Examples with BoundExecutable io.micronaut.core.bind.BoundExecutable used on opensource projects

Example 1 with BoundExecutable

use of io.micronaut.core.bind.BoundExecutable in project micronaut-kafka by micronaut-projects.

the class KafkaConsumerProcessor method processConsumerRecords.

private boolean processConsumerRecords(final ConsumerState consumerState, final ExecutableMethod<?, ?> method, final Map<Argument<?>, Object> boundArguments, final boolean trackPartitions, final Optional<Argument<?>> ackArg, final ConsumerRecords<?, ?> consumerRecords) {
    final ExecutableBinder<ConsumerRecord<?, ?>> executableBinder = new DefaultExecutableBinder<>(boundArguments);
    final Map<TopicPartition, OffsetAndMetadata> currentOffsets = trackPartitions ? new HashMap<>() : null;
    for (final ConsumerRecord<?, ?> consumerRecord : consumerRecords) {
        LOG.trace("Kafka consumer [{}] received record: {}", method, consumerRecord);
        if (trackPartitions) {
            final TopicPartition topicPartition = new TopicPartition(consumerRecord.topic(), consumerRecord.partition());
            final OffsetAndMetadata offsetAndMetadata = new OffsetAndMetadata(consumerRecord.offset() + 1, null);
            currentOffsets.put(topicPartition, offsetAndMetadata);
        }
        Consumer<?, ?> kafkaConsumer = consumerState.kafkaConsumer;
        ackArg.ifPresent(argument -> boundArguments.put(argument, (KafkaAcknowledgement) () -> kafkaConsumer.commitSync(currentOffsets)));
        try {
            final BoundExecutable boundExecutable = executableBinder.bind(method, binderRegistry, consumerRecord);
            final Object result = boundExecutable.invoke(consumerState.consumerBean);
            if (result != null) {
                final Flux<?> resultFlowable;
                final boolean isBlocking;
                if (Publishers.isConvertibleToPublisher(result)) {
                    resultFlowable = Flux.from(Publishers.convertPublisher(result, Publisher.class));
                    isBlocking = method.hasAnnotation(Blocking.class);
                } else {
                    resultFlowable = Flux.just(result);
                    isBlocking = true;
                }
                handleResultFlux(consumerState, method, consumerRecord, resultFlowable, isBlocking, consumerRecords);
            }
        } catch (Throwable e) {
            if (resolveWithErrorStrategy(consumerState, consumerRecord, e)) {
                return false;
            }
        }
        if (consumerState.offsetStrategy == OffsetStrategy.SYNC_PER_RECORD) {
            try {
                kafkaConsumer.commitSync(currentOffsets);
            } catch (CommitFailedException e) {
                handleException(consumerState, consumerRecord, e);
            }
        } else if (consumerState.offsetStrategy == OffsetStrategy.ASYNC_PER_RECORD) {
            kafkaConsumer.commitAsync(currentOffsets, resolveCommitCallback(consumerState.consumerBean));
        }
    }
    return true;
}

Example 2 with BoundExecutable

use of io.micronaut.core.bind.BoundExecutable in project micronaut-kafka by micronaut-projects.

the class KafkaConsumerProcessor method processConsumerRecordsAsBatch.

private boolean processConsumerRecordsAsBatch(final ConsumerState consumerState, final ExecutableMethod<?, ?> method, final Map<Argument<?>, Object> boundArguments, final ConsumerRecords<?, ?> consumerRecords) {
    final ExecutableBinder<ConsumerRecords<?, ?>> batchBinder = new DefaultExecutableBinder<>(boundArguments);
    final BoundExecutable boundExecutable = batchBinder.bind(method, batchBinderRegistry, consumerRecords);
    Object result = boundExecutable.invoke(consumerState.consumerBean);
    if (result != null) {
        if (result.getClass().isArray()) {
            result = Arrays.asList((Object[]) result);
        }
        final boolean isPublisher = Publishers.isConvertibleToPublisher(result);
        final Flux<?> resultFlux;
        if (result instanceof Iterable) {
            resultFlux = Flux.fromIterable((Iterable) result);
        } else if (isPublisher) {
            resultFlux = Flux.from(Publishers.convertPublisher(result, Publisher.class));
        } else {
            resultFlux = Flux.just(result);
        }
        final Iterator<? extends ConsumerRecord<?, ?>> iterator = consumerRecords.iterator();
        final boolean isBlocking = !isPublisher || method.hasAnnotation(Blocking.class);
        if (isBlocking) {
            List<?> objects = resultFlux.collectList().block();
            for (Object object : objects) {
                if (iterator.hasNext()) {
                    final ConsumerRecord<?, ?> consumerRecord = iterator.next();
                    handleResultFlux(consumerState, method, consumerRecord, Flux.just(object), isBlocking, consumerRecords);
                }
            }
        } else {
            resultFlux.subscribe(o -> {
                if (iterator.hasNext()) {
                    final ConsumerRecord<?, ?> consumerRecord = iterator.next();
                    handleResultFlux(consumerState, method, consumerRecord, Flux.just(o), isBlocking, consumerRecords);
                }
            });
        }
    }
    return true;
}

