Examples with PCollection org.apache.beam.model.pipeline.v1.RunnerApi.PCollection used on opensource projects

Example 1 with PCollection

use of org.apache.beam.model.pipeline.v1.RunnerApi.PCollection in project beam by apache.

the class OutputDeduplicatorTest method unchangedWithNoDuplicates.

@Test
public void unchangedWithNoDuplicates() {
    /* When all the PCollections are produced by only one transform or stage, the result should be
     * empty/identical to the input.
     *
     * Pipeline:
     *              /-> one -> .out \
     * red -> .out ->                -> blue -> .out
     *              \-> two -> .out /
     */
    PCollection redOut = PCollection.newBuilder().setUniqueName("red.out").build();
    PTransform red = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putOutputs("out", redOut.getUniqueName()).build();
    PCollection oneOut = PCollection.newBuilder().setUniqueName("one.out").build();
    PTransform one = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", redOut.getUniqueName()).putOutputs("out", oneOut.getUniqueName()).build();
    PCollection twoOut = PCollection.newBuilder().setUniqueName("two.out").build();
    PTransform two = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", redOut.getUniqueName()).putOutputs("out", twoOut.getUniqueName()).build();
    PCollection blueOut = PCollection.newBuilder().setUniqueName("blue.out").build();
    PTransform blue = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("one", oneOut.getUniqueName()).putInputs("two", twoOut.getUniqueName()).putOutputs("out", blueOut.getUniqueName()).build();
    RunnerApi.Components components = Components.newBuilder().putTransforms("one", one).putPcollections(oneOut.getUniqueName(), oneOut).putTransforms("two", two).putPcollections(twoOut.getUniqueName(), twoOut).putTransforms("red", red).putPcollections(redOut.getUniqueName(), redOut).putTransforms("blue", blue).putPcollections(blueOut.getUniqueName(), blueOut).build();
    ExecutableStage oneStage = ImmutableExecutableStage.of(components, Environment.getDefaultInstance(), PipelineNode.pCollection(redOut.getUniqueName(), redOut), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(PipelineNode.pTransform("one", one)), ImmutableList.of(PipelineNode.pCollection(oneOut.getUniqueName(), oneOut)), DEFAULT_WIRE_CODER_SETTINGS);
    ExecutableStage twoStage = ImmutableExecutableStage.of(components, Environment.getDefaultInstance(), PipelineNode.pCollection(redOut.getUniqueName(), redOut), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(PipelineNode.pTransform("two", two)), ImmutableList.of(PipelineNode.pCollection(twoOut.getUniqueName(), twoOut)), DEFAULT_WIRE_CODER_SETTINGS);
    PTransformNode redTransform = PipelineNode.pTransform("red", red);
    PTransformNode blueTransform = PipelineNode.pTransform("blue", blue);
    QueryablePipeline pipeline = QueryablePipeline.forPrimitivesIn(components);
    DeduplicationResult result = OutputDeduplicator.ensureSingleProducer(pipeline, ImmutableList.of(oneStage, twoStage), ImmutableList.of(redTransform, blueTransform));
    assertThat(result.getDeduplicatedComponents(), equalTo(components));
    assertThat(result.getDeduplicatedStages().keySet(), empty());
    assertThat(result.getDeduplicatedTransforms().keySet(), empty());
    assertThat(result.getIntroducedTransforms(), empty());
}

Example 2 with PCollection

use of org.apache.beam.model.pipeline.v1.RunnerApi.PCollection in project beam by apache.

the class OutputDeduplicatorTest method multipleDuplicatesInStages.

