org.springframework.cloud.stream.annotation.Output Java Examples

The following examples show how to use org.springframework.cloud.stream.annotation.Output. 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 File: StreamListenerMessageArgumentTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@StreamListener(Processor.INPUT)
@Output(Processor.OUTPUT)
public StreamListenerTestUtils.BarPojo receive(Message<String> fooMessage) {
	this.receivedMessages.add(fooMessage);
	StreamListenerTestUtils.BarPojo barPojo = new StreamListenerTestUtils.BarPojo();
	barPojo.setBar(fooMessage.getPayload());
	return barPojo;
}
Example #2
Source File: StreamListenerMethodWithReturnMessageTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@StreamListener(Processor.INPUT)
@Output(Processor.OUTPUT)
public Message<?> receive(StreamListenerTestUtils.FooPojo fooPojo) {
	this.receivedPojos.add(fooPojo);
	StreamListenerTestUtils.BarPojo bazPojo = new StreamListenerTestUtils.BarPojo();
	bazPojo.setBar(fooPojo.getFoo());
	return MessageBuilder.withPayload(bazPojo).setHeader("foo", "bar").build();
}
Example #3
Source File: CommentService.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@StreamListener
@Output(Processor.OUTPUT)
public Flux<Comment> save(@Input(Processor.INPUT) Flux<Comment> newComment) {
	return repository
		.saveAll(newComment)
		.map(comment -> {
			meterRegistry
				.counter("comments.consumed", "imageId", comment.getImageId())
				.increment();
			return comment;
		});
}
Example #4
Source File: CommentService.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@StreamListener
@Output(Processor.OUTPUT)
public Flux<Comment> save(@Input(Processor.INPUT) Flux<Comment> newComment) {
	return repository
		.saveAll(newComment)
		.map(comment -> {
			meterRegistry
				.counter("comments.consumed", "imageId", comment.getImageId())
				.increment();
			return comment;
		});
}
Example #5
Source File: StreamListenerAnnotationBeanPostProcessor.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
private boolean checkDeclarativeMethod(Method method,
		String methodAnnotatedInboundName, String methodAnnotatedOutboundName) {
	int methodArgumentsLength = method.getParameterTypes().length;
	for (int parameterIndex = 0; parameterIndex < methodArgumentsLength; parameterIndex++) {
		MethodParameter methodParameter = MethodParameter.forExecutable(method,
				parameterIndex);
		if (methodParameter.hasParameterAnnotation(Input.class)) {
			String inboundName = (String) AnnotationUtils.getValue(
					methodParameter.getParameterAnnotation(Input.class));
			Assert.isTrue(StringUtils.hasText(inboundName),
					StreamListenerErrorMessages.INVALID_INBOUND_NAME);
			Assert.isTrue(
					isDeclarativeMethodParameter(inboundName, methodParameter),
					StreamListenerErrorMessages.INVALID_DECLARATIVE_METHOD_PARAMETERS);
			return true;
		}
		else if (methodParameter.hasParameterAnnotation(Output.class)) {
			String outboundName = (String) AnnotationUtils.getValue(
					methodParameter.getParameterAnnotation(Output.class));
			Assert.isTrue(StringUtils.hasText(outboundName),
					StreamListenerErrorMessages.INVALID_OUTBOUND_NAME);
			Assert.isTrue(
					isDeclarativeMethodParameter(outboundName, methodParameter),
					StreamListenerErrorMessages.INVALID_DECLARATIVE_METHOD_PARAMETERS);
			return true;
		}
		else if (StringUtils.hasText(methodAnnotatedOutboundName)) {
			return isDeclarativeMethodParameter(methodAnnotatedOutboundName,
					methodParameter);
		}
		else if (StringUtils.hasText(methodAnnotatedInboundName)) {
			return isDeclarativeMethodParameter(methodAnnotatedInboundName,
					methodParameter);
		}
	}
	return false;
}
Example #6
Source File: BindingBeanDefinitionRegistryUtils.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
