Java Code Examples for reactor.core.publisher.Flux#transform()

The following examples show how to use reactor.core.publisher.Flux#transform() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: reactive-grpc   File: ServerErrorIntegrationTest.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
@Test
public void manyToMany() {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> requestFlux = Flux.just(HelloRequest.getDefaultInstance());

    if (!expectFusion) {
        requestFlux = requestFlux.hide();
    }

    Flux<HelloResponse> resp = requestFlux.transform(stub::sayHelloBothStream);

    StepVerifier.Step<HelloResponse> stepVerifier = StepVerifier.create(resp);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<HelloResponse>) stepVerifier).expectFusion();
    }

    stepVerifier
            .verifyErrorMatches(t -> t instanceof StatusRuntimeException && ((StatusRuntimeException)t).getStatus() == Status.INTERNAL);
}
Example 2
Source Project: reactive-grpc   File: ClientThreadIntegrationTest.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Test
public void manyToMany() {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> req = Flux.just(
            HelloRequest.newBuilder().setName("a").build(),
            HelloRequest.newBuilder().setName("b").build(),
            HelloRequest.newBuilder().setName("c").build(),
            HelloRequest.newBuilder().setName("d").build(),
            HelloRequest.newBuilder().setName("e").build());

    if (!expectFusion) {
        req = req.hide();
    }

    Flux<HelloResponse> resp = req.transform(stub::sayHelloBothStream);

    AtomicReference<String> clientThreadName = new AtomicReference<>();

    StepVerifier.Step<String> stepVerifier = StepVerifier.create(
        resp
            .map(HelloResponse::getMessage)
            .doOnNext(x -> clientThreadName.set(Thread.currentThread().getName()))
    );

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<String>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext("Hello a and b", "Hello c and d", "Hello e")
            .verifyComplete();

    assertThat(clientThreadName.get()).isEqualTo("TheGrpcClient");
    assertThat(service.serverThreadName.get()).isEqualTo("TheGrpcServer");
}
Example 3
Source Project: reactive-grpc   File: UnexpectedServerErrorIntegrationTest.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Test
public void manyToMany() {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> req = Flux.just(HelloRequest.getDefaultInstance());
    Flux<HelloResponse> resp = req.transform(stub::sayHelloBothStream);

    StepVerifier.create(resp)
            .verifyErrorMatches(t -> t instanceof StatusRuntimeException && ((StatusRuntimeException)t).getStatus().getCode() == Status.Code.INTERNAL);
}
Example 4
Source Project: reactive-grpc   File: BackpressureIntegrationTest.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Test
public void bidiRequestBackpressure() {
    serverRule.getServiceRegistry().addService(service);

    ReactorNumbersGrpc.ReactorNumbersStub stub = ReactorNumbersGrpc.newReactorStub(serverRule.getChannel());

    Flux<NumberProto.Number> reactorRequest = Flux
            .fromIterable(IntStream.range(0, NUMBER_OF_STREAM_ELEMENTS)::iterator)
            .doOnNext(i -> System.out.println(i + " --> "))
            .doOnNext(i -> updateNumberOfWaits(lastValueTime, numberOfWaits))
            .map(BackpressureIntegrationTest::protoNum);

    if (!expectFusion) {
        reactorRequest = reactorRequest.hide();
    }

    Flux<NumberProto.Number> reactorResponse = reactorRequest.transform(stub::twoWayRequestPressure);

    StepVerifier.Step<NumberProto.Number> stepVerifier = StepVerifier.create(reactorResponse);

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<NumberProto.Number>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNextMatches(v -> v.getNumber(0) == NUMBER_OF_STREAM_ELEMENTS - 1)
            .expectComplete()
            .verify(Duration.ofSeconds(15));

    assertThat(numberOfWaits.get()).isGreaterThan(0L);
}
Example 5
Source Project: reactive-grpc   File: EndToEndIntegrationTest.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Test
public void manyToMany() throws Exception {
    ReactorGreeterGrpc.ReactorGreeterStub stub = ReactorGreeterGrpc.newReactorStub(channel);
    Flux<HelloRequest> req = Flux.just(
            HelloRequest.newBuilder().setName("a").build(),
            HelloRequest.newBuilder().setName("b").build(),
            HelloRequest.newBuilder().setName("c").build(),
            HelloRequest.newBuilder().setName("d").build(),
            HelloRequest.newBuilder().setName("e").build());

    if (!expectFusion) {
        req = req.hide();
    }

    Flux<HelloResponse> resp = req.transform(stub::sayHelloBothStream);



    StepVerifier.Step<String> stepVerifier = StepVerifier.create(resp.map(HelloResponse::getMessage));

    if (expectFusion) {
        stepVerifier = ((StepVerifier.FirstStep<String>) stepVerifier).expectFusion();
    }

    stepVerifier
            .expectNext("Hello a and b", "Hello c and d", "Hello e")
            .verifyComplete();
}
Example 6
Source Project: spring-cloud-alibaba   File: ReactiveSentinelCircuitBreaker.java    License: Apache License 2.0 5 votes vote down vote up 
@Override
public <T> Flux<T> run(Flux<T> toRun, Function<Throwable, Flux<T>> fallback) {
	Flux<T> toReturn = toRun.transform(new SentinelReactorTransformer<>(
			new EntryConfig(resourceName, entryType)));
	if (fallback != null) {
		toReturn = toReturn.onErrorResume(fallback);
	}
	return toReturn;
}
Example 7
Source Project: spring-cloud-function   File: FluxedFunction.java    License: Apache License 2.0 4 votes vote down vote up 
@Override
public Flux<O> apply(Flux<I> input) {
	return input.transform(this.getTarget());
}