org.springframework.data.domain.ExampleMatcher Java Examples

@Test
public void findAllSortByExampleTest() {
	final List<Customer> toBeRetrieved = new LinkedList<>();
	toBeRetrieved.add(new Customer("A", "Z", 0));
	toBeRetrieved.add(new Customer("B", "C", 0));
	toBeRetrieved.add(new Customer("B", "D", 0));
	repository.saveAll(toBeRetrieved);
	repository.save(new Customer("A", "A", 1));
	final Example<Customer> example = Example.of(new Customer("", "", 0),
		ExampleMatcher.matchingAny().withIgnoreNullValues().withIgnorePaths(new String[] { "location", "alive" }));
	final List<Sort.Order> orders = new LinkedList<>();
	orders.add(new Sort.Order(Sort.Direction.ASC, "name"));
	orders.add(new Sort.Order(Sort.Direction.ASC, "surname"));
	final Sort sort = Sort.by(orders);
	final Iterable<Customer> retrieved = repository.findAll(example, sort);
	assertTrue(equals(toBeRetrieved, retrieved, cmp, eq, true));
}
 

@Test
public void endingWithByExampleNestedTest() {
	final List<Customer> toBeRetrieved = new LinkedList<>();
	final Customer check = new Customer("Abba", "Bbaaaa", 100);
	final Customer nested = new Customer("$B*\\wa?[a.b]baaa", "", 67);
	final Customer nested2 = new Customer("qwerty", "", 10);
	nested2.setAddress(new Address("123456"));
	nested.setNestedCustomer(nested2);
	check.setNestedCustomer(nested);
	toBeRetrieved.add(check);
	toBeRetrieved.add(new Customer("B", "", 43));
	toBeRetrieved.add(new Customer("C", "", 76));
	repository.saveAll(toBeRetrieved);
	final Customer exampleCustomer = new Customer("Abba", "Bbaaaa", 100);
	final Customer nested3 = new Customer("B*\\wa?[a.b]baAa", null, 66);
	nested3.setNestedCustomer(nested2);
	exampleCustomer.setNestedCustomer(nested3);
	final Example<Customer> example = Example.of(exampleCustomer,
		ExampleMatcher.matching().withMatcher("nestedCustomer.name", match -> match.endsWith())
				.withIgnoreCase("nestedCustomer.name").withIgnoreNullValues()
				.withTransformer("nestedCustomer.age", o -> Optional.of(Integer.valueOf(o.get().toString()) + 1)));
	final Customer retrieved = repository.findOne(example).get();
	assertEquals(check, retrieved);
}
 

private <T> void validateExample(Example<T> example) {
	Assert.notNull(example, "A non-null example is expected");

	ExampleMatcher matcher = example.getMatcher();
	if (!matcher.isAllMatching()) {
		throw new DatastoreDataException("Unsupported MatchMode. Only MatchMode.ALL is supported");
	}
	if (matcher.isIgnoreCaseEnabled()) {
		throw new DatastoreDataException("Ignore case matching is not supported");
	}
	if (!(matcher.getDefaultStringMatcher() == ExampleMatcher.StringMatcher.EXACT
			|| matcher.getDefaultStringMatcher() == ExampleMatcher.StringMatcher.DEFAULT)) {
		throw new DatastoreDataException("Unsupported StringMatcher. Only EXACT and DEFAULT are supported");
	}

	Optional<String> path =
			example.getMatcher().getIgnoredPaths().stream().filter((s) -> s.contains(".")).findFirst();
	if (path.isPresent()) {
		throw new DatastoreDataException("Ignored paths deeper than 1 are not supported");
	}
	if (matcher.getPropertySpecifiers().hasValues()) {
		throw new DatastoreDataException("Property matchers are not supported");
	}
}
 

