Examples with TimeWindow org.apache.flink.streaming.api.windowing.windows.TimeWindow used on opensource projects

Example 41 with TimeWindow

use of org.apache.flink.streaming.api.windowing.windows.TimeWindow in project flink by apache.

the class StateDescriptorPassingTest method testApplyWindowState.

@Test
public void testApplyWindowState() throws Exception {
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);
    env.registerTypeWithKryoSerializer(File.class, JavaSerializer.class);
    DataStream<File> src = env.fromElements(new File("/"));
    SingleOutputStreamOperator<?> result = src.keyBy(new KeySelector<File, String>() {

        @Override
        public String getKey(File value) {
            return null;
        }
    }).timeWindow(Time.milliseconds(1000)).apply(new WindowFunction<File, String, String, TimeWindow>() {

        @Override
        public void apply(String s, TimeWindow window, Iterable<File> input, Collector<String> out) {
        }
    });
    validateListStateDescriptorConfigured(result);
}

Example 42 with TimeWindow

use of org.apache.flink.streaming.api.windowing.windows.TimeWindow in project flink by apache.

the class StateDescriptorPassingTest method testProcessWindowState.

@Test
public void testProcessWindowState() throws Exception {
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);
    env.registerTypeWithKryoSerializer(File.class, JavaSerializer.class);
    DataStream<File> src = env.fromElements(new File("/"));
    SingleOutputStreamOperator<?> result = src.keyBy(new KeySelector<File, String>() {

        @Override
        public String getKey(File value) {
            return null;
        }
    }).timeWindow(Time.milliseconds(1000)).process(new ProcessWindowFunction<File, String, String, TimeWindow>() {

        @Override
        public void process(String s, Context ctx, Iterable<File> input, Collector<String> out) {
        }
    });
    validateListStateDescriptorConfigured(result);
}

Example 43 with TimeWindow

use of org.apache.flink.streaming.api.windowing.windows.TimeWindow in project flink by apache.

the class StateDescriptorPassingTest method testApplyWindowAllState.

@Test
public void testApplyWindowAllState() throws Exception {
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);
    env.registerTypeWithKryoSerializer(File.class, JavaSerializer.class);
    DataStream<File> src = env.fromElements(new File("/"));
    SingleOutputStreamOperator<?> result = src.timeWindowAll(Time.milliseconds(1000)).apply(new AllWindowFunction<File, String, TimeWindow>() {

        @Override
        public void apply(TimeWindow window, Iterable<File> input, Collector<String> out) {
        }
    });
    validateListStateDescriptorConfigured(result);
}

Example 44 with TimeWindow

use of org.apache.flink.streaming.api.windowing.windows.TimeWindow in project flink by apache.

the class AllWindowTranslationTest method testApplyProcessingTimeTime.

@Test
@SuppressWarnings("rawtypes")
public void testApplyProcessingTimeTime() throws Exception {
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.setStreamTimeCharacteristic(TimeCharacteristic.ProcessingTime);
    DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));
    DataStream<Tuple2<String, Integer>> window1 = source.windowAll(TumblingProcessingTimeWindows.of(Time.of(1, TimeUnit.SECONDS))).apply(new AllWindowFunction<Tuple2<String, Integer>, Tuple2<String, Integer>, TimeWindow>() {

        private static final long serialVersionUID = 1L;

        @Override
        public void apply(TimeWindow window, Iterable<Tuple2<String, Integer>> values, Collector<Tuple2<String, Integer>> out) throws Exception {
            for (Tuple2<String, Integer> in : values) {
                out.collect(in);
            }
        }
    });
    OneInputTransformation<Tuple2<String, Integer>, Tuple2<String, Integer>> transform = (OneInputTransformation<Tuple2<String, Integer>, Tuple2<String, Integer>>) window1.getTransformation();
    OneInputStreamOperator<Tuple2<String, Integer>, Tuple2<String, Integer>> operator = transform.getOperator();
    Assert.assertTrue(operator instanceof WindowOperator);
    WindowOperator<String, Tuple2<String, Integer>, ?, ?, ?> winOperator = (WindowOperator<String, Tuple2<String, Integer>, ?, ?, ?>) operator;
    Assert.assertTrue(winOperator.getTrigger() instanceof ProcessingTimeTrigger);
    Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingProcessingTimeWindows);
    Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);
    processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

Example 45 with TimeWindow

use of org.apache.flink.streaming.api.windowing.windows.TimeWindow in project flink by apache.

the class AllWindowTranslationTest method testMergingAssignerWithNonMergingTriggerFails.

@Test
public void testMergingAssignerWithNonMergingTriggerFails() throws Exception {
    // verify that we check for trigger compatibility
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    AllWindowedStream<String, TimeWindow> windowedStream = env.fromElements("Hello", "Ciao").windowAll(EventTimeSessionWindows.withGap(Time.seconds(5)));
    try {
        windowedStream.trigger(new Trigger<String, TimeWindow>() {

            private static final long serialVersionUID = 6558046711583024443L;

            @Override
            public TriggerResult onElement(String element, long timestamp, TimeWindow window, TriggerContext ctx) throws Exception {
                return null;
            }

            @Override
            public TriggerResult onProcessingTime(long time, TimeWindow window, TriggerContext ctx) throws Exception {
                return null;
            }

            @Override
            public TriggerResult onEventTime(long time, TimeWindow window, TriggerContext ctx) throws Exception {
                return null;
            }

            @Override
            public boolean canMerge() {
                return false;
            }

            @Override
            public void clear(TimeWindow window, TriggerContext ctx) throws Exception {
            }
        });
    } catch (UnsupportedOperationException e) {
        // use a catch to ensure that the exception is thrown by the fold
        return;
    }
    fail("The trigger call should fail.");
}