Example 3 with BoundExecutable

use of io.micronaut.core.bind.BoundExecutable in project micronaut-nats by micronaut-projects.

the class NatsConsumerAdvice method process.

@Override
public void process(BeanDefinition<?> beanDefinition, ExecutableMethod<?, ?> method) {
    if (method.hasAnnotation(NatsListener.class)) {
        AnnotationValue<Subject> subjectAnn = method.getAnnotation(Subject.class);
        if (subjectAnn != null) {
            String subject = subjectAnn.getRequiredValue(String.class);
            String connectionName = method.findAnnotation(NatsConnection.class).flatMap(conn -> conn.get("connection", String.class)).orElse(NatsConnection.DEFAULT_CONNECTION);
            io.micronaut.context.Qualifier<Object> qualifer = beanDefinition.getAnnotationTypeByStereotype("javax.inject.Qualifier").map(type -> Qualifiers.byAnnotation(beanDefinition, type)).orElse(null);
            Class<Object> beanType = (Class<Object>) beanDefinition.getBeanType();
            Class<?> returnTypeClass = method.getReturnType().getType();
            boolean isVoid = returnTypeClass == Void.class || returnTypeClass == void.class;
            Object bean = beanContext.findBean(beanType, qualifer).orElseThrow(() -> new MessageListenerException("Could not find the bean to execute the method " + method));
            Connection connection = beanContext.getBean(Connection.class, Qualifiers.byName(connectionName));
            DefaultExecutableBinder<Message> binder = new DefaultExecutableBinder<>();
            Dispatcher ds = connection.createDispatcher(msg -> {
                BoundExecutable boundExecutable = null;
                try {
                    boundExecutable = binder.bind(method, binderRegistry, msg);
                } catch (Throwable e) {
                    handleException(new NatsListenerException("An error occurred binding the message to the method", e, bean, msg));
                }
                if (boundExecutable != null) {
                    Object returnedValue = boundExecutable.invoke(bean);
                    if (!isVoid && StringUtils.isNotEmpty(msg.getReplyTo())) {
                        byte[] converted = null;
                        if (returnedValue != null) {
                            NatsMessageSerDes serDes = serDesRegistry.findSerdes(method.getReturnType().asArgument()).map(NatsMessageSerDes.class::cast).orElseThrow(() -> new NatsListenerException(String.format("Could not find a serializer for the body argument of type [%s]", returnedValue.getClass().getName()), bean, msg));
                            converted = serDes.serialize(returnedValue);
                        }
                        connection.publish(msg.getReplyTo(), converted);
                    }
                }
            });
            Optional<String> queueOptional = subjectAnn.get("queue", String.class);
            if (queueOptional.isPresent() && !queueOptional.get().isEmpty()) {
                ds.subscribe(subject, queueOptional.get());
            } else {
                ds.subscribe(subject);
            }
            consumerDispatchers.put(ds, subject);
        }
    }
}

Example 4 with BoundExecutable

use of io.micronaut.core.bind.BoundExecutable in project micronaut-gcp by micronaut-projects.

the class PubSubConsumerAdvice method process.

