Examples with MediatorBuildItem io.quarkus.smallrye.reactivemessaging.deployment.items.MediatorBuildItem used on opensource projects

Example 1 with MediatorBuildItem

use of io.quarkus.smallrye.reactivemessaging.deployment.items.MediatorBuildItem in project quarkus by quarkusio.

the class SmallRyeReactiveMessagingProcessor method build.

@BuildStep
@Record(STATIC_INIT)
public void build(SmallRyeReactiveMessagingRecorder recorder, RecorderContext recorderContext, BuildProducer<SyntheticBeanBuildItem> syntheticBeans, List<MediatorBuildItem> mediatorMethods, List<InjectedEmitterBuildItem> emitterFields, List<InjectedChannelBuildItem> channelFields, BuildProducer<GeneratedClassBuildItem> generatedClass, BuildProducer<ReflectiveClassBuildItem> reflectiveClass, ReactiveMessagingConfiguration conf) {
    ClassOutput classOutput = new GeneratedClassGizmoAdaptor(generatedClass, true);
    List<QuarkusMediatorConfiguration> mediatorConfigurations = new ArrayList<>(mediatorMethods.size());
    List<WorkerConfiguration> workerConfigurations = new ArrayList<>();
    List<EmitterConfiguration> emittersConfigurations = new ArrayList<>();
    List<ChannelConfiguration> channelConfigurations = new ArrayList<>();
    /*
         * Go through the collected MediatorMethods and build up the corresponding MediaConfiguration
         * This includes generating an invoker for each method
         * The configuration will then be captured and used at static init time to push data into smallrye
         */
    for (MediatorBuildItem mediatorMethod : mediatorMethods) {
        MethodInfo methodInfo = mediatorMethod.getMethod();
        BeanInfo bean = mediatorMethod.getBean();
        if (methodInfo.hasAnnotation(BLOCKING) || methodInfo.hasAnnotation(SMALLRYE_BLOCKING) || methodInfo.hasAnnotation(TRANSACTIONAL)) {
            // Just in case both annotation are used, use @Blocking value.
            String poolName = Blocking.DEFAULT_WORKER_POOL;
            // If the method is annotated with the SmallRye Reactive Messaging @Blocking, extract the worker pool name if any
            if (methodInfo.hasAnnotation(ReactiveMessagingDotNames.BLOCKING)) {
                AnnotationInstance blocking = methodInfo.annotation(ReactiveMessagingDotNames.BLOCKING);
                poolName = blocking.value() == null ? Blocking.DEFAULT_WORKER_POOL : blocking.value().asString();
            }
            workerConfigurations.add(new WorkerConfiguration(methodInfo.declaringClass().toString(), methodInfo.name(), poolName));
        }
        try {
            boolean isSuspendMethod = isSuspendMethod(methodInfo);
            QuarkusMediatorConfiguration mediatorConfiguration = QuarkusMediatorConfigurationUtil.create(methodInfo, isSuspendMethod, bean, recorderContext, Thread.currentThread().getContextClassLoader(), conf.strict);
            mediatorConfigurations.add(mediatorConfiguration);
            String generatedInvokerName = generateInvoker(bean, methodInfo, isSuspendMethod, mediatorConfiguration, classOutput);
            /*
                 * We need to register the invoker's constructor for reflection since it will be called inside smallrye.
                 * We could potentially lift this restriction with some extra CDI bean generation, but it's probably not worth
                 * it
                 */
            reflectiveClass.produce(new ReflectiveClassBuildItem(false, false, generatedInvokerName));
            mediatorConfiguration.setInvokerClass((Class<? extends Invoker>) recorderContext.classProxy(generatedInvokerName));
        } catch (IllegalArgumentException e) {
            // needed to pass the TCK
            throw new DeploymentException(e);
        }
    }
    for (InjectedEmitterBuildItem it : emitterFields) {
        emittersConfigurations.add(it.getEmitterConfig());
    }
    for (InjectedChannelBuildItem it : channelFields) {
        channelConfigurations.add(it.getChannelConfig());
    }
    syntheticBeans.produce(SyntheticBeanBuildItem.configure(SmallRyeReactiveMessagingContext.class).supplier(recorder.createContext(mediatorConfigurations, workerConfigurations, emittersConfigurations, channelConfigurations)).done());
}

Example 2 with MediatorBuildItem

use of io.quarkus.smallrye.reactivemessaging.deployment.items.MediatorBuildItem in project quarkus by quarkusio.

the class WiringProcessor method extractComponents.

