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

Example 16 with Coder

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

the class BeamFnDataGrpcClientTest method testForInboundConsumer.

@Test
public void testForInboundConsumer() throws Exception {
    CountDownLatch waitForClientToConnect = new CountDownLatch(1);
    Collection<WindowedValue<String>> inboundValuesA = new ConcurrentLinkedQueue<>();
    Collection<WindowedValue<String>> inboundValuesB = new ConcurrentLinkedQueue<>();
    Collection<BeamFnApi.Elements> inboundServerValues = new ConcurrentLinkedQueue<>();
    AtomicReference<StreamObserver<BeamFnApi.Elements>> outboundServerObserver = new AtomicReference<>();
    CallStreamObserver<BeamFnApi.Elements> inboundServerObserver = TestStreams.withOnNext(inboundServerValues::add).build();
    Endpoints.ApiServiceDescriptor apiServiceDescriptor = Endpoints.ApiServiceDescriptor.newBuilder().setUrl(this.getClass().getName() + "-" + UUID.randomUUID()).build();
    Server server = InProcessServerBuilder.forName(apiServiceDescriptor.getUrl()).addService(new BeamFnDataGrpc.BeamFnDataImplBase() {

        @Override
        public StreamObserver<BeamFnApi.Elements> data(StreamObserver<BeamFnApi.Elements> outboundObserver) {
            outboundServerObserver.set(outboundObserver);
            waitForClientToConnect.countDown();
            return inboundServerObserver;
        }
    }).build();
    server.start();
    try {
        ManagedChannel channel = InProcessChannelBuilder.forName(apiServiceDescriptor.getUrl()).build();
        BeamFnDataGrpcClient clientFactory = new BeamFnDataGrpcClient(PipelineOptionsFactory.create(), (Endpoints.ApiServiceDescriptor descriptor) -> channel, OutboundObserverFactory.trivial());
        BeamFnDataInboundObserver2 observerA = BeamFnDataInboundObserver2.forConsumers(Arrays.asList(DataEndpoint.create(TRANSFORM_ID_A, CODER, inboundValuesA::add)), Collections.emptyList());
        BeamFnDataInboundObserver2 observerB = BeamFnDataInboundObserver2.forConsumers(Arrays.asList(DataEndpoint.create(TRANSFORM_ID_B, CODER, inboundValuesB::add)), Collections.emptyList());
        clientFactory.registerReceiver(INSTRUCTION_ID_A, Arrays.asList(apiServiceDescriptor), observerA);
        waitForClientToConnect.await();
        outboundServerObserver.get().onNext(ELEMENTS_A_1);
        // Purposefully transmit some data before the consumer for B is bound showing that
        // data is not lost
        outboundServerObserver.get().onNext(ELEMENTS_B_1);
        Thread.sleep(100);
        clientFactory.registerReceiver(INSTRUCTION_ID_B, Arrays.asList(apiServiceDescriptor), observerB);
        // Show that out of order stream completion can occur.
        observerB.awaitCompletion();
        assertThat(inboundValuesB, contains(valueInGlobalWindow("JKL"), valueInGlobalWindow("MNO")));
        outboundServerObserver.get().onNext(ELEMENTS_A_2);
        observerA.awaitCompletion();
        assertThat(inboundValuesA, contains(valueInGlobalWindow("ABC"), valueInGlobalWindow("DEF"), valueInGlobalWindow("GHI")));
    } finally {
        server.shutdownNow();
    }
}

Example 17 with Coder

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

the class SparkExecutableStageFunction method getStateRequestHandler.

private StateRequestHandler getStateRequestHandler(ExecutableStage executableStage, ProcessBundleDescriptors.ExecutableProcessBundleDescriptor processBundleDescriptor) {
    EnumMap<TypeCase, StateRequestHandler> handlerMap = new EnumMap<>(StateKey.TypeCase.class);
    final StateRequestHandler sideInputHandler;
    StateRequestHandlers.SideInputHandlerFactory sideInputHandlerFactory = BatchSideInputHandlerFactory.forStage(executableStage, new BatchSideInputHandlerFactory.SideInputGetter() {

