Examples with Cancelable com.amplifyframework.core.async.Cancelable used on opensource projects

Example 11 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class SynchronousApi method onCreate.

/**
 * Subscribe to create mutations, by forming a GraphQL subscription request.
 *
 * @param apiName One of the configured APIs
 * @param request A GraphQL subscription request
 * @param <T>     Type of object for which creation notifications are generated
 * @return An observable with which creations may be observed
 */
@NonNull
public <T> Observable<GraphQLResponse<T>> onCreate(@NonNull String apiName, @NonNull GraphQLRequest<T> request) {
    return Observable.create(emitter -> {
        CompositeDisposable disposable = new CompositeDisposable();
        emitter.setDisposable(disposable);
        Await.<String, ApiException>result(OPERATION_TIMEOUT_MS, (onSubscriptionStarted, onError) -> {
            Cancelable cancelable = asyncDelegate.subscribe(apiName, request, onSubscriptionStarted, emitter::onNext, onError, emitter::onComplete);
            if (cancelable != null) {
                disposable.add(Disposable.fromAction(cancelable::cancel));
            }
        });
    });
}

Example 12 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class AppSyncClientInstrumentationTest method onCreate.

@SuppressWarnings("CodeBlock2Expr")
private <T extends Model> Observable<GraphQLResponse<ModelWithMetadata<T>>> onCreate(@NonNull ModelSchema schema) {
    return Observable.create(emitter -> {
        Await.result((onSubscriptionStarted, ignored) -> {
            Cancelable cancelable = api.onCreate(schema, onSubscriptionStarted::accept, emitter::onNext, emitter::onError, emitter::onComplete);
            emitter.setDisposable(AmplifyDisposables.fromCancelable(cancelable));
        });
    });
}

Example 13 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class SQLiteStorageAdapterObserveQueryTest method querySavedDataWithNumericalPredicates.

/**
 * Test querying the saved item in the SQLite database with
 * predicate conditions.
 *
 * @throws DataStoreException   On unexpected failure manipulating items in/out of DataStore
 * @throws InterruptedException On unexpected failure manipulating items in/out of DataStore
 */
@Test
public void querySavedDataWithNumericalPredicates() throws DataStoreException, InterruptedException {
    CountDownLatch latch = new CountDownLatch(1);
    CountDownLatch changeLatch = new CountDownLatch(1);
    final List<Post> savedModels = new ArrayList<>();
    final int numModels = 10;
    BlogOwner blogOwner = BlogOwner.builder().name("Test Dummy").build();
    adapter.save(blogOwner);
    Blog blog = Blog.builder().name("Blogging for Dummies").owner(blogOwner).build();
    adapter.save(blog);
    for (int counter = 0; counter < numModels; counter++) {
        final Post post = Post.builder().title("titlePrefix:" + counter).status(PostStatus.INACTIVE).rating(counter).blog(blog).build();
        adapter.save(post);
        savedModels.add(post);
    }
    // 1, 4, 5, 6
    QueryPredicate predicate = Post.RATING.ge(4).and(Post.RATING.lt(7)).or(Post.RATING.eq(1).and(Post.RATING.ne(7)));
    Consumer<Cancelable> observationStarted = NoOpConsumer.create();
    AtomicInteger count = new AtomicInteger(0);
    Consumer<DataStoreQuerySnapshot<Post>> onQuerySnapshot = value -> {
        if (count.get() == 0) {
            List<Post> expected = Arrays.asList(savedModels.get(1), savedModels.get(4), savedModels.get(5), savedModels.get(6));
            assertEquals(new HashSet<>(expected), new HashSet<>(value.getItems()));
            latch.countDown();
        } else if (count.get() == 2) {
            assertEquals(5, value.getItems().size());
            assertTrue(value.getItems().contains(savedModels.get(1)));
            assertTrue(value.getItems().contains(savedModels.get(4)));
            assertTrue(value.getItems().contains(savedModels.get(5)));
            assertTrue(value.getItems().contains(savedModels.get(6)));
            assertTrue(value.getItems().contains(savedModels.get(11)));
            changeLatch.countDown();
        }
        count.incrementAndGet();
    };
    Consumer<DataStoreException> onObservationError = NoOpConsumer.create();
    Action onObservationComplete = NoOpAction.create();
    adapter.observeQuery(Post.class, new ObserveQueryOptions(predicate, null), observationStarted, onQuerySnapshot, onObservationError, onObservationComplete);
    assertTrue(latch.await(15, TimeUnit.SECONDS));
    for (int counter = 3; counter < 5; counter++) {
        final Post post = Post.builder().title("titlePrefix:" + counter + "change").status(PostStatus.INACTIVE).rating(counter).blog(blog).build();
        adapter.save(post);
        savedModels.add(post);
    }
    assertTrue(changeLatch.await(30, TimeUnit.SECONDS));
}

Example 14 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class SQLiteStorageAdapterObserveQueryTest method querySavedDataWithMultiLevelJoins.

