Java CountTrigger类代码示例

本文整理汇总了Java中org.apache.flink.streaming.api.windowing.triggers.CountTrigger类的典型用法代码示例。如果您正苦于以下问题：Java CountTrigger类的具体用法？Java CountTrigger怎么用？Java CountTrigger使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。

CountTrigger类属于org.apache.flink.streaming.api.windowing.triggers包，在下文中一共展示了CountTrigger类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: testReduceWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testReduceWithCustomTrigger() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DummyReducer reducer = new DummyReducer();

	DataStream<Tuple2<String, Integer>> window1 = source
			.keyBy(0)
			.window(SlidingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS), Time.of(100, TimeUnit.MILLISECONDS)))
			.trigger(CountTrigger.of(1))
			.reduce(reducer);

	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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof SlidingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ReducingStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:27，代码来源:WindowTranslationTest.java

示例2: testFoldWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testFoldWithCustomTrigger() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DataStream<Tuple3<String, String, Integer>> window1 = source
			.keyBy(0)
			.window(SlidingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS), Time.of(100, TimeUnit.MILLISECONDS)))
			.trigger(CountTrigger.of(1))
			.fold(new Tuple3<>("", "", 1), new DummyFolder());

	OneInputTransformation<Tuple2<String, Integer>, Tuple3<String, String, Integer>> transform =
			(OneInputTransformation<Tuple2<String, Integer>, Tuple3<String, String, Integer>>) window1.getTransformation();
	OneInputStreamOperator<Tuple2<String, Integer>, Tuple3<String, 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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof SlidingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof FoldingStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:26，代码来源:WindowTranslationTest.java

示例3: testReduceWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testReduceWithCustomTrigger() 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));

	DummyReducer reducer = new DummyReducer();

	DataStream<Tuple2<String, Integer>> window1 = source
			.windowAll(SlidingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS), Time.of(100, TimeUnit.MILLISECONDS)))
			.trigger(CountTrigger.of(1))
			.reduce(reducer);

	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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof SlidingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ReducingStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:26，代码来源:AllWindowTranslationTest.java

示例4: testFoldWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testFoldWithCustomTrigger() 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<Tuple3<String, String, Integer>> window1 = source
			.windowAll(SlidingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS), Time.of(100, TimeUnit.MILLISECONDS)))
			.trigger(CountTrigger.of(1))
			.fold(new Tuple3<>("", "", 1), new DummyFolder());

	OneInputTransformation<Tuple2<String, Integer>, Tuple3<String, String, Integer>> transform =
			(OneInputTransformation<Tuple2<String, Integer>, Tuple3<String, String, Integer>>) window1.getTransformation();
	OneInputStreamOperator<Tuple2<String, Integer>, Tuple3<String, 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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof SlidingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof FoldingStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:25，代码来源:AllWindowTranslationTest.java

示例5: main

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
public static void main(String[] args) throws Exception {

        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(1);
        Integer[] array = new Integer[]{1, 2, 4, 3, 4, 3, 4, 5, 4, 6, 7, 3, 3, 6, 1, 1, 3, 2, 4, 6};
        List<Integer> list = Arrays.asList(array);
        DataStream<Tuple2<Integer, Integer>> counts = env.fromCollection(list)
                .windowAll(GlobalWindows.create())
                .trigger(CountTrigger.of(5)).apply(new AllWindowFunction<Integer, Tuple2<Integer, Integer>, GlobalWindow>() {
                    @Override
                    public void apply(GlobalWindow window, Iterable<Integer> tuples, Collector<Tuple2<Integer, Integer>> out) throws Exception {
                        HashMap<Integer, Integer> map = new HashMap<>();
                        for (Integer tuple : tuples) {
                            Integer value = 0;
                            if (map.containsKey(tuple)) {
                                value = map.get(tuple);
                            }
                            map.put(tuple, value + 1);
                        }

                        for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
                            out.collect(new Tuple2<>(entry.getKey(), entry.getValue()));
                        }
                    }
                });

        counts.print();

        env.execute("Stream WordCount");
    }

开发者ID:wangyangjun，项目名称:StreamBench，代码行数:31，代码来源:CountWindowTest.java

示例6: testProcessWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testProcessWithCustomTrigger() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DataStream<Tuple2<String, Integer>> window1 = source
			.keyBy(new TupleKeySelector())
			.window(TumblingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS)))
			.trigger(CountTrigger.of(1))
			.process(new ProcessWindowFunction<Tuple2<String, Integer>, Tuple2<String, Integer>, String, TimeWindow>() {
				private static final long serialVersionUID = 1L;

				@Override
				public void process(String key,
						Context ctx,
						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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:37，代码来源:WindowTranslationTest.java

示例7: testProcessWithEvictor

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testProcessWithEvictor() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DataStream<Tuple2<String, Integer>> window1 = source
			.keyBy(new TupleKeySelector())
			.window(TumblingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS)))
			.trigger(CountTrigger.of(1))
			.evictor(TimeEvictor.of(Time.of(100, TimeUnit.MILLISECONDS)))
			.process(new ProcessWindowFunction<Tuple2<String, Integer>, Tuple2<String, Integer>, String, TimeWindow>() {
				private static final long serialVersionUID = 1L;