@Test
public void multipleDuplicatesInStages() {
    /* A stage that produces multiple duplicates should have them all synthesized.
     *
     * Original Pipeline:
     * red -> .out ---> one -> .out -----\
     *             \                      -> shared.out
     *              \--> two -> .out ----|
     *               \                    -> otherShared -> .out
     *                \-> three --> .out /
     *
     * Fused Pipeline:
     *      -> .out [-> one -> .out -> shared -> .out] \
     *     /                                            -> blue -> .out
     *     |                        -> shared -> .out] /
     * red -> .out [-> two -> .out |
     *     |                        -> otherShared -> .out]
     *     \
     *      -> .out [-> three -> .out -> otherShared -> .out]
     *
     * Deduplicated Pipeline:
     *           [-> one -> .out -> shared -> .out:0] --\
     *           |                                       -> shared -> .out -> blue -> .out
     *           |                 -> shared -> .out:1] /
     * red -> .out [-> two -> .out |
     *           |                  -> otherShared -> .out:0] --\
     *           |                                               -> otherShared -> .out
     *           [-> three -> .out -> otherShared -> .out:1] ---/
     */
    PCollection redOut = PCollection.newBuilder().setUniqueName("red.out").build();
    PTransform red = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putOutputs("out", redOut.getUniqueName()).build();
    PCollection threeOut = PCollection.newBuilder().setUniqueName("three.out").build();
    PTransform three = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", redOut.getUniqueName()).putOutputs("out", threeOut.getUniqueName()).build();
    PCollection oneOut = PCollection.newBuilder().setUniqueName("one.out").build();
    PTransform one = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", redOut.getUniqueName()).putOutputs("out", oneOut.getUniqueName()).build();
    PCollection twoOut = PCollection.newBuilder().setUniqueName("two.out").build();
    PTransform two = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", redOut.getUniqueName()).putOutputs("out", twoOut.getUniqueName()).build();
    PCollection sharedOut = PCollection.newBuilder().setUniqueName("shared.out").build();
    PTransform shared = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("one", oneOut.getUniqueName()).putInputs("two", twoOut.getUniqueName()).putOutputs("shared", sharedOut.getUniqueName()).build();
    PCollection otherSharedOut = PCollection.newBuilder().setUniqueName("shared.out2").build();
    PTransform otherShared = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("multi", threeOut.getUniqueName()).putInputs("two", twoOut.getUniqueName()).putOutputs("out", otherSharedOut.getUniqueName()).build();
    PCollection blueOut = PCollection.newBuilder().setUniqueName("blue.out").build();
    PTransform blue = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", sharedOut.getUniqueName()).putOutputs("out", blueOut.getUniqueName()).build();
    RunnerApi.Components components = Components.newBuilder().putTransforms("one", one).putPcollections(oneOut.getUniqueName(), oneOut).putTransforms("two", two).putPcollections(twoOut.getUniqueName(), twoOut).putTransforms("multi", three).putPcollections(threeOut.getUniqueName(), threeOut).putTransforms("shared", shared).putPcollections(sharedOut.getUniqueName(), sharedOut).putTransforms("otherShared", otherShared).putPcollections(otherSharedOut.getUniqueName(), otherSharedOut).putTransforms("red", red).putPcollections(redOut.getUniqueName(), redOut).putTransforms("blue", blue).putPcollections(blueOut.getUniqueName(), blueOut).build();
    ExecutableStage multiStage = ImmutableExecutableStage.of(components, Environment.getDefaultInstance(), PipelineNode.pCollection(redOut.getUniqueName(), redOut), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(PipelineNode.pTransform("multi", three), PipelineNode.pTransform("shared", shared), PipelineNode.pTransform("otherShared", otherShared)), ImmutableList.of(PipelineNode.pCollection(sharedOut.getUniqueName(), sharedOut), PipelineNode.pCollection(otherSharedOut.getUniqueName(), otherSharedOut)), DEFAULT_WIRE_CODER_SETTINGS);
    ExecutableStage oneStage = ImmutableExecutableStage.of(components, Environment.getDefaultInstance(), PipelineNode.pCollection(redOut.getUniqueName(), redOut), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(PipelineNode.pTransform("one", one), PipelineNode.pTransform("shared", shared)), ImmutableList.of(PipelineNode.pCollection(sharedOut.getUniqueName(), sharedOut)), DEFAULT_WIRE_CODER_SETTINGS);
    ExecutableStage twoStage = ImmutableExecutableStage.of(components, Environment.getDefaultInstance(), PipelineNode.pCollection(redOut.getUniqueName(), redOut), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(PipelineNode.pTransform("two", two), PipelineNode.pTransform("otherShared", otherShared)), ImmutableList.of(PipelineNode.pCollection(otherSharedOut.getUniqueName(), otherSharedOut)), DEFAULT_WIRE_CODER_SETTINGS);
    PTransformNode redTransform = PipelineNode.pTransform("red", red);
    PTransformNode blueTransform = PipelineNode.pTransform("blue", blue);
    QueryablePipeline pipeline = QueryablePipeline.forPrimitivesIn(components);
    DeduplicationResult result = OutputDeduplicator.ensureSingleProducer(pipeline, ImmutableList.of(oneStage, twoStage, multiStage), ImmutableList.of(redTransform, blueTransform));
    assertThat(result.getIntroducedTransforms(), hasSize(2));
    assertThat(result.getDeduplicatedStages().keySet(), containsInAnyOrder(multiStage, oneStage, twoStage));
    assertThat(result.getDeduplicatedTransforms().keySet(), empty());
    Collection<String> introducedIds = result.getIntroducedTransforms().stream().flatMap(pt -> pt.getTransform().getInputsMap().values().stream()).collect(Collectors.toList());
    String[] stageOutputs = result.getDeduplicatedStages().values().stream().flatMap(s -> s.getOutputPCollections().stream().map(PCollectionNode::getId)).toArray(String[]::new);
    assertThat(introducedIds, containsInAnyOrder(stageOutputs));
    assertThat(result.getDeduplicatedComponents().getPcollectionsMap().keySet(), hasItems(introducedIds.toArray(new String[0])));
    assertThat(result.getDeduplicatedComponents().getTransformsMap().entrySet(), hasItems(result.getIntroducedTransforms().stream().collect(Collectors.toMap(PTransformNode::getId, PTransformNode::getTransform)).entrySet().toArray(new Map.Entry[0])));
}

Example 3 with PCollection

use of org.apache.beam.model.pipeline.v1.RunnerApi.PCollection in project beam by apache.

the class OutputDeduplicatorTest method duplicateOverStagesAndTransforms.

@Test
public void duplicateOverStagesAndTransforms() {
    /* When both a stage and a runner-executed transform produce a PCollection, all should be
     * replaced with synthetic flattens.
     * original graph:
     *             --> one -> .out \
     * red -> .out |                -> shared -> .out
     *             --------------> /
     *
     * fused graph:
     *             --> [one -> .out -> shared ->] .out
     * red -> .out |
     *             ------------------> shared --> .out
     *
     * deduplicated graph:
     *             --> [one -> .out -> shared ->] .out:0 \
     * red -> .out |                                      -> shared -> .out
     *             -----------------> shared:0 -> .out:1 /
     */
    PCollection redOut = PCollection.newBuilder().setUniqueName("red.out").build();
    PTransform red = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putOutputs("out", redOut.getUniqueName()).build();
    PCollection oneOut = PCollection.newBuilder().setUniqueName("one.out").build();
    PTransform one = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", redOut.getUniqueName()).putOutputs("out", oneOut.getUniqueName()).build();
    PCollection sharedOut = PCollection.newBuilder().setUniqueName("shared.out").build();
    PTransform shared = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("one", oneOut.getUniqueName()).putInputs("red", redOut.getUniqueName()).putOutputs("shared", sharedOut.getUniqueName()).build();
    PCollection blueOut = PCollection.newBuilder().setUniqueName("blue.out").build();
    PTransform blue = PTransform.newBuilder().setSpec(FunctionSpec.newBuilder().setUrn(PTransformTranslation.PAR_DO_TRANSFORM_URN).build()).putInputs("in", sharedOut.getUniqueName()).putOutputs("out", blueOut.getUniqueName()).build();
    RunnerApi.Components components = Components.newBuilder().putTransforms("one", one).putPcollections(oneOut.getUniqueName(), oneOut).putTransforms("red", red).putPcollections(redOut.getUniqueName(), redOut).putTransforms("shared", shared).putPcollections(sharedOut.getUniqueName(), sharedOut).putTransforms("blue", blue).putPcollections(blueOut.getUniqueName(), blueOut).build();
    PTransformNode sharedTransform = PipelineNode.pTransform("shared", shared);
    ExecutableStage oneStage = ImmutableExecutableStage.of(components, Environment.getDefaultInstance(), PipelineNode.pCollection(redOut.getUniqueName(), redOut), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(), ImmutableList.of(PipelineNode.pTransform("one", one), sharedTransform), ImmutableList.of(PipelineNode.pCollection(sharedOut.getUniqueName(), sharedOut)), DEFAULT_WIRE_CODER_SETTINGS);
    PTransformNode redTransform = PipelineNode.pTransform("red", red);
    PTransformNode blueTransform = PipelineNode.pTransform("blue", blue);
    QueryablePipeline pipeline = QueryablePipeline.forPrimitivesIn(components);
    DeduplicationResult result = OutputDeduplicator.ensureSingleProducer(pipeline, ImmutableList.of(oneStage), ImmutableList.of(redTransform, blueTransform, sharedTransform));
    assertThat(result.getIntroducedTransforms(), hasSize(1));
    PTransformNode introduced = getOnlyElement(result.getIntroducedTransforms());
    assertThat(introduced.getTransform().getOutputsMap().size(), equalTo(1));
    assertThat(getOnlyElement(introduced.getTransform().getOutputsMap().values()), equalTo(sharedOut.getUniqueName()));
    assertThat(result.getDeduplicatedComponents().getPcollectionsMap().keySet(), hasItems(introduced.getTransform().getInputsMap().values().toArray(new String[0])));
    assertThat(result.getDeduplicatedStages().keySet(), hasSize(1));
    assertThat(result.getDeduplicatedTransforms().keySet(), containsInAnyOrder("shared"));
    List<String> introducedOutputs = new ArrayList<>();
    introducedOutputs.addAll(result.getDeduplicatedTransforms().get("shared").getTransform().getOutputsMap().values());
    introducedOutputs.addAll(result.getDeduplicatedStages().get(oneStage).getOutputPCollections().stream().map(PCollectionNode::getId).collect(Collectors.toList()));
    assertThat(introduced.getTransform().getInputsMap().values(), containsInAnyOrder(introducedOutputs.toArray(new String[0])));
    assertThat(result.getDeduplicatedComponents().getPcollectionsMap().keySet(), hasItems(introducedOutputs.toArray(new String[0])));
    assertThat(result.getDeduplicatedComponents().getTransformsMap(), hasEntry(introduced.getId(), introduced.getTransform()));
}