        @Override
        public <T> List<T> getSideInput(String pCollectionId) {
            Tuple2<Broadcast<List<byte[]>>, WindowedValueCoder<SideInputT>> tuple2 = sideInputs.get(pCollectionId);
            Broadcast<List<byte[]>> broadcast = tuple2._1;
            WindowedValueCoder<SideInputT> coder = tuple2._2;
            return (List<T>) broadcast.value().stream().map(bytes -> CoderHelpers.fromByteArray(bytes, coder)).collect(Collectors.toList());
        }
    });
    try {
        sideInputHandler = StateRequestHandlers.forSideInputHandlerFactory(ProcessBundleDescriptors.getSideInputs(executableStage), sideInputHandlerFactory);
    } catch (IOException e) {
        throw new RuntimeException("Failed to setup state handler", e);
    }
    if (bagUserStateHandlerFactory == null) {
        bagUserStateHandlerFactory = new InMemoryBagUserStateFactory();
    }
    final StateRequestHandler userStateHandler;
    if (executableStage.getUserStates().size() > 0) {
        // Need to discard the old key's state
        bagUserStateHandlerFactory.resetForNewKey();
        userStateHandler = StateRequestHandlers.forBagUserStateHandlerFactory(processBundleDescriptor, bagUserStateHandlerFactory);
    } else {
        userStateHandler = StateRequestHandler.unsupported();
    }
    handlerMap.put(StateKey.TypeCase.ITERABLE_SIDE_INPUT, sideInputHandler);
    handlerMap.put(StateKey.TypeCase.MULTIMAP_SIDE_INPUT, sideInputHandler);
    handlerMap.put(StateKey.TypeCase.MULTIMAP_KEYS_SIDE_INPUT, sideInputHandler);
    handlerMap.put(StateKey.TypeCase.BAG_USER_STATE, userStateHandler);
    return StateRequestHandlers.delegateBasedUponType(handlerMap);
}

Example 18 with Coder

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

the class ParDoTranslation method translateParDo.

/**
 * Translate a ParDo.
 */
public static <InputT> ParDoPayload translateParDo(ParDo.MultiOutput<InputT, ?> parDo, PCollection<InputT> mainInput, DoFnSchemaInformation doFnSchemaInformation, Pipeline pipeline, SdkComponents components) throws IOException {
    final DoFn<?, ?> doFn = parDo.getFn();
    final DoFnSignature signature = DoFnSignatures.getSignature(doFn.getClass());
    final String restrictionCoderId;
    if (signature.processElement().isSplittable()) {
        DoFnInvoker<?, ?> doFnInvoker = DoFnInvokers.invokerFor(doFn);
        final Coder<?> restrictionAndWatermarkStateCoder = KvCoder.of(doFnInvoker.invokeGetRestrictionCoder(pipeline.getCoderRegistry()), doFnInvoker.invokeGetWatermarkEstimatorStateCoder(pipeline.getCoderRegistry()));
        restrictionCoderId = components.registerCoder(restrictionAndWatermarkStateCoder);
    } else {
        restrictionCoderId = "";
    }
    Coder<BoundedWindow> windowCoder = (Coder<BoundedWindow>) mainInput.getWindowingStrategy().getWindowFn().windowCoder();
    Coder<?> keyCoder;
    if (signature.usesState() || signature.usesTimers()) {
        checkArgument(mainInput.getCoder() instanceof KvCoder, "DoFn's that use state or timers must have an input PCollection with a KvCoder but received %s", mainInput.getCoder());
        keyCoder = ((KvCoder) mainInput.getCoder()).getKeyCoder();
    } else {
        keyCoder = null;
    }
    return payloadForParDoLike(new ParDoLike() {

        @Override
        public FunctionSpec translateDoFn(SdkComponents newComponents) {
            return ParDoTranslation.translateDoFn(parDo.getFn(), parDo.getMainOutputTag(), parDo.getSideInputs(), doFnSchemaInformation, newComponents);
        }

        @Override
        public Map<String, SideInput> translateSideInputs(SdkComponents components) {
            Map<String, SideInput> sideInputs = new HashMap<>();
            for (PCollectionView<?> sideInput : parDo.getSideInputs().values()) {
                sideInputs.put(sideInput.getTagInternal().getId(), translateView(sideInput, components));
            }
            return sideInputs;
        }

