Examples with OperatorSubtaskState org.apache.flink.runtime.checkpoint.OperatorSubtaskState used on opensource projects

Example 21 with OperatorSubtaskState

use of org.apache.flink.runtime.checkpoint.OperatorSubtaskState in project flink by apache.

the class CEPOperatorTest method testKeyedCEPOperatorNFAUpdate.

@Test
public void testKeyedCEPOperatorNFAUpdate() throws Exception {
    CepOperator<Event, Integer, Map<String, List<Event>>> operator = CepOperatorTestUtilities.getKeyedCepOperator(true, new SimpleNFAFactory());
    OneInputStreamOperatorTestHarness<Event, Map<String, List<Event>>> harness = CepOperatorTestUtilities.getCepTestHarness(operator);
    try {
        harness.open();
        Event startEvent = new Event(42, "c", 1.0);
        SubEvent middleEvent = new SubEvent(42, "a", 1.0, 10.0);
        Event endEvent = new Event(42, "b", 1.0);
        harness.processElement(new StreamRecord<>(startEvent, 1L));
        // simulate snapshot/restore with some elements in internal sorting queue
        OperatorSubtaskState snapshot = harness.snapshot(0L, 0L);
        harness.close();
        operator = CepOperatorTestUtilities.getKeyedCepOperator(true, new SimpleNFAFactory());
        harness = CepOperatorTestUtilities.getCepTestHarness(operator);
        harness.setup();
        harness.initializeState(snapshot);
        harness.open();
        harness.processElement(new StreamRecord<>(new Event(42, "d", 1.0), 4L));
        OperatorSubtaskState snapshot2 = harness.snapshot(0L, 0L);
        harness.close();
        operator = CepOperatorTestUtilities.getKeyedCepOperator(true, new SimpleNFAFactory());
        harness = CepOperatorTestUtilities.getCepTestHarness(operator);
        harness.setup();
        harness.initializeState(snapshot2);
        harness.open();
        harness.processElement(new StreamRecord<Event>(middleEvent, 4L));
        harness.processElement(new StreamRecord<>(endEvent, 4L));
        // get and verify the output
        Queue<Object> result = harness.getOutput();
        assertEquals(1, result.size());
        verifyPattern(result.poll(), startEvent, middleEvent, endEvent);
    } finally {
        harness.close();
    }
}

Example 22 with OperatorSubtaskState

use of org.apache.flink.runtime.checkpoint.OperatorSubtaskState in project flink by apache.

the class CEPOperatorTest method testCEPOperatorCleanupEventTime.

