Examples with TOP_K com.yahoo.bullet.parsing.Aggregation.Type.TOP_K used on opensource projects

Example 1 with TOP_K

use of com.yahoo.bullet.parsing.Aggregation.Type.TOP_K in project bullet-storm by yahoo.

the class JoinBoltTest method testTopK.

@Test
public void testTopK() {
    BulletConfig bulletConfig = TopKTest.makeConfiguration(ErrorType.NO_FALSE_NEGATIVES, 16);
    Map<String, String> fields = new HashMap<>();
    fields.put("A", "");
    fields.put("B", "foo");
    TopK topK = TopKTest.makeTopK(bulletConfig, makeAttributes(null, 5L), fields, 2, null);
    IntStream.range(0, 32).mapToObj(i -> RecordBox.get().add("A", i % 8).getRecord()).forEach(topK::consume);
    byte[] first = topK.getData();
    topK = TopKTest.makeTopK(bulletConfig, makeAttributes(null, 5L), fields, 2, null);
    IntStream.range(0, 8).mapToObj(i -> RecordBox.get().add("A", i % 2).getRecord()).forEach(topK::consume);
    byte[] second = topK.getData();
    bolt = new DonableJoinBolt(config, 2, true);
    setup(bolt);
    String aggregationQuery = makeAggregationQuery(TOP_K, 2, 5L, "cnt", Pair.of("A", ""), Pair.of("B", "foo"));
    Tuple query = TupleUtils.makeIDTuple(TupleClassifier.Type.QUERY_TUPLE, "42", aggregationQuery, EMPTY);
    bolt.execute(query);
    sendRawByteTuplesTo(bolt, "42", asList(first, second));
    BulletRecord expectedA = RecordBox.get().add("A", "0").add("foo", "null").add("cnt", 8L).getRecord();
    BulletRecord expectedB = RecordBox.get().add("A", "1").add("foo", "null").add("cnt", 8L).getRecord();
    List<BulletRecord> results = asList(expectedA, expectedB);
    Tuple expected = TupleUtils.makeTuple(TupleClassifier.Type.RESULT_TUPLE, "42", Clip.of(results).asJSON(), COMPLETED);
    Tuple tick = TupleUtils.makeTuple(TupleClassifier.Type.TICK_TUPLE);
    bolt.execute(tick);
    for (int i = 0; i < BulletStormConfig.DEFAULT_JOIN_BOLT_QUERY_TICK_TIMEOUT - 1; ++i) {
        bolt.execute(tick);
        Assert.assertFalse(wasResultEmittedTo(TopologyConstants.RESULT_STREAM, expected));
    }
    bolt.execute(tick);
    Assert.assertTrue(wasResultEmittedTo(TopologyConstants.RESULT_STREAM, expected));
    Tuple metadata = TupleUtils.makeTuple(TupleClassifier.Type.FEEDBACK_TUPLE, "42", new Metadata(Metadata.Signal.COMPLETE, null));
    Assert.assertTrue(wasMetadataEmittedTo(TopologyConstants.FEEDBACK_STREAM, metadata));
    Assert.assertEquals(collector.getAllEmittedTo(TopologyConstants.RESULT_STREAM).count(), 1);
    Assert.assertEquals(collector.getAllEmittedTo(TopologyConstants.FEEDBACK_STREAM).count(), 1);
}