Examples with NamedTopic com.tangosol.net.topic.NamedTopic used on opensource projects

Example 1 with NamedTopic

use of com.tangosol.net.topic.NamedTopic in project micronaut-coherence by micronaut-projects.

the class CoherenceTopicListenerProcessor method createSubscribers.

@SuppressWarnings({ "unchecked", "rawtypes" })
void createSubscribers(Coherence coherence) {
    for (MethodHolder holder : methods) {
        List<Subscriber.Option> options = new ArrayList<>();
        ExecutableMethod<?, ?> method = holder.getMethod();
        String topicName = Utils.getFirstTopicName(method).orElse(method.getMethodName());
        String sessionName = method.stringValue(SessionName.class).orElse(Coherence.DEFAULT_NAME);
        if (!coherence.hasSession(sessionName)) {
            LOG.info("Skipping @CoherenceTopicListener annotated method subscription {} Session {} does not exist on Coherence instance {}", method, sessionName, coherence.getName());
            return;
        }
        Session session = coherence.getSession(sessionName);
        Publisher[] sendToPublishers;
        String[] sendToTopics = Utils.getSendToTopicNames(method);
        if (sendToTopics.length > 0) {
            if (method.getReturnType().isVoid()) {
                LOG.info("Skipping @SendTo annotations for @CoherenceTopicListener annotated method {} - method return type is void", method);
                sendToPublishers = new Publisher[0];
            } else {
                sendToPublishers = new Publisher[sendToTopics.length];
                for (int i = 0; i < sendToTopics.length; i++) {
                    NamedTopic<?> topic = session.getTopic(sendToTopics[i]);
                    sendToPublishers[i] = topic.createPublisher();
                }
            }
        } else {
            sendToPublishers = new Publisher[0];
        }
        method.stringValue(SubscriberGroup.class).ifPresent(name -> options.add(Subscriber.Name.of(name)));
        List<String> filterBindings = method.getAnnotationNamesByStereotype(FilterBinding.class);
        if (!filterBindings.isEmpty()) {
            Set<Annotation> annotations = filterBindings.stream().map(s -> method.getAnnotationType(s).orElse(null)).filter(Objects::nonNull).map(method::synthesize).collect(Collectors.toSet());
            Filter filter = filterFactories.resolve(annotations);
            if (filter != null) {
                options.add(Subscriber.Filtered.by(filter));
            }
        }
        List<String> extractorBindings = method.getAnnotationNamesByStereotype(ExtractorBinding.class);
        if (!extractorBindings.isEmpty()) {
            Set<Annotation> annotations = extractorBindings.stream().map(s -> method.getAnnotationType(s).orElse(null)).filter(Objects::nonNull).map(method::synthesize).collect(Collectors.toSet());
            ValueExtractor extractor = extractorFactories.resolve(annotations);
            if (extractor != null) {
                options.add(Subscriber.Convert.using(extractor));
            }
        }
        BeanDefinition<?> beanDefinition = holder.getBeanDefinition();
        Class<?> clsBeanType = beanDefinition.getBeanType();
        Object bean = context.getBean(clsBeanType);
        NamedTopic<?> topic = session.getTopic(topicName);
        Subscriber<?> subscriber = topic.createSubscriber(options.toArray(options.toArray(new Subscriber.Option[0])));
        TopicSubscriber<?, ?, ?> topicSubscriber = new TopicSubscriber(topicName, subscriber, sendToPublishers, bean, method, registry, scheduler);
        subscribers.add(topicSubscriber);
        topicSubscriber.nextMessage();
    }
    subscribed = true;
}