        @Override
        public Map<String, RunnerApi.StateSpec> translateStateSpecs(SdkComponents components) throws IOException {
            Map<String, RunnerApi.StateSpec> stateSpecs = new HashMap<>();
            for (Map.Entry<String, StateDeclaration> state : signature.stateDeclarations().entrySet()) {
                RunnerApi.StateSpec spec = translateStateSpec(getStateSpecOrThrow(state.getValue(), doFn), components);
                stateSpecs.put(state.getKey(), spec);
            }
            return stateSpecs;
        }

        @Override
        public ParDoLikeTimerFamilySpecs translateTimerFamilySpecs(SdkComponents newComponents) {
            Map<String, RunnerApi.TimerFamilySpec> timerFamilySpecs = new HashMap<>();
            for (Map.Entry<String, TimerDeclaration> timer : signature.timerDeclarations().entrySet()) {
                RunnerApi.TimerFamilySpec spec = translateTimerFamilySpec(getTimerSpecOrThrow(timer.getValue(), doFn), newComponents, keyCoder, windowCoder);
                timerFamilySpecs.put(timer.getKey(), spec);
            }
            for (Map.Entry<String, DoFnSignature.TimerFamilyDeclaration> timerFamily : signature.timerFamilyDeclarations().entrySet()) {
                RunnerApi.TimerFamilySpec spec = translateTimerFamilySpec(DoFnSignatures.getTimerFamilySpecOrThrow(timerFamily.getValue(), doFn), newComponents, keyCoder, windowCoder);
                timerFamilySpecs.put(timerFamily.getKey(), spec);
            }
            String onWindowExpirationTimerFamilySpec = null;
            if (signature.onWindowExpiration() != null) {
                RunnerApi.TimerFamilySpec spec = RunnerApi.TimerFamilySpec.newBuilder().setTimeDomain(translateTimeDomain(TimeDomain.EVENT_TIME)).setTimerFamilyCoderId(registerCoderOrThrow(components, Timer.Coder.of(keyCoder, windowCoder))).build();
                for (int i = 0; i < Integer.MAX_VALUE; ++i) {
                    onWindowExpirationTimerFamilySpec = "onWindowExpiration" + i;
                    if (!timerFamilySpecs.containsKey(onWindowExpirationTimerFamilySpec)) {
                        break;
                    }
                }
                timerFamilySpecs.put(onWindowExpirationTimerFamilySpec, spec);
            }
            return ParDoLikeTimerFamilySpecs.create(timerFamilySpecs, onWindowExpirationTimerFamilySpec);
        }

        @Override
        public boolean isStateful() {
            return !signature.stateDeclarations().isEmpty() || !signature.timerDeclarations().isEmpty() || !signature.timerFamilyDeclarations().isEmpty() || signature.onWindowExpiration() != null;
        }

        @Override
        public boolean isSplittable() {
            return signature.processElement().isSplittable();
        }

        @Override
        public boolean isRequiresStableInput() {
            return signature.processElement().requiresStableInput();
        }

        @Override
        public boolean isRequiresTimeSortedInput() {
            return signature.processElement().requiresTimeSortedInput();
        }

        @Override
        public boolean requestsFinalization() {
            return (signature.startBundle() != null && signature.startBundle().extraParameters().contains(Parameter.bundleFinalizer())) || (signature.processElement() != null && signature.processElement().extraParameters().contains(Parameter.bundleFinalizer())) || (signature.finishBundle() != null && signature.finishBundle().extraParameters().contains(Parameter.bundleFinalizer()));
        }

        @Override
        public String translateRestrictionCoderId(SdkComponents newComponents) {
            return restrictionCoderId;
        }
    }, components);
}

Example 19 with Coder

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

the class ParDoTranslation method fromProto.