@Test
public void testCEPOperatorCleanupEventTime() throws Exception {
    Event startEvent1 = new Event(42, "start", 1.0);
    Event startEvent2 = new Event(42, "start", 2.0);
    SubEvent middleEvent1 = new SubEvent(42, "foo1", 1.0, 10.0);
    SubEvent middleEvent2 = new SubEvent(42, "foo2", 1.0, 10.0);
    SubEvent middleEvent3 = new SubEvent(42, "foo3", 1.0, 10.0);
    Event endEvent1 = new Event(42, "end", 1.0);
    Event endEvent2 = new Event(42, "end", 2.0);
    Event startEventK2 = new Event(43, "start", 1.0);
    CepOperator<Event, Integer, Map<String, List<Event>>> operator = getKeyedCepOperator(false);
    OneInputStreamOperatorTestHarness<Event, Map<String, List<Event>>> harness = CepOperatorTestUtilities.getCepTestHarness(operator);
    try {
        harness.open();
        harness.processWatermark(new Watermark(Long.MIN_VALUE));
        harness.processElement(new StreamRecord<>(new Event(42, "foobar", 1.0), 2L));
        harness.processElement(new StreamRecord<Event>(middleEvent1, 2L));
        harness.processElement(new StreamRecord<Event>(new SubEvent(42, "barfoo", 1.0, 5.0), 3L));
        harness.processElement(new StreamRecord<>(startEvent1, 1L));
        harness.processElement(new StreamRecord<>(startEventK2, 1L));
        // there must be 2 keys 42, 43 registered for the watermark callback
        // all the seen elements must be in the priority queues but no NFA yet.
        assertEquals(2L, harness.numEventTimeTimers());
        assertEquals(4L, operator.getPQSize(42));
        assertEquals(1L, operator.getPQSize(43));
        assertTrue(!operator.hasNonEmptySharedBuffer(42));
        assertTrue(!operator.hasNonEmptySharedBuffer(43));
        harness.processWatermark(new Watermark(2L));
        verifyWatermark(harness.getOutput().poll(), Long.MIN_VALUE);
        verifyWatermark(harness.getOutput().poll(), 2L);
        // still the 2 keys
        // one element in PQ for 42 (the barfoo) as it arrived early
        // for 43 the element entered the NFA and the PQ is empty
        assertEquals(2L, harness.numEventTimeTimers());
        assertTrue(operator.hasNonEmptySharedBuffer(42));
        assertEquals(1L, operator.getPQSize(42));
        assertTrue(operator.hasNonEmptySharedBuffer(43));
        assertTrue(!operator.hasNonEmptyPQ(43));
        harness.processElement(new StreamRecord<>(startEvent2, 4L));
        harness.processElement(new StreamRecord<Event>(middleEvent2, 5L));
        OperatorSubtaskState snapshot = harness.snapshot(0L, 0L);
        harness.close();
        CepOperator<Event, Integer, Map<String, List<Event>>> operator2 = getKeyedCepOperator(false);
        harness = CepOperatorTestUtilities.getCepTestHarness(operator2);
        harness.setup();
        harness.initializeState(snapshot);
        harness.open();
        harness.processElement(new StreamRecord<>(endEvent1, 6L));
        harness.processWatermark(11L);
        harness.processWatermark(12L);
        // now we have 1 key because the 43 expired and was removed.
        // 42 is still there due to startEvent2
        assertEquals(1L, harness.numEventTimeTimers());
        assertTrue(operator2.hasNonEmptySharedBuffer(42));
        assertTrue(!operator2.hasNonEmptyPQ(42));
        assertTrue(!operator2.hasNonEmptySharedBuffer(43));
        assertTrue(!operator2.hasNonEmptyPQ(43));
        verifyPattern(harness.getOutput().poll(), startEvent1, middleEvent1, endEvent1);
        verifyPattern(harness.getOutput().poll(), startEvent1, middleEvent2, endEvent1);
        verifyPattern(harness.getOutput().poll(), startEvent2, middleEvent2, endEvent1);
        verifyWatermark(harness.getOutput().poll(), 11L);
        verifyWatermark(harness.getOutput().poll(), 12L);
        // this is a late event, because timestamp(12) = last watermark(12)
        harness.processElement(new StreamRecord<Event>(middleEvent3, 12L));
        harness.processElement(new StreamRecord<>(endEvent2, 13L));
        harness.processWatermark(20L);
        harness.processWatermark(21L);
        assertTrue(!operator2.hasNonEmptySharedBuffer(42));
        assertTrue(!operator2.hasNonEmptyPQ(42));
        assertEquals(0L, harness.numEventTimeTimers());
        assertEquals(3, harness.getOutput().size());
        verifyPattern(harness.getOutput().poll(), startEvent2, middleEvent2, endEvent2);
        verifyWatermark(harness.getOutput().poll(), 20L);
        verifyWatermark(harness.getOutput().poll(), 21L);
    } finally {
        harness.close();
    }
}

Example 23 with OperatorSubtaskState

use of org.apache.flink.runtime.checkpoint.OperatorSubtaskState in project flink by apache.

the class CEPOperatorTest method testKeyedCEPOperatorNFAUpdateWithRocksDB.

@Test
public void testKeyedCEPOperatorNFAUpdateWithRocksDB() throws Exception {
    String rocksDbPath = tempFolder.newFolder().getAbsolutePath();
    RocksDBStateBackend rocksDBStateBackend = new RocksDBStateBackend(new MemoryStateBackend(), TernaryBoolean.FALSE);
    rocksDBStateBackend.setDbStoragePath(rocksDbPath);
    CepOperator<Event, Integer, Map<String, List<Event>>> operator = CepOperatorTestUtilities.getKeyedCepOperator(true, new SimpleNFAFactory());
    OneInputStreamOperatorTestHarness<Event, Map<String, List<Event>>> harness = CepOperatorTestUtilities.getCepTestHarness(operator);
    try {
        harness.setStateBackend(rocksDBStateBackend);
        harness.open();
        Event startEvent = new Event(42, "c", 1.0);
        SubEvent middleEvent = new SubEvent(42, "a", 1.0, 10.0);
        Event endEvent = new Event(42, "b", 1.0);
        harness.processElement(new StreamRecord<>(startEvent, 1L));
        // simulate snapshot/restore with some elements in internal sorting queue
        OperatorSubtaskState snapshot = harness.snapshot(0L, 0L);
        harness.close();
        operator = CepOperatorTestUtilities.getKeyedCepOperator(true, new SimpleNFAFactory());
        harness = CepOperatorTestUtilities.getCepTestHarness(operator);
        rocksDBStateBackend = new RocksDBStateBackend(new MemoryStateBackend());
        rocksDBStateBackend.setDbStoragePath(rocksDbPath);
        harness.setStateBackend(rocksDBStateBackend);
        harness.setup();
        harness.initializeState(snapshot);
        harness.open();
        harness.processElement(new StreamRecord<>(new Event(42, "d", 1.0), 4L));
        OperatorSubtaskState snapshot2 = harness.snapshot(0L, 0L);
        harness.close();
        operator = CepOperatorTestUtilities.getKeyedCepOperator(true, new SimpleNFAFactory());
        harness = CepOperatorTestUtilities.getCepTestHarness(operator);
        rocksDBStateBackend = new RocksDBStateBackend(new MemoryStateBackend());
        rocksDBStateBackend.setDbStoragePath(rocksDbPath);
        harness.setStateBackend(rocksDBStateBackend);
        harness.setup();
        harness.initializeState(snapshot2);
        harness.open();
        harness.processElement(new StreamRecord<Event>(middleEvent, 4L));
        harness.processElement(new StreamRecord<>(endEvent, 4L));
        // get and verify the output
        Queue<Object> result = harness.getOutput();
        assertEquals(1, result.size());
        verifyPattern(result.poll(), startEvent, middleEvent, endEvent);
    } finally {
        harness.close();
    }
}

