Examples with Subscriber com.google.cloud.pubsub.spi.v1.Subscriber used on opensource projects

Example 21 with Subscriber

use of com.google.cloud.pubsub.spi.v1.Subscriber in project spring-cloud-gcp by spring-cloud.

the class PubSubSubscriberTemplate method subscribeAndConvert.

@Override
public <T> Subscriber subscribeAndConvert(String subscription, Consumer<ConvertedBasicAcknowledgeablePubsubMessage<T>> messageConsumer, Class<T> payloadType) {
    Assert.notNull(messageConsumer, "The messageConsumer can't be null.");
    Subscriber subscriber = this.subscriberFactory.createSubscriber(subscription, (message, ackReplyConsumer) -> messageConsumer.accept(new ConvertedPushedAcknowledgeablePubsubMessage<>(PubSubSubscriptionUtils.toProjectSubscriptionName(subscription, this.subscriberFactory.getProjectId()), message, this.getMessageConverter().fromPubSubMessage(message, payloadType), ackReplyConsumer)));
    subscriber.startAsync();
    return subscriber;
}

Example 22 with Subscriber

use of com.google.cloud.pubsub.spi.v1.Subscriber in project spring-cloud-gcp by spring-cloud.

the class PubSubSubscriberTemplate method subscribe.

@Override
@Deprecated
public Subscriber subscribe(String subscription, MessageReceiver messageReceiver) {
    Assert.hasText(subscription, "The subscription can't be null or empty.");
    Assert.notNull(messageReceiver, "The messageReceiver can't be null.");
    Subscriber subscriber = this.subscriberFactory.createSubscriber(subscription, messageReceiver);
    subscriber.startAsync();
    return subscriber;
}

Example 23 with Subscriber

use of com.google.cloud.pubsub.spi.v1.Subscriber in project google-cloud-java by GoogleCloudPlatform.

the class SubscriberSnippets method createSubscriber.

private void createSubscriber() throws Exception {
    // [START pubsub_pull]
    String projectId = "my-project-id";
    String subscriptionId = "my-subscription-id";
    SubscriptionName subscriptionName = SubscriptionName.create(projectId, subscriptionId);
    // Instantiate an asynchronous message receiver
    MessageReceiver receiver = new MessageReceiver() {

        @Override
        public void receiveMessage(PubsubMessage message, AckReplyConsumer consumer) {
            // handle incoming message, then ack/nack the received message
            System.out.println("Id : " + message.getMessageId());
            System.out.println("Data : " + message.getData().toStringUtf8());
            consumer.ack();
        }
    };
    Subscriber subscriber = null;
    try {
        // Create a subscriber for "my-subscription-id" bound to the message receiver
        subscriber = Subscriber.defaultBuilder(subscriptionName, receiver).build();
        subscriber.startAsync();
    // ...
    } finally {
        // stop receiving messages
        if (subscriber != null) {
            subscriber.stopAsync();
        }
    }
// [END pubsub_pull]
}

Example 24 with Subscriber

use of com.google.cloud.pubsub.spi.v1.Subscriber in project google-cloud-java by GoogleCloudPlatform.

the class SubscriberSnippets method createSingleThreadedSubscriber.

private Subscriber createSingleThreadedSubscriber() throws Exception {
    // [START pubsub_subscriber_single_threaded]
    // provide a separate executor service for polling
    ExecutorProvider executorProvider = InstantiatingExecutorProvider.newBuilder().setExecutorThreadCount(1).build();
    Subscriber subscriber = Subscriber.defaultBuilder(subscriptionName, receiver).setExecutorProvider(executorProvider).build();
    // [END pubsub_subscriber_single_threaded]
    return subscriber;
}

Example 25 with Subscriber

use of com.google.cloud.pubsub.spi.v1.Subscriber in project google-cloud-java by GoogleCloudPlatform.

the class SubscriberSnippets method createSubscriberWithCustomCredentials.

private Subscriber createSubscriberWithCustomCredentials() throws Exception {
    // [START pubsub_subscriber_custom_credentials]
    CredentialsProvider credentialsProvider = FixedCredentialsProvider.create(ServiceAccountCredentials.fromStream(new FileInputStream("credentials.json")));
    ChannelProvider channelProvider = TopicAdminSettings.defaultChannelProviderBuilder().setCredentialsProvider(credentialsProvider).build();
    Subscriber subscriber = Subscriber.defaultBuilder(subscriptionName, receiver).setChannelProvider(channelProvider).build();
    // [START pubsub_subscriber_custom_credentials]
    return subscriber;
}