Examples with TestSparkPipelineOptions org.apache.beam.runners.spark.TestSparkPipelineOptions used on opensource projects

Example 1 with TestSparkPipelineOptions

use of org.apache.beam.runners.spark.TestSparkPipelineOptions in project beam by apache.

the class ResumeFromCheckpointStreamingTest method run.

@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
private SparkPipelineResult run(Optional<Instant> stopWatermarkOption, int expectedAssertions) {
    KafkaIO.Read<String, Instant> read = KafkaIO.<String, Instant>read().withBootstrapServers(EMBEDDED_KAFKA_CLUSTER.getBrokerList()).withTopics(Collections.singletonList(TOPIC)).withKeyDeserializer(StringDeserializer.class).withValueDeserializer(InstantDeserializer.class).updateConsumerProperties(ImmutableMap.<String, Object>of("auto.offset.reset", "earliest")).withTimestampFn(new SerializableFunction<KV<String, Instant>, Instant>() {

        @Override
        public Instant apply(KV<String, Instant> kv) {
            return kv.getValue();
        }
    }).withWatermarkFn(new SerializableFunction<KV<String, Instant>, Instant>() {

        @Override
        public Instant apply(KV<String, Instant> kv) {
            // at EOF move WM to infinity.
            String key = kv.getKey();
            Instant instant = kv.getValue();
            return key.equals("EOF") ? BoundedWindow.TIMESTAMP_MAX_VALUE : instant;
        }
    });
    TestSparkPipelineOptions options = PipelineOptionsFactory.create().as(TestSparkPipelineOptions.class);
    options.setSparkMaster("local[*]");
    options.setCheckpointDurationMillis(options.getBatchIntervalMillis());
    options.setExpectedAssertions(expectedAssertions);
    options.setRunner(TestSparkRunner.class);
    options.setEnableSparkMetricSinks(false);
    options.setForceStreaming(true);
    options.setCheckpointDir(temporaryFolder.getRoot().getPath());
    // timeout is per execution so it can be injected by the caller.
    if (stopWatermarkOption.isPresent()) {
        options.setStopPipelineWatermark(stopWatermarkOption.get().getMillis());
    }
    Pipeline p = Pipeline.create(options);
    PCollection<String> expectedCol = p.apply(Create.of(ImmutableList.of("side1", "side2")).withCoder(StringUtf8Coder.of()));
    PCollectionView<List<String>> view = expectedCol.apply(View.<String>asList());
    PCollection<KV<String, Instant>> kafkaStream = p.apply(read.withoutMetadata());
    PCollection<Iterable<String>> grouped = kafkaStream.apply(Keys.<String>create()).apply("EOFShallNotPassFn", ParDo.of(new EOFShallNotPassFn(view)).withSideInputs(view)).apply(Window.<String>into(FixedWindows.of(Duration.millis(500))).triggering(AfterWatermark.pastEndOfWindow()).accumulatingFiredPanes().withAllowedLateness(Duration.ZERO)).apply(WithKeys.<Integer, String>of(1)).apply(GroupByKey.<Integer, String>create()).apply(Values.<Iterable<String>>create());
    grouped.apply(new PAssertWithoutFlatten<>("k1", "k2", "k3", "k4", "k5"));
    return (SparkPipelineResult) p.run();
}