Package com.google.appengine.datanucleus.test.jdo

Examples of com.google.appengine.datanucleus.test.jdo.Flight

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  public void testSerializeWithOneToMany_AddUnidirectionalChildToDetached() throws Exception {
    pm.setDetachAllOnCommit(true);
    beginTxn();
    HasOneToManyListJDO pojo = new HasOneToManyListJDO();
    pojo.setVal("yar");
    Flight flight = new Flight();
    flight.setName("harry");
    pojo.addFlight(flight);
    pm.makePersistent(pojo);
    commitTxn();
    pm.close();
    pm = pmf.getPersistenceManager();

    pojo = toBytesAndBack(pojo);
    assertEquals("yar", pojo.getVal());
    assertEquals(1, pojo.getFlights().size());
    Flight flight2 = new Flight();
    flight2.setName("not harry");
    pojo.addFlight(flight2);
    beginTxn();
    pojo = pm.makePersistent(pojo);
    commitTxn();
    Entity e = ds.get(KeyFactory.stringToKey(flight2.getId()));
    assertEquals(KeyFactory.stringToKey(pojo.getId()), e.getKey().getParent());
  }
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  void testInsert_NewParentAndChild(HasOneToManyJDO parent,
      BidirectionalChildJDO bidirChild, StartEnd startEnd) throws EntityNotFoundException {
    bidirChild.setChildVal("yam");

    Flight f = newFlight();

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

    parent.addBidirChild(bidirChild);
    bidirChild.setParent(parent);
    parent.addFlight(f);
    parent.addHasKeyPk(hasKeyPk);
    parent.setVal("yar");

    startEnd.start();
    pm.makePersistent(parent);
    startEnd.end();

    assertNotNull(bidirChild.getId());
    assertNotNull(f.getId());
    assertNotNull(hasKeyPk.getKey());

    Entity bidirChildEntity = ds.get(KeyFactory.stringToKey(bidirChild.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidirChild.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(parent.getId(), bidirChildEntity, bidirChild.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, bidirChildEntity.getProperty("bidirChildren_INTEGER_IDX"));
    }

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f.getId()));
    assertNotNull(flightEntity);
    assertEquals("bos", flightEntity.getProperty("origin"));
    assertEquals("mia", flightEntity.getProperty("dest"));
    assertEquals("jimmy", flightEntity.getProperty("name"));
    assertEquals(KeyFactory.stringToKey(f.getId()), flightEntity.getKey());
    assertKeyParentEquals(parent.getId(), flightEntity, f.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk.getKey());
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    startEnd.end();

    startEnd.start();
    pojo = pm.makePersistent(pojo);
    assertEquals("yar", pojo.getVal());
    Flight f = newFlight();
    pojo.addFlight(f);

    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();
    hasKeyPk.setStr("yag");
    pojo.addHasKeyPk(hasKeyPk);
    bidirChild.setChildVal("yam");
    pojo.addBidirChild(bidirChild);
    startEnd.end();

    startEnd.start();
    assertNotNull(bidirChild.getId());
    assertNotNull(bidirChild.getParent());
    assertNotNull(f.getId());
    assertNotNull(hasKeyPk.getKey());
    startEnd.end();
   
    Entity bidirChildEntity = ds.get(KeyFactory.stringToKey(bidirChild.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidirChild.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bidirChildEntity, bidirChild.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, bidirChildEntity.getProperty("bidirChildren_INTEGER_IDX"));
    }

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f.getId()));
    assertNotNull(flightEntity);
    assertEquals("bos", flightEntity.getProperty("origin"));
    assertEquals("mia", flightEntity.getProperty("dest"));
    assertEquals("jimmy", flightEntity.getProperty("name"));
    assertEquals(KeyFactory.stringToKey(f.getId()), flightEntity.getKey());
    assertKeyParentEquals(pojo.getId(), flightEntity, f.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk.getKey());
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  void testSwapAtPosition(HasOneToManyJDO pojo,
      BidirectionalChildJDO bidir1,
      BidirectionalChildJDO bidir2, StartEnd startEnd) throws EntityNotFoundException {
    pojo.setVal("yar");
    bidir2.setChildVal("yam");
    Flight f = newFlight();
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();

    pojo.addFlight(f);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addBidirChild(bidir1);
    bidir1.setParent(pojo);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();

    assertCountsInDatastore(pojo.getClass(), bidir1.getClass(), 1, 1);

    startEnd.start();
    pojo = pm.getObjectById(pojo.getClass(), pojo.getId());
    String bidir1Id = pojo.getBidirChildren().iterator().next().getId();
    String flight1Id = pojo.getFlights().iterator().next().getId();
    Key hasKeyPk1Key = pojo.getHasKeyPks().iterator().next().getKey();
    pojo.addBidirChildAtPosition(bidir2, 0);

