Examples with WindowPane org.apache.samza.operators.windows.WindowPane used on opensource projects

Example 16 with WindowPane

use of org.apache.samza.operators.windows.WindowPane in project samza by apache.

the class TestWindowOperator method testNonKeyedTumblingWindowsDiscardingMode.

@Test
public void testNonKeyedTumblingWindowsDiscardingMode() throws Exception {
    StreamApplication sgb = new TumblingWindowStreamApplication(AccumulationMode.DISCARDING, Duration.ofSeconds(1), Triggers.repeat(Triggers.count(1000)));
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    TestClock testClock = new TestClock();
    StreamOperatorTask task = new StreamOperatorTask(sgb, runner, testClock);
    task.init(config, taskContext);
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    Assert.assertEquals(windowPanes.size(), 0);
    integers.forEach(n -> task.process(new IntegerEnvelope(n), messageCollector, taskCoordinator));
    Assert.assertEquals(windowPanes.size(), 0);
    testClock.advanceTime(Duration.ofSeconds(1));
    Assert.assertEquals(windowPanes.size(), 0);
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 1);
    Assert.assertEquals((windowPanes.get(0).getMessage()).size(), 9);
}

Example 17 with WindowPane

use of org.apache.samza.operators.windows.WindowPane 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 18 with WindowPane

use of org.apache.samza.operators.windows.WindowPane in project samza by apache.

the class TestWindowOperator method testSessionWindowsAccumulatingMode.

@Test
public void testSessionWindowsAccumulatingMode() throws Exception {
    StreamApplication sgb = new KeyedSessionWindowStreamApplication(AccumulationMode.DISCARDING, Duration.ofMillis(500));
    TestClock testClock = new TestClock();
    StreamOperatorTask task = new StreamOperatorTask(sgb, runner, testClock);
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    task.init(config, taskContext);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.process(new IntegerEnvelope(2), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(2), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(2), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(2), messageCollector, taskCoordinator);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 2);
    Assert.assertEquals((windowPanes.get(0).getMessage()).size(), 2);
    Assert.assertEquals(windowPanes.get(0).getKey().getKey(), new Integer(1));
    Assert.assertEquals(windowPanes.get(1).getKey().getKey(), new Integer(2));
    Assert.assertEquals((windowPanes.get(0).getMessage()).size(), 2);
    Assert.assertEquals((windowPanes.get(1).getMessage()).size(), 4);
}

Example 19 with WindowPane

use of org.apache.samza.operators.windows.WindowPane in project samza by apache.

the class TestWindowOperator method testCancellationOfOnceTrigger.

@Test
public void testCancellationOfOnceTrigger() throws Exception {
    StreamApplication sgb = new KeyedTumblingWindowStreamApplication(AccumulationMode.ACCUMULATING, Duration.ofSeconds(1), Triggers.count(2));
    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.assertEquals(windowPanes.size(), 1);
    Assert.assertEquals(windowPanes.get(0).getKey().getPaneId(), "0");
    Assert.assertEquals(windowPanes.get(0).getKey().getKey(), new Integer(1));
    Assert.assertEquals(windowPanes.get(0).getFiringType(), FiringType.EARLY);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    task.process(new IntegerEnvelope(1), messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 1);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 2);
    Assert.assertEquals(windowPanes.get(0).getKey().getPaneId(), "0");
    Assert.assertEquals(windowPanes.get(1).getKey().getPaneId(), "0");
    Assert.assertEquals(windowPanes.get(1).getFiringType(), FiringType.DEFAULT);
    task.process(new IntegerEnvelope(3), messageCollector, taskCoordinator);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 3);
    Assert.assertEquals(windowPanes.get(2).getKey().getKey(), new Integer(3));
    Assert.assertEquals(windowPanes.get(2).getKey().getPaneId(), "1000");
    Assert.assertEquals(windowPanes.get(2).getFiringType(), FiringType.DEFAULT);
    Assert.assertEquals((windowPanes.get(2).getMessage()).size(), 1);
}

Example 20 with WindowPane

use of org.apache.samza.operators.windows.WindowPane 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");
}