@BuildStep
void extractComponents(BeanDiscoveryFinishedBuildItem beanDiscoveryFinished, TransformedAnnotationsBuildItem transformedAnnotations, BuildProducer<ChannelBuildItem> appChannels, BuildProducer<MediatorBuildItem> mediatorMethods, BuildProducer<InjectedEmitterBuildItem> emitters, BuildProducer<InjectedChannelBuildItem> channels, BuildProducer<ValidationPhaseBuildItem.ValidationErrorBuildItem> validationErrors, BuildProducer<ConfigDescriptionBuildItem> configDescriptionBuildItemBuildProducer) {
    Map<String, AnnotationInstance> emitterFactories = new HashMap<>();
    // We need to collect all business methods annotated with @Incoming/@Outgoing first
    for (BeanInfo bean : beanDiscoveryFinished.beanStream().classBeans()) {
        // TODO: add support for inherited business methods
        // noinspection OptionalGetWithoutIsPresent
        AnnotationInstance emitterFactory = transformedAnnotations.getAnnotation(bean.getTarget().get(), ReactiveMessagingDotNames.EMITTER_FACTORY_FOR);
        if (emitterFactory != null) {
            emitterFactories.put(emitterFactory.value().asClass().name().toString(), emitterFactory);
        }
        for (MethodInfo method : bean.getTarget().get().asClass().methods()) {
            // @Incoming is repeatable
            AnnotationInstance incoming = transformedAnnotations.getAnnotation(method, ReactiveMessagingDotNames.INCOMING);
            AnnotationInstance incomings = transformedAnnotations.getAnnotation(method, ReactiveMessagingDotNames.INCOMINGS);
            AnnotationInstance outgoing = transformedAnnotations.getAnnotation(method, ReactiveMessagingDotNames.OUTGOING);
            AnnotationInstance blocking = transformedAnnotations.getAnnotation(method, BLOCKING);
            if (incoming != null || incomings != null || outgoing != null) {
                handleMethodAnnotatedWithIncoming(appChannels, validationErrors, configDescriptionBuildItemBuildProducer, method, incoming);
                handleMethodAnnotationWithIncomings(appChannels, validationErrors, configDescriptionBuildItemBuildProducer, method, incomings);
                handleMethodAnnotationWithOutgoing(appChannels, validationErrors, configDescriptionBuildItemBuildProducer, method, outgoing);
                if (WiringHelper.isSynthetic(method)) {
                    continue;
                }
                mediatorMethods.produce(new MediatorBuildItem(bean, method));
                LOGGER.debugf("Found mediator business method %s declared on %s", method, bean);
            } else if (blocking != null) {
                validationErrors.produce(new ValidationPhaseBuildItem.ValidationErrorBuildItem(new DeploymentException("@Blocking used on " + method + " which has no @Incoming or @Outgoing annotation")));
            }
        }
    }
    for (InjectionPointInfo injectionPoint : beanDiscoveryFinished.getInjectionPoints()) {
        Optional<AnnotationInstance> broadcast = WiringHelper.getAnnotation(transformedAnnotations, injectionPoint, ReactiveMessagingDotNames.BROADCAST);
        Optional<AnnotationInstance> channel = WiringHelper.getAnnotation(transformedAnnotations, injectionPoint, ReactiveMessagingDotNames.CHANNEL);
        Optional<AnnotationInstance> legacyChannel = WiringHelper.getAnnotation(transformedAnnotations, injectionPoint, ReactiveMessagingDotNames.LEGACY_CHANNEL);
        String injectionType = injectionPoint.getRequiredType().name().toString();
        AnnotationInstance emitterType = emitterFactories.get(injectionType);
        boolean isLegacyEmitter = injectionPoint.getRequiredType().name().equals(ReactiveMessagingDotNames.LEGACY_EMITTER);
        if (emitterType != null) {
            if (isLegacyEmitter) {
                // Deprecated Emitter from SmallRye (emitter, channel and on overflow have been added to the spec)
                handleEmitter(transformedAnnotations, appChannels, emitters, validationErrors, injectionPoint, emitterType, broadcast, legacyChannel, ReactiveMessagingDotNames.LEGACY_ON_OVERFLOW);
            } else {
                // New emitter from the spec, or Mutiny emitter
                handleEmitter(transformedAnnotations, appChannels, emitters, validationErrors, injectionPoint, emitterType, broadcast, channel, ReactiveMessagingDotNames.ON_OVERFLOW);
            }
        } else {
            if (channel.isPresent()) {
                handleChannelInjection(appChannels, channels, channel.get());
            }
            if (legacyChannel.isPresent()) {
                handleChannelInjection(appChannels, channels, legacyChannel.get());
            }
        }
    }
}