				@Override
				public void process(String key,
						Context ctx,
						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 EvictingWindowOperator);
	EvictingWindowOperator<String, Tuple2<String, Integer>, ?, ?> winOperator = (EvictingWindowOperator<String, Tuple2<String, Integer>, ?, ?>) operator;
	Assert.assertTrue(winOperator.getTrigger() instanceof CountTrigger);
	Assert.assertTrue(winOperator.getEvictor() instanceof TimeEvictor);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:39，代码来源:WindowTranslationTest.java

示例8: writeSessionWindowsWithCountTriggerInMintConditionSnapshot

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
/**
 * Manually run this to write binary snapshot data.
 */
@Ignore
@Test
public void writeSessionWindowsWithCountTriggerInMintConditionSnapshot() throws Exception {

	final int sessionSize = 3;

	TypeInformation<Tuple2<String, Integer>> inputType = TypeInfoParser.parse("Tuple2<String, Integer>");

	ListStateDescriptor<Tuple2<String, Integer>> stateDesc = new ListStateDescriptor<>("window-contents",
			inputType.createSerializer(new ExecutionConfig()));

	WindowOperator<String, Tuple2<String, Integer>, Iterable<Tuple2<String, Integer>>, Tuple3<String, Long, Long>, TimeWindow> operator = new WindowOperator<>(
			EventTimeSessionWindows.withGap(Time.seconds(sessionSize)),
			new TimeWindow.Serializer(),
			new TupleKeySelector(),
			BasicTypeInfo.STRING_TYPE_INFO.createSerializer(new ExecutionConfig()),
			stateDesc,
			new InternalIterableWindowFunction<>(new SessionWindowFunction()),
			PurgingTrigger.of(CountTrigger.of(4)),
			0,
			null /* late data output tag */);

	OneInputStreamOperatorTestHarness<Tuple2<String, Integer>, Tuple3<String, Long, Long>> testHarness =
			new KeyedOneInputStreamOperatorTestHarness<>(operator, new TupleKeySelector(), BasicTypeInfo.STRING_TYPE_INFO);

	testHarness.setup();
	testHarness.open();

	// do snapshot and save to file
	OperatorStateHandles snapshot = testHarness.snapshot(0, 0);
	OperatorSnapshotUtil.writeStateHandle(
		snapshot,
		"src/test/resources/win-op-migration-test-session-with-stateful-trigger-mint-flink" + flinkGenerateSavepointVersion + "-snapshot");

	testHarness.close();
}

开发者ID:axbaretto，项目名称:flink，代码行数:40，代码来源:WindowOperatorMigrationTest.java

示例9: testProcessWithEvictor

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testProcessWithEvictor() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DataStream<Tuple2<String, Integer>> window1 = source
			.windowAll(TumblingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS)))
			.trigger(CountTrigger.of(1))
			.evictor(TimeEvictor.of(Time.of(100, TimeUnit.MILLISECONDS)))
			.process(new ProcessAllWindowFunction<Tuple2<String, Integer>, Tuple2<String, Integer>, TimeWindow>() {
				private static final long serialVersionUID = 1L;

				@Override
				public void process(
						Context ctx,
						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 EvictingWindowOperator);
	EvictingWindowOperator<String, Tuple2<String, Integer>, ?, ?> winOperator = (EvictingWindowOperator<String, Tuple2<String, Integer>, ?, ?>) operator;
	Assert.assertTrue(winOperator.getTrigger() instanceof CountTrigger);
	Assert.assertTrue(winOperator.getEvictor() instanceof TimeEvictor);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:38，代码来源:AllWindowTranslationTest.java

示例10: testProcessWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testProcessWithCustomTrigger() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DataStream<Tuple2<String, Integer>> window1 = source
			.windowAll(TumblingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS)))
			.trigger(CountTrigger.of(1))
			.process(new ProcessAllWindowFunction<Tuple2<String, Integer>, Tuple2<String, Integer>, TimeWindow>() {
				private static final long serialVersionUID = 1L;

				@Override
				public void process(
						Context ctx,
						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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:36，代码来源:AllWindowTranslationTest.java

示例11: testApplyWithCustomTrigger

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testApplyWithCustomTrigger() 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(TumblingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS)))
			.trigger(CountTrigger.of(1))
			.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 CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingEventTimeWindows);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:36，代码来源:AllWindowTranslationTest.java

示例12: testApplyWithEvictor

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
@SuppressWarnings("rawtypes")
public void testApplyWithEvictor() throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
	env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);

	DataStream<Tuple2<String, Integer>> source = env.fromElements(Tuple2.of("hello", 1), Tuple2.of("hello", 2));

