEquals(Utils.newArrayList(KeyFactory.stringToKey(bidir2.getId()), KeyFactory.stringToKey(bidir1Id)), pojoEntity.getProperty("bidirChildren"));
    assertEquals(Utils.newArrayList(KeyFactory.stringToKey(b2.getId()), KeyFactory.stringToKey(bookId)), pojoEntity.getProperty("books"));
    assertEquals(Utils.newArrayList(hasKeyPk2.getId(), hasKeyPk1Key), pojoEntity.getProperty("hasKeyPks"));

    startEnd.end();

    ds.get(KeyFactory.stringToKey(bidir1Id));
    ds.get(KeyFactory.stringToKey(bookId));
    ds.get(hasKeyPk1Key);

    Entity bidirChildEntity1 = ds.get(KeyFactory.stringToKey(bidir1Id));
    Entity bidirChildEntity2 = ds.get(KeyFactory.stringToKey(bidir2.getId()));
    assertNotNull(bidirChildEntity2);
    assertEquals("yam2", bidirChildEntity2.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidir2.getId()), bidirChildEntity2.getKey());
    assertKeyParentEquals(pojo.getId(), bidirChildEntity2, bidir2.getId());

    Entity bookEntity1 = ds.get(KeyFactory.stringToKey(bookId));
    Entity bookEntity2 = ds.get(KeyFactory.stringToKey(b2.getId()));
    assertNotNull(bookEntity2);
    assertEquals("max", bookEntity2.getProperty("author"));
    assertEquals("22333", bookEntity2.getProperty("isbn"));
    assertEquals("another title", bookEntity2.getProperty("title"));
    assertEquals(KeyFactory.stringToKey(b2.getId()), bookEntity2.getKey());
    assertKeyParentEquals(pojo.getId(), bookEntity2, b2.getId());

    Entity hasKeyPkEntity1 = ds.get(hasKeyPk1Key);
    Entity hasKeyPkEntity2 = ds.get(hasKeyPk2.getId());
    assertNotNull(hasKeyPkEntity2);
    assertEquals("yar 2", hasKeyPkEntity2.getProperty("str"));
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  }
  private void testInsert_NewParentAndChild_LongPk(StartEnd startEnd) throws Exception {
    BidirectionalChildLongPkListJPA bidirChild = new BidirectionalChildLongPkListJPA();
    bidirChild.setChildVal("yam");

    Book b = newBook();

    HasKeyPkJPA hasKeyPk = new HasKeyPkJPA();
    hasKeyPk.setStr("yag");

    HasOneToManyLongPkListJPA parent = new HasOneToManyLongPkListJPA();
    parent.getBidirChildren().add(bidirChild);
    bidirChild.setParent(parent);
    parent.getBooks().add(b);
    parent.getHasKeyPks().add(hasKeyPk);
    parent.setVal("yar");

    startEnd.start();
    em.persist(parent);
    startEnd.end();

    assertNotNull(bidirChild.getId());
    assertNotNull(b.getId());
    assertNotNull(hasKeyPk.getId());

    Entity bidirChildEntity = ds.get(KeyFactory.stringToKey(bidirChild.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidirChild.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(parent.getClass(), parent.getId(), bidirChildEntity, bidirChild.getId());

    Entity bookEntity = ds.get(KeyFactory.stringToKey(b.getId()));
    assertNotNull(bookEntity);
    assertEquals("max", bookEntity.getProperty("author"));
    assertEquals("22333", bookEntity.getProperty("isbn"));
    assertEquals("yam", bookEntity.getProperty("title"));
    assertEquals(KeyFactory.stringToKey(b.getId()), bookEntity.getKey());
    assertKeyParentEquals(parent.getClass(), parent.getId(), bookEntity, b.getId());

    Entity hasKeyPkEntity = ds.get(hasKeyPk.getId());
    assertNotNull(hasKeyPkEntity);
    assertEquals("yag", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk.getId(), hasKeyPkEntity.getKey());
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  }
  private void testInsert_NewParentAndChild_StringPk(StartEnd startEnd) throws Exception {
    BidirectionalChildStringPkListJPA bidirChild = new BidirectionalChildStringPkListJPA();
    bidirChild.setChildVal("yam");

    Book b = newBook();

    HasKeyPkJPA hasKeyPk = new HasKeyPkJPA();
    hasKeyPk.setStr("yag");

    HasOneToManyStringPkListJPA parent = new HasOneToManyStringPkListJPA();
    parent.setId("yar");
    parent.getBidirChildren().add(bidirChild);
    bidirChild.setParent(parent);
    parent.getBooks().add(b);
    parent.getHasKeyPks().add(hasKeyPk);
    parent.setVal("yar");

    startEnd.start();
    em.persist(parent);
    startEnd.end();

    assertNotNull(bidirChild.getId());
    assertNotNull(b.getId());
    assertNotNull(hasKeyPk.getId());

    Entity bidirChildEntity = ds.get(KeyFactory.stringToKey(bidirChild.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidirChild.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(parent.getClass(), parent.getId(), bidirChildEntity, bidirChild.getId());

    Entity bookEntity = ds.get(KeyFactory.stringToKey(b.getId()));
    assertNotNull(bookEntity);
    assertEquals("max", bookEntity.getProperty("author"));
    assertEquals("22333", bookEntity.getProperty("isbn"));
    assertEquals("yam", bookEntity.getProperty("title"));
    assertEquals(KeyFactory.stringToKey(b.getId()), bookEntity.getKey());
    assertKeyParentEquals(parent.getClass(), parent.getId(), bookEntity, b.getId());

    Entity hasKeyPkEntity = ds.get(hasKeyPk.getId());
    assertNotNull(hasKeyPkEntity);
    assertEquals("yag", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk.getId(), hasKeyPkEntity.getKey());
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