Examples with TopologyContext org.apache.heron.api.topology.TopologyContext used on opensource projects

Example 11 with TopologyContext

use of org.apache.heron.api.topology.TopologyContext in project heron by twitter.

the class WindowedBoltExecutorTest method testExecuteWithLateTupleStream.

@Test
public void testExecuteWithLateTupleStream() throws Exception {
    testWindowedBolt = new TestWindowedBolt();
    testWindowedBolt.withTimestampField("ts");
    executor = new WindowedBoltExecutor(testWindowedBolt);
    TopologyContext context = getTopologyContext();
    Mockito.when(context.getThisStreams()).thenReturn(new HashSet<>(Arrays.asList("default", "$late")));
    OutputCollector outputCollector = Mockito.mock(OutputCollector.class);
    Map<String, Object> conf = new HashMap<>();
    conf.put(Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS, 100000);
    conf.put(WindowingConfigs.TOPOLOGY_BOLTS_WINDOW_LENGTH_DURATION_MS, 20L);
    conf.put(WindowingConfigs.TOPOLOGY_BOLTS_SLIDING_INTERVAL_DURATION_MS, 10L);
    conf.put(WindowingConfigs.TOPOLOGY_BOLTS_LATE_TUPLE_STREAM, "$late");
    conf.put(WindowingConfigs.TOPOLOGY_BOLTS_TUPLE_TIMESTAMP_MAX_LAG_MS, 5L);
    // Trigger manually to avoid timing issues
    conf.put(WindowingConfigs.TOPOLOGY_BOLTS_WATERMARK_EVENT_INTERVAL_MS, 1_000_000L);
    executor.prepare(conf, context, outputCollector);
    long[] timestamps = { 603, 605, 607, 618, 626, 636, 600 };
    List<Tuple> tuples = new ArrayList<>(timestamps.length);
    for (long ts : timestamps) {
        Tuple tuple = getTuple("s1", new Fields("ts"), new Values(ts));
        tuples.add(tuple);
        executor.execute(tuple);
        // Update the watermark to this timestamp
        executor.waterMarkEventGenerator.run();
    }
    System.out.println(testWindowedBolt.tupleWindows);
    Tuple tuple = tuples.get(tuples.size() - 1);
    Mockito.verify(outputCollector).emit("$late", Arrays.asList(tuple), new Values(tuple));
}

Example 12 with TopologyContext

use of org.apache.heron.api.topology.TopologyContext in project heron by twitter.

the class WindowedBoltExecutorTest method getTopologyContext.

private TopologyContext getTopologyContext() {
    TopologyContext context = Mockito.mock(TopologyContext.class);
    Map<TopologyAPI.StreamId, TopologyAPI.Grouping> sources = Collections.singletonMap(TopologyAPI.StreamId.newBuilder().setComponentName("s1").setId("default").build(), null);
    Mockito.when(context.getThisSources()).thenReturn(sources);
    return context;
}