Examples with Pipeline com.hazelcast.jet.pipeline.Pipeline used on opensource projects

Example 1 with Pipeline

use of com.hazelcast.jet.pipeline.Pipeline in project hazelcast-jet by hazelcast.

the class KafkaSinkTest method when_recordLingerEnabled_then_sentOnCompletion.

@Test
public void when_recordLingerEnabled_then_sentOnCompletion() throws Exception {
    // When
    // 1 hour
    properties.setProperty("linger.ms", "3600000");
    // Given
    Pipeline p = Pipeline.create();
    p.drawFrom(Sources.<Entry<String, String>>batchFromProcessor("source", ProcessorMetaSupplier.of(ProcessorWithEntryAndLatch::new))).drainTo(KafkaSinks.kafka(properties, topic));
    Job job = instance.newJob(p);
    // the event should not appear in the topic due to linger.ms
    try (KafkaConsumer<String, String> consumer = createConsumer(brokerConnectionString, topic)) {
        assertTrueAllTheTime(() -> assertEquals(0, consumer.poll(100).count()), 2);
    }
    // Then
    ProcessorWithEntryAndLatch.isDone = true;
    job.join();
    System.out.println("Job finished");
    assertTopicContentsEventually(singletonMap("k", "v"), false);
}

Example 2 with Pipeline

use of com.hazelcast.jet.pipeline.Pipeline in project hazelcast-jet by hazelcast.

the class KafkaSinkTest method testWriteToSpecificPartitions.

@Test
public void testWriteToSpecificPartitions() throws Exception {
    String localTopic = topic;
    Pipeline p = Pipeline.create();
    p.drawFrom(Sources.<String, String>map(SOURCE_IMAP_NAME)).drainTo(KafkaSinks.kafka(properties, e -> new ProducerRecord<>(localTopic, Integer.valueOf(e.getKey()), e.getKey(), e.getValue())));
    instance.newJob(p).join();
    assertTopicContentsEventually(sourceIMap, true);
}

Example 3 with Pipeline

use of com.hazelcast.jet.pipeline.Pipeline in project hazelcast-jet by hazelcast.

the class StreamKafkaPTest method integrationTest.

private void integrationTest(ProcessingGuarantee guarantee) throws Exception {
    int messageCount = 20;
    JetInstance[] instances = new JetInstance[2];
    Arrays.setAll(instances, i -> createJetMember());
    Pipeline p = Pipeline.create();
    p.drawFrom(KafkaSources.kafka(properties, topic1Name, topic2Name)).drainTo(Sinks.list("sink"));
    JobConfig config = new JobConfig();
    config.setProcessingGuarantee(guarantee);
    config.setSnapshotIntervalMillis(500);
    Job job = instances[0].newJob(p, config);
    sleepAtLeastSeconds(3);
    for (int i = 0; i < messageCount; i++) {
        produce(topic1Name, i, Integer.toString(i));
        produce(topic2Name, i - messageCount, Integer.toString(i - messageCount));
    }
    IList<Object> list = instances[0].getList("sink");
    assertTrueEventually(() -> {
        assertEquals(messageCount * 2, list.size());
        for (int i = 0; i < messageCount; i++) {
            Entry<Integer, String> entry1 = createEntry(i);
            Entry<Integer, String> entry2 = createEntry(i - messageCount);
            assertTrue("missing entry: " + entry1, list.contains(entry1));
            assertTrue("missing entry: " + entry2, list.contains(entry2));
        }
    }, 5);
    if (guarantee != ProcessingGuarantee.NONE) {
        // wait until the items are consumed and a new snapshot appears
        assertTrueEventually(() -> assertTrue(list.size() == messageCount * 2));
        IMapJet<Long, Object> snapshotsMap = instances[0].getMap(SnapshotRepository.snapshotsMapName(job.getId()));
        Long currentMax = maxSuccessfulSnapshot(snapshotsMap);
        assertTrueEventually(() -> {
            Long newMax = maxSuccessfulSnapshot(snapshotsMap);
            assertTrue("no snapshot produced", newMax != null && !newMax.equals(currentMax));
            System.out.println("snapshot " + newMax + " found, previous was " + currentMax);
        });
        // Bring down one member. Job should restart and drain additional items (and maybe
        // some of the previous duplicately).
        instances[1].shutdown();
        Thread.sleep(500);
        for (int i = messageCount; i < 2 * messageCount; i++) {
            produce(topic1Name, i, Integer.toString(i));
            produce(topic2Name, i - messageCount, Integer.toString(i - messageCount));
        }
        assertTrueEventually(() -> {
            assertTrue("Not all messages were received", list.size() >= messageCount * 4);
            for (int i = 0; i < 2 * messageCount; i++) {
                Entry<Integer, String> entry1 = createEntry(i);
                Entry<Integer, String> entry2 = createEntry(i - messageCount);
                assertTrue("missing entry: " + entry1.toString(), list.contains(entry1));
                assertTrue("missing entry: " + entry2.toString(), list.contains(entry2));
            }
        }, 10);
    }
    assertFalse(job.getFuture().isDone());
    // cancel the job
    job.cancel();
    assertTrueEventually(() -> assertTrue(job.getFuture().isDone()));
}

