Examples with PCollectionTuple org.apache.beam.sdk.values.PCollectionTuple used on opensource projects

Example 16 with PCollectionTuple

use of org.apache.beam.sdk.values.PCollectionTuple in project beam by apache.

the class DataflowPipelineTranslatorTest method testTaggedNamesOverridden.

/**
   * Test that in translation the name for collections of a multi-output ParDo - a special case
   * because the user can name tags - are overridden to be what the Dataflow service expects.
   */
@Test
public void testTaggedNamesOverridden() throws Exception {
    DataflowPipelineOptions options = buildPipelineOptions();
    DataflowRunner runner = DataflowRunner.fromOptions(options);
    options.setStreaming(false);
    DataflowPipelineTranslator translator = DataflowPipelineTranslator.fromOptions(options);
    Pipeline pipeline = Pipeline.create(options);
    TupleTag<Integer> tag1 = new TupleTag<Integer>("frazzle") {
    };
    TupleTag<Integer> tag2 = new TupleTag<Integer>("bazzle") {
    };
    TupleTag<Integer> tag3 = new TupleTag<Integer>() {
    };
    PCollectionTuple outputs = pipeline.apply(Create.of(3)).apply(ParDo.of(new DoFn<Integer, Integer>() {

        @ProcessElement
        public void drop() {
        }
    }).withOutputTags(tag1, TupleTagList.of(tag2).and(tag3)));
    outputs.get(tag1).setName("bizbazzle");
    outputs.get(tag2).setName("gonzaggle");
    outputs.get(tag3).setName("froonazzle");
    runner.replaceTransforms(pipeline);
    Job job = translator.translate(pipeline, runner, Collections.<DataflowPackage>emptyList()).getJob();
    // The ParDo step
    Step step = job.getSteps().get(1);
    String stepName = Structs.getString(step.getProperties(), PropertyNames.USER_NAME);
    List<Map<String, Object>> outputInfos = Structs.getListOfMaps(step.getProperties(), PropertyNames.OUTPUT_INFO, null);
    assertThat(outputInfos.size(), equalTo(3));
    // The names set by the user _and_ the tags _must_ be ignored, or metrics will not show up.
    for (int i = 0; i < outputInfos.size(); ++i) {
        assertThat(Structs.getString(outputInfos.get(i), PropertyNames.USER_NAME), equalTo(String.format("%s.out%s", stepName, i)));
    }
}

Example 17 with PCollectionTuple

use of org.apache.beam.sdk.values.PCollectionTuple in project beam by apache.

the class SplittableDoFnTest method testAdditionalOutput.

@Test
@Category({ ValidatesRunner.class, UsesSplittableParDo.class })
public void testAdditionalOutput() throws Exception {
    TupleTag<String> mainOutputTag = new TupleTag<String>("main") {
    };
    TupleTag<String> additionalOutputTag = new TupleTag<String>("additional") {
    };
    PCollectionTuple res = p.apply("input", Create.of(0, 1, 2)).apply(ParDo.of(new SDFWithAdditionalOutput(additionalOutputTag)).withOutputTags(mainOutputTag, TupleTagList.of(additionalOutputTag)));
    PAssert.that(res.get(mainOutputTag)).containsInAnyOrder(Arrays.asList("main:0", "main:1", "main:2"));
    PAssert.that(res.get(additionalOutputTag)).containsInAnyOrder(Arrays.asList("additional:0", "additional:1", "additional:2"));
    p.run();
}

Example 18 with PCollectionTuple

use of org.apache.beam.sdk.values.PCollectionTuple in project beam by apache.

the class CreateStreamTest method testMultiOutputParDo.

/**
   * Test multiple output {@link ParDo} in streaming pipelines.
   * This is currently needed as a test for https://issues.apache.org/jira/browse/BEAM-2029 since
   * {@link org.apache.beam.sdk.testing.ValidatesRunner} tests do not currently run for Spark runner
   * in streaming mode.
   */
@Test
public void testMultiOutputParDo() throws IOException {
    Instant instant = new Instant(0);
    CreateStream<Integer> source1 = CreateStream.of(VarIntCoder.of(), batchDuration()).emptyBatch().advanceWatermarkForNextBatch(instant.plus(Duration.standardMinutes(5))).nextBatch(TimestampedValue.of(1, instant), TimestampedValue.of(2, instant), TimestampedValue.of(3, instant)).advanceNextBatchWatermarkToInfinity();
    PCollection<Integer> inputs = p.apply(source1);
    final TupleTag<Integer> mainTag = new TupleTag<>();
    final TupleTag<Integer> additionalTag = new TupleTag<>();
    PCollectionTuple outputs = inputs.apply(ParDo.of(new DoFn<Integer, Integer>() {

        @SuppressWarnings("unused")
        @ProcessElement
        public void process(ProcessContext context) {
            Integer element = context.element();
            context.output(element);
            context.output(additionalTag, element + 1);
        }
    }).withOutputTags(mainTag, TupleTagList.of(additionalTag)));
    PCollection<Integer> output1 = outputs.get(mainTag).setCoder(VarIntCoder.of());
    PCollection<Integer> output2 = outputs.get(additionalTag).setCoder(VarIntCoder.of());
    PAssert.that(output1).containsInAnyOrder(1, 2, 3);
    PAssert.that(output2).containsInAnyOrder(2, 3, 4);
    p.run();
}

Example 19 with PCollectionTuple

use of org.apache.beam.sdk.values.PCollectionTuple in project beam by apache.

the class ReplacementOutputsTest method taggedSucceeds.

@Test
public void taggedSucceeds() {
    PCollectionTuple original = PCollectionTuple.of(intsTag, ints).and(strsTag, strs).and(moreIntsTag, moreInts);
    Map<PValue, ReplacementOutput> replacements = ReplacementOutputs.tagged(original.expand(), PCollectionTuple.of(strsTag, replacementStrs).and(moreIntsTag, moreReplacementInts).and(intsTag, replacementInts));
    assertThat(replacements.keySet(), Matchers.<PValue>containsInAnyOrder(replacementStrs, replacementInts, moreReplacementInts));
    ReplacementOutput intsReplacement = replacements.get(replacementInts);
    ReplacementOutput strsReplacement = replacements.get(replacementStrs);
    ReplacementOutput moreIntsReplacement = replacements.get(moreReplacementInts);
    assertThat(intsReplacement, equalTo(ReplacementOutput.of(TaggedPValue.of(intsTag, ints), TaggedPValue.of(intsTag, replacementInts))));
    assertThat(strsReplacement, equalTo(ReplacementOutput.of(TaggedPValue.of(strsTag, strs), TaggedPValue.of(strsTag, replacementStrs))));
    assertThat(moreIntsReplacement, equalTo(ReplacementOutput.of(TaggedPValue.of(moreIntsTag, moreInts), TaggedPValue.of(moreIntsTag, moreReplacementInts))));
}

Example 20 with PCollectionTuple

use of org.apache.beam.sdk.values.PCollectionTuple in project beam by apache.

the class ReplacementOutputsTest method taggedMissingReplacementThrows.

@Test
public void taggedMissingReplacementThrows() {
    PCollectionTuple original = PCollectionTuple.of(intsTag, ints).and(strsTag, strs).and(moreIntsTag, moreInts);
    thrown.expect(IllegalArgumentException.class);
    thrown.expectMessage("Missing replacement");
    thrown.expectMessage(intsTag.toString());
    thrown.expectMessage(ints.toString());
    ReplacementOutputs.tagged(original.expand(), PCollectionTuple.of(strsTag, replacementStrs).and(moreIntsTag, moreReplacementInts));
}