@Test
public void givenPassengers_whenFindByIgnoringMatcher_thenExpectedReturned() {
    Passenger jill = Passenger.from("Jill", "Smith", 50);
    Passenger eve = Passenger.from("Eve", "Jackson", 95);
    Passenger fred = Passenger.from("Fred", "Bloggs", 22);
    Passenger siya = Passenger.from("Siya", "Kolisi", 85);
    Passenger ricki = Passenger.from("Ricki", "Bobbie", 36);

    ExampleMatcher ignoringExampleMatcher = ExampleMatcher.matchingAny().withMatcher("lastName",
        ExampleMatcher.GenericPropertyMatchers.startsWith().ignoreCase()).withIgnorePaths("firstName", "seatNumber");

    Example<Passenger> example = Example.of(Passenger.from(null, "b", null),
        ignoringExampleMatcher);

    List<Passenger> passengers = repository.findAll(example);

    assertThat(passengers, contains(fred, ricki));
    assertThat(passengers, not(contains(jill)));
    assertThat(passengers, not(contains(eve)));
    assertThat(passengers, not(contains(siya)));
}
 

@Test
public void exampleWithRefPropertyTest() {

	ShoppingCart shoppingCart = new ShoppingCart();
	shoppingCartRepository.save(shoppingCart);

	Customer customer = new Customer("Dhiren", "Upadhyay", 28);
	customer.setShoppingCart(shoppingCart);
	repository.save(customer);

	Customer customer1 = new Customer();
	customer1.setShoppingCart(shoppingCart);
	ExampleMatcher exampleMatcher = ExampleMatcher.matching().withIgnorePaths("age", "location", "alive");
	Example<Customer> example = Example.of(customer1, exampleMatcher);

	final Customer retrieved = repository.findOne(example).orElse(null);
	assertEquals(customer, retrieved);
}
 

@Test
public void endingWithByExampleNestedIncludeNullTest() {
	final List<Customer> toBeRetrieved = new LinkedList<>();
	final Customer check = new Customer("Abba", "Bbaaaa", 100);
	final Customer nested = new Customer("$B*\\wa?[a.b]baaa", "", 67);
	final Customer nested2 = new Customer("qwerty", "", 10);
	nested2.setAddress(new Address("123456"));
	nested.setNestedCustomer(nested2);
	check.setNestedCustomer(nested);
	toBeRetrieved.add(check);
	toBeRetrieved.add(new Customer("B", "", 43));
	toBeRetrieved.add(new Customer("C", "", 76));
	repository.saveAll(toBeRetrieved);
	final Customer exampleCustomer = new Customer("Abba", "Bbaaaa", 100);
	final Customer nested3 = new Customer("B*\\wa?[a.b]baAa", "", 66);
	nested3.setNestedCustomer(nested2);
	exampleCustomer.setNestedCustomer(nested3);
	final Example<Customer> example = Example.of(exampleCustomer,
		ExampleMatcher.matching().withMatcher("nestedCustomer.name", match -> match.endsWith())
				.withIgnorePaths(new String[] { "arangoId", "id", "key", "rev" })
				.withIgnoreCase("nestedCustomer.name").withIncludeNullValues()
				.withTransformer("nestedCustomer.age", o -> Optional.of(Integer.valueOf(o.get().toString()) + 1)));
	final Customer retrieved = repository.findOne(example).get();
	assertEquals(check, retrieved);
}
 

public Address validateAddress(AddressDTO addressDTO) {

        Address addressToSearch = new Address(addressDTO.getCountry(), addressDTO.getCity(), addressDTO.getPostcode(),
            addressDTO.getStreet(), addressDTO.getStreetNumber());

        //@formatter:off
        ExampleMatcher matcher =
            ExampleMatcher.matching()
                    .withMatcher("country", startsWith().ignoreCase())
                    .withMatcher("postcode", startsWith().ignoreCase())
                    .withMatcher("street", contains().ignoreCase())
                    .withMatcher("streetNumber", contains().ignoreCase())
                    .withMatcher("city", contains().ignoreCase());

