Examples with Context com.rabbitmq.stream.MessageHandler.Context used on opensource projects

Example 1 with Context

use of com.rabbitmq.stream.MessageHandler.Context in project rabbitmq-stream-java-client by rabbitmq.

the class OffsetTrackingCoordinatorTest method autoShouldNotStoreIfOffsetAlreadyStored.

@Test
void autoShouldNotStoreIfOffsetAlreadyStored() throws Exception {
    Duration checkInterval = Duration.ofMillis(100);
    OffsetTrackingCoordinator coordinator = new OffsetTrackingCoordinator(env, checkInterval);
    long storedOffset = 10;
    when(consumer.lastStoredOffset()).thenReturn(storedOffset);
    Duration autoFlushInterval = Duration.ofMillis(checkInterval.toMillis() * 2);
    Consumer<Context> postProcessedMessageCallback = coordinator.registerTrackingConsumer(consumer, new TrackingConfiguration(true, true, 1, autoFlushInterval, Duration.ZERO)).postMessageProcessingCallback();
    postProcessedMessageCallback.accept(context(10, () -> {
    }));
    Thread.sleep(autoFlushInterval.multipliedBy(4).toMillis());
    verify(consumer, never()).store(anyLong());
}

Example 2 with Context

use of com.rabbitmq.stream.MessageHandler.Context in project rabbitmq-stream-java-client by rabbitmq.

the class OffsetTrackingCoordinatorTest method autoShouldStoreAfterSomeInactivity.

@Test
void autoShouldStoreAfterSomeInactivity() {
    Duration checkInterval = Duration.ofMillis(100);
    OffsetTrackingCoordinator coordinator = new OffsetTrackingCoordinator(env, checkInterval);
    CountDownLatch flushLatch = new CountDownLatch(1);
    doAnswer(answer(inv -> flushLatch.countDown())).when(consumer).store(anyLong());
    Consumer<Context> postProcessedMessageCallback = coordinator.registerTrackingConsumer(consumer, new TrackingConfiguration(true, true, 1, Duration.ofMillis(200), Duration.ZERO)).postMessageProcessingCallback();
    postProcessedMessageCallback.accept(context(1, () -> {
    }));
    assertThat(latchAssert(flushLatch)).completes(5);
}

Example 3 with Context

use of com.rabbitmq.stream.MessageHandler.Context in project rabbitmq-stream-java-client by rabbitmq.

the class OffsetTrackingCoordinatorTest method autoShouldStoreFixedMessageCountAndAutoTrackingAfterInactivity.

@Test
void autoShouldStoreFixedMessageCountAndAutoTrackingAfterInactivity() {
    Duration checkInterval = Duration.ofMillis(100);
    coordinator = new OffsetTrackingCoordinator(env, checkInterval);
    CountDownLatch flushLatch = new CountDownLatch(1);
    doAnswer(answer(inv -> flushLatch.countDown())).when(consumer).store(anyLong());
    int messageInterval = 100;
    int messageCount = 5 * messageInterval + messageInterval / 5;
    Consumer<Context> postProcessedMessageCallback = coordinator.registerTrackingConsumer(consumer, new TrackingConfiguration(true, true, messageInterval, Duration.ofMillis(200), Duration.ZERO)).postMessageProcessingCallback();
    AtomicInteger storedCountAfterProcessing = new AtomicInteger(0);
    IntStream.range(0, messageCount).forEach(i -> {
        postProcessedMessageCallback.accept(context(i, () -> storedCountAfterProcessing.incrementAndGet()));
    });
    assertThat(latchAssert(flushLatch)).completes(5);
    assertThat(storedCountAfterProcessing.get()).isEqualTo(messageCount / messageInterval);
}

Example 4 with Context

use of com.rabbitmq.stream.MessageHandler.Context in project rabbitmq-stream-java-client by rabbitmq.

the class OffsetTrackingCoordinatorTest method autoShouldStoreLastProcessedAfterInactivity.

@Test
void autoShouldStoreLastProcessedAfterInactivity() {
    Duration checkInterval = Duration.ofMillis(100);
    OffsetTrackingCoordinator coordinator = new OffsetTrackingCoordinator(env, checkInterval);
    int storeEvery = 10;
    int extraMessages = 3;
    long expectedLastStoredOffset = storeEvery + extraMessages - 1;
    when(consumer.lastStoredOffset()).thenReturn((long) (storeEvery - 1));
    ArgumentCaptor<Long> lastStoredOffsetCaptor = ArgumentCaptor.forClass(Long.class);
    CountDownLatch flushLatch = new CountDownLatch(1);
    doAnswer(answer(inv -> flushLatch.countDown())).when(consumer).store(lastStoredOffsetCaptor.capture());
    Duration autoFlushInterval = Duration.ofMillis(checkInterval.toMillis() * 2);
    Consumer<Context> postProcessedMessageCallback = coordinator.registerTrackingConsumer(consumer, new TrackingConfiguration(true, true, storeEvery, autoFlushInterval, Duration.ZERO)).postMessageProcessingCallback();
    IntStream.range(0, storeEvery + extraMessages).forEach(offset -> {
        postProcessedMessageCallback.accept(context(offset, () -> {
        }));
    });
    assertThat(latchAssert(flushLatch)).completes(5);
    verify(consumer, times(1)).store(anyLong());
    assertThat(lastStoredOffsetCaptor.getValue()).isEqualTo(expectedLastStoredOffset);
}

Example 5 with Context

use of com.rabbitmq.stream.MessageHandler.Context in project rabbitmq-stream-java-client by rabbitmq.

the class OffsetTrackingCoordinatorTest method autoShouldNotFlushAfterInactivityIfLastStoreIsOnModulo.

@Test
void autoShouldNotFlushAfterInactivityIfLastStoreIsOnModulo() throws Exception {
    Duration checkInterval = Duration.ofMillis(100);
    OffsetTrackingCoordinator coordinator = new OffsetTrackingCoordinator(env, checkInterval);
    int storeEvery = 10;
    when(consumer.lastStoredOffset()).thenReturn((long) storeEvery - 1);
    Duration autoFlushInterval = Duration.ofMillis(checkInterval.toMillis() * 2);
    Consumer<Context> postProcessedMessageCallback = coordinator.registerTrackingConsumer(consumer, new TrackingConfiguration(true, true, storeEvery, autoFlushInterval, Duration.ZERO)).postMessageProcessingCallback();
    IntStream.range(0, storeEvery).forEach(offset -> {
        postProcessedMessageCallback.accept(context(offset, () -> {
        }));
    });
    Thread.sleep(autoFlushInterval.multipliedBy(4).toMillis());
    verify(consumer, never()).store(anyLong());
}