Examples with MapToStringMultipleInputOperatorFactory org.apache.flink.streaming.runtime.tasks.MultipleInputStreamTaskTest.MapToStringMultipleInputOperatorFactory used on opensource projects

Example 1 with MapToStringMultipleInputOperatorFactory

use of org.apache.flink.streaming.runtime.tasks.MultipleInputStreamTaskTest.MapToStringMultipleInputOperatorFactory in project flink by apache.

the class MultipleInputStreamTaskChainedSourcesCheckpointingTest method testOnlyOneSource.

@Test
public void testOnlyOneSource() throws Exception {
    try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(MultipleInputStreamTask::new, BasicTypeInfo.STRING_TYPE_INFO).modifyExecutionConfig(applyObjectReuse(objectReuse)).addSourceInput(new SourceOperatorFactory<>(new MockSource(Boundedness.BOUNDED, 1), WatermarkStrategy.noWatermarks()), BasicTypeInfo.INT_TYPE_INFO).setupOutputForSingletonOperatorChain(new MapToStringMultipleInputOperatorFactory(1)).build()) {
        testHarness.setAutoProcess(false);
        ArrayDeque<Object> expectedOutput = new ArrayDeque<>();
        addSourceRecords(testHarness, 0, 42, 43, 44);
        processSingleStepUntil(testHarness, () -> !testHarness.getOutput().isEmpty());
        expectedOutput.add(new StreamRecord<>("42", TimestampAssigner.NO_TIMESTAMP));
        CheckpointBarrier barrier = createBarrier(testHarness);
        Future<Boolean> checkpointFuture = testHarness.getStreamTask().triggerCheckpointAsync(metaData, barrier.getCheckpointOptions());
        processSingleStepUntil(testHarness, checkpointFuture::isDone);
        ArrayList<Object> actualOutput = new ArrayList<>(testHarness.getOutput());
        assertThat(actualOutput.subList(0, expectedOutput.size()), containsInAnyOrder(expectedOutput.toArray()));
        assertThat(actualOutput.get(expectedOutput.size()), equalTo(barrier));
    }
}

Example 2 with MapToStringMultipleInputOperatorFactory

use of org.apache.flink.streaming.runtime.tasks.MultipleInputStreamTaskTest.MapToStringMultipleInputOperatorFactory in project flink by apache.

the class MultipleInputStreamTaskChainedSourcesCheckpointingTest method testStopWithSavepointDrainWaitsForSourcesFinish.

/**
 * In this scenario:
 *
 * <ul>
 *   <li>Network inputs are processed until CheckpointBarriers for synchronous savepoint are
 *       processed.
 *   <li>RPC for stop-with-savepoint comes for sources
 *   <li>Sources keep being invoked until they return END_OF_DATA
 *   <li>Synchronous savepoint is triggered
 * </ul>
 */
@Test
public void testStopWithSavepointDrainWaitsForSourcesFinish() throws Exception {
    try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(MultipleInputStreamTask::new, BasicTypeInfo.STRING_TYPE_INFO).setCollectNetworkEvents().modifyExecutionConfig(applyObjectReuse(objectReuse)).modifyStreamConfig(config -> config.setCheckpointingEnabled(true)).addInput(BasicTypeInfo.STRING_TYPE_INFO).addSourceInput(new SourceOperatorFactory<>(new MockSource(Boundedness.CONTINUOUS_UNBOUNDED, 1), WatermarkStrategy.noWatermarks()), BasicTypeInfo.INT_TYPE_INFO).addSourceInput(new SourceOperatorFactory<>(new MockSource(Boundedness.CONTINUOUS_UNBOUNDED, 1), WatermarkStrategy.noWatermarks()), BasicTypeInfo.INT_TYPE_INFO).addInput(BasicTypeInfo.DOUBLE_TYPE_INFO).setupOutputForSingletonOperatorChain(new MapToStringMultipleInputOperatorFactory(4, true)).build()) {
        testHarness.setAutoProcess(false);
        ArrayDeque<Object> expectedOutput = new ArrayDeque<>();
        CheckpointBarrier barrier = createStopWithSavepointDrainBarrier();
        testHarness.processElement(new StreamRecord<>("44", TimestampAssigner.NO_TIMESTAMP), 0);
        testHarness.processEvent(new EndOfData(StopMode.DRAIN), 0);
        testHarness.processEvent(barrier, 0);
        testHarness.processElement(new StreamRecord<>(47d, TimestampAssigner.NO_TIMESTAMP), 1);
        testHarness.processEvent(new EndOfData(StopMode.DRAIN), 1);
        testHarness.processEvent(barrier, 1);
        addSourceRecords(testHarness, 1, Boundedness.CONTINUOUS_UNBOUNDED, 1, 2);
        addSourceRecords(testHarness, 2, Boundedness.CONTINUOUS_UNBOUNDED, 3, 4);
        testHarness.processAll();
        Future<Boolean> checkpointFuture = testHarness.getStreamTask().triggerCheckpointAsync(metaData, barrier.getCheckpointOptions());
        processSingleStepUntil(testHarness, checkpointFuture::isDone);
        expectedOutput.add(new StreamRecord<>("3", TimestampAssigner.NO_TIMESTAMP));
        expectedOutput.add(new StreamRecord<>("47.0", TimestampAssigner.NO_TIMESTAMP));
        expectedOutput.add(new StreamRecord<>("44", TimestampAssigner.NO_TIMESTAMP));
        expectedOutput.add(new StreamRecord<>("1", TimestampAssigner.NO_TIMESTAMP));
        expectedOutput.add(new StreamRecord<>("4", TimestampAssigner.NO_TIMESTAMP));
        expectedOutput.add(new StreamRecord<>("2", TimestampAssigner.NO_TIMESTAMP));
        ArrayList<Object> actualOutput = new ArrayList<>(testHarness.getOutput());
        assertThat(actualOutput.subList(0, expectedOutput.size()), containsInAnyOrder(expectedOutput.toArray()));
        assertThat(actualOutput.subList(actualOutput.size() - 3, actualOutput.size()), contains(new StreamRecord<>("FINISH"), new EndOfData(StopMode.DRAIN), barrier));
    }
}