        //@formatter:on
        Example<Address> searchExample = Example.of(addressToSearch, matcher);

        return addressRepository.findOne(searchExample);

    }
 

@Test
public void testExample() {

    UserEntity admin = new UserEntity();
    admin.setUserName("example");
    admin.setLoginName("example");
    admin.setPassword(BCryptPassWordUtils.encode("example"));
    admin.setEmail("[email protected]");

    ExampleMatcher matcher = ExampleMatcher.matching()
            .withMatcher("userName", endsWith())
            .withMatcher("loginName", startsWith().ignoreCase());

    Example<UserEntity> example = Example.of(admin, matcher);

    MyFastJsonUtils.prettyPrint(userRepository.findAll(example));
    System.out.println(userRepository.count(example));

}
 

@Transactional(readOnly = true)
public PageResponse<UseCase1DTO> findAll(PageRequestByExample<UseCase1DTO> req) {
    Example<UseCase1> example = null;
    UseCase1 useCase1 = toEntity(req.example);

    if (useCase1 != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(UseCase1_.dummy.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(useCase1, matcher);
    }

    Page<UseCase1> page;
    if (example != null) {
        page = useCase1Repository.findAll(example, req.toPageable());
    } else {
        page = useCase1Repository.findAll(req.toPageable());
    }

    List<UseCase1DTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Transactional(readOnly = true)
public PageResponse<RoleDTO> findAll(PageRequestByExample<RoleDTO> req) {
    Example<Role> example = null;
    Role role = toEntity(req.example);

    if (role != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(Role_.roleName.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(role, matcher);
    }

    Page<Role> page;
    if (example != null) {
        page = roleRepository.findAll(example, req.toPageable());
    } else {
        page = roleRepository.findAll(req.toPageable());
    }

    List<RoleDTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Transactional(readOnly = true)
public PageResponse<UseCase3DTO> findAll(PageRequestByExample<UseCase3DTO> req) {
    Example<UseCase3> example = null;
    UseCase3 useCase3 = toEntity(req.example);

    if (useCase3 != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(UseCase3_.dummy.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(useCase3, matcher);
    }

    Page<UseCase3> page;
    if (example != null) {
        page = useCase3Repository.findAll(example, req.toPageable());
    } else {
        page = useCase3Repository.findAll(req.toPageable());
    }

    List<UseCase3DTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Transactional(readOnly = true)
public PageResponse<BookDTO> findAll(PageRequestByExample<BookDTO> req) {
    Example<Book> example = null;
    Book book = toEntity(req.example);

    if (book != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(Book_.title.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(Book_.summary.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(book, matcher);
    }

    Page<Book> page;
    if (example != null) {
        page = bookRepository.findAll(example, req.toPageable());
    } else {
        page = bookRepository.findAll(req.toPageable());
    }

    List<BookDTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Test
public void countByExampleTest() {
	final List<Customer> toBeRetrieved = new LinkedList<>();
	toBeRetrieved.add(new Customer("A", "Z", 0));
	toBeRetrieved.add(new Customer("B", "X", 0));
	toBeRetrieved.add(new Customer("B", "Y", 0));
	toBeRetrieved.add(new Customer("C", "V", 0));
	toBeRetrieved.add(new Customer("D", "T", 0));
	toBeRetrieved.add(new Customer("D", "U", 0));
	toBeRetrieved.add(new Customer("E", "S", 0));
	toBeRetrieved.add(new Customer("F", "P", 0));
	toBeRetrieved.add(new Customer("F", "Q", 0));
	toBeRetrieved.add(new Customer("F", "R", 0));
	repository.saveAll(toBeRetrieved);
	final Example<Customer> example = Example.of(new Customer("", "", 0),
		ExampleMatcher.matchingAny().withIgnoreNullValues().withIgnorePaths(new String[] { "location", "alive" }));
	final long size = repository.count(example);
	assertTrue(size == toBeRetrieved.size());
}
 

