Examples with PublisherConfigurationProperties io.micronaut.gcp.pubsub.configuration.PublisherConfigurationProperties used on opensource projects

Example 1 with PublisherConfigurationProperties

use of io.micronaut.gcp.pubsub.configuration.PublisherConfigurationProperties in project micronaut-gcp by micronaut-projects.

the class DefaultPublisherFactory method createPublisher.

/**
 * Creates a publisher for a given topic.
 *
 * @param config {@link PublisherFactoryConfig} object containing all required properties.
 * @return An instance of {@link Publisher} configured using the config and environment properties from `gcp.pubsub.publisher.>config_name<`
 */
@Override
public Publisher createPublisher(@NonNull PublisherFactoryConfig config) {
    try {
        Publisher.Builder publisherBuilder = Publisher.newBuilder(config.getTopicState().getProjectTopicName());
        Optional<PublisherConfigurationProperties> publisherConfiguration = beanContext.findBean(PublisherConfigurationProperties.class, Qualifiers.byName(config.getTopicState().getConfigurationName()));
        String executor = publisherConfiguration.map(p -> p.getExecutor()).orElse(config.getDefaultExecutor());
        ExecutorService executorService = beanContext.getBean(ExecutorService.class, Qualifiers.byName(executor));
        publisherBuilder.setEnableMessageOrdering(config.getTopicState().getOrdered());
        if (!StringUtils.isEmpty(config.getTopicState().getEndpoint())) {
            publisherBuilder.setEndpoint(config.getTopicState().getEndpoint());
        }
        if (publisherConfiguration.isPresent()) {
            publisherBuilder.setRetrySettings(publisherConfiguration.get().getRetrySettings().build());
            // FlowControl had to be flatten in order to be parsed
            BatchingSettings batchSettings = publisherConfiguration.get().getBatchingSettings().build();
            publisherBuilder.setBatchingSettings(BatchingSettings.newBuilder().setDelayThreshold(batchSettings.getDelayThreshold()).setElementCountThreshold(batchSettings.getElementCountThreshold()).setIsEnabled(batchSettings.getIsEnabled()).setRequestByteThreshold(batchSettings.getRequestByteThreshold()).setFlowControlSettings(publisherConfiguration.get().getFlowControlSettings().build()).build());
        }
        if (!(executorService instanceof ScheduledExecutorService)) {
            throw new IllegalStateException("Invalid Executor type provided, please make sure you have a ScheduledExecutorService configured for Publisher: " + config.getTopicState().getProjectTopicName().getTopic());
        }
        publisherBuilder.setExecutorProvider(FixedExecutorProvider.create((ScheduledExecutorService) executorService));
        publisherBuilder.setChannelProvider(this.transportChannelProvider);
        publisherBuilder.setCredentialsProvider(this.credentialsProvider);
        return publisherBuilder.build();
    } catch (Exception ex) {
        throw new PubSubClientException("Failed to create subscriber", ex);
    }
}