Examples with Subscription com.google.pubsub.v1.Subscription used on opensource projects

Example 26 with Subscription

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

the class CreateSubscriptionAndConsumeMessages method main.

public static void main(String... args) throws Exception {
    TopicName topic = TopicName.create("my-project-id", "my-topic-id");
    SubscriptionName subscription = SubscriptionName.create("my-project-id", "my-topic-id");
    try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
        subscriptionAdminClient.createSubscription(subscription, topic, PushConfig.getDefaultInstance(), 0);
    }
    MessageReceiver receiver = new MessageReceiver() {

        @Override
        public void receiveMessage(PubsubMessage message, AckReplyConsumer consumer) {
            System.out.println("Received message: " + message.getData().toStringUtf8());
            consumer.ack();
        }
    };
    Subscriber subscriber = null;
    try {
        subscriber = Subscriber.defaultBuilder(subscription, receiver).build();
        subscriber.addListener(new Subscriber.Listener() {

            @Override
            public void failed(Subscriber.State from, Throwable failure) {
                // Handle failure. This is called when the Subscriber encountered a fatal error and is shutting down.
                System.err.println(failure);
            }
        }, MoreExecutors.directExecutor());
        subscriber.startAsync().awaitRunning();
        Thread.sleep(60000);
    } finally {
        if (subscriber != null) {
            subscriber.stopAsync();
        }
    }
}

Example 27 with Subscription

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

the class SubscriptionAdminClientSnippets method getSubscriptionPolicy.

/** Example of getting a subscription policy. */
public Policy getSubscriptionPolicy(String subscriptionId) throws Exception {
    // [START pubsub_get_subscription_policy]
    try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
        SubscriptionName subscriptionName = SubscriptionName.create(projectId, subscriptionId);
        Policy policy = subscriptionAdminClient.getIamPolicy(subscriptionName.toString());
        if (policy == null) {
        // subscription was not found
        }
        return policy;
    }
// [END pubsub_get_subscription_policy]
}

Example 28 with Subscription

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

the class SubscriptionAdminClientSnippets method listSubscriptions.

/** Example of listing subscriptions. */
public ListSubscriptionsPagedResponse listSubscriptions() throws Exception {
    // [START pubsub_list_subscriptions]
    try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
        ListSubscriptionsRequest listSubscriptionsRequest = ListSubscriptionsRequest.newBuilder().setProjectWithProjectName(ProjectName.create(projectId)).build();
        ListSubscriptionsPagedResponse response = subscriptionAdminClient.listSubscriptions(listSubscriptionsRequest);
        Iterable<Subscription> subscriptions = response.iterateAll();
        for (Subscription subscription : subscriptions) {
        // do something with the subscription
        }
        return response;
    }
// [END pubsub_list_subscriptions]
}

Example 29 with Subscription

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

the class SubscriptionAdminClientSnippets method testSubscriptionPermissions.

/** Example of testing whether the caller has the provided permissions on a subscription. */
public TestIamPermissionsResponse testSubscriptionPermissions(String subscriptionId) throws Exception {
    // [START pubsub_test_subscription_permissions]
    try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
        List<String> permissions = new LinkedList<>();
        permissions.add("pubsub.subscriptions.get");
        SubscriptionName subscriptionName = SubscriptionName.create(projectId, subscriptionId);
        TestIamPermissionsResponse testedPermissions = topicAdminClient.testIamPermissions(subscriptionName.toString(), permissions);
        return testedPermissions;
    }
// [END pubsub_test_subscription_permissions]
}

Example 30 with Subscription

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

the class SubscriptionAdminClientSnippets method replacePushConfig.

/** Example of replacing the push configuration of a subscription, setting the push endpoint. */
public void replacePushConfig(String subscriptionId, String endpoint) throws Exception {
    // [START pubsub_update_push_configuration]
    try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
        SubscriptionName subscriptionName = SubscriptionName.create(projectId, subscriptionId);
        PushConfig pushConfig = PushConfig.newBuilder().setPushEndpoint(endpoint).build();
        subscriptionAdminClient.modifyPushConfig(subscriptionName, pushConfig);
    }
// [END pubsub_update_push_configuration]
}