    Flight f2 = newFlight();
    f2.setName("another name");
    pojo.addFlightAtPosition(f2, 0);

    HasKeyPkJDO hasKeyPk2 = new HasKeyPkJDO();
    hasKeyPk2.setStr("another str");
    pojo.addHasKeyPkAtPosition(hasKeyPk2, 0);
    startEnd.end();

    startEnd.start();
    pojo = pm.getObjectById(pojo.getClass(), pojo.getId());
    assertNotNull(pojo.getId());
    assertEquals(1, pojo.getFlights().size());
    assertEquals(1, pojo.getHasKeyPks().size());
    assertEquals(1, pojo.getBidirChildren().size());
    assertNotNull(bidir2.getId());
    assertNotNull(bidir2.getParent());
    assertNotNull(f2.getId());
    assertNotNull(hasKeyPk2.getKey());

    Entity pojoEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(pojoEntity);
    assertEquals(4, pojoEntity.getProperties().size());
    assertEquals(Utils.newArrayList(KeyFactory.stringToKey(bidir2.getId())), pojoEntity.getProperty("bidirChildren"));
    assertEquals(Utils.newArrayList(KeyFactory.stringToKey(f2.getId())), pojoEntity.getProperty("flights"));
    assertEquals(Utils.newArrayList(hasKeyPk2.getKey()), pojoEntity.getProperty("hasKeyPks"));

    startEnd.end();

    try {
      ds.get(KeyFactory.stringToKey(bidir1Id));
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    try {
      ds.get(KeyFactory.stringToKey(flight1Id));
      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());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, bidirChildEntity.getProperty("bidirChildren_INTEGER_IDX"));
    }

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f2.getId()));
    assertNotNull(flightEntity);
    assertEquals("bos", flightEntity.getProperty("origin"));
    assertEquals("mia", flightEntity.getProperty("dest"));
    assertEquals("another name", flightEntity.getProperty("name"));
    assertEquals(KeyFactory.stringToKey(f2.getId()), flightEntity.getKey());
    assertKeyParentEquals(pojo.getId(), flightEntity, f2.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk2.getKey());
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      BidirectionalChildJDO bidir2,
      BidirectionalChildJDO bidir3, StartEnd startEnd) throws EntityNotFoundException {
    pojo.setVal("yar");
    bidir2.setChildVal("another yam");
    bidir3.setChildVal("yet another yam");
    Flight f = newFlight();
    Flight f2 = newFlight();
    Flight f3 = newFlight();
    f2.setName("another name");
    f3.setName("yet another name");
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();
    HasKeyPkJDO hasKeyPk2 = new HasKeyPkJDO();
    HasKeyPkJDO hasKeyPk3 = new HasKeyPkJDO();
    hasKeyPk2.setStr("another str");
    hasKeyPk3.setStr("yet another str");

    pojo.addFlight(f);
    pojo.addFlight(f2);
    pojo.addFlight(f3);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addHasKeyPk(hasKeyPk2);
    pojo.addHasKeyPk(hasKeyPk3);
    pojo.addBidirChild(bidir1);
    pojo.addBidirChild(bidir2);
    pojo.addBidirChild(bidir3);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();

    assertCountsInDatastore(pojo.getClass(), bidir1.getClass(), 1, 3);

    startEnd.start();
    pojo = pm.getObjectById(pojo.getClass(), pojo.getId());
    String bidir1Id = pojo.getBidirChildren().iterator().next().getId();
    String flight1Id = pojo.getFlights().iterator().next().getId();
    Key hasKeyPk1Key = pojo.getHasKeyPks().iterator().next().getKey();
    pojo.removeBidirChildAtPosition(0);
    pojo.removeFlightAtPosition(0);
    pojo.removeHasKeyPkAtPosition(0);
    startEnd.end();

    startEnd.start();
    assertNotNull(pojo.getId());
    assertEquals(2, pojo.getFlights().size());
    assertEquals(2, pojo.getHasKeyPks().size());
    assertEquals(2, pojo.getBidirChildren().size());

