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

Example 6 with TaskCallback

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

the class TestWindowOperator method testSessionWindowsDiscardingMode.

@Test
public void testSessionWindowsDiscardingMode() throws Exception {
    OperatorSpecGraph sgb = this.getKeyedSessionWindowStreamGraph(AccumulationMode.DISCARDING, Duration.ofMillis(500)).getOperatorSpecGraph();
    TestClock testClock = new TestClock();
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    StreamOperatorTask task = new StreamOperatorTask(sgb, testClock);
    task.init(this.context);
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 1);
    Assert.assertEquals(windowPanes.get(0).getKey().getPaneId(), "1");
    Assert.assertEquals(windowPanes.get(0).getKey().getKey(), new Integer(1));
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(3), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(3), messageCollector, taskCoordinator, taskCallback);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 3);
    Assert.assertEquals(windowPanes.get(0).getKey().getPaneId(), "1");
    Assert.assertEquals(windowPanes.get(1).getKey().getPaneId(), "1001");
    Assert.assertEquals(windowPanes.get(2).getKey().getPaneId(), "1001");
    Assert.assertEquals((windowPanes.get(0).getMessage()).size(), 2);
    Assert.assertEquals((windowPanes.get(1).getMessage()).size(), 2);
    Assert.assertEquals((windowPanes.get(2).getMessage()).size(), 2);
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 4);
    Assert.assertEquals(windowPanes.get(3).getKey().getKey(), new Integer(2));
    Assert.assertEquals(windowPanes.get(3).getKey().getPaneId(), "2001");
    Assert.assertEquals((windowPanes.get(3).getMessage()).size(), 2);
}

Example 7 with TaskCallback

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

the class TestWindowOperator method testTumblingWindowsAccumulatingMode.

@Test
public void testTumblingWindowsAccumulatingMode() throws Exception {
    OperatorSpecGraph sgb = this.getKeyedTumblingWindowStreamGraph(AccumulationMode.ACCUMULATING, Duration.ofSeconds(1), Triggers.repeat(Triggers.count(2))).getOperatorSpecGraph();
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    TestClock testClock = new TestClock();
    StreamOperatorTask task = new StreamOperatorTask(sgb, testClock);
    task.init(this.context);
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    integers.forEach(n -> task.processAsync(new IntegerEnvelope(n), messageCollector, taskCoordinator, taskCallback));
    testClock.advanceTime(Duration.ofSeconds(1));
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 7);
    Assert.assertEquals(windowPanes.get(0).getKey().getKey(), new Integer(1));
    Assert.assertEquals((windowPanes.get(0).getMessage()).size(), 2);
    Assert.assertEquals(windowPanes.get(1).getKey().getKey(), new Integer(2));
    Assert.assertEquals((windowPanes.get(1).getMessage()).size(), 2);
    Assert.assertEquals(windowPanes.get(2).getKey().getKey(), new Integer(1));
    Assert.assertEquals((windowPanes.get(2).getMessage()).size(), 4);
    Assert.assertEquals(windowPanes.get(3).getKey().getKey(), new Integer(2));
    Assert.assertEquals((windowPanes.get(3).getMessage()).size(), 4);
}

Example 8 with TaskCallback

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

the class TestWindowOperator method testCancelationOfRepeatingNestedTriggers.

@Test
public void testCancelationOfRepeatingNestedTriggers() throws Exception {
    OperatorSpecGraph sgb = this.getKeyedTumblingWindowStreamGraph(AccumulationMode.ACCUMULATING, Duration.ofSeconds(1), Triggers.repeat(Triggers.any(Triggers.count(2), Triggers.timeSinceFirstMessage(Duration.ofMillis(500))))).getOperatorSpecGraph();
    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, testClock);
    task.init(this.context);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    // 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.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    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.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    Assert.assertEquals(windowPanes.size(), 3);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    // 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 9 with TaskCallback

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

the class TestWindowOperator method testEndOfStreamFlushesWithDefaultTriggerFirings.

@Test
public void testEndOfStreamFlushesWithDefaultTriggerFirings() throws Exception {
    OperatorSpecGraph sgb = this.getKeyedSessionWindowStreamGraph(AccumulationMode.DISCARDING, Duration.ofMillis(500)).getOperatorSpecGraph();
    TestClock testClock = new TestClock();
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    StreamOperatorTask task = new StreamOperatorTask(sgb, testClock);
    task.init(this.context);
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    testClock.advanceTime(1000);
    task.window(messageCollector, taskCoordinator);
    Assert.assertEquals(windowPanes.size(), 1);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    final IncomingMessageEnvelope endOfStream = IncomingMessageEnvelope.buildEndOfStreamEnvelope(new SystemStreamPartition("kafka", "integers", new Partition(0)));
    task.processAsync(endOfStream, messageCollector, taskCoordinator, taskCallback);
    Assert.assertEquals(windowPanes.size(), 2);
    Assert.assertEquals(windowPanes.get(0).getMessage().size(), 2);
    verify(taskCoordinator, times(1)).commit(TaskCoordinator.RequestScope.CURRENT_TASK);
    verify(taskCoordinator, times(1)).shutdown(TaskCoordinator.RequestScope.CURRENT_TASK);
}

Example 10 with TaskCallback

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

the class TestWindowOperator method testSessionWindowsAccumulatingMode.

@Test
public void testSessionWindowsAccumulatingMode() throws Exception {
    OperatorSpecGraph sgb = this.getKeyedSessionWindowStreamGraph(AccumulationMode.DISCARDING, Duration.ofMillis(500)).getOperatorSpecGraph();
    TestClock testClock = new TestClock();
    StreamOperatorTask task = new StreamOperatorTask(sgb, testClock);
    List<WindowPane<Integer, Collection<IntegerEnvelope>>> windowPanes = new ArrayList<>();
    MessageCollector messageCollector = envelope -> windowPanes.add((WindowPane<Integer, Collection<IntegerEnvelope>>) envelope.getMessage());
    task.init(this.context);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(1), messageCollector, taskCoordinator, taskCallback);
    testClock.advanceTime(Duration.ofSeconds(1));
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    task.processAsync(new IntegerEnvelope(2), messageCollector, taskCoordinator, taskCallback);
    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);
}