@Transactional(readOnly = true)
public PageResponse<ProjectDTO> findAll(PageRequestByExample<ProjectDTO> req) {
    Example<Project> example = null;
    Project project = toEntity(req.example);

    if (project != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(Project_.name.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(Project_.url.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(project, matcher);
    }

    Page<Project> page;
    if (example != null) {
        page = projectRepository.findAll(example, req.toPageable());
    } else {
        page = projectRepository.findAll(req.toPageable());
    }

    List<ProjectDTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Transactional(readOnly = true)
public PageResponse<AuthorDTO> findAll(PageRequestByExample<AuthorDTO> req) {
    Example<Author> example = null;
    Author author = toEntity(req.example);

    if (author != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(Author_.lastName.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(Author_.firstName.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(Author_.email.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(author, matcher);
    }

    Page<Author> page;
    if (example != null) {
        page = authorRepository.findAll(example, req.toPageable());
    } else {
        page = authorRepository.findAll(req.toPageable());
    }

    List<AuthorDTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Transactional(readOnly = true)
public PageResponse<UserDTO> findAll(PageRequestByExample<UserDTO> req) {
    Example<User> example = null;
    User user = toEntity(req.example);

    if (user != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(User_.login.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(User_.email.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(User_.firstName.getName(), match -> match.ignoreCase().startsWith())
                .withMatcher(User_.lastName.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(user, matcher);
    }

    Page<User> page;
    if (example != null) {
        page = userRepository.findAll(example, req.toPageable());
    } else {
        page = userRepository.findAll(req.toPageable());
    }

    List<UserDTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Transactional(readOnly = true)
public PageResponse<PassportDTO> findAll(PageRequestByExample<PassportDTO> req) {
    Example<Passport> example = null;
    Passport passport = toEntity(req.example);

    if (passport != null) {
        ExampleMatcher matcher = ExampleMatcher.matching() //
                .withMatcher(Passport_.passportNumber.getName(), match -> match.ignoreCase().startsWith());

        example = Example.of(passport, matcher);
    }

    Page<Passport> page;
    if (example != null) {
        page = passportRepository.findAll(example, req.toPageable());
    } else {
        page = passportRepository.findAll(req.toPageable());
    }

    List<PassportDTO> content = page.getContent().stream().map(this::toDTO).collect(Collectors.toList());
    return new PageResponse<>(page.getTotalPages(), page.getTotalElements(), content);
}
 

@Test
public void startingWithByExampleTest() {
	final List<Customer> toBeRetrieved = new LinkedList<>();
	final Customer check = new Customer("Abba", "Bbaaaa", 100);
	toBeRetrieved.add(check);
	toBeRetrieved.add(new Customer("Baabba", "", 67));
	toBeRetrieved.add(new Customer("B", "", 43));
	toBeRetrieved.add(new Customer("C", "", 76));
	repository.saveAll(toBeRetrieved);
	final Example<Customer> example = Example.of(new Customer(null, "bb", 100), ExampleMatcher.matching()
			.withMatcher("surname", match -> match.startsWith()).withIgnoreCase("surname").withIgnoreNullValues());
	final Customer retrieved = repository.findOne(example).get();
	assertEquals(check, retrieved);
}
 

@Test
public void queryByExampleExactMatchTest() {
	this.expectedEx.expect(DatastoreDataException.class);
	this.expectedEx.expectMessage("Unsupported StringMatcher. Only EXACT and DEFAULT are supported");

	this.datastoreTemplate.queryByExample(
			Example.of(new SimpleTestEntity(),
					ExampleMatcher.matching().withStringMatcher(ExampleMatcher.StringMatcher.REGEX)),
			null);
}
 