@Override
public void process(BeanDefinition<?> beanDefinition, ExecutableMethod<?, ?> method) {
    if (beanDefinition.hasDeclaredAnnotation(PubSubListener.class)) {
        AnnotationValue<Subscription> subscriptionAnnotation = method.getAnnotation(Subscription.class);
        io.micronaut.context.Qualifier<Object> qualifier = beanDefinition.getAnnotationTypeByStereotype(Qualifier.class).map(type -> Qualifiers.byAnnotation(beanDefinition, type)).orElse(null);
        boolean hasAckArg = Arrays.stream(method.getArguments()).anyMatch(arg -> Acknowledgement.class.isAssignableFrom(arg.getType()));
        Class<Object> beanType = (Class<Object>) beanDefinition.getBeanType();
        Object bean = beanContext.findBean(beanType, qualifier).orElseThrow(() -> new MessageListenerException("Could not find the bean to execute the method " + method));
        DefaultExecutableBinder<PubSubConsumerState> binder = new DefaultExecutableBinder<>();
        if (subscriptionAnnotation != null) {
            String subscriptionName = subscriptionAnnotation.getRequiredValue(String.class);
            ProjectSubscriptionName projectSubscriptionName = PubSubSubscriptionUtils.toProjectSubscriptionName(subscriptionName, googleCloudConfiguration.getProjectId());
            String defaultContentType = subscriptionAnnotation.stringValue("contentType").orElse(MediaType.APPLICATION_JSON);
            String configuration = subscriptionAnnotation.stringValue("configuration").orElse("");
            MessageReceiver receiver = (PubsubMessage message, AckReplyConsumer ackReplyConsumer) -> {
                String messageContentType = message.getAttributesMap().getOrDefault("Content-Type", "");
                String contentType = Optional.of(messageContentType).filter(StringUtils::isNotEmpty).orElse(defaultContentType);
                DefaultPubSubAcknowledgement pubSubAcknowledgement = new DefaultPubSubAcknowledgement(ackReplyConsumer);
                PubSubConsumerState consumerState = new PubSubConsumerState(message, ackReplyConsumer, projectSubscriptionName, contentType);
                try {
                    BoundExecutable executable = null;
                    try {
                        executable = binder.bind(method, binderRegistry, consumerState);
                    } catch (Exception ex) {
                        handleException(new PubSubMessageReceiverException("Error binding message to the method", ex, bean, consumerState));
                    }
                    // Discard result
                    executable.invoke(bean);
                    if (!hasAckArg) {
                        // if manual ack is not specified we auto ack message after method execution
                        pubSubAcknowledgement.ack();
                    } else {
                        Optional<Object> boundAck = Arrays.stream(executable.getBoundArguments()).filter(o -> (o instanceof DefaultPubSubAcknowledgement)).findFirst();
                        if (boundAck.isPresent()) {
                            DefaultPubSubAcknowledgement manualAck = (DefaultPubSubAcknowledgement) boundAck.get();
                            if (!manualAck.isClientAck()) {
                                logger.warn("Method {} was executed and no message acknowledge detected. Did you forget to invoke ack()/nack()?", method.getName());
                            }
                        }
                    }
                } catch (Exception e) {
                    handleException(new PubSubMessageReceiverException("Error handling message", e, bean, consumerState));
                }
            };
            try {
                this.subscriberFactory.createSubscriber(new SubscriberFactoryConfig(projectSubscriptionName, receiver, configuration, pubSubConfigurationProperties.getSubscribingExecutor()));
            } catch (Exception e) {
                throw new PubSubListenerException("Failed to create subscriber", e);
            }
        }
    }
}

Example 5 with BoundExecutable

use of io.micronaut.core.bind.BoundExecutable in project micronaut-jms by micronaut-projects.

the class AbstractJMSListenerMethodProcessor method generateAndBindListener.

@SuppressWarnings("unchecked")
private MessageListener generateAndBindListener(Object bean, ExecutableMethod<?, ?> method, ExecutorService executor, boolean acknowledge) {
    return message -> executor.submit(() -> {
        try {
            DefaultExecutableBinder<Message> binder = new DefaultExecutableBinder<>();
            BoundExecutable boundExecutable = binder.bind(method, jmsArgumentBinderRegistry, message);
            boundExecutable.invoke(bean);
            if (acknowledge) {
                try {
                    message.acknowledge();
                } catch (JMSException e) {
                    logger.error("Failed to acknowledge receipt of message with the broker. " + "This message may be falsely retried.", e);
                    throw new MessageAcknowledgementException(e.getMessage(), e);
                }
            }
        } catch (Exception e) {
            logger.error("Failed to process a message: " + message + " " + e.getMessage(), e);
        }
    });
}