Example 24 with OperatorSubtaskState

use of org.apache.flink.runtime.checkpoint.OperatorSubtaskState in project flink by apache.

the class CEPOperatorTest method testCEPOperatorComparatorEventTime.

@Test
public void testCEPOperatorComparatorEventTime() throws Exception {
    Event startEvent1 = new Event(42, "start", 1.0);
    Event startEvent2 = new Event(42, "start", 2.0);
    SubEvent middleEvent1 = new SubEvent(42, "foo1", 1.0, 10.0);
    SubEvent middleEvent2 = new SubEvent(42, "foo2", 2.0, 10.0);
    Event endEvent = new Event(42, "end", 1.0);
    Event startEventK2 = new Event(43, "start", 1.0);
    CepOperator<Event, Integer, Map<String, List<Event>>> operator = getKeyedCepOperatorWithComparator(false);
    OneInputStreamOperatorTestHarness<Event, Map<String, List<Event>>> harness = CepOperatorTestUtilities.getCepTestHarness(operator);
    try {
        harness.open();
        harness.processWatermark(0L);
        harness.processElement(new StreamRecord<>(startEvent1, 1L));
        harness.processElement(new StreamRecord<>(startEventK2, 1L));
        harness.processElement(new StreamRecord<>(new Event(42, "foobar", 1.0), 2L));
        harness.processElement(new StreamRecord<Event>(new SubEvent(42, "barfoo", 1.0, 5.0), 3L));
        assertTrue(operator.hasNonEmptyPQ(42));
        assertTrue(operator.hasNonEmptyPQ(43));
        assertFalse(operator.hasNonEmptySharedBuffer(42));
        assertFalse(operator.hasNonEmptySharedBuffer(43));
        harness.processWatermark(3L);
        assertFalse(operator.hasNonEmptyPQ(42));
        assertFalse(operator.hasNonEmptyPQ(43));
        assertTrue(operator.hasNonEmptySharedBuffer(42));
        assertTrue(operator.hasNonEmptySharedBuffer(43));
        harness.processElement(new StreamRecord<>(startEvent2, 4L));
        harness.processElement(new StreamRecord<Event>(middleEvent2, 5L));
        harness.processElement(new StreamRecord<Event>(middleEvent1, 5L));
        OperatorSubtaskState snapshot = harness.snapshot(0L, 0L);
        harness.close();
        CepOperator<Event, Integer, Map<String, List<Event>>> operator2 = getKeyedCepOperatorWithComparator(false);
        harness = CepOperatorTestUtilities.getCepTestHarness(operator2);
        harness.setup();
        harness.initializeState(snapshot);
        harness.open();
        harness.processElement(new StreamRecord<>(endEvent, 6L));
        harness.processWatermark(6L);
        verifyPattern(harness.getOutput().poll(), startEvent1, middleEvent1, endEvent);
        verifyPattern(harness.getOutput().poll(), startEvent1, middleEvent2, endEvent);
        verifyPattern(harness.getOutput().poll(), startEvent2, middleEvent1, endEvent);
        verifyPattern(harness.getOutput().poll(), startEvent2, middleEvent2, endEvent);
        verifyWatermark(harness.getOutput().poll(), 6L);
    } finally {
        harness.close();
    }
}

Example 25 with OperatorSubtaskState

use of org.apache.flink.runtime.checkpoint.OperatorSubtaskState in project flink by apache.

the class CEPMigrationTest method testRestoreStartingNewPatternAfterMigration.