@Test
public void containingExampleTest() {
	final Customer entity = new Customer("name", "surname", 10);
	repository.save(entity);

	final Customer probe = new Customer();
	probe.setName("am");
	final Example<Customer> example = Example.of(probe,
		ExampleMatcher.matching().withStringMatcher(StringMatcher.CONTAINING).withIgnorePaths("arangoId", "id",
			"key", "rev", "surname", "age"));
	final Optional<Customer> retrieved = repository.findOne(example);
	assertThat(retrieved.isPresent(), is(true));
	assertThat(retrieved.get().getName(), is("name"));
}
 

public List<Talk> find(final Talk talk) {
    if (talk == null) {
        return talkRepository.findAll();
    }

    ExampleMatcher matcher = ExampleMatcher.matching()
            .withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING)
            .withIgnoreCase();

    return StreamSupport.stream(talkRepository.findAll(Example.of(talk, matcher)).spliterator(), false)
            .collect(Collectors.toList());
}
 

public List<Person> find(final Person person) {
    if (person == null) {
        return personRepository.findAll();
    }

    ExampleMatcher matcher = ExampleMatcher.matching()
            .withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING)
            .withIgnoreCase();

    return StreamSupport.stream(personRepository.findAll(Example.of(person, matcher)).spliterator(), false)
            .collect(Collectors.toList());
}
 

@Test
public void givenExample_whenFindAllWithExample_thenFindAllMacthings() {
    repository.save(new Account(null, "john", 12.3)).block();
    ExampleMatcher matcher = ExampleMatcher.matching().withMatcher("owner", startsWith());
    Example<Account> example = Example.of(new Account(null, "jo", null), matcher);
    Flux<Account> accountFlux = repository.findAll(example);

    StepVerifier
            .create(accountFlux)
            .assertNext(account -> assertEquals("john", account.getOwner()))
            .expectComplete()
            .verify();
}
 

private void retrieveAndPrintSingers() {
	System.out.println("The kind for singers has been cleared and "
			+ this.singerRepository.count() + " new singers have been inserted:");

	Iterable<Singer> allSingers = this.singerRepository.findAll();
	allSingers.forEach(System.out::println);

	System.out.println("You can also retrieve by keys for strong consistency: ");

	// Retrieving by keys or querying with a restriction to a single entity group
	// / family is strongly consistent.
	this.singerRepository
			.findAllById(Arrays.asList("singer1", "singer2", "singer3"))
			.forEach((x) -> System.out.println("retrieved singer: " + x));

	//Query by example: find all singers with the last name "Doe"
	Iterable<Singer> singers = this.singerRepository.findAll(
			Example.of(new Singer(null, null, "Doe", null), ExampleMatcher.matching().withIgnorePaths("singerId")));
	System.out.println("Query by example");
	singers.forEach(System.out::println);

	//Pageable parameter
	System.out.println("Using Pageable parameter");
	Pageable pageable = PageRequest.of(0, 1);
	Slice<Singer> slice;
	boolean hasNext = true;
	while (hasNext) {
		slice = this.singerRepository.findSingersByLastName("Doe", pageable);
		System.out.println(slice.getContent().get(0));
		hasNext = slice.hasNext();
		pageable = slice.getPageable().next();
	}
}
 

default List<User> complete(String query, int maxResults) {
    User probe = new User();
    probe.setLogin(query);

    ExampleMatcher matcher = ExampleMatcher.matching() //
            .withMatcher(User_.login.getName(), match -> match.ignoreCase().startsWith());

    Page<User> page = findAll(Example.of(probe, matcher), new PageRequest(0, maxResults));
    return page.getContent();
}
 

