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

Example 1 with Sources

use of com.hazelcast.jet.pipeline.Sources 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 2 with Sources

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

the class WindowAggregateTransform_IntegrationTest method test_aggregate2_with_aggregateBuilder.

@Test
public void test_aggregate2_with_aggregateBuilder() {
    IMap<Long, String> map = instance.getMap("source");
    // key is timestamp
    map.put(0L, "foo");
    map.put(2L, "baz");
    map.put(10L, "flush-item");
    IMap<Long, String> map2 = instance.getMap("source1");
    // key is timestamp
    map2.put(0L, "faa");
    map2.put(2L, "buu");
    map2.put(10L, "flush-item");
    Pipeline p = Pipeline.create();
    StreamStage<Entry<Long, String>> stage1 = p.drawFrom(Sources.<Long, String>mapJournal("source1", START_FROM_OLDEST));
    stage1.addTimestamps(Entry::getKey, 0);
    WindowAggregateBuilder<Entry<Long, String>> b = p.drawFrom(Sources.<Long, String>mapJournal("source", START_FROM_OLDEST)).addTimestamps(Entry::getKey, 0).window(WindowDefinition.tumbling(2)).aggregateBuilder();
    Tag<Entry<Long, String>> tag0 = b.tag0();
    Tag<Entry<Long, String>> tag1 = b.add(stage1);
    b.build(AggregateOperation.withCreate(TwoBags::twoBags).andAccumulate(tag0, (acc, item0) -> acc.bag0().add(item0)).andAccumulate(tag1, (acc, item1) -> acc.bag1().add(item1)).andCombine(TwoBags::combineWith).andDeduct(TwoBags::deduct).andFinish(TwoBags::finish)).peek().drainTo(Sinks.list("sink"));
    instance.newJob(p);
    assertTrueEventually(() -> assertEquals(listToString(asList(new TimestampedItem<>(2, TwoBags.twoBags(asList(entry(0L, "foo")), asList(entry(0L, "faa")))), new TimestampedItem<>(4, TwoBags.twoBags(asList(entry(2L, "baz")), asList(entry(2L, "buu")))))), listToString(instance.getHazelcastInstance().getList("sink"))), 5);
}

Example 3 with Sources

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

the class WindowGroupTransform_IntegrationTest method testWindowDefinition.

@Test
public void testWindowDefinition() {
    Pipeline p = Pipeline.create();
    SlidingWindowDef tumbling = WindowDefinition.tumbling(2);
    StageWithGroupingAndWindow<Entry<Long, String>, Character> stage = p.drawFrom(Sources.<Long, String>mapJournal("source", START_FROM_OLDEST)).groupingKey(entry -> entry.getValue().charAt(0)).window(tumbling);
    assertEquals(tumbling, stage.windowDefinition());
}

Example 4 with Sources

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

the class WindowGroupTransform_IntegrationTest method testSliding_windowFirst_aggregate3.

@Test
public void testSliding_windowFirst_aggregate3() {
    IMap<Long, String> map = instance.getMap("source");
    // key is timestamp
    map.put(0L, "foo");
    map.put(2L, "taz");
    map.put(10L, "flush-item");
    IMap<Long, String> map1 = instance.getMap("source1");
    // key is timestamp
    map1.put(0L, "faa");
    map1.put(2L, "tuu");
    map1.put(10L, "flush-item");
    IMap<Long, String> map2 = instance.getMap("source2");
    // key is timestamp
    map2.put(0L, "fzz");
    map2.put(2L, "tcc");
    map2.put(10L, "flush-item");
    Pipeline p = Pipeline.create();
    StreamStageWithGrouping<Entry<Long, String>, Character> stage1 = p.drawFrom(Sources.<Long, String>mapJournal("source1", START_FROM_OLDEST)).addTimestamps(Entry::getKey, 0).groupingKey(entry -> entry.getValue().charAt(0));
    StreamStageWithGrouping<Entry<Long, String>, Character> stage2 = p.drawFrom(Sources.<Long, String>mapJournal("source2", START_FROM_OLDEST)).addTimestamps(Entry::getKey, 0).groupingKey(entry -> entry.getValue().charAt(0));
    p.drawFrom(Sources.<Long, String>mapJournal("source", START_FROM_OLDEST)).addTimestamps(Entry::getKey, 0).window(WindowDefinition.tumbling(2)).groupingKey(entry -> entry.getValue().charAt(0)).aggregate3(stage1, stage2, toThreeBags()).peek().drainTo(Sinks.list("sink"));
    instance.newJob(p);
    assertTrueEventually(() -> {
        assertEquals(listToString(asList(new TimestampedEntry<>(2, 'f', ThreeBags.threeBags(asList(entry(0L, "foo")), asList(entry(0L, "faa")), asList(entry(0L, "fzz")))), new TimestampedEntry<>(4, 't', ThreeBags.threeBags(asList(entry(2L, "taz")), asList(entry(2L, "tuu")), asList(entry(2L, "tcc")))))), listToString(instance.getHazelcastInstance().getList("sink")));
    }, 5);
}

Example 5 with Sources

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

the class WindowGroupTransform_IntegrationTest method testSession_groupingFirst.

@Test
public void testSession_groupingFirst() {
    Pipeline p = Pipeline.create();
    p.drawFrom(Sources.<Long, String>mapJournal("source", JournalInitialPosition.START_FROM_OLDEST)).addTimestamps(Entry::getKey, 0).groupingKey(entry -> entry.getValue().charAt(0)).window(WindowDefinition.session(2)).aggregate(toSet(), WindowResult::new).drainTo(Sinks.list("sink"));
    testSession(p);
}