Examples with Consumer org.talend.daikon.java8.Consumer used on opensource projects

Example 16 with Consumer

use of org.talend.daikon.java8.Consumer in project connect-java-library by urbanairship.

the class StreamTest method hookStream.

@SuppressWarnings("unchecked")
private AtomicReference<Consumer<String>> hookStream(StreamConnectionSupplier supplier, final StreamConnection conn) {
    final AtomicReference<Consumer<String>> hook = new AtomicReference<>();
    final AtomicBoolean first = new AtomicBoolean(true);
    when(supplier.get(Matchers.<StreamQueryDescriptor>any(), Matchers.<AsyncHttpClient>any(), Matchers.<Consumer<String>>any())).thenAnswer(new Answer<StreamConnection>() {

        @Override
        public StreamConnection answer(InvocationOnMock invocation) throws Throwable {
            if (first.compareAndSet(true, false)) {
                Consumer<String> consumer = (Consumer<String>) invocation.getArguments()[2];
                hook.set(consumer);
            }
            return conn;
        }
    });
    return hook;
}

Example 17 with Consumer

use of org.talend.daikon.java8.Consumer in project connect-java-library by urbanairship.

the class StreamTest method testAirshipRequestClientStream.

@Test
public void testAirshipRequestClientStream() throws Exception {
    final AtomicReference<Consumer<String>> consumer = hookStream(connSupplier, conn);
    final List<String> events = events(20);
    final CountDownLatch stop = new CountDownLatch(1);
    doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            for (String event : events) {
                consumer.get().accept(event);
            }
            stop.await();
            return null;
        }
    }).when(conn).read(Matchers.<Optional<StartPosition>>any());
    List<String> received = new ArrayList<>();
    RequestClient requestClient = AirshipRequestClient.newBuilder().build();
    Stream stream = Stream.newBuilder().setDescriptor(descriptor()).setRequestClient(requestClient).setConnectionSupplier(connSupplier).build();
    try {
        while (stream.hasNext()) {
            received.add(stream.next());
            if (received.size() == 20) {
                break;
            }
        }
    } finally {
        stop.countDown();
    }
    assertEquals(events, received);
    verify(conn, atLeastOnce()).close();
}

Example 18 with Consumer

use of org.talend.daikon.java8.Consumer in project connect-java-library by urbanairship.

the class StreamTest method testStream.

@Test
public void testStream() throws Exception {
    final AtomicReference<Consumer<String>> consumer = hookStream(connSupplier, conn);
    final List<String> events = events(20);
    final CountDownLatch stop = new CountDownLatch(1);
    doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            for (String event : events) {
                consumer.get().accept(event);
            }
            stop.await();
            return null;
        }
    }).when(conn).read(Matchers.<Optional<StartPosition>>any());
    List<String> received = new ArrayList<>();
    try (Stream stream = new Stream(descriptor(), Optional.<StartPosition>absent(), Optional.of(connSupplier))) {
        while (stream.hasNext()) {
            received.add(stream.next());
            if (received.size() == 20) {
                break;
            }
        }
    } finally {
        stop.countDown();
    }
    assertEquals(events, received);
    verify(conn, atLeastOnce()).close();
}

Example 19 with Consumer

use of org.talend.daikon.java8.Consumer in project connect-java-library by urbanairship.

the class StreamConsumeTaskTest method testRetries.

@Test
public void testRetries() throws Exception {
    final List<TestEvent> batch1 = events(2);
    final List<TestEvent> batch2 = events(3);
    final List<TestEvent> batch3 = events(1);
    final AtomicReference<Consumer<String>> hook = hookStream();
    final CountDownLatch iterationsDone = new CountDownLatch(1);
    final CountDownLatch assertionDone = new CountDownLatch(1);
    doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            consume(hook.get(), batch1);
            return null;
        }
    }).doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            consume(hook.get(), batch2);
            throw new RuntimeException("Boom!");
        }
    }).doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            consume(hook.get(), batch3);
            iterationsDone.countDown();
            assertionDone.await();
            return null;
        }
    }).doNothing().when(stream).read(Matchers.<Optional<StartPosition>>any());
    BlockingQueue<String> queue = new LinkedBlockingQueue<>();
    task = task(descriptor(), queue);
    readThread.submit(task);
    try {
        assertTrue(iterationsDone.await(10, TimeUnit.SECONDS));
        assertEquals(ImmutableList.builder().addAll(reduce(batch1)).addAll(reduce(batch2)).addAll(reduce(batch3)).build(), ImmutableList.copyOf(queue));
        verify(stream, atLeastOnce()).read(positionCaptor.capture());
        assertEquals(ImmutableList.builder().add(Optional.<Long>absent()).add(Optional.of(StartPosition.offset(Iterables.getLast(batch1).offset))).add(Optional.of(StartPosition.offset(Iterables.getLast(batch2).offset))).build(), positionCaptor.getAllValues().subList(0, 3));
    } finally {
        assertionDone.countDown();
    }
}