Examples with CloseableThrowingConsumer org.apache.beam.fn.harness.fn.CloseableThrowingConsumer used on opensource projects

Example 1 with CloseableThrowingConsumer

use of org.apache.beam.fn.harness.fn.CloseableThrowingConsumer in project beam by apache.

the class ProcessBundleHandlerTest method testCreatingAndProcessingBeamFnDataWriteRunner.

@Test
public void testCreatingAndProcessingBeamFnDataWriteRunner() throws Exception {
    Map<String, Message> fnApiRegistry = ImmutableMap.of(STRING_CODER_SPEC_ID, STRING_CODER_SPEC);
    String bundleId = "57L";
    String primitiveTransformId = "100L";
    long outputId = 101L;
    BeamFnApi.Target inputTarget = BeamFnApi.Target.newBuilder().setPrimitiveTransformReference("1000L").setName("inputTarget").build();
    Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> existingConsumers = ImmutableMultimap.of();
    Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> newConsumers = HashMultimap.create();
    List<ThrowingRunnable> startFunctions = new ArrayList<>();
    List<ThrowingRunnable> finishFunctions = new ArrayList<>();
    BeamFnApi.FunctionSpec functionSpec = BeamFnApi.FunctionSpec.newBuilder().setId("1L").setUrn(DATA_OUTPUT_URN).setData(Any.pack(REMOTE_PORT)).build();
    BeamFnApi.PrimitiveTransform primitiveTransform = BeamFnApi.PrimitiveTransform.newBuilder().setId(primitiveTransformId).setFunctionSpec(functionSpec).putInputs("input", BeamFnApi.Target.List.newBuilder().addTarget(inputTarget).build()).putOutputs(Long.toString(outputId), BeamFnApi.PCollection.newBuilder().setCoderReference(STRING_CODER_SPEC_ID).build()).build();
    ProcessBundleHandler handler = new ProcessBundleHandler(PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient);
    handler.createConsumersForPrimitiveTransform(primitiveTransform, Suppliers.ofInstance(bundleId)::get, existingConsumers::get, newConsumers::put, startFunctions::add, finishFunctions::add);
    verifyZeroInteractions(beamFnDataClient);
    List<WindowedValue<String>> outputValues = new ArrayList<>();
    AtomicBoolean wasCloseCalled = new AtomicBoolean();
    CloseableThrowingConsumer<WindowedValue<String>> outputConsumer = new CloseableThrowingConsumer<WindowedValue<String>>() {

        @Override
        public void close() throws Exception {
            wasCloseCalled.set(true);
        }

        @Override
        public void accept(WindowedValue<String> t) throws Exception {
            outputValues.add(t);
        }
    };
    when(beamFnDataClient.forOutboundConsumer(any(), any(), Matchers.<Coder<WindowedValue<String>>>any())).thenReturn(outputConsumer);
    Iterables.getOnlyElement(startFunctions).run();
    verify(beamFnDataClient).forOutboundConsumer(eq(REMOTE_PORT.getApiServiceDescriptor()), eq(KV.of(bundleId, BeamFnApi.Target.newBuilder().setPrimitiveTransformReference(primitiveTransformId).setName(Long.toString(outputId)).build())), eq(STRING_CODER));
    assertEquals(newConsumers.keySet(), ImmutableSet.of(inputTarget));
    Iterables.getOnlyElement(newConsumers.get(inputTarget)).accept(valueInGlobalWindow("TestValue"));
    assertThat(outputValues, contains(valueInGlobalWindow("TestValue")));
    outputValues.clear();
    assertFalse(wasCloseCalled.get());
    Iterables.getOnlyElement(finishFunctions).run();
    assertTrue(wasCloseCalled.get());
    verifyNoMoreInteractions(beamFnDataClient);
}

Example 2 with CloseableThrowingConsumer

use of org.apache.beam.fn.harness.fn.CloseableThrowingConsumer in project beam by apache.

the class BeamFnDataGrpcClientTest method testForOutboundConsumer.

@Test
public void testForOutboundConsumer() throws Exception {
    CountDownLatch waitForInboundServerValuesCompletion = new CountDownLatch(2);
    Collection<BeamFnApi.Elements> inboundServerValues = new ConcurrentLinkedQueue<>();
    CallStreamObserver<BeamFnApi.Elements> inboundServerObserver = TestStreams.withOnNext(new Consumer<BeamFnApi.Elements>() {

        @Override
        public void accept(BeamFnApi.Elements t) {
            inboundServerValues.add(t);
            waitForInboundServerValuesCompletion.countDown();
        }
    }).build();
    BeamFnApi.ApiServiceDescriptor apiServiceDescriptor = BeamFnApi.ApiServiceDescriptor.newBuilder().setUrl(this.getClass().getName() + "-" + UUID.randomUUID().toString()).build();
    Server server = InProcessServerBuilder.forName(apiServiceDescriptor.getUrl()).addService(new BeamFnDataGrpc.BeamFnDataImplBase() {

        @Override
        public StreamObserver<BeamFnApi.Elements> data(StreamObserver<BeamFnApi.Elements> outboundObserver) {
            return inboundServerObserver;
        }
    }).build();
    server.start();
    try {
        ManagedChannel channel = InProcessChannelBuilder.forName(apiServiceDescriptor.getUrl()).build();
        BeamFnDataGrpcClient clientFactory = new BeamFnDataGrpcClient(PipelineOptionsFactory.fromArgs(new String[] { "--experiments=beam_fn_api_data_buffer_limit=20" }).create(), (BeamFnApi.ApiServiceDescriptor descriptor) -> channel, this::createStreamForTest);
        try (CloseableThrowingConsumer<WindowedValue<String>> consumer = clientFactory.forOutboundConsumer(apiServiceDescriptor, KEY_A, CODER)) {
            consumer.accept(valueInGlobalWindow("ABC"));
            consumer.accept(valueInGlobalWindow("DEF"));
            consumer.accept(valueInGlobalWindow("GHI"));
        }
        waitForInboundServerValuesCompletion.await();
        assertThat(inboundServerValues, contains(ELEMENTS_A_1, ELEMENTS_A_2));
    } finally {
        server.shutdownNow();
    }
}