@VisibleForTesting
static StateSpec<?> fromProto(RunnerApi.StateSpec stateSpec, RehydratedComponents components) throws IOException {
    switch(stateSpec.getSpecCase()) {
        case READ_MODIFY_WRITE_SPEC:
            return StateSpecs.value(components.getCoder(stateSpec.getReadModifyWriteSpec().getCoderId()));
        case BAG_SPEC:
            return StateSpecs.bag(components.getCoder(stateSpec.getBagSpec().getElementCoderId()));
        case COMBINING_SPEC:
            FunctionSpec combineFnSpec = stateSpec.getCombiningSpec().getCombineFn();
            if (!combineFnSpec.getUrn().equals(CombineTranslation.JAVA_SERIALIZED_COMBINE_FN_URN)) {
                throw new UnsupportedOperationException(String.format("Cannot create %s from non-Java %s: %s", StateSpec.class.getSimpleName(), Combine.CombineFn.class.getSimpleName(), combineFnSpec.getUrn()));
            }
            Combine.CombineFn<?, ?, ?> combineFn = (Combine.CombineFn<?, ?, ?>) SerializableUtils.deserializeFromByteArray(combineFnSpec.getPayload().toByteArray(), Combine.CombineFn.class.getSimpleName());
            // for the CombineFn, by construction
            return StateSpecs.combining((Coder) components.getCoder(stateSpec.getCombiningSpec().getAccumulatorCoderId()), combineFn);
        case MAP_SPEC:
            return StateSpecs.map(components.getCoder(stateSpec.getMapSpec().getKeyCoderId()), components.getCoder(stateSpec.getMapSpec().getValueCoderId()));
        case SET_SPEC:
            return StateSpecs.set(components.getCoder(stateSpec.getSetSpec().getElementCoderId()));
        case SPEC_NOT_SET:
        default:
            throw new IllegalArgumentException(String.format("Unknown %s: %s", RunnerApi.StateSpec.class.getName(), stateSpec));
    }
}

Example 20 with Coder

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

the class PipelineValidator method validateComponents.

private static void validateComponents(String context, Components components, Set<String> requirements) {
    {
        Map<String, String> uniqueNamesById = Maps.newHashMap();
        for (String transformId : components.getTransformsMap().keySet()) {
            PTransform transform = components.getTransformsOrThrow(transformId);
            String previousId = uniqueNamesById.put(transform.getUniqueName(), transformId);
            // A transform is allowed to not have unique_name set, but, obviously,
            // there can be only one such transform with an empty name.
            // It's allowed for the (only) root transform to have the empty unique_name.
            checkArgument(previousId == null, "%s: Transforms %s and %s both have unique_name \"%s\"", context, transformId, previousId, transform.getUniqueName());
            validateTransform(transformId, transform, components, requirements);
        }
    }
    {
        Map<String, String> uniqueNamesById = Maps.newHashMap();
        for (String pcollectionId : components.getPcollectionsMap().keySet()) {
            PCollection pc = components.getPcollectionsOrThrow(pcollectionId);
            checkArgument(!pc.getUniqueName().isEmpty(), "%s: PCollection %s does not have a unique_name set", context, pcollectionId);
            String previousId = uniqueNamesById.put(pc.getUniqueName(), pcollectionId);
            checkArgument(previousId == null, "%s: PCollections %s and %s both have unique_name \"%s\"", context, pcollectionId, previousId, pc.getUniqueName());
            checkArgument(components.containsCoders(pc.getCoderId()), "%s: PCollection %s uses unknown coder %s", context, pcollectionId, pc.getCoderId());
            checkArgument(components.containsWindowingStrategies(pc.getWindowingStrategyId()), "%s: PCollection %s uses unknown windowing strategy %s", context, pcollectionId, pc.getWindowingStrategyId());
        }
    }
    for (String strategyId : components.getWindowingStrategiesMap().keySet()) {
        WindowingStrategy strategy = components.getWindowingStrategiesOrThrow(strategyId);
        checkArgument(components.containsCoders(strategy.getWindowCoderId()), "%s: WindowingStrategy %s uses unknown coder %s", context, strategyId, strategy.getWindowCoderId());
    }
    for (String coderId : components.getCodersMap().keySet()) {
        for (String componentCoderId : components.getCodersOrThrow(coderId).getComponentCoderIdsList()) {
            checkArgument(components.containsCoders(componentCoderId), "%s: Coder %s uses unknown component coder %s", context, coderId, componentCoderId);
        }
    }
}