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

Examples of com.google.appengine.datanucleus.test.jdo.UnidirectionalOneToManySubclassesJDO.SuperParentWithSuperChild

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    assertEquals(0, countForClass(superChild.getClass()));
  }

  public void testSuperParentWithSuperChild() throws EntityNotFoundException {
    // insertion
    SuperParentWithSuperChild parent = new SuperParentWithSuperChild();
    parent.setSuperParentString("super parent string");

    SuperChild superChild = new SuperChild();
    superChild.setAString("a string");
    parent.getSuperParentSuperChildren().add(superChild);

    beginTxn();
    pm.makePersistent(parent);
    commitTxn();
    Entity parentEntity =
        ds.get(KeyFactory.createKey(kindForClass(parent.getClass()), parent.getId()));
    Entity superParentSuperChildEntity = ds.get(superChild.getId());
    assertEquals(2, parentEntity.getProperties().size());
    assertEquals("super parent string", parentEntity.getProperty("superParentString"));
    assertEquals(Collections.singletonList(superParentSuperChildEntity.getKey()),
                 parentEntity.getProperty("superChildren"));
    assertEquals(1, superParentSuperChildEntity.getProperties().size());
    assertEquals("a string", superParentSuperChildEntity.getProperty("aString"));

    // lookup
    beginTxn();
    parent = pm.getObjectById(parent.getClass(), parent.getId());
    assertEquals("super parent string", parent.getSuperParentString());
    assertEquals(1, parent.getSuperParentSuperChildren().size());
    assertEquals(superChild.getId(), parent.getSuperParentSuperChildren().get(0).getId());
    commitTxn();

    beginTxn();
    superChild = pm.getObjectById(superChild.getClass(), superChild.getId());
    assertEquals("a string", superChild.getAString());
    commitTxn();

    // cascade delete
    beginTxn();
    pm.deletePersistent(parent);
    commitTxn();

    assertEquals(0, countForClass(parent.getClass()));
    assertEquals(0, countForClass(superChild.getClass()));
  }
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    assertEquals(0, countForClass(parent.getClass()));
    assertEquals(0, countForClass(subChild.getClass()));
  }

  public void testWrongChildType() {
    SuperParentWithSuperChild parent = new SuperParentWithSuperChild();
    parent.setSuperParentString("a string");
    SubChild child = new SubChild();
    parent.getSuperParentSuperChildren().add(child);

    beginTxn();
    try {
      pm.makePersistent(parent);
      fail("expected exception");
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  public void testWrongChildType_Update() throws InstantiationException, IllegalAccessException {
    // need a non-txn datasource so we can access multiple entity groups
    switchDatasource(PersistenceManagerFactoryName.nontransactional);
    SubChild child = SubChild.class.newInstance();
    SuperParentWithSuperChild parent = new SuperParentWithSuperChild();
    parent.setSuperParentString("a string");
    beginTxn();
    pm.makePersistent(parent);
    commitTxn();
    parent = pm.getObjectById(parent.getClass(), parent.getId());

    try {
      parent.getSuperParentSuperChildren().add(child);
      pm.close();
      fail("expected exception");
    } catch (UnsupportedOperationException uoe) {
      // good
    }
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Related Classes of com.google.appengine.datanucleus.test.jdo.UnidirectionalOneToManySubclassesJDO.SuperParentWithSuperChild

  • com.google.appengine.datanucleus.jdo.JDOUnidirectionalOneToManySubclassTest
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