@Test
public void findAllPageableByExampleTest() {
	final List<Customer> toBeRetrieved = new LinkedList<>();
	toBeRetrieved.add(new Customer("A", "Z", 0));
	toBeRetrieved.add(new Customer("B", "X", 0));
	toBeRetrieved.add(new Customer("B", "Y", 0));
	toBeRetrieved.add(new Customer("C", "V", 0));
	toBeRetrieved.add(new Customer("D", "T", 0));
	toBeRetrieved.add(new Customer("D", "U", 0));
	toBeRetrieved.add(new Customer("E", "S", 0));
	toBeRetrieved.add(new Customer("F", "P", 0));
	toBeRetrieved.add(new Customer("F", "Q", 0));
	toBeRetrieved.add(new Customer("F", "R", 0));
	repository.saveAll(toBeRetrieved);
	repository.save(new Customer("A", "A", 1));
	final Example<Customer> example = Example.of(new Customer("", "", 0),
		ExampleMatcher.matchingAny().withIgnoreNullValues().withIgnorePaths(new String[] { "location", "alive" }));
	final List<Sort.Order> orders = new LinkedList<>();
	orders.add(new Sort.Order(Sort.Direction.ASC, "name"));
	orders.add(new Sort.Order(Sort.Direction.ASC, "surname"));
	final Sort sort = Sort.by(orders);
	final int pageNumber = 1;
	final int pageSize = 3;
	final Page<Customer> retrievedPage = repository.findAll(example, PageRequest.of(pageNumber, pageSize, sort));
	assertEquals(toBeRetrieved.size(), retrievedPage.getTotalElements());
	assertEquals(pageNumber, retrievedPage.getNumber());
	assertEquals(pageSize, retrievedPage.getSize());
	assertEquals((toBeRetrieved.size() + pageSize - 1) / pageSize, retrievedPage.getTotalPages());
	final List<Customer> expected = toBeRetrieved.subList(pageNumber * pageSize, (pageNumber + 1) * pageSize);
	assertTrue(equals(expected, retrievedPage, cmp, eq, true));
}
 

@Test
public void queryByExampleCaseSensitiveTest() {
	this.expectedEx.expect(DatastoreDataException.class);
	this.expectedEx.expectMessage("Property matchers are not supported");

	this.datastoreTemplate.queryByExample(
			Example.of(new SimpleTestEntity(), ExampleMatcher.matching().withMatcher("id",
					ExampleMatcher.GenericPropertyMatcher::caseSensitive)),
			null);
}
 

@Test
public void queryByExampleOptions() {
	EntityQuery.Builder builder = Query.newEntityQueryBuilder().setKind("test_kind");
	this.datastoreTemplate.queryByExample(
			Example.of(this.simpleTestEntity, ExampleMatcher.matching().withIgnorePaths("id")),
			new DatastoreQueryOptions.Builder().setLimit(10).setOffset(1).setSort(Sort.by("intField"))
					.build());

	StructuredQuery.CompositeFilter filter = StructuredQuery.CompositeFilter
			.and(PropertyFilter.eq("color", "simple_test_color"),
					PropertyFilter.eq("int_field", 1));
	verify(this.datastore, times(1)).run(builder.setFilter(filter)
			.addOrderBy(StructuredQuery.OrderBy.asc("int_field")).setLimit(10).setOffset(1).build());
}
 

@Test
public void givenPassengers_whenFindByExampleCaseInsensitiveMatcher_thenExpectedReturned() {
    ExampleMatcher caseInsensitiveExampleMatcher = ExampleMatcher.matchingAll().withIgnoreCase();
    Example<Passenger> example = Example.of(Passenger.from("fred", "bloggs", null),
      caseInsensitiveExampleMatcher);

    Optional<Passenger> actual = repository.findOne(example);

    assertTrue(actual.isPresent());
    assertEquals(Passenger.from("Fred", "Bloggs", 22), actual.get());
}
 

@Test
public void queryByExamplePropertyMatchersTest() {
	this.expectedEx.expect(DatastoreDataException.class);
	this.expectedEx.expectMessage("Property matchers are not supported");

	this.datastoreTemplate.queryByExample(
			Example.of(new SimpleTestEntity(), ExampleMatcher.matching().withMatcher("id",
					ExampleMatcher.GenericPropertyMatcher.of(ExampleMatcher.StringMatcher.REGEX))),
			null);
}