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

Example 1 with WindowGroupAggregateBuilder

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

the class WindowGroupTransform_IntegrationTest method testSliding_windowFirst_aggregate3_with_aggregateBuilder.

@Test
public void testSliding_windowFirst_aggregate3_with_aggregateBuilder() {
    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));
    WindowGroupAggregateBuilder<Entry<Long, String>, Character> b = p.drawFrom(Sources.<Long, String>mapJournal("source", START_FROM_OLDEST)).addTimestamps(Entry::getKey, 0).window(WindowDefinition.tumbling(2)).groupingKey(entry -> entry.getValue().charAt(0)).aggregateBuilder();
    Tag<Entry<Long, String>> tag0 = b.tag0();
    Tag<Entry<Long, String>> tag1 = b.add(stage1);
    Tag<Entry<Long, String>> tag2 = b.add(stage2);
    b.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)).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);
}