public static void registerOutputBindingTargetBeanDefinition(String qualifierValue,
		String name, String bindingTargetInterfaceBeanName,
		String bindingTargetInterfaceMethodName, BeanDefinitionRegistry registry) {
	registerBindingTargetBeanDefinition(Output.class, qualifierValue, name,
			bindingTargetInterfaceBeanName, bindingTargetInterfaceMethodName,
			registry);
}
Example #7
Source File: CommentService.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@StreamListener
@Output(Processor.OUTPUT)
public Flux<Comment> save(@Input(Processor.INPUT) Flux<Comment> newComment) {
	return repository
		.saveAll(newComment)
		.map(comment -> {
			meterRegistry
				.counter("comments.consumed", "imageId", comment.getImageId())
				.increment();
			return comment;
		});
}
Example #8
Source File: CommentService.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@StreamListener
@Output(Processor.OUTPUT)
public Flux<Comment> save(@Input(Processor.INPUT) Flux<Comment> newComment) {
	return repository
		.saveAll(newComment)
		.map(comment -> {
			log.info("Saving new comment " + comment);
			meterRegistry
				.counter("comments.consumed", "imageId", comment.getImageId())
				.increment();
			return comment;
		});
}
Example #9
Source File: StreamListenerWithAnnotatedInputOutputArgsTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@StreamListener
public void receive(@Input(Processor.INPUT) SubscribableChannel input,
		@Output(Processor.OUTPUT) final MessageChannel output) {
	input.subscribe(new MessageHandler() {
		@Override
		public void handleMessage(Message<?> message) throws MessagingException {
			output.send(MessageBuilder
					.withPayload(message.getPayload().toString().toUpperCase())
					.build());
		}
	});
}
Example #10
Source File: StreamListenerWithAnnotatedInputOutputArgsTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@StreamListener
public void receive(@Input("invalid") SubscribableChannel input,
		@Output(Processor.OUTPUT) final MessageChannel output) {
	input.subscribe(new MessageHandler() {
		@Override
		public void handleMessage(Message<?> message) throws MessagingException {
			output.send(MessageBuilder
					.withPayload(message.getPayload().toString().toUpperCase())
					.build());
		}
	});
}
Example #11
Source File: StreamListenerWithAnnotatedInputOutputArgsTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@StreamListener
public void receive(@Input(Processor.INPUT) SubscribableChannel input,
		@Output(Processor.OUTPUT) final MessageChannel output, String someArg) {
	input.subscribe(new MessageHandler() {
		@Override
		public void handleMessage(Message<?> message) throws MessagingException {
			output.send(MessageBuilder
					.withPayload(message.getPayload().toString().toUpperCase())
					.build());
		}
	});
}
Example #12
Source File: CommentService.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 5 votes vote down vote up 
@StreamListener
@Output(CustomProcessor.OUTPUT)
public Flux<Void> save(@Input(CustomProcessor.INPUT)
					   Flux<Comment> newComments) {
	return repository
		.saveAll(newComments)
		.flatMap(comment -> {
			meterRegistry
				.counter("comments.consumed", "imageId", comment.getImageId())
				.increment();
			return Mono.empty();
		});
}
Example #13
Source File: GitterService.java    From Hands-On-Reactive-Programming-in-Spring-5 with MIT License 5 votes vote down vote up 
@StreamEmitter
@Output(Source.OUTPUT)
public Flux<MessageResponse> getMessagesStream() {
    return webClient.get()
                    .uri(GitterUriBuilder.from(gitterProperties.getStream())
                                         .build()
                                         .toUri())
                    .retrieve()
