Examples with DAG com.hazelcast.jet.core.DAG used on opensource projects

Example 91 with DAG

use of com.hazelcast.jet.core.DAG in project hazelcast by hazelcast.

the class HazelcastConnectorTest method when_streamMap_withFilterAndProjection.

@Test
public void when_streamMap_withFilterAndProjection() {
    DAG dag = new DAG();
    Vertex source = dag.newVertex("source", SourceProcessors.<Integer, Integer, Integer>streamMapP(streamSourceName, event -> event.getKey() != 0, EventJournalMapEvent::getKey, START_FROM_OLDEST, eventTimePolicy(i -> i, limitingLag(0), 1, 0, 10_000)));
    Vertex sink = dag.newVertex("sink", writeListP(streamSinkName));
    dag.edge(between(source, sink));
    Job job = instance().getJet().newJob(dag);
    IMap<Integer, Integer> sourceMap = instance().getMap(streamSourceName);
    range(0, ENTRY_COUNT).forEach(i -> sourceMap.put(i, i));
    assertSizeEventually(ENTRY_COUNT - 1, instance().getList(streamSinkName));
    assertFalse(instance().getList(streamSinkName).contains(0));
    assertTrue(instance().getList(streamSinkName).contains(1));
    job.cancel();
}

Example 92 with DAG

use of com.hazelcast.jet.core.DAG in project hazelcast by hazelcast.

the class HazelcastConnectorTest method test_defaultFilter_cacheJournal.

@Test
public void test_defaultFilter_cacheJournal() {
    DAG dag = new DAG();
    Vertex source = dag.newVertex("source", streamCacheP(streamSourceName, START_FROM_OLDEST, eventTimePolicy(Entry<Integer, Integer>::getValue, limitingLag(0), 1, 0, 10_000)));
    Vertex sink = dag.newVertex("sink", writeListP(streamSinkName));
    dag.edge(between(source, sink));
    Job job = instance().getJet().newJob(dag);
    ICache<Object, Object> sourceCache = instance().getCacheManager().getCache(streamSourceName);
    // ADDED
    sourceCache.put(1, 1);
    // REMOVED - filtered out
    sourceCache.remove(1);
    // UPDATED
    sourceCache.put(1, 2);
    IList<Entry<Integer, Integer>> sinkList = instance().getList(streamSinkName);
    assertTrueEventually(() -> {
        assertEquals(2, sinkList.size());
        Entry<Integer, Integer> e = sinkList.get(0);
        assertEquals(Integer.valueOf(1), e.getKey());
        assertEquals(Integer.valueOf(1), e.getValue());
        e = sinkList.get(1);
        assertEquals(Integer.valueOf(1), e.getKey());
        assertEquals(Integer.valueOf(2), e.getValue());
    });
    job.cancel();
}

Example 93 with DAG

use of com.hazelcast.jet.core.DAG in project hazelcast by hazelcast.

the class HazelcastConnectorTest method when_streamCache.

@Test
public void when_streamCache() {
    DAG dag = new DAG();
    Vertex source = dag.newVertex("source", streamCacheP(streamSourceName, START_FROM_OLDEST, eventTimePolicy(Entry<Integer, Integer>::getValue, limitingLag(0), 1, 0, 10_000)));
    Vertex sink = dag.newVertex("sink", writeListP(streamSinkName));
    dag.edge(between(source, sink));
    Job job = instance().getJet().newJob(dag);
    ICache<Integer, Integer> sourceCache = instance().getCacheManager().getCache(streamSourceName);
    range(0, ENTRY_COUNT).forEach(i -> sourceCache.put(i, i));
    assertSizeEventually(ENTRY_COUNT, instance().getList(streamSinkName));
    job.cancel();
}

Example 94 with DAG

use of com.hazelcast.jet.core.DAG in project hazelcast by hazelcast.

the class HazelcastConnectorTest method when_readMap_and_writeMap.

@Test
public void when_readMap_and_writeMap() {
    IMap<Integer, Integer> sourceMap = instance().getMap(sourceName);
    range(0, ENTRY_COUNT).forEach(i -> sourceMap.put(i, i));
    DAG dag = new DAG();
    Vertex source = dag.newVertex("source", readMapP(sourceName));
    Vertex sink = dag.newVertex("sink", writeMapP(sinkName));
    dag.edge(between(source, sink));
    instance().getJet().newJob(dag).join();
    assertEquals(ENTRY_COUNT, instance().getMap(sinkName).size());
}

Example 95 with DAG

use of com.hazelcast.jet.core.DAG in project hazelcast by hazelcast.

the class HazelcastConnectorTest method when_streamMap_withProjectionToNull_then_nullsSkipped.

@Test
public void when_streamMap_withProjectionToNull_then_nullsSkipped() {
    DAG dag = new DAG();
    Vertex source = dag.newVertex("source", SourceProcessors.streamMapP(streamSourceName, mapPutEvents(), (EventJournalMapEvent<Integer, Entry<Integer, String>> entry) -> entry.getNewValue().getValue(), START_FROM_OLDEST, noEventTime()));
    Vertex sink = dag.newVertex("sink", writeListP(streamSinkName));
    dag.edge(between(source, sink));
    Job job = instance().getJet().newJob(dag);
    IMap<Integer, Entry<Integer, String>> sourceMap = instance().getMap(streamSourceName);
    range(0, ENTRY_COUNT).forEach(i -> sourceMap.put(i, entry(i, i % 2 == 0 ? null : String.valueOf(i))));
    assertTrueEventually(() -> checkContents_projectedToNull(streamSinkName));
    job.cancel();
}