Example 3 with MapToStringMultipleInputOperatorFactory

use of org.apache.flink.streaming.runtime.tasks.MultipleInputStreamTaskTest.MapToStringMultipleInputOperatorFactory in project flink by apache.

the class MultipleInputStreamTaskChainedSourcesCheckpointingTest method testTriggerCheckpointWithFinishedChannelsAndSourceChain.

private void testTriggerCheckpointWithFinishedChannelsAndSourceChain(CheckpointOptions checkpointOptions) throws Exception {
    ResultPartition[] partitionWriters = new ResultPartition[2];
    try {
        for (int i = 0; i < partitionWriters.length; ++i) {
            partitionWriters[i] = PartitionTestUtils.createPartition(ResultPartitionType.PIPELINED_BOUNDED);
            partitionWriters[i].setup();
        }
        CompletingCheckpointResponder checkpointResponder = new CompletingCheckpointResponder();
        try (StreamTaskMailboxTestHarness<String> testHarness = new StreamTaskMailboxTestHarnessBuilder<>(MultipleInputStreamTask::new, BasicTypeInfo.STRING_TYPE_INFO).modifyStreamConfig(config -> {
            config.setCheckpointingEnabled(true);
            config.setUnalignedCheckpointsEnabled(checkpointOptions.isUnalignedCheckpoint() || checkpointOptions.isTimeoutable());
        }).modifyExecutionConfig(applyObjectReuse(objectReuse)).setCheckpointResponder(checkpointResponder).addInput(BasicTypeInfo.INT_TYPE_INFO).addInput(BasicTypeInfo.STRING_TYPE_INFO).addSourceInput(new SourceOperatorFactory<>(new MultipleInputStreamTaskTest.LifeCycleTrackingMockSource(Boundedness.CONTINUOUS_UNBOUNDED, 1), WatermarkStrategy.noWatermarks()), BasicTypeInfo.INT_TYPE_INFO).addSourceInput(new SourceOperatorFactory<>(new MultipleInputStreamTaskTest.LifeCycleTrackingMockSource(Boundedness.CONTINUOUS_UNBOUNDED, 1), WatermarkStrategy.noWatermarks()), BasicTypeInfo.INT_TYPE_INFO).addAdditionalOutput(partitionWriters).setupOperatorChain(new MapToStringMultipleInputOperatorFactory(4)).finishForSingletonOperatorChain(StringSerializer.INSTANCE).build()) {
            checkpointResponder.setHandlers(testHarness.streamTask::notifyCheckpointCompleteAsync, testHarness.streamTask::notifyCheckpointAbortAsync);
            testHarness.getStreamTask().getCheckpointBarrierHandler().get();
            CompletableFuture<Boolean> checkpointFuture = triggerCheckpoint(testHarness, 2, checkpointOptions);
            testHarness.processAll();
            // The checkpoint 2 would be aligned after received all the EndOfPartitionEvent.
            testHarness.processEvent(new EndOfData(StopMode.DRAIN), 0, 0);
            testHarness.processEvent(new EndOfData(StopMode.DRAIN), 1, 0);
            testHarness.processEvent(EndOfPartitionEvent.INSTANCE, 0, 0);
            testHarness.processEvent(EndOfPartitionEvent.INSTANCE, 1, 0);
            testHarness.getTaskStateManager().getWaitForReportLatch().await();
            assertEquals(2, testHarness.getTaskStateManager().getReportedCheckpointId());
            // Tests triggering checkpoint after all the inputs have received EndOfPartition.
            checkpointFuture = triggerCheckpoint(testHarness, 4, checkpointOptions);
            // Notifies the result partition that all records are processed after the
            // last checkpoint is triggered.
            checkpointFuture.thenAccept((ignored) -> {
                for (ResultPartition resultPartition : partitionWriters) {
                    resultPartition.onSubpartitionAllDataProcessed(0);
                }
            });
            // The checkpoint 4 would be triggered successfully.
            testHarness.processAll();
            testHarness.finishProcessing();
            assertTrue(checkpointFuture.isDone());
            testHarness.getTaskStateManager().getWaitForReportLatch().await();
            assertEquals(4, testHarness.getTaskStateManager().getReportedCheckpointId());
            // Each result partition should have emitted 2 barriers and 1 EndOfUserRecordsEvent.
            for (ResultPartition resultPartition : partitionWriters) {
                assertEquals(3, resultPartition.getNumberOfQueuedBuffers());
            }
        }
    } finally {
        for (ResultPartitionWriter writer : partitionWriters) {
            if (writer != null) {
                writer.close();
            }
        }
    }
}