                    .bodyToFlux(MessageResponse.class)
                    .retryBackoff(Long.MAX_VALUE, Duration.ofMillis(500));
}
Example #14
Source File: EmpIdConverterConverter.java    From Spring-5.0-Cookbook with MIT License 5 votes vote down vote up 
@StreamListener
@Output(Processor.OUTPUT)
public Flux<String> verifyEmpString(@Input(Processor.INPUT) Flux<String> id) {
	System.out.println("first");
	id.delayElements(Duration.ofMillis(2))
	   .log();
	return id;
}
Example #15
Source File: GitterService.java    From Hands-On-Reactive-Programming-in-Spring-5 with MIT License 5 votes vote down vote up 
@SneakyThrows
@StreamEmitter
@Output(Source.OUTPUT)
public Flux<MessageResponse> getLatestMessages() {
    return webClient.get()
                    .uri(GitterUriBuilder.from(gitterProperties.getApi())
                                         .build()
                                         .toUri())
                    .retrieve()
                    .bodyToFlux(MessageResponse.class)
                    .timeout(Duration.ofSeconds(1))
                    .retryBackoff(Long.MAX_VALUE, Duration.ofMillis(500));
}
Example #16
Source File: StreamListenerHandlerBeanTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@StreamListener(Processor.INPUT)
@Output(Processor.OUTPUT)
public StreamListenerTestUtils.BarPojo receive(
		StreamListenerTestUtils.FooPojo fooMessage) {
	this.receivedPojos.add(fooMessage);
	StreamListenerTestUtils.BarPojo barPojo = new StreamListenerTestUtils.BarPojo();
	barPojo.setBar(fooMessage.getFoo());
	return barPojo;
}
Example #17
Source File: CommentController.java    From Learning-Spring-Boot-2.0-Second-Edition with MIT License 4 votes vote down vote up 
@StreamEmitter
@Output(Source.OUTPUT)
public void emit(FluxSender output) {
	output.send(this.flux);
}
Example #18
Source File: StreamListenerHandlerMethodTests.java    From spring-cloud-stream with Apache License 2.0 4 votes vote down vote up 
@StreamListener
public void receive(@Input(Processor.INPUT) SubscribableChannel input,
		@Output("invalid") MessageChannel output) {
}
Example #19
Source File: StreamListenerMethodUtils.java    From spring-cloud-stream with Apache License 2.0 4 votes vote down vote up 
protected static void validateStreamListenerMethod(Method method,
		int inputAnnotationCount, int outputAnnotationCount,
		String methodAnnotatedInboundName, String methodAnnotatedOutboundName,
		boolean isDeclarative, String condition) {
	int methodArgumentsLength = method.getParameterTypes().length;
	if (!isDeclarative) {
		Assert.isTrue(inputAnnotationCount == 0 && outputAnnotationCount == 0,
				StreamListenerErrorMessages.INVALID_DECLARATIVE_METHOD_PARAMETERS);
	}
	if (StringUtils.hasText(methodAnnotatedInboundName)
			&& StringUtils.hasText(methodAnnotatedOutboundName)) {
		Assert.isTrue(inputAnnotationCount == 0 && outputAnnotationCount == 0,
				StreamListenerErrorMessages.INVALID_INPUT_OUTPUT_METHOD_PARAMETERS);
	}
	if (StringUtils.hasText(methodAnnotatedInboundName)) {
		Assert.isTrue(inputAnnotationCount == 0,
				StreamListenerErrorMessages.INVALID_INPUT_VALUES);
		Assert.isTrue(outputAnnotationCount == 0,
				StreamListenerErrorMessages.INVALID_INPUT_VALUE_WITH_OUTPUT_METHOD_PARAM);
	}
	else {
		Assert.isTrue(inputAnnotationCount >= 1,
				StreamListenerErrorMessages.NO_INPUT_DESTINATION);
	}
	if (StringUtils.hasText(methodAnnotatedOutboundName)) {
		Assert.isTrue(outputAnnotationCount == 0,
				StreamListenerErrorMessages.INVALID_OUTPUT_VALUES);
	}
	if (!Void.TYPE.equals(method.getReturnType())) {
		Assert.isTrue(!StringUtils.hasText(condition),
				StreamListenerErrorMessages.CONDITION_ON_METHOD_RETURNING_VALUE);
	}
	if (isDeclarative) {
		Assert.isTrue(!StringUtils.hasText(condition),
