Examples of org.apache.hedwig.client.api.Subscriber.subscribe()

Class org.apache.hedwig.client.api.Subscriber

Examples of org.apache.hedwig.client.api.Subscriber.subscribe()

org.apache.hedwig.client.api.Subscriber.subscribe()
Subscribe to the given topic for the inputted subscriberId. @param topic Topic name of the subscription @param subscriberId ID of the subscriber @param mode Whether to prohibit, tolerate, or require an existing subscription. @throws CouldNotConnectException If we are not able to connect to the server host @throws ClientAlreadySubscribedException If client is already subscribed to the topic @throws ServiceDownException If unable to subscribe to topic @throws InvalidSubscriberIdException If the subscriberId is not valid. We may want to set aside certain formats of subscriberId's for different purposes. e.g. local vs. hub subscriber

