Examples with ItemsWrapper org.zalando.nakadi.domain.ItemsWrapper used on opensource projects

Example 1 with ItemsWrapper

use of org.zalando.nakadi.domain.ItemsWrapper in project nakadi by zalando.

the class SubscriptionService method getSubscriptionStat.

public ItemsWrapper<SubscriptionEventTypeStats> getSubscriptionStat(final String subscriptionId) throws InconsistentStateException, NoSuchSubscriptionException, ServiceTemporarilyUnavailableException {
    final Subscription subscription;
    try {
        subscription = subscriptionRepository.getSubscription(subscriptionId);
    } catch (final ServiceUnavailableException ex) {
        throw new InconsistentStateException(ex.getMessage());
    }
    final List<SubscriptionEventTypeStats> subscriptionStat = createSubscriptionStat(subscription);
    return new ItemsWrapper<>(subscriptionStat);
}

Example 2 with ItemsWrapper

use of org.zalando.nakadi.domain.ItemsWrapper in project nakadi by zalando.

the class NakadiTestUtils method getNumberOfAssignedStreams.

public static int getNumberOfAssignedStreams(final String sid) {
    final Response response = when().get("/subscriptions/{sid}/stats", sid).thenReturn();
    final ItemsWrapper<SubscriptionEventTypeStats> statsItems;
    try {
        statsItems = MAPPER.readValue(response.print(), new TypeReference<ItemsWrapper<SubscriptionEventTypeStats>>() {
        });
    } catch (final IOException e) {
        throw new AssertionError("Failed to get stats", e);
    }
    final long assignedUniqueStreamsCount = statsItems.getItems().stream().flatMap(stat -> stat.getPartitions().stream()).filter(p -> "assigned".equals(p.getState())).map(SubscriptionEventTypeStats.Partition::getStreamId).distinct().count();
    return (int) assignedUniqueStreamsCount;
}

Example 3 with ItemsWrapper

use of org.zalando.nakadi.domain.ItemsWrapper in project nakadi by zalando.

the class HilaAT method whenPatchThenCursorsAreInitializedToDefault.

@Test(timeout = 15000)
public void whenPatchThenCursorsAreInitializedToDefault() throws Exception {
    final EventType et = createEventType();
    publishEvents(et.getName(), 10, i -> "{\"foo\": \"bar\"}");
    Thread.sleep(1000L);
    final Subscription s = createSubscription(RandomSubscriptionBuilder.builder().withEventType(et.getName()).withStartFrom(END).buildSubscriptionBase());
    given().body(MAPPER.writeValueAsString(new ItemsWrapper<>(Collections.emptyList()))).contentType(JSON).patch("/subscriptions/{id}/cursors", s.getId()).then().statusCode(SC_NO_CONTENT);
    final ItemsWrapper<SubscriptionCursor> subscriptionCursors = MAPPER.readValue(given().get("/subscriptions/{id}/cursors", s.getId()).getBody().asString(), new TypeReference<ItemsWrapper<SubscriptionCursor>>() {
    });
    final List<EventTypePartitionView> etStats = MAPPER.readValue(given().get("/event-types/{et}/partitions", et.getName()).getBody().asString(), new TypeReference<List<EventTypePartitionView>>() {
    });
    Assert.assertEquals(subscriptionCursors.getItems().size(), etStats.size());
    subscriptionCursors.getItems().forEach(sCursor -> {
        final boolean offsetSame = etStats.stream().anyMatch(ss -> ss.getPartitionId().equals(sCursor.getPartition()) && ss.getNewestAvailableOffset().equals(sCursor.getOffset()));
        // Check that after patch cursors are the same as END
        Assert.assertTrue(offsetSame);
    });
}

Example 4 with ItemsWrapper

use of org.zalando.nakadi.domain.ItemsWrapper in project nakadi by zalando.

the class HilaAT method whenResetCursorsThenStreamFromResetCursorOffset.

@Test(timeout = 15000)
public void whenResetCursorsThenStreamFromResetCursorOffset() throws Exception {
    publishEvents(eventType.getName(), 20, i -> "{\"foo\":\"bar\"}");
    final TestStreamingClient client1 = TestStreamingClient.create(subscription.getId()).start();
    waitFor(() -> assertThat(client1.getBatches(), hasSize(10)));
    int statusCode = commitCursors(subscription.getId(), Collections.singletonList(client1.getBatches().get(9).getCursor()), client1.getSessionId());
    Assert.assertEquals(SC_NO_CONTENT, statusCode);
    final List<SubscriptionCursor> resetCursors = Collections.singletonList(client1.getBatches().get(4).getCursor());
    statusCode = given().body(MAPPER.writeValueAsString(new ItemsWrapper<>(resetCursors))).contentType(JSON).patch("/subscriptions/{id}/cursors", subscription.getId()).getStatusCode();
    Assert.assertEquals(SC_NO_CONTENT, statusCode);
    Assert.assertFalse(client1.isRunning());
    Assert.assertTrue(client1.getBatches().stream().anyMatch(streamBatch -> streamBatch.getMetadata() != null && streamBatch.getMetadata().getDebug().equals("Resetting subscription cursors")));
    final TestStreamingClient client2 = TestStreamingClient.create(subscription.getId()).start();
    waitFor(() -> assertThat(client2.getBatches(), hasSize(10)));
    Assert.assertEquals("001-0001-000000000000000005", client2.getBatches().get(0).getCursor().getOffset());
}

Example 5 with ItemsWrapper

use of org.zalando.nakadi.domain.ItemsWrapper in project nakadi by zalando.

the class HilaAT method whenPatchThenCursorsAreInitializedAndPatched.

@Test(timeout = 15000)
public void whenPatchThenCursorsAreInitializedAndPatched() throws Exception {
    final EventType et = createEventType();
    publishEvents(et.getName(), 10, i -> "{\"foo\": \"bar\"}");
    final List<EventTypePartitionView> etStats = MAPPER.readValue(given().get("/event-types/{et}/partitions", et.getName()).getBody().asString(), new TypeReference<List<EventTypePartitionView>>() {
    });
    final EventTypePartitionView begin = etStats.get(0);
    final Subscription s = createSubscription(RandomSubscriptionBuilder.builder().withEventType(et.getName()).withStartFrom(END).buildSubscriptionBase());
    given().body(MAPPER.writeValueAsString(new ItemsWrapper<>(Collections.singletonList(new SubscriptionCursorWithoutToken(et.getName(), begin.getPartitionId(), begin.getOldestAvailableOffset()))))).contentType(JSON).patch("/subscriptions/{id}/cursors", s.getId()).then().statusCode(SC_NO_CONTENT);
    final ItemsWrapper<SubscriptionCursor> subscriptionCursors = MAPPER.readValue(given().get("/subscriptions/{id}/cursors", s.getId()).getBody().asString(), new TypeReference<ItemsWrapper<SubscriptionCursor>>() {
    });
    Assert.assertEquals(subscriptionCursors.getItems().size(), etStats.size());
    subscriptionCursors.getItems().forEach(item -> {
        if (item.getPartition().equals(begin.getPartitionId())) {
            Assert.assertEquals(begin.getOldestAvailableOffset(), item.getOffset());
        } else {
            Assert.assertEquals(begin.getNewestAvailableOffset(), item.getOffset());
        }
    });
}