Example 4 with Pipeline

use of com.hazelcast.jet.pipeline.Pipeline in project hazelcast-jet by hazelcast.

the class AggregateTransform_IntegrationTest method test_aggregate3_with_aggBuilder.

@Test
public void test_aggregate3_with_aggBuilder() {
    // Given
    JetInstance instance = createJetMember();
    IListJet<Integer> list = instance.getList("list");
    list.add(1);
    list.add(2);
    list.add(3);
    IListJet<String> list1 = instance.getList("list1");
    list1.add("a");
    list1.add("b");
    list1.add("c");
    IListJet<Double> list2 = instance.getList("list2");
    list2.add(6.0d);
    list2.add(7.0d);
    list2.add(8.0d);
    // When
    Pipeline p = Pipeline.create();
    BatchStage<Integer> stage0 = p.drawFrom(Sources.list("list"));
    BatchStage<String> stage1 = p.drawFrom(Sources.list("list1"));
    BatchStage<Double> stage2 = p.drawFrom(Sources.list("list2"));
    AggregateBuilder<Integer> builder = stage0.aggregateBuilder();
    Tag<Integer> tag0 = builder.tag0();
    Tag<String> tag1 = builder.add(stage1);
    Tag<Double> tag2 = builder.add(stage2);
    BatchStage<ThreeBags> resultStage = builder.build(AggregateOperation.withCreate(ThreeBags::threeBags).andAccumulate(tag0, (acc, item0) -> acc.bag0().add(item0)).andAccumulate(tag1, (acc, item1) -> acc.bag1().add(item1)).andAccumulate(tag2, (acc, item2) -> acc.bag2().add(item2)).andCombine(ThreeBags::combineWith).andDeduct(ThreeBags::deduct).andFinish(ThreeBags::finish));
    resultStage.drainTo(Sinks.list("sink"));
    instance.newJob(p).join();
    // Then
    ThreeBags threeBags = (ThreeBags) instance.getHazelcastInstance().getList("sink").iterator().next();
    assertNotNull(threeBags);
    sort(threeBags);
    assertEquals(threeBags(list, list1, list2), threeBags);
}

Example 5 with Pipeline

use of com.hazelcast.jet.pipeline.Pipeline in project hazelcast-jet by hazelcast.

the class AggregateTransform_IntegrationTest method test_aggregate3.

@Test
public void test_aggregate3() {
    // Given
    JetInstance instance = createJetMember();
    IListJet<Integer> list = instance.getList("list");
    list.add(1);
    list.add(2);
    list.add(3);
    IListJet<String> list1 = instance.getList("list1");
    list1.add("a");
    list1.add("b");
    list1.add("c");
    IListJet<Double> list2 = instance.getList("list2");
    list2.add(6.0d);
    list2.add(7.0d);
    list2.add(8.0d);
    // When
    Pipeline p = Pipeline.create();
    BatchStage<String> stage1 = p.drawFrom(Sources.list("list1"));
    BatchStage<Double> stage2 = p.drawFrom(Sources.list("list2"));
    p.drawFrom(Sources.list("list")).aggregate3(stage1, stage2, toThreeBags()).drainTo(Sinks.list("sink"));
    instance.newJob(p).join();
    // Then
    ThreeBags threeBags = (ThreeBags) instance.getHazelcastInstance().getList("sink").iterator().next();
    assertNotNull(threeBags);
    sort(threeBags);
    assertEquals(threeBags(list, list1, list2), threeBags);
}