    Entity pojoEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(pojoEntity);
    assertEquals(4, pojoEntity.getProperties().size());
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(bidir2.getId()),
        KeyFactory.stringToKey(bidir3.getId())), pojoEntity.getProperty("bidirChildren"));
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(f2.getId()),
        KeyFactory.stringToKey(f3.getId())), pojoEntity.getProperty("flights"));
    assertEquals(Utils.newArrayList(
        hasKeyPk2.getKey(),
        hasKeyPk3.getKey()), pojoEntity.getProperty("hasKeyPks"));

    startEnd.end();

    try {
      ds.get(KeyFactory.stringToKey(bidir1Id));
      fail("expected EntityNotFoundException");
    } catch (EntityNotFoundException enfe) {
      // good
    }
    try {
      ds.get(KeyFactory.stringToKey(flight1Id));
      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("another yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidir2.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bidirChildEntity, bidir2.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, bidirChildEntity.getProperty("bidirChildren_INTEGER_IDX"));
    }

    bidirChildEntity = ds.get(KeyFactory.stringToKey(bidir3.getId()));
    assertNotNull(bidirChildEntity);
    assertEquals("yet another yam", bidirChildEntity.getProperty("childVal"));
    assertEquals(KeyFactory.stringToKey(bidir3.getId()), bidirChildEntity.getKey());
    assertKeyParentEquals(pojo.getId(), bidirChildEntity, bidir2.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(1L, bidirChildEntity.getProperty("bidirChildren_INTEGER_IDX"));
    }

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f2.getId()));
    assertNotNull(flightEntity);
    assertEquals("bos", flightEntity.getProperty("origin"));
    assertEquals("mia", flightEntity.getProperty("dest"));
    assertEquals("another name", flightEntity.getProperty("name"));
    assertEquals(KeyFactory.stringToKey(f2.getId()), flightEntity.getKey());
    assertKeyParentEquals(pojo.getId(), flightEntity, f2.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    flightEntity = ds.get(KeyFactory.stringToKey(f3.getId()));
    assertNotNull(flightEntity);
    assertEquals("bos", flightEntity.getProperty("origin"));
    assertEquals("mia", flightEntity.getProperty("dest"));
    assertEquals("yet another name", flightEntity.getProperty("name"));
    assertEquals(KeyFactory.stringToKey(f3.getId()), flightEntity.getKey());
    assertKeyParentEquals(pojo.getId(), flightEntity, f2.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(1L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk2.getKey());
    assertNotNull(hasKeyPkEntity);
    assertEquals("another str", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk2.getKey(), hasKeyPkEntity.getKey());
    assertKeyParentEquals(pojo.getId(), hasKeyPkEntity, hasKeyPk2.getKey());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, hasKeyPkEntity.getProperty("hasKeyPks_INTEGER_IDX"));
    }

    hasKeyPkEntity = ds.get(hasKeyPk3.getKey());
    assertNotNull(hasKeyPkEntity);
    assertEquals("yet another str", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk3.getKey(), hasKeyPkEntity.getKey());
    assertKeyParentEquals(pojo.getId(), hasKeyPkEntity, hasKeyPk2.getKey());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(1L, hasKeyPkEntity.getProperty("hasKeyPks_INTEGER_IDX"));
    }