@Test
public void testRestoreStartingNewPatternAfterMigration() throws Exception {
    KeySelector<Event, Integer> keySelector = new KeySelector<Event, Integer>() {

        private static final long serialVersionUID = -4873366487571254798L;

        @Override
        public Integer getKey(Event value) throws Exception {
            return value.getId();
        }
    };
    final Event startEvent1 = new Event(42, "start", 1.0);
    final SubEvent middleEvent1 = new SubEvent(42, "foo1", 1.0, 10.0);
    final Event startEvent2 = new Event(42, "start", 5.0);
    final SubEvent middleEvent2 = new SubEvent(42, "foo2", 2.0, 10.0);
    final Event endEvent = new Event(42, "end", 1.0);
    OneInputStreamOperatorTestHarness<Event, Map<String, List<Event>>> harness = new KeyedOneInputStreamOperatorTestHarness<>(CepOperatorTestUtilities.getKeyedCepOperator(false, new NFAFactory()), keySelector, BasicTypeInfo.INT_TYPE_INFO);
    try {
        harness.setup();
        harness.initializeState(OperatorSnapshotUtil.getResourceFilename("cep-migration-starting-new-pattern-flink" + migrateVersion + "-snapshot"));
        harness.open();
        harness.processElement(new StreamRecord<>(startEvent2, 5));
        harness.processElement(new StreamRecord<Event>(middleEvent2, 6));
        harness.processElement(new StreamRecord<>(endEvent, 7));
        harness.processWatermark(new Watermark(20));
        ConcurrentLinkedQueue<Object> result = harness.getOutput();
        // watermark and 3 results
        assertEquals(4, result.size());
        Object resultObject1 = result.poll();
        assertTrue(resultObject1 instanceof StreamRecord);
        StreamRecord<?> resultRecord1 = (StreamRecord<?>) resultObject1;
        assertTrue(resultRecord1.getValue() instanceof Map);
        Object resultObject2 = result.poll();
        assertTrue(resultObject2 instanceof StreamRecord);
        StreamRecord<?> resultRecord2 = (StreamRecord<?>) resultObject2;
        assertTrue(resultRecord2.getValue() instanceof Map);
        Object resultObject3 = result.poll();
        assertTrue(resultObject3 instanceof StreamRecord);
        StreamRecord<?> resultRecord3 = (StreamRecord<?>) resultObject3;
        assertTrue(resultRecord3.getValue() instanceof Map);
        @SuppressWarnings("unchecked") Map<String, List<Event>> patternMap1 = (Map<String, List<Event>>) resultRecord1.getValue();
        assertEquals(startEvent1, patternMap1.get("start").get(0));
        assertEquals(middleEvent1, patternMap1.get("middle").get(0));
        assertEquals(endEvent, patternMap1.get("end").get(0));
        @SuppressWarnings("unchecked") Map<String, List<Event>> patternMap2 = (Map<String, List<Event>>) resultRecord2.getValue();
        assertEquals(startEvent1, patternMap2.get("start").get(0));
        assertEquals(middleEvent2, patternMap2.get("middle").get(0));
        assertEquals(endEvent, patternMap2.get("end").get(0));
        @SuppressWarnings("unchecked") Map<String, List<Event>> patternMap3 = (Map<String, List<Event>>) resultRecord3.getValue();
        assertEquals(startEvent2, patternMap3.get("start").get(0));
        assertEquals(middleEvent2, patternMap3.get("middle").get(0));
        assertEquals(endEvent, patternMap3.get("end").get(0));
        // and now go for a checkpoint with the new serializers
        final Event startEvent3 = new Event(42, "start", 2.0);
        final SubEvent middleEvent3 = new SubEvent(42, "foo", 1.0, 11.0);
        final Event endEvent1 = new Event(42, "end", 2.0);
        harness.processElement(new StreamRecord<Event>(startEvent3, 21));
        harness.processElement(new StreamRecord<Event>(middleEvent3, 23));
        // simulate snapshot/restore with some elements in internal sorting queue
        OperatorSubtaskState snapshot = harness.snapshot(1L, 1L);
        harness.close();
        harness = new KeyedOneInputStreamOperatorTestHarness<>(CepOperatorTestUtilities.getKeyedCepOperator(false, new NFAFactory()), keySelector, BasicTypeInfo.INT_TYPE_INFO);
        harness.setup();
        harness.initializeState(snapshot);
        harness.open();
        harness.processElement(new StreamRecord<>(endEvent1, 25));
        harness.processWatermark(new Watermark(50));
        result = harness.getOutput();
        // watermark and the result
        assertEquals(2, result.size());
        Object resultObject4 = result.poll();
        assertTrue(resultObject4 instanceof StreamRecord);
        StreamRecord<?> resultRecord4 = (StreamRecord<?>) resultObject4;
        assertTrue(resultRecord4.getValue() instanceof Map);
        @SuppressWarnings("unchecked") Map<String, List<Event>> patternMap4 = (Map<String, List<Event>>) resultRecord4.getValue();
        assertEquals(startEvent3, patternMap4.get("start").get(0));
        assertEquals(middleEvent3, patternMap4.get("middle").get(0));
        assertEquals(endEvent1, patternMap4.get("end").get(0));
    } finally {
        harness.close();
    }
}