Java Code Examples for org.apache.beam.sdk.transforms.windowing.FixedWindows#assignWindow()

The following examples show how to use org.apache.beam.sdk.transforms.windowing.FixedWindows#assignWindow() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LateDataUtilsTest.java    From beam with Apache License 2.0 6 votes vote down vote up 
@Test
public void garbageCollectionTimeAfterEndOfGlobalWindowWithLateness() {
  FixedWindows windowFn = FixedWindows.of(Duration.standardMinutes(5));
  Duration allowedLateness = Duration.millis(Long.MAX_VALUE);
  WindowingStrategy<?, ?> strategy =
      WindowingStrategy.globalDefault()
          .withWindowFn(windowFn)
          .withAllowedLateness(allowedLateness);

  IntervalWindow window = windowFn.assignWindow(new Instant(-100));
  assertThat(
      window.maxTimestamp().plus(allowedLateness),
      Matchers.greaterThan(GlobalWindow.INSTANCE.maxTimestamp()));
  assertThat(
      LateDataUtils.garbageCollectionTime(window, strategy),
      equalTo(GlobalWindow.INSTANCE.maxTimestamp()));
}
Example 2
Source File: LateDataUtilsTest.java    From beam with Apache License 2.0 5 votes vote down vote up 
@Test
public void beforeEndOfGlobalWindowSame() {
  FixedWindows windowFn = FixedWindows.of(Duration.standardMinutes(5));
  Duration allowedLateness = Duration.standardMinutes(2);
  WindowingStrategy<?, ?> strategy =
      WindowingStrategy.globalDefault()
          .withWindowFn(windowFn)
          .withAllowedLateness(allowedLateness);

  IntervalWindow window = windowFn.assignWindow(new Instant(10));
  assertThat(
      LateDataUtils.garbageCollectionTime(window, strategy),
      equalTo(window.maxTimestamp().plus(allowedLateness)));
}
Example 3
Source File: LateDataUtilsTest.java    From beam with Apache License 2.0 5 votes vote down vote up 
@Test
public void garbageCollectionTimeAfterEndOfGlobalWindow() {
  FixedWindows windowFn = FixedWindows.of(Duration.standardMinutes(5));
  WindowingStrategy<?, ?> strategy = WindowingStrategy.globalDefault().withWindowFn(windowFn);

  IntervalWindow window = windowFn.assignWindow(new Instant(BoundedWindow.TIMESTAMP_MAX_VALUE));
  assertThat(window.maxTimestamp(), equalTo(GlobalWindow.INSTANCE.maxTimestamp()));
  assertThat(
      LateDataUtils.garbageCollectionTime(window, strategy),
      equalTo(GlobalWindow.INSTANCE.maxTimestamp()));
}
Example 4
Source File: TestStreamTest.java    From beam with Apache License 2.0 4 votes vote down vote up 
@Test
@Category({NeedsRunner.class, UsesTestStream.class})
public void testDiscardingMode() {
  TestStream<String> stream =
      TestStream.create(StringUtf8Coder.of())
          .advanceWatermarkTo(new Instant(0))
          .addElements(
              TimestampedValue.of("firstPane", new Instant(100)),
              TimestampedValue.of("alsoFirstPane", new Instant(200)))
          .addElements(TimestampedValue.of("onTimePane", new Instant(500)))
          .advanceWatermarkTo(new Instant(1000L))
          .addElements(
              TimestampedValue.of("finalLatePane", new Instant(750)),
              TimestampedValue.of("alsoFinalLatePane", new Instant(250)))
          .advanceWatermarkToInfinity();

  FixedWindows windowFn = FixedWindows.of(Duration.millis(1000L));
  Duration allowedLateness = Duration.millis(5000L);
  PCollection<String> values =
      p.apply(stream)
          .apply(
              Window.<String>into(windowFn)
                  .triggering(
                      AfterWatermark.pastEndOfWindow()
                          .withEarlyFirings(AfterPane.elementCountAtLeast(2))
                          .withLateFirings(Never.ever()))
                  .discardingFiredPanes()
                  .withAllowedLateness(allowedLateness))
          .apply(WithKeys.of(1))
          .apply(GroupByKey.create())
          .apply(Values.create())
          .apply(Flatten.iterables());

  IntervalWindow window = windowFn.assignWindow(new Instant(100));
  PAssert.that(values)
      .inWindow(window)
      .containsInAnyOrder(
          "firstPane", "alsoFirstPane", "onTimePane", "finalLatePane", "alsoFinalLatePane");
  PAssert.that(values)
      .inCombinedNonLatePanes(window)
      .containsInAnyOrder("firstPane", "alsoFirstPane", "onTimePane");
  PAssert.that(values).inOnTimePane(window).containsInAnyOrder("onTimePane");
  PAssert.that(values)
      .inFinalPane(window)
      .containsInAnyOrder("finalLatePane", "alsoFinalLatePane");

  p.run();
}
Example 5
Source File: CreateStreamTest.java    From beam with Apache License 2.0 4 votes vote down vote up 
@Test
public void testDiscardingMode() throws IOException {
  CreateStream<String> source =
      CreateStream.of(StringUtf8Coder.of(), batchDuration())
          .nextBatch(
              TimestampedValue.of("firstPane", new Instant(100)),
              TimestampedValue.of("alsoFirstPane", new Instant(200)))
          .advanceWatermarkForNextBatch(new Instant(1001L))
          .nextBatch(TimestampedValue.of("onTimePane", new Instant(500)))
          .advanceNextBatchWatermarkToInfinity()
          .nextBatch(
              TimestampedValue.of("finalLatePane", new Instant(750)),
              TimestampedValue.of("alsoFinalLatePane", new Instant(250)));

  FixedWindows windowFn = FixedWindows.of(Duration.millis(1000L));
  Duration allowedLateness = Duration.millis(5000L);
  PCollection<String> values =
      p.apply(source)
          .apply(
              Window.<String>into(windowFn)
                  .triggering(
                      AfterWatermark.pastEndOfWindow()
                          .withEarlyFirings(AfterPane.elementCountAtLeast(2))
                          .withLateFirings(Never.ever()))
                  .discardingFiredPanes()
                  .withAllowedLateness(allowedLateness))
          .apply(WithKeys.of(1))
          .apply(GroupByKey.create())
          .apply(Values.create())
          .apply(Flatten.iterables());

  IntervalWindow window = windowFn.assignWindow(new Instant(100));
  PAssert.that(values)
      .inWindow(window)
      .containsInAnyOrder(
          "firstPane", "alsoFirstPane", "onTimePane", "finalLatePane", "alsoFinalLatePane");
  PAssert.that(values)
      .inCombinedNonLatePanes(window)
      .containsInAnyOrder("firstPane", "alsoFirstPane", "onTimePane");
  PAssert.that(values).inOnTimePane(window).containsInAnyOrder("onTimePane");
  PAssert.that(values)
      .inFinalPane(window)
      .containsInAnyOrder("finalLatePane", "alsoFinalLatePane");

  p.run();
}