    Entity parentEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(parentEntity);
    assertEquals(4, parentEntity.getProperties().size());
    assertEquals("yar", parentEntity.getProperty("val"));
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(bidir2.getId()),
        KeyFactory.stringToKey(bidir3.getId())), parentEntity.getProperty("bidirChildren"));
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(f2.getId()),
        KeyFactory.stringToKey(f3.getId())), parentEntity.getProperty("flights"));
    assertEquals(Utils.newArrayList(
        hasKeyPk2.getKey(),
        hasKeyPk3.getKey()), parentEntity.getProperty("hasKeyPks"));

    assertCountsInDatastore(pojo.getClass(), bidir2.getClass(), 1, 2);
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  void testAddAtPosition(HasOneToManyJDO pojo,
      BidirectionalChildJDO bidir1,
      BidirectionalChildJDO bidir2, StartEnd startEnd) throws EntityNotFoundException {
    pojo.setVal("yar");
    bidir2.setChildVal("yam");
    Flight f = newFlight();
    Flight f2 = newFlight();
    f2.setName("another name");
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();
    HasKeyPkJDO hasKeyPk2 = new HasKeyPkJDO();
    hasKeyPk2.setStr("another str");

    pojo.addFlight(f);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addBidirChild(bidir1);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();

    assertCountsInDatastore(pojo.getClass(), bidir1.getClass(), 1, 1);

    startEnd.start();
    pojo = pm.getObjectById(pojo.getClass(), pojo.getId());
    String bidir1Id = pojo.getBidirChildren().iterator().next().getId();
    String flight1Id = pojo.getFlights().iterator().next().getId();
    Key hasKeyPk1Key = pojo.getHasKeyPks().iterator().next().getKey();
    pojo.addAtPosition(0, bidir2);
    pojo.addAtPosition(0, f2);
    pojo.addAtPosition(0, hasKeyPk2);
    startEnd.end();

    startEnd.start();
    pojo = pm.getObjectById(pojo.getClass(), pojo.getId());
    assertNotNull(pojo.getId());
    assertEquals(2, pojo.getFlights().size());
    assertEquals(2, pojo.getHasKeyPks().size());
    assertEquals(2, pojo.getBidirChildren().size());
    assertNotNull(bidir2.getId());
    assertNotNull(bidir2.getParent());
    assertNotNull(f2.getId());
    assertNotNull(hasKeyPk2.getKey());

    Entity pojoEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(pojoEntity);
    assertEquals(4, pojoEntity.getProperties().size());
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(bidir2.getId()),
        KeyFactory.stringToKey(bidir1.getId())), pojoEntity.getProperty("bidirChildren"));
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(f2.getId()),
        KeyFactory.stringToKey(f.getId())), pojoEntity.getProperty("flights"));
    assertEquals(Utils.newArrayList(
        hasKeyPk2.getKey(),
        hasKeyPk.getKey()), pojoEntity.getProperty("hasKeyPks"));

    startEnd.end();

    ds.get(KeyFactory.stringToKey(bidir1Id));
    ds.get(KeyFactory.stringToKey(flight1Id));
    ds.get(hasKeyPk1Key);
    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());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, bidirChildEntity.getProperty("bidirChildren_INTEGER_IDX"));
    }

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f2.getId()));
    assertNotNull(flightEntity);
    assertEquals("bos", flightEntity.getProperty("origin"));
    assertEquals("mia", flightEntity.getProperty("dest"));
    assertEquals("another name", flightEntity.getProperty("name"));
    assertEquals(KeyFactory.stringToKey(f2.getId()), flightEntity.getKey());
    assertKeyParentEquals(pojo.getId(), flightEntity, f2.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk2.getKey());
    assertNotNull(hasKeyPkEntity);
    assertEquals("another str", hasKeyPkEntity.getProperty("str"));
    assertEquals(hasKeyPk2.getKey(), hasKeyPkEntity.getKey());
    assertKeyParentEquals(pojo.getId(), hasKeyPkEntity, hasKeyPk2.getKey());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, hasKeyPkEntity.getProperty("hasKeyPks_INTEGER_IDX"));
    }

    Entity parentEntity = ds.get(KeyFactory.stringToKey(pojo.getId()));
    assertNotNull(parentEntity);
    assertEquals(4, parentEntity.getProperties().size());
    assertEquals("yar", parentEntity.getProperty("val"));
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(bidir2.getId()),
        KeyFactory.stringToKey(bidir1.getId())), parentEntity.getProperty("bidirChildren"));
    assertEquals(Utils.newArrayList(
        KeyFactory.stringToKey(f2.getId()),
        KeyFactory.stringToKey(f.getId())), parentEntity.getProperty("flights"));
    assertEquals(Utils.newArrayList(
        hasKeyPk2.getKey(),
        hasKeyPk.getKey()), parentEntity.getProperty("hasKeyPks"));
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    assertCountsInDatastore(pojo.getClass(), bidir2.getClass(), 1, 2);
  }

