Examples with Trigger org.apache.samza.operators.triggers.Trigger used on opensource projects

Example 1 with Trigger

use of org.apache.samza.operators.triggers.Trigger in project samza by apache.

the class TestWindowOperatorSpec method testTriggerIntervalWithSingleTimeTrigger.

@Test
public void testTriggerIntervalWithSingleTimeTrigger() {
    Trigger defaultTrigger = Triggers.timeSinceFirstMessage(Duration.ofMillis(150));
    Trigger earlyTrigger = Triggers.repeat(Triggers.count(5));
    WindowInternal window = new WindowInternal(defaultTrigger, null, null, null, null, WindowType.SESSION);
    window.setEarlyTrigger(earlyTrigger);
    WindowOperatorSpec spec = new WindowOperatorSpec(window, new MessageStreamImpl(null), 0);
    Assert.assertEquals(spec.getDefaultTriggerMs(), 150);
}

Example 2 with Trigger

use of org.apache.samza.operators.triggers.Trigger in project samza by apache.

the class TestWindowOperatorSpec method testTriggerIntervalWithNestedTimeTriggers.

@Test
public void testTriggerIntervalWithNestedTimeTriggers() {
    Trigger defaultTrigger = Triggers.timeSinceFirstMessage(Duration.ofMillis(150));
    Trigger lateTrigger = Triggers.any(Triggers.count(6), Triggers.timeSinceFirstMessage(Duration.ofMillis(15)));
    Trigger earlyTrigger = Triggers.repeat(Triggers.any(Triggers.count(23), Triggers.timeSinceFirstMessage(Duration.ofMillis(15)), Triggers.any(Triggers.any(Triggers.count(6), Triggers.timeSinceFirstMessage(Duration.ofMillis(15)), Triggers.timeSinceFirstMessage(Duration.ofMillis(25)), Triggers.timeSinceLastMessage(Duration.ofMillis(15))))));
    WindowInternal window = new WindowInternal(defaultTrigger, null, null, null, null, WindowType.SESSION);
    window.setEarlyTrigger(earlyTrigger);
    window.setLateTrigger(lateTrigger);
    WindowOperatorSpec spec = new WindowOperatorSpec(window, new MessageStreamImpl(null), 0);
    Assert.assertEquals(spec.getDefaultTriggerMs(), 5);
}

Example 3 with Trigger

use of org.apache.samza.operators.triggers.Trigger in project samza by apache.

the class TestWindowOperator method testCancelationOfRepeatingNestedTriggers.

@Test
public void testCancelationOfRepeatingNestedTriggers() throws Exception {
    StreamApplication sgb = new KeyedTumblingWindowStreamApplication(AccumulationMode.ACCUMULATING, Duration.ofSeconds(1), Triggers.repeat(Triggers.any(Triggers.count(2), Triggers.timeSinceFirstMessage(Duration.ofMillis(500)))));
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    TestClock testClock = new TestClock();
    StreamOperatorTask task = new StreamOperatorTask(sgb, runner, testClock);
    task.init(config, taskContext);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    //assert that the count trigger fired
    Assert.assertEquals(windowPanes.size(), 1);
    //advance the timer to enable the potential triggering of the inner timeSinceFirstMessage trigger
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    testClock.advanceTime(Duration.ofMillis(500));
    //assert that the triggering of the count trigger cancelled the inner timeSinceFirstMessage trigger
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 2);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 3);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    //advance timer by 500 more millis to enable the default trigger
    testClock.advanceTime(Duration.ofMillis(500));
    task.window(messageCollector, taskCoordinator);
    //assert that the default trigger fired
    Assert.assertEquals(windowPanes.size(), 4);
}

Example 4 with Trigger

use of org.apache.samza.operators.triggers.Trigger in project samza by apache.

the class TestWindowOperator method testCancellationOfAnyTrigger.

@Test
public void testCancellationOfAnyTrigger() throws Exception {
    StreamApplication sgb = new KeyedTumblingWindowStreamApplication(AccumulationMode.ACCUMULATING, Duration.ofSeconds(1), Triggers.any(Triggers.count(2), Triggers.timeSinceFirstMessage(Duration.ofMillis(500))));
    TestClock testClock = new TestClock();
    StreamOperatorTask task = new StreamOperatorTask(sgb, runner, testClock);
    task.init(config, taskContext);
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    //assert that the count trigger fired
    Assert.assertEquals(windowPanes.size(), 1);
    //advance the timer to enable the triggering of the inner timeSinceFirstMessage trigger
    testClock.advanceTime(Duration.ofMillis(500));
    //assert that the triggering of the count trigger cancelled the inner timeSinceFirstMessage trigger
    Assert.assertEquals(windowPanes.size(), 1);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    //advance timer by 500 more millis to enable the default trigger
    testClock.advanceTime(Duration.ofMillis(500));
    task.window(messageCollector, taskCoordinator);
    //assert that the default trigger fired
    Assert.assertEquals(windowPanes.size(), 2);
    Assert.assertEquals(windowPanes.get(1).getFiringType(), FiringType.DEFAULT);
    Assert.assertEquals(windowPanes.get(1).getKey().getKey(), new Integer(1));
    Assert.assertEquals(windowPanes.get(1).getKey().getPaneId(), "0");
    Assert.assertEquals((windowPanes.get(1).getMessage()).size(), 5);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    //advance timer by 500 millis to enable the inner timeSinceFirstMessage trigger
    testClock.advanceTime(Duration.ofMillis(500));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 3);
    Assert.assertEquals(windowPanes.get(2).getFiringType(), FiringType.EARLY);
    Assert.assertEquals(windowPanes.get(2).getKey().getKey(), new Integer(1));
    Assert.assertEquals(windowPanes.get(2).getKey().getPaneId(), "1000");
    //advance timer by > 500 millis to enable the default trigger
    testClock.advanceTime(Duration.ofMillis(900));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 4);
    Assert.assertEquals(windowPanes.get(3).getFiringType(), FiringType.DEFAULT);
    Assert.assertEquals(windowPanes.get(3).getKey().getKey(), new Integer(1));
    Assert.assertEquals(windowPanes.get(3).getKey().getPaneId(), "1000");
}