Examples with TypeSafeNodeFunction org.apache.beam.runners.dataflow.worker.graph.Networks.TypeSafeNodeFunction used on opensource projects

Example 6 with TypeSafeNodeFunction

use of org.apache.beam.runners.dataflow.worker.graph.Networks.TypeSafeNodeFunction in project beam by apache.

the class IntrinsicMapTaskExecutorFactory method createOutputReceiversTransform.

/**
 * Returns a function which can convert {@link InstructionOutput}s into {@link OutputReceiver}s.
 */
static Function<Node, Node> createOutputReceiversTransform(final String stageName, final CounterFactory counterFactory) {
    return new TypeSafeNodeFunction<InstructionOutputNode>(InstructionOutputNode.class) {

        @Override
        public Node typedApply(InstructionOutputNode input) {
            InstructionOutput cloudOutput = input.getInstructionOutput();
            OutputReceiver outputReceiver = new OutputReceiver();
            Coder<?> coder = CloudObjects.coderFromCloudObject(CloudObject.fromSpec(cloudOutput.getCodec()));
            @SuppressWarnings("unchecked") ElementCounter outputCounter = new DataflowOutputCounter(cloudOutput.getName(), new ElementByteSizeObservableCoder<>(coder), counterFactory, NameContext.create(stageName, cloudOutput.getOriginalName(), cloudOutput.getSystemName(), cloudOutput.getName()));
            outputReceiver.addOutputCounter(outputCounter);
            return OutputReceiverNode.create(outputReceiver, coder, input.getPcollectionId());
        }
    };
}

Example 7 with TypeSafeNodeFunction

use of org.apache.beam.runners.dataflow.worker.graph.Networks.TypeSafeNodeFunction in project beam by apache.

the class LengthPrefixUnknownCoders method andReplaceForParallelInstructionNode.

/**
 * Replace unknown coders on the given {@link ParallelInstructionNode} with {@link
 * org.apache.beam.sdk.coders.LengthPrefixCoder LengthPrefixCoder<T>} where {@code T} is a
 * {@link org.apache.beam.sdk.coders.ByteArrayCoder}.
 */
private static Function<Node, Node> andReplaceForParallelInstructionNode() {
    return new TypeSafeNodeFunction<ParallelInstructionNode>(ParallelInstructionNode.class) {

        @Override
        public Node typedApply(ParallelInstructionNode input) {
            ParallelInstruction instruction = input.getParallelInstruction();
            Nodes.ExecutionLocation location = input.getExecutionLocation();
            try {
                instruction = forParallelInstruction(instruction, true);
            } catch (Exception e) {
                throw new RuntimeException(String.format("Failed to replace unknown coder with " + "LengthPrefixCoder for : {%s}", input.getParallelInstruction()), e);
            }
            return ParallelInstructionNode.create(instruction, location);
        }
    };
}

Example 8 with TypeSafeNodeFunction

use of org.apache.beam.runners.dataflow.worker.graph.Networks.TypeSafeNodeFunction in project beam by apache.

the class BeamFnMapTaskExecutorFactory method createOutputReceiversTransform.

/**
 * Returns a function which can convert {@link InstructionOutput}s into {@link OutputReceiver}s.
 */
static Function<Node, Node> createOutputReceiversTransform(final String stageName, final CounterFactory counterFactory) {
    return new TypeSafeNodeFunction<InstructionOutputNode>(InstructionOutputNode.class) {

        @Override
        public Node typedApply(InstructionOutputNode input) {
            InstructionOutput cloudOutput = input.getInstructionOutput();
            OutputReceiver outputReceiver = new OutputReceiver();
            Coder<?> coder = CloudObjects.coderFromCloudObject(CloudObject.fromSpec(cloudOutput.getCodec()));
            @SuppressWarnings("unchecked") ElementCounter outputCounter = new DataflowOutputCounter(cloudOutput.getName(), new ElementByteSizeObservableCoder<>(coder), counterFactory, NameContext.create(stageName, cloudOutput.getOriginalName(), cloudOutput.getSystemName(), cloudOutput.getName()));
            outputReceiver.addOutputCounter(outputCounter);
            return OutputReceiverNode.create(outputReceiver, coder, input.getPcollectionId());
        }
    };
}

Example 9 with TypeSafeNodeFunction

use of org.apache.beam.runners.dataflow.worker.graph.Networks.TypeSafeNodeFunction in project beam by apache.

the class BeamFnMapTaskExecutorFactory method createOperationTransformForRegisterFnNodes.

private Function<Node, Node> createOperationTransformForRegisterFnNodes(final IdGenerator idGenerator, final InstructionRequestHandler instructionRequestHandler, final StateDelegator beamFnStateDelegator, final String stageName, final DataflowExecutionContext<?> executionContext) {
    return new TypeSafeNodeFunction<RegisterRequestNode>(RegisterRequestNode.class) {

        @Override
        public Node typedApply(RegisterRequestNode input) {
            ImmutableMap.Builder<String, DataflowOperationContext> ptransformIdToOperationContextBuilder = ImmutableMap.builder();
            ImmutableMap.Builder<String, DataflowStepContext> ptransformIdToStepContext = ImmutableMap.builder();
            for (Map.Entry<String, NameContext> entry : input.getPTransformIdToPartialNameContextMap().entrySet()) {
                NameContext fullNameContext = NameContext.create(stageName, entry.getValue().originalName(), entry.getValue().systemName(), entry.getValue().userName());
                DataflowOperationContext operationContext = executionContext.createOperationContext(fullNameContext);
                ptransformIdToOperationContextBuilder.put(entry.getKey(), operationContext);
                ptransformIdToStepContext.put(entry.getKey(), executionContext.getStepContext(operationContext));
            }
            ImmutableMap.Builder<String, NameContext> pcollectionIdToNameContext = ImmutableMap.builder();
            for (Map.Entry<String, NameContext> entry : input.getPCollectionToPartialNameContextMap().entrySet()) {
                pcollectionIdToNameContext.put(entry.getKey(), NameContext.create(stageName, entry.getValue().originalName(), entry.getValue().systemName(), entry.getValue().userName()));
            }
            ImmutableMap<String, DataflowOperationContext> ptransformIdToOperationContexts = ptransformIdToOperationContextBuilder.build();
            ImmutableMap<String, SideInputReader> ptransformIdToSideInputReaders = buildPTransformIdToSideInputReadersMap(executionContext, input, ptransformIdToOperationContexts);
            ImmutableTable<String, String, PCollectionView<?>> ptransformIdToSideInputIdToPCollectionView = buildPTransformIdToSideInputIdToPCollectionView(input);
            return OperationNode.create(new RegisterAndProcessBundleOperation(idGenerator, instructionRequestHandler, beamFnStateDelegator, input.getRegisterRequest(), ptransformIdToOperationContexts, ptransformIdToStepContext.build(), ptransformIdToSideInputReaders, ptransformIdToSideInputIdToPCollectionView, pcollectionIdToNameContext.build(), // TODO: Set NameContext properly for these operations.
            executionContext.createOperationContext(NameContext.create(stageName, stageName, stageName, stageName))));
        }
    };
}