Examples with StreamOperatorTask org.apache.samza.task.StreamOperatorTask used on opensource projects

Example 36 with StreamOperatorTask

use of org.apache.samza.task.StreamOperatorTask in project samza by apache.

the class TestJoinOperator method joinNoMatchReverse.

@Test
public void joinNoMatchReverse() throws Exception {
    StreamApplicationDescriptorImpl streamAppDesc = this.getTestJoinStreamGraph(new TestJoinFunction());
    StreamOperatorTask sot = createStreamOperatorTask(new SystemClock(), streamAppDesc);
    List<Integer> output = new ArrayList<>();
    MessageCollector messageCollector = envelope -> output.add((Integer) envelope.getMessage());
    // push messages to second stream
    numbers.forEach(n -> sot.processAsync(new SecondStreamIME(n, n), messageCollector, taskCoordinator, taskCallback));
    // push messages to first stream with different keys
    numbers.forEach(n -> sot.processAsync(new FirstStreamIME(n + 100, n), messageCollector, taskCoordinator, taskCallback));
    assertTrue(output.isEmpty());
}