  void testUpdate_UpdateChildWithMerge(HasOneToManyJDO pojo,
      BidirectionalChildJDO bidir, StartEnd startEnd) throws EntityNotFoundException {
    Flight f = newFlight();
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();

    pojo.addFlight(f);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addBidirChild(bidir);
    bidir.setParent(pojo);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();

    assertNotNull(f.getId());
    assertNotNull(hasKeyPk.getKey());
    assertNotNull(bidir.getId());
    assertNotNull(pojo.getId());

    startEnd.start();
    f.setOrigin("yam");
    hasKeyPk.setStr("yar");
    bidir.setChildVal("yap");
    pm.makePersistent(pojo);
    startEnd.end();

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f.getId()));
    assertNotNull(flightEntity);
    assertEquals("yam", flightEntity.getProperty("origin"));
    assertKeyParentEquals(pojo.getId(), flightEntity, f.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk.getKey());
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    assertCountsInDatastore(pojo.getClass(), bidir.getClass(), 1, 1);
  }

  void testUpdate_UpdateChild(HasOneToManyJDO pojo,
      BidirectionalChildJDO bidir, StartEnd startEnd) throws EntityNotFoundException {
    Flight f = newFlight();
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();

    pojo.addFlight(f);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addBidirChild(bidir);
    bidir.setParent(pojo);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();

    assertNotNull(f.getId());
    assertNotNull(hasKeyPk.getKey());
    assertNotNull(bidir.getId());
    assertNotNull(pojo.getId());

    startEnd.start();
    pojo = pm.getObjectById(pojo.getClass(), pojo.getId());
    pojo.getFlights().iterator().next().setOrigin("yam");
    pojo.getHasKeyPks().iterator().next().setStr("yar");
    pojo.getBidirChildren().iterator().next().setChildVal("yap");
    startEnd.end();

    Entity flightEntity = ds.get(KeyFactory.stringToKey(f.getId()));
    assertNotNull(flightEntity);
    assertEquals("yam", flightEntity.getProperty("origin"));
    assertKeyParentEquals(pojo.getId(), flightEntity, f.getId());
    if (isIndexed() && getStorageVersion(pm) == StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN) {
      assertEquals(0L, flightEntity.getProperty("flights_INTEGER_IDX"));
    }

    Entity hasKeyPkEntity = ds.get(hasKeyPk.getKey());
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    assertCountsInDatastore(pojo.getClass(), bidir.getClass(), 1, 1);
  }

  void testUpdate_NullOutChildren(HasOneToManyJDO pojo,
    BidirectionalChildJDO bidir, StartEnd startEnd) throws EntityNotFoundException {
    Flight f = newFlight();
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();

    pojo.addFlight(f);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addBidirChild(bidir);
    bidir.setParent(pojo);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();

    assertCountsInDatastore(pojo.getClass(), bidir.getClass(), 1, 1);

    startEnd.start();
    String flightId = f.getId();
    Key hasKeyPkKey = hasKeyPk.getKey();
    String bidirChildId = bidir.getId();

    pojo.nullFlights();
    pojo.nullHasKeyPks();
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    assertCountsInDatastore(pojo.getClass(), bidir.getClass(), 1, 0);
  }

  void testUpdate_ClearOutChildren(HasOneToManyJDO pojo,
      BidirectionalChildJDO bidir, StartEnd startEnd) throws EntityNotFoundException {
    Flight f = newFlight();
    HasKeyPkJDO hasKeyPk = new HasKeyPkJDO();

    pojo.addFlight(f);
    pojo.addHasKeyPk(hasKeyPk);
    pojo.addBidirChild(bidir);
    bidir.setParent(pojo);

    startEnd.start();
    pm.makePersistent(pojo);
    startEnd.end();
    String flightId = f.getId();
    Key hasKeyPkId = hasKeyPk.getKey();
    String bidirChildId = bidir.getId();
    assertCountsInDatastore(pojo.getClass(), bidir.getClass(), 1, 1);

    startEnd.start();
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