Examples with StageBundleFactory org.apache.beam.runners.fnexecution.control.StageBundleFactory used on opensource projects

Example 6 with StageBundleFactory

use of org.apache.beam.runners.fnexecution.control.StageBundleFactory in project beam by apache.

the class SparkExecutableStageFunction method call.

@Override
public Iterator<RawUnionValue> call(Iterator<WindowedValue<InputT>> inputs) throws Exception {
    SparkPipelineOptions options = pipelineOptions.get().as(SparkPipelineOptions.class);
    // Register standard file systems.
    FileSystems.setDefaultPipelineOptions(options);
    // Otherwise, this may cause validation errors (e.g. ParDoTest)
    if (!inputs.hasNext()) {
        return Collections.emptyIterator();
    }
    try (ExecutableStageContext stageContext = contextFactory.get(jobInfo)) {
        ExecutableStage executableStage = ExecutableStage.fromPayload(stagePayload);
        try (StageBundleFactory stageBundleFactory = stageContext.getStageBundleFactory(executableStage)) {
            ConcurrentLinkedQueue<RawUnionValue> collector = new ConcurrentLinkedQueue<>();
            StateRequestHandler stateRequestHandler = getStateRequestHandler(executableStage, stageBundleFactory.getProcessBundleDescriptor());
            if (executableStage.getTimers().size() == 0) {
                ReceiverFactory receiverFactory = new ReceiverFactory(collector, outputMap);
                processElements(stateRequestHandler, receiverFactory, null, stageBundleFactory, inputs);
                return collector.iterator();
            }
            // Used with Batch, we know that all the data is available for this key. We can't use the
            // timer manager from the context because it doesn't exist. So we create one and advance
            // time to the end after processing all elements.
            final InMemoryTimerInternals timerInternals = new InMemoryTimerInternals();
            timerInternals.advanceProcessingTime(Instant.now());
            timerInternals.advanceSynchronizedProcessingTime(Instant.now());
            ReceiverFactory receiverFactory = new ReceiverFactory(collector, outputMap);
            TimerReceiverFactory timerReceiverFactory = new TimerReceiverFactory(stageBundleFactory, (Timer<?> timer, TimerInternals.TimerData timerData) -> {
                currentTimerKey = timer.getUserKey();
                if (timer.getClearBit()) {
                    timerInternals.deleteTimer(timerData);
                } else {
                    timerInternals.setTimer(timerData);
                }
            }, windowCoder);
            // Process inputs.
            processElements(stateRequestHandler, receiverFactory, timerReceiverFactory, stageBundleFactory, inputs);
            // Finish any pending windows by advancing the input watermark to infinity.
            timerInternals.advanceInputWatermark(BoundedWindow.TIMESTAMP_MAX_VALUE);
            // Finally, advance the processing time to infinity to fire any timers.
            timerInternals.advanceProcessingTime(BoundedWindow.TIMESTAMP_MAX_VALUE);
            timerInternals.advanceSynchronizedProcessingTime(BoundedWindow.TIMESTAMP_MAX_VALUE);
            // itself)
            while (timerInternals.hasPendingTimers()) {
                try (RemoteBundle bundle = stageBundleFactory.getBundle(receiverFactory, timerReceiverFactory, stateRequestHandler, getBundleProgressHandler())) {
                    PipelineTranslatorUtils.fireEligibleTimers(timerInternals, bundle.getTimerReceivers(), currentTimerKey);
                }
            }
            return collector.iterator();
        }
    }
}

Example 7 with StageBundleFactory

use of org.apache.beam.runners.fnexecution.control.StageBundleFactory in project beam by apache.

the class SparkExecutableStageFunctionTest method outputsAreTaggedCorrectly.

@Test
public void outputsAreTaggedCorrectly() throws Exception {
    WindowedValue<Integer> three = WindowedValue.valueInGlobalWindow(3);
    WindowedValue<Integer> four = WindowedValue.valueInGlobalWindow(4);
    WindowedValue<Integer> five = WindowedValue.valueInGlobalWindow(5);
    Map<String, Integer> outputTagMap = ImmutableMap.of("one", 1, "two", 2, "three", 3);
    // We use a real StageBundleFactory here in order to exercise the output receiver factory.
    StageBundleFactory stageBundleFactory = new StageBundleFactory() {

        private boolean once;

        @Override
        public RemoteBundle getBundle(OutputReceiverFactory receiverFactory, TimerReceiverFactory timerReceiverFactory, StateRequestHandler stateRequestHandler, BundleProgressHandler progressHandler, BundleFinalizationHandler finalizationHandler, BundleCheckpointHandler checkpointHandler) {
            return new RemoteBundle() {

                @Override
                public String getId() {
                    return "bundle-id";
                }

                @Override
                public Map<String, FnDataReceiver> getInputReceivers() {
                    return ImmutableMap.of("input", input -> {
                    /* Ignore input*/
                    });
                }

                @Override
                public Map<KV<String, String>, FnDataReceiver<Timer>> getTimerReceivers() {
                    return Collections.emptyMap();
                }

                @Override
                public void requestProgress() {
                    throw new UnsupportedOperationException();
                }

                @Override
                public void split(double fractionOfRemainder) {
                    throw new UnsupportedOperationException();
                }

                @Override
                public void close() throws Exception {
                    if (once) {
                        return;
                    }
                    // Emit all values to the runner when the bundle is closed.
                    receiverFactory.create("one").accept(three);
                    receiverFactory.create("two").accept(four);
                    receiverFactory.create("three").accept(five);
                    once = true;
                }
            };
        }

        @Override
        public ProcessBundleDescriptors.ExecutableProcessBundleDescriptor getProcessBundleDescriptor() {
            return Mockito.mock(ProcessBundleDescriptors.ExecutableProcessBundleDescriptor.class);
        }

        @Override
        public InstructionRequestHandler getInstructionRequestHandler() {
            return null;
        }

        @Override
        public void close() {
        }
    };
    when(stageContext.getStageBundleFactory(any())).thenReturn(stageBundleFactory);
    SparkExecutableStageFunction<Integer, ?> function = getFunction(outputTagMap);
    List<WindowedValue<Integer>> inputs = new ArrayList<>();
    inputs.add(WindowedValue.valueInGlobalWindow(0));
    Iterator<RawUnionValue> iterator = function.call(inputs.iterator());
    Iterable<RawUnionValue> iterable = () -> iterator;
    assertThat(iterable, contains(new RawUnionValue(1, three), new RawUnionValue(2, four), new RawUnionValue(3, five)));
}