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

Example 21 with OperatorState

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

the class ListStateInputFormatTest method testReadListOperatorState.

@Test
public void testReadListOperatorState() throws Exception {
    try (OneInputStreamOperatorTestHarness<Integer, Void> testHarness = getTestHarness()) {
        testHarness.open();
        testHarness.processElement(1, 0);
        testHarness.processElement(2, 0);
        testHarness.processElement(3, 0);
        OperatorSubtaskState subtaskState = testHarness.snapshot(0, 0);
        OperatorState state = new OperatorState(OperatorIDGenerator.fromUid("uid"), 1, 4);
        state.putState(0, subtaskState);
        OperatorStateInputSplit split = new OperatorStateInputSplit(subtaskState.getManagedOperatorState(), 0);
        ListStateInputFormat<Integer> format = new ListStateInputFormat<>(state, new Configuration(), null, descriptor);
        format.setRuntimeContext(new MockStreamingRuntimeContext(false, 1, 0));
        format.open(split);
        List<Integer> results = new ArrayList<>();
        while (!format.reachedEnd()) {
            results.add(format.nextRecord(0));
        }
        results.sort(Comparator.naturalOrder());
        Assert.assertEquals("Failed to read correct list state from state backend", Arrays.asList(1, 2, 3), results);
    }
}

Example 22 with OperatorState

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

the class KeyedStateInputFormatTest method testInvalidProcessReaderFunctionFails.

@Test(expected = IOException.class)
public void testInvalidProcessReaderFunctionFails() throws Exception {
    OperatorID operatorID = OperatorIDGenerator.fromUid("uid");
    OperatorSubtaskState state = createOperatorSubtaskState(new StreamFlatMap<>(new StatefulFunction()));
    OperatorState operatorState = new OperatorState(operatorID, 1, 128);
    operatorState.putState(0, state);
    KeyedStateInputFormat<?, ?, ?> format = new KeyedStateInputFormat<>(operatorState, new MemoryStateBackend(), new Configuration(), new KeyedStateReaderOperator<>(new ReaderFunction(), Types.INT));
    KeyGroupRangeInputSplit split = format.createInputSplits(1)[0];
    KeyedStateReaderFunction<Integer, Integer> userFunction = new InvalidReaderFunction();
    readInputSplit(split, userFunction);
    Assert.fail("KeyedStateReaderFunction did not fail on invalid RuntimeContext use");
}

Example 23 with OperatorState

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

the class KeyedStateInputFormatTest method readInputSplit.

@Nonnull
private List<Integer> readInputSplit(KeyGroupRangeInputSplit split, KeyedStateReaderFunction<Integer, Integer> userFunction) throws IOException {
    KeyedStateInputFormat<Integer, VoidNamespace, Integer> format = new KeyedStateInputFormat<>(new OperatorState(OperatorIDGenerator.fromUid("uid"), 1, 4), new MemoryStateBackend(), new Configuration(), new KeyedStateReaderOperator<>(userFunction, Types.INT));
    List<Integer> data = new ArrayList<>();
    format.setRuntimeContext(new MockStreamingRuntimeContext(false, 1, 0));
    format.openInputFormat();
    format.open(split);
    while (!format.reachedEnd()) {
        data.add(format.nextRecord(0));
    }
    format.close();
    format.closeInputFormat();
    data.sort(Comparator.comparingInt(id -> id));
    return data;
}

Example 24 with OperatorState

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

the class UnionStateInputFormatTest method testReadUnionOperatorState.

@Test
public void testReadUnionOperatorState() throws Exception {
    try (OneInputStreamOperatorTestHarness<Integer, Void> testHarness = getTestHarness()) {
        testHarness.open();
        testHarness.processElement(1, 0);
        testHarness.processElement(2, 0);
        testHarness.processElement(3, 0);
        OperatorSubtaskState subtaskState = testHarness.snapshot(0, 0);
        OperatorState state = new OperatorState(OperatorIDGenerator.fromUid("uid"), 1, 4);
        state.putState(0, subtaskState);
        OperatorStateInputSplit split = new OperatorStateInputSplit(subtaskState.getManagedOperatorState(), 0);
        UnionStateInputFormat<Integer> format = new UnionStateInputFormat<>(state, new Configuration(), null, descriptor);
        format.setRuntimeContext(new MockStreamingRuntimeContext(false, 1, 0));
        format.open(split);
        List<Integer> results = new ArrayList<>();
        while (!format.reachedEnd()) {
            results.add(format.nextRecord(0));
        }
        results.sort(Comparator.naturalOrder());
        Assert.assertEquals("Failed to read correct list state from state backend", Arrays.asList(1, 2, 3), results);
    }
}

Example 25 with OperatorState

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

the class WindowReaderTest method testPerPaneAndPerKeyState.

@Test
public void testPerPaneAndPerKeyState() throws Exception {
    WindowOperator<Integer, Integer, ?, Void, ?> operator = getWindowOperator(stream -> stream.window(TumblingEventTimeWindows.of(Time.milliseconds(1))).trigger(new AlwaysFireTrigger<>()).process(new MultiFireWindow(), Types.INT));
    OperatorState operatorState = getOperatorState(operator);
    KeyedStateInputFormat<Integer, TimeWindow, Tuple2<Integer, Integer>> format = new KeyedStateInputFormat<>(operatorState, new MemoryStateBackend(), new Configuration(), WindowReaderOperator.process(new MultiFireReaderFunction(), Types.INT, new TimeWindow.Serializer(), Types.INT));
    List<Tuple2<Integer, Integer>> list = readState(format);
    Assert.assertEquals(Arrays.asList(Tuple2.of(2, 1), Tuple2.of(2, 1)), list);
}