/**
 * Test that querying the saved item with a foreign key
 * also populates that instance variable with object.
 *
 * @throws DataStoreException   On unexpected failure manipulating items in/out of DataStore
 * @throws InterruptedException On unexpected failure manipulating items in/out of DataStore
 */
// @Test
public void querySavedDataWithMultiLevelJoins() throws DataStoreException, InterruptedException {
    CountDownLatch latch = new CountDownLatch(1);
    final BlogOwner blogOwner = BlogOwner.builder().name("Alan Turing").build();
    final Blog blog = Blog.builder().name("Alan's Software Blog").owner(blogOwner).build();
    final Post post = Post.builder().title("Alan's first post").status(PostStatus.ACTIVE).rating(2).blog(blog).build();
    final Comment comment = Comment.builder().content("Alan's first comment").post(post).build();
    adapter.save(blogOwner);
    adapter.save(blog);
    adapter.save(post);
    adapter.save(comment);
    Consumer<Cancelable> observationStarted = NoOpConsumer.create();
    Consumer<DataStoreQuerySnapshot<Comment>> onQuerySnapshot = value -> {
        assertTrue(value.getItems().contains(comment));
        assertEquals(value.getItems().get(0).getPost(), post);
        assertEquals(value.getItems().get(0).getPost().getBlog(), blog);
        assertEquals(value.getItems().get(0).getPost().getBlog().getOwner(), blogOwner);
        latch.countDown();
    };
    Consumer<DataStoreException> onObservationError = NoOpConsumer.create();
    Action onObservationComplete = NoOpAction.create();
    adapter.observeQuery(Comment.class, new ObserveQueryOptions(null, null), observationStarted, onQuerySnapshot, onObservationError, onObservationComplete);
    assertTrue(latch.await(1, TimeUnit.SECONDS));
}

Example 15 with Cancelable

use of com.amplifyframework.core.async.Cancelable in project amplify-android by aws-amplify.

the class SQLiteStorageAdapterObserveQueryTest method querySavedDataWithMultipleItemsThenUpdateOnItemSoItNoLongerSatisfiesPredicate.

/**
 * Test querying the saved item in the SQLite database with observeQuery.
 *
 * @throws DataStoreException   On unexpected failure manipulating items in/out of DataStore
 * @throws InterruptedException On unexpected failure manipulating items in/out of DataStore
 */
@Test
public void querySavedDataWithMultipleItemsThenUpdateOnItemSoItNoLongerSatisfiesPredicate() throws DataStoreException, InterruptedException {
    CountDownLatch latch = new CountDownLatch(1);
    CountDownLatch changeLatch = new CountDownLatch(1);
    Consumer<Cancelable> observationStarted = NoOpConsumer.create();
    Consumer<DataStoreException> onObservationError = NoOpConsumer.create();
    Action onObservationComplete = NoOpAction.create();
    final List<BlogOwner> savedModels = new ArrayList<>();
    final int numModels = 5;
    // Blogowner to be updated
    final BlogOwner blogOwnerToBeUpdated = BlogOwner.builder().name("namePrefix:").build();
    adapter.save(blogOwnerToBeUpdated);
    savedModels.add(blogOwnerToBeUpdated);
    AtomicInteger count = new AtomicInteger(0);
    for (int counter = 1; counter < numModels; counter++) {
        final BlogOwner blogOwner = BlogOwner.builder().name("namePrefix:" + counter).build();
        adapter.save(blogOwner);
        savedModels.add(blogOwner);
    }
    Consumer<DataStoreQuerySnapshot<BlogOwner>> onQuerySnapshot = value -> {
        if (count.get() == 0) {
            for (BlogOwner blogOwner : savedModels) {
                assertTrue(value.getItems().contains(blogOwner));
            }
            assertEquals(5, value.getItems().size());
            latch.countDown();
        } else {
            assertEquals(4, value.getItems().size());
            changeLatch.countDown();
        }
        count.incrementAndGet();
    };
    adapter.observeQuery(BlogOwner.class, new ObserveQueryOptions(BlogOwner.NAME.beginsWith("namePrefix"), null), observationStarted, onQuerySnapshot, onObservationError, onObservationComplete);
    assertTrue(latch.await(30, TimeUnit.SECONDS));
    final BlogOwner blogOwnerUpdated = blogOwnerToBeUpdated.copyOfBuilder().name("updated").build();
    try {
        adapter.save(blogOwnerUpdated);
    } catch (DataStoreException exception) {
        exception.printStackTrace();
    }
    savedModels.add(blogOwnerUpdated);
    assertTrue(changeLatch.await(30, TimeUnit.SECONDS));
}