	DataStream<Tuple2<String, Integer>> window1 = source
			.windowAll(TumblingEventTimeWindows.of(Time.of(1, TimeUnit.SECONDS)))
			.trigger(CountTrigger.of(1))
			.evictor(TimeEvictor.of(Time.of(100, TimeUnit.MILLISECONDS)))
			.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 EvictingWindowOperator);
	EvictingWindowOperator<String, Tuple2<String, Integer>, ?, ?> winOperator = (EvictingWindowOperator<String, Tuple2<String, Integer>, ?, ?>) operator;
	Assert.assertTrue(winOperator.getTrigger() instanceof CountTrigger);
	Assert.assertTrue(winOperator.getWindowAssigner() instanceof TumblingEventTimeWindows);
	Assert.assertTrue(winOperator.getEvictor() instanceof TimeEvictor);
	Assert.assertTrue(winOperator.getStateDescriptor() instanceof ListStateDescriptor);

	processElementAndEnsureOutput(winOperator, winOperator.getKeySelector(), BasicTypeInfo.STRING_TYPE_INFO, new Tuple2<>("hello", 1));
}

开发者ID:axbaretto，项目名称:flink，代码行数:38，代码来源:AllWindowTranslationTest.java

示例13: testWindowSeparationAndFiring

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
/**
 * Verify that state of separate windows does not leak into other windows.
 */
@Test
public void testWindowSeparationAndFiring() throws Exception {
	TriggerTestHarness<Object, TimeWindow> testHarness =
			new TriggerTestHarness<>(CountTrigger.<TimeWindow>of(3), new TimeWindow.Serializer());

	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(0, 2)));
	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(2, 4)));

	// shouldn't have any timers
	assertEquals(0, testHarness.numProcessingTimeTimers());
	assertEquals(0, testHarness.numEventTimeTimers());

	assertEquals(2, testHarness.numStateEntries());
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(2, 4)));

	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(0, 2)));
	assertEquals(TriggerResult.FIRE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(0, 2)));
	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(2, 4)));

	// right now, CountTrigger will clear it's state in onElement when firing
	// ideally, this should be moved to onFire()
	assertEquals(1, testHarness.numStateEntries());
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(2, 4)));

	assertEquals(TriggerResult.FIRE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(2, 4)));

	// now all state should be gone
	assertEquals(0, testHarness.numStateEntries());
}

开发者ID:axbaretto，项目名称:flink，代码行数:35，代码来源:CountTriggerTest.java

示例14: testClear

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
/**
 * Verify that clear() does not leak across windows.
 */
@Test
public void testClear() throws Exception {
	TriggerTestHarness<Object, TimeWindow> testHarness =
			new TriggerTestHarness<>(CountTrigger.<TimeWindow>of(3), new TimeWindow.Serializer());

	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(0, 2)));
	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(2, 4)));

	// shouldn't have any timers
	assertEquals(0, testHarness.numProcessingTimeTimers());
	assertEquals(0, testHarness.numEventTimeTimers());

	assertEquals(2, testHarness.numStateEntries());
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(2, 4)));

	testHarness.clearTriggerState(new TimeWindow(2, 4));

	assertEquals(1, testHarness.numStateEntries());
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(2, 4)));

	testHarness.clearTriggerState(new TimeWindow(0, 2));

	assertEquals(0, testHarness.numStateEntries());
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(2, 4)));
}

开发者ID:axbaretto，项目名称:flink，代码行数:32，代码来源:CountTriggerTest.java

示例15: testMergingWindows

import org.apache.flink.streaming.api.windowing.triggers.CountTrigger; //导入依赖的package包/类
@Test
public void testMergingWindows() throws Exception {
	TriggerTestHarness<Object, TimeWindow> testHarness =
			new TriggerTestHarness<>(CountTrigger.<TimeWindow>of(3), new TimeWindow.Serializer());

	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(0, 2)));
	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(2, 4)));
	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(4, 6)));

	// shouldn't have any timers
	assertEquals(0, testHarness.numProcessingTimeTimers());
	assertEquals(0, testHarness.numEventTimeTimers());

	assertEquals(3, testHarness.numStateEntries());
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(2, 4)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(4, 6)));

	testHarness.mergeWindows(new TimeWindow(0, 4), Lists.newArrayList(new TimeWindow(0, 2), new TimeWindow(2, 4)));

	assertEquals(2, testHarness.numStateEntries());
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(0, 2)));
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(2, 4)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(0, 4)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(4, 6)));

	assertEquals(TriggerResult.FIRE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(0, 4)));

	assertEquals(1, testHarness.numStateEntries());
	assertEquals(0, testHarness.numStateEntries(new TimeWindow(0, 4)));
	assertEquals(1, testHarness.numStateEntries(new TimeWindow(4, 6)));

	assertEquals(TriggerResult.CONTINUE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(4, 6)));
	assertEquals(TriggerResult.FIRE, testHarness.processElement(new StreamRecord<Object>(1), new TimeWindow(4, 6)));

	assertEquals(0, testHarness.numStateEntries());
}

开发者ID:axbaretto，项目名称:flink，代码行数:38，代码来源:CountTriggerTest.java

注：本文中的org.apache.flink.streaming.api.windowing.triggers.CountTrigger类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。