Examples with OutputReceiver org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver used on opensource projects

Example 16 with OutputReceiver

use of org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver in project beam by apache.

the class IntrinsicMapTaskExecutorFactory method createParDoOperation.

private OperationNode createParDoOperation(Network<Node, Edge> network, ParallelInstructionNode node, PipelineOptions options, DataflowExecutionContext<?> executionContext, DataflowOperationContext operationContext) throws Exception {
    ParallelInstruction instruction = node.getParallelInstruction();
    ParDoInstruction parDo = instruction.getParDo();
    TupleTag<?> mainOutputTag = tupleTag(parDo.getMultiOutputInfos().get(0));
    ImmutableMap.Builder<TupleTag<?>, Integer> outputTagsToReceiverIndicesBuilder = ImmutableMap.builder();
    int successorOffset = 0;
    for (Node successor : network.successors(node)) {
        for (Edge edge : network.edgesConnecting(node, successor)) {
            outputTagsToReceiverIndicesBuilder.put(tupleTag(((MultiOutputInfoEdge) edge).getMultiOutputInfo()), successorOffset);
        }
        successorOffset += 1;
    }
    ParDoFn fn = parDoFnFactory.create(options, CloudObject.fromSpec(parDo.getUserFn()), parDo.getSideInputs(), mainOutputTag, outputTagsToReceiverIndicesBuilder.build(), executionContext, operationContext);
    OutputReceiver[] receivers = getOutputReceivers(network, node);
    return OperationNode.create(new ParDoOperation(fn, receivers, operationContext));
}

Example 17 with OutputReceiver

use of org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver in project beam by apache.

the class IntrinsicMapTaskExecutorFactory method createReadOperation.

OperationNode createReadOperation(Network<Node, Edge> network, ParallelInstructionNode node, PipelineOptions options, ReaderFactory readerFactory, DataflowExecutionContext<?> executionContext, DataflowOperationContext operationContext) throws Exception {
    ParallelInstruction instruction = node.getParallelInstruction();
    ReadInstruction read = instruction.getRead();
    Source cloudSource = CloudSourceUtils.flattenBaseSpecs(read.getSource());
    CloudObject sourceSpec = CloudObject.fromSpec(cloudSource.getSpec());
    Coder<?> coder = CloudObjects.coderFromCloudObject(CloudObject.fromSpec(cloudSource.getCodec()));
    NativeReader<?> reader = readerFactory.create(sourceSpec, coder, options, executionContext, operationContext);
    OutputReceiver[] receivers = getOutputReceivers(network, node);
    return OperationNode.create(ReadOperation.create(reader, receivers, operationContext));
}

Example 18 with OutputReceiver

use of org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver in project beam by apache.

the class IntrinsicMapTaskExecutorFactory method createPartialGroupByKeyOperation.

<K> OperationNode createPartialGroupByKeyOperation(Network<Node, Edge> network, ParallelInstructionNode node, PipelineOptions options, DataflowExecutionContext<?> executionContext, DataflowOperationContext operationContext) throws Exception {
    ParallelInstruction instruction = node.getParallelInstruction();
    PartialGroupByKeyInstruction pgbk = instruction.getPartialGroupByKey();
    OutputReceiver[] receivers = getOutputReceivers(network, node);
    Coder<?> windowedCoder = CloudObjects.coderFromCloudObject(CloudObject.fromSpec(pgbk.getInputElementCodec()));
    if (!(windowedCoder instanceof WindowedValueCoder)) {
        throw new IllegalArgumentException(String.format("unexpected kind of input coder for PartialGroupByKeyOperation: %s", windowedCoder));
    }
    Coder<?> elemCoder = ((WindowedValueCoder<?>) windowedCoder).getValueCoder();
    if (!(elemCoder instanceof KvCoder)) {
        throw new IllegalArgumentException(String.format("unexpected kind of input element coder for PartialGroupByKeyOperation: %s", elemCoder));
    }
    @SuppressWarnings("unchecked") KvCoder<K, ?> keyedElementCoder = (KvCoder<K, ?>) elemCoder;
    CloudObject cloudUserFn = pgbk.getValueCombiningFn() != null ? CloudObject.fromSpec(pgbk.getValueCombiningFn()) : null;
    ParDoFn fn = PartialGroupByKeyParDoFns.create(options, keyedElementCoder, cloudUserFn, pgbk.getSideInputs(), Arrays.<Receiver>asList(receivers), executionContext, operationContext);
    return OperationNode.create(new ParDoOperation(fn, receivers, operationContext));
}

Example 19 with OutputReceiver

use of org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver in project beam by apache.

the class IntrinsicMapTaskExecutorTest method testPerElementProcessingTimeCounters.

