Examples with CompactorOperatorStateHandler org.apache.flink.connector.file.sink.compactor.operator.CompactorOperatorStateHandler used on opensource projects

Example 1 with CompactorOperatorStateHandler

use of org.apache.flink.connector.file.sink.compactor.operator.CompactorOperatorStateHandler in project flink by apache.

the class CompactorOperatorTest method testStateHandler.

@Test
public void testStateHandler() throws Exception {
    FileCompactor fileCompactor = new RecordWiseFileCompactor<>(new DecoderBasedReader.Factory<>(IntDecoder::new));
    CompactorOperator compactor = createTestOperator(fileCompactor);
    OperatorSubtaskState state;
    try (OneInputStreamOperatorTestHarness<CompactorRequest, CommittableMessage<FileSinkCommittable>> harness = new OneInputStreamOperatorTestHarness<>(compactor)) {
        harness.setup();
        harness.open();
        harness.processElement(request("0", Arrays.asList(committable("0", ".0", 1), committable("0", ".1", 2)), null));
        harness.snapshot(1, 1L);
        harness.processElement(request("0", Arrays.asList(committable("0", ".2", 3), committable("0", ".3", 4)), null));
        harness.notifyOfCompletedCheckpoint(1);
        // request 1 is submitted and request 2 is pending
        state = harness.snapshot(2, 2L);
    }
    CompactorOperatorStateHandler handler = new CompactorOperatorStateHandler(getTestCommittableSerializer(), createTestBucketWriter());
    try (OneInputStreamOperatorTestHarness<Either<CommittableMessage<FileSinkCommittable>, CompactorRequest>, CommittableMessage<FileSinkCommittable>> harness = new OneInputStreamOperatorTestHarness<>(handler)) {
        harness.setup();
        harness.initializeState(state);
        harness.open();
        // remaining requests from coordinator
        harness.processElement(new StreamRecord<>(Either.Right(request("0", Collections.singletonList(committable("0", ".4", 5)), null).getValue())));
        harness.processElement(new StreamRecord<>(Either.Right(request("0", Collections.singletonList(committable("0", ".5", 6)), null).getValue())));
        harness.processElement(new StreamRecord<>(Either.Left(new CommittableSummary<>(0, 1, 3L, 2, 2, 0))));
        // remaining in-progress file from file writer
        harness.processElement(new StreamRecord<>(Either.Left(new CommittableWithLineage<>(committable("0", ".6", 7), 3L, 0))));
        // new pending file written this time
        harness.processElement(new StreamRecord<>(Either.Left(new CommittableWithLineage<>(committable("0", "7", 8), 3L, 0))));
        Assert.assertTrue(handler.isWriterStateDrained());
        Assert.assertFalse(handler.isStateDrained());
        // the result should not be emitted yet, but all requests should already be submitted
        Assert.assertEquals(0, harness.extractOutputValues().size());
        compactor.getAllTasksFuture().join();
        // state should be drained, and all results and holding messages should be emitted
        harness.prepareSnapshotPreBarrier(3);
        Assert.assertTrue(handler.isStateDrained());
        // summary should be merged into one
        // 1 summary+ 1 compacted + (1 compacted committable + 1 compacted cleanup) * 7
        List<CommittableMessage<FileSinkCommittable>> results = harness.extractOutputValues();
        Assert.assertEquals(16, results.size());
        SinkV2Assertions.assertThat((CommittableSummary<?>) results.get(0)).hasPendingCommittables(15);
        List<FileSinkCommittable> expectedResult = Arrays.asList(committable("0", "7", 8), committable("0", "compacted-0", 1), cleanupPath("0", ".0"), committable("0", "compacted-1", 2), cleanupPath("0", ".1"), committable("0", "compacted-2", 3), cleanupPath("0", ".2"), committable("0", "compacted-3", 4), cleanupPath("0", ".3"), committable("0", "compacted-4", 5), cleanupPath("0", ".4"), committable("0", "compacted-5", 6), cleanupPath("0", ".5"), committable("0", "compacted-6", 7), cleanupPath("0", ".6"));
        for (int i = 1; i < results.size(); ++i) {
            SinkV2Assertions.assertThat((CommittableWithLineage<?>) results.get(i)).hasCommittable(expectedResult.get(i - 1));
        }
    }
}