				StreamListenerErrorMessages.CONDITION_ON_DECLARATIVE_METHOD);
		for (int parameterIndex = 0; parameterIndex < methodArgumentsLength; parameterIndex++) {
			MethodParameter methodParameter = MethodParameter.forExecutable(method,
					parameterIndex);
			if (methodParameter.hasParameterAnnotation(Input.class)) {
				String inboundName = (String) AnnotationUtils.getValue(
						methodParameter.getParameterAnnotation(Input.class));
				Assert.isTrue(StringUtils.hasText(inboundName),
						StreamListenerErrorMessages.INVALID_INBOUND_NAME);
			}
			if (methodParameter.hasParameterAnnotation(Output.class)) {
				String outboundName = (String) AnnotationUtils.getValue(
						methodParameter.getParameterAnnotation(Output.class));
				Assert.isTrue(StringUtils.hasText(outboundName),
						StreamListenerErrorMessages.INVALID_OUTBOUND_NAME);
			}
		}
		if (methodArgumentsLength > 1) {
			Assert.isTrue(
					inputAnnotationCount
							+ outputAnnotationCount == methodArgumentsLength,
					StreamListenerErrorMessages.INVALID_DECLARATIVE_METHOD_PARAMETERS);
		}
	}

	if (!method.getReturnType().equals(Void.TYPE)) {
		if (!StringUtils.hasText(methodAnnotatedOutboundName)) {
			if (outputAnnotationCount == 0) {
				throw new IllegalArgumentException(
						StreamListenerErrorMessages.RETURN_TYPE_NO_OUTBOUND_SPECIFIED);
			}
			Assert.isTrue((outputAnnotationCount == 1),
					StreamListenerErrorMessages.RETURN_TYPE_MULTIPLE_OUTBOUND_SPECIFIED);
		}
	}
}
Example #20
Source File: TestSourceOutput.java    From spring-cloud-gray with Apache License 2.0 4 votes vote down vote up 
@Output(OUTPUT)
MessageChannel output();
Example #21
Source File: ProductCompositeIntegration.java    From Hands-On-Microservices-with-Spring-Boot-and-Spring-Cloud with MIT License 4 votes vote down vote up 
@Output(OUTPUT_RECOMMENDATIONS)
MessageChannel outputRecommendations();
Example #22
Source File: Sender.java    From Microservices-Building-Scalable-Software with MIT License 4 votes vote down vote up 
@Output("checkInQ")
public MessageChannel checkInQ();
Example #23
Source File: BatchEventAutoConfiguration.java    From spring-cloud-task with Apache License 2.0 4 votes vote down vote up 
@Output(JOB_EXECUTION_EVENTS)
MessageChannel jobExecutionEvents();
Example #24
Source File: ProductCompositeIntegration.java    From Hands-On-Microservices-with-Spring-Boot-and-Spring-Cloud with MIT License 4 votes vote down vote up 
@Output(OUTPUT_PRODUCTS)
MessageChannel outputProducts();
Example #25
Source File: RocketMqConfig.java    From microservices-platform with Apache License 2.0 4 votes vote down vote up 
@Output(Source.OUTPUT)
MessageChannel output();
Example #26
Source File: ProductCompositeIntegration.java    From Hands-On-Microservices-with-Spring-Boot-and-Spring-Cloud with MIT License 4 votes vote down vote up 
@Output(OUTPUT_REVIEWS)
MessageChannel outputReviews();
Example #27
Source File: KinesisBinderProcessorTests.java    From spring-cloud-stream-binder-aws-kinesis with Apache License 2.0 4 votes vote down vote up 
@Output(TO_PROCESSOR_OUTPUT)
MessageChannel toProcessorOutput();
Example #28
Source File: ConsumerProducerTransactionTests.java    From spring-cloud-stream-binder-kafka with Apache License 2.0 4 votes vote down vote up 
@Output
MessageChannel output2();
Example #29
Source File: ProductCompositeIntegration.java    From Hands-On-Microservices-with-Spring-Boot-and-Spring-Cloud with MIT License 4 votes vote down vote up 
@Output(OUTPUT_RECOMMENDATIONS)
MessageChannel outputRecommendations();
Example #30
Source File: ProductCompositeIntegration.java    From Hands-On-Microservices-with-Spring-Boot-and-Spring-Cloud with MIT License 4 votes vote down vote up 
@Output(OUTPUT_REVIEWS)
MessageChannel outputReviews();