Example 4 with PCollection

use of org.apache.beam.model.pipeline.v1.RunnerApi.PCollection in project beam by apache.

the class QueryablePipelineTest method forTransformsWithMalformedGraph.

@Test
public void forTransformsWithMalformedGraph() {
    Components components = Components.newBuilder().putTransforms("root", PTransform.newBuilder().putOutputs("output", "output.out").build()).putPcollections("output.out", RunnerApi.PCollection.newBuilder().setUniqueName("output.out").build()).putTransforms("consumer", PTransform.newBuilder().putInputs("input", "output.out").build()).build();
    thrown.expect(IllegalArgumentException.class);
    // Consumer consumes a PCollection which isn't produced.
    QueryablePipeline.forTransforms(ImmutableSet.of("consumer"), components);
}

Example 5 with PCollection

use of org.apache.beam.model.pipeline.v1.RunnerApi.PCollection in project beam by apache.

the class SdkComponentsTest method registerTransformAfterChildren.

@Test
public void registerTransformAfterChildren() throws IOException {
    Create.Values<Long> create = Create.of(1L, 2L, 3L);
    GenerateSequence createChild = GenerateSequence.from(0);
    PCollection<Long> pt = pipeline.apply(create);
    String userName = "my_transform";
    String childUserName = "my_transform/my_nesting";
    AppliedPTransform<?, ?, ?> transform = AppliedPTransform.of(userName, PValues.expandInput(pipeline.begin()), PValues.expandOutput(pt), create, ResourceHints.create(), pipeline);
    AppliedPTransform<?, ?, ?> childTransform = AppliedPTransform.of(childUserName, PValues.expandInput(pipeline.begin()), PValues.expandOutput(pt), createChild, ResourceHints.create(), pipeline);
    String childId = components.registerPTransform(childTransform, Collections.emptyList());
    String parentId = components.registerPTransform(transform, Collections.singletonList(childTransform));
    Components components = this.components.toComponents();
    assertThat(components.getTransformsOrThrow(parentId).getSubtransforms(0), equalTo(childId));
    assertThat(components.getTransformsOrThrow(childId).getSubtransformsCount(), equalTo(0));
}