/**
 * Verify counts for the per-element-output-time counter are correct.
 */
@Test
public void testPerElementProcessingTimeCounters() throws Exception {
    PipelineOptions options = PipelineOptionsFactory.create();
    options.as(DataflowPipelineDebugOptions.class).setExperiments(Lists.newArrayList(DataflowElementExecutionTracker.TIME_PER_ELEMENT_EXPERIMENT));
    DataflowExecutionStateTracker stateTracker = new DataflowExecutionStateTracker(ExecutionStateSampler.newForTest(), new TestDataflowExecutionState(NameContext.forStage("test-stage"), "other", null, /* requestingStepName */
    null, /* sideInputIndex */
    null, /* metricsContainer */
    NoopProfileScope.NOOP), counterSet, options, "test-work-item-id");
    NameContext parDoName = nameForStep("s1");
    // Wire a read operation with 3 elements to a ParDoOperation and assert that we count
    // the correct number of elements.
    ReadOperation read = ReadOperation.forTest(new TestReader("a", "b", "c"), new OutputReceiver(), TestOperationContext.create(counterSet, nameForStep("s0"), null, stateTracker));
    ParDoOperation parDo = new ParDoOperation(new NoopParDoFn(), new OutputReceiver[0], TestOperationContext.create(counterSet, parDoName, null, stateTracker));
    parDo.attachInput(read, 0);
    List<Operation> operations = Lists.newArrayList(read, parDo);
    try (IntrinsicMapTaskExecutor executor = IntrinsicMapTaskExecutor.withSharedCounterSet(operations, counterSet, stateTracker)) {
        executor.execute();
    }
    CounterName counterName = CounterName.named("per-element-processing-time").withOriginalName(parDoName);
    Counter<Long, CounterDistribution> counter = (Counter<Long, CounterDistribution>) counterSet.getExistingCounter(counterName);
    assertThat(counter.getAggregate().getCount(), equalTo(3L));
}

Example 20 with OutputReceiver

use of org.apache.beam.runners.dataflow.worker.util.common.worker.OutputReceiver in project beam by apache.

the class DefaultParDoFnFactoryTest method testCreateSimpleParDoFn.

/**
 * Tests that a {@link SimpleParDoFn} is correctly dispatched to {@code UserParDoFnFactory} and
 * instantiated correctly.
 */
@Test
public void testCreateSimpleParDoFn() throws Exception {
    // A serialized DoFn
    String stringFieldValue = "some state";
    long longFieldValue = 42L;
    TestDoFn fn = new TestDoFn(stringFieldValue, longFieldValue);
    String serializedFn = StringUtils.byteArrayToJsonString(SerializableUtils.serializeToByteArray(DoFnInfo.forFn(fn, WindowingStrategy.globalDefault(), null, /* side input views */
    null, /* input coder */
    new TupleTag<>("output"), /* main output */
    DoFnSchemaInformation.create(), Collections.emptyMap())));
    CloudObject cloudUserFn = CloudObject.forClassName("DoFn");
    addString(cloudUserFn, "serialized_fn", serializedFn);
    // Create the ParDoFn from the serialized DoFn
    ParDoFn parDoFn = DEFAULT_FACTORY.create(DEFAULT_OPTIONS, cloudUserFn, null, MAIN_OUTPUT, ImmutableMap.<TupleTag<?>, Integer>of(MAIN_OUTPUT, 0), DEFAULT_EXECUTION_CONTEXT, TestOperationContext.create(counterSet));
    // Test that the factory created the correct class
    assertThat(parDoFn, instanceOf(SimpleParDoFn.class));
    // TODO: move the asserts below into new tests in UserParDoFnFactoryTest, and this test should
    // simply assert that DefaultParDoFnFactory.create() matches UserParDoFnFactory.create()
    // Test that the DoFnInfo reflects the one passed in
    SimpleParDoFn simpleParDoFn = (SimpleParDoFn) parDoFn;
    parDoFn.startBundle(new OutputReceiver());
    // DoFnInfo may not yet be initialized until an element is processed
    parDoFn.processElement(WindowedValue.valueInGlobalWindow("foo"));
    @SuppressWarnings("rawtypes") DoFnInfo doFnInfo = simpleParDoFn.getDoFnInfo();
    DoFn innerDoFn = (TestDoFn) doFnInfo.getDoFn();
    assertThat(innerDoFn, instanceOf(TestDoFn.class));
    assertThat(doFnInfo.getWindowingStrategy().getWindowFn(), instanceOf(GlobalWindows.class));
    assertThat(doFnInfo.getWindowingStrategy().getTrigger(), instanceOf(DefaultTrigger.class));
    // Test that the deserialized user DoFn is as expected
    TestDoFn actualTestDoFn = (TestDoFn) innerDoFn;
    assertEquals(stringFieldValue, actualTestDoFn.stringField);
    assertEquals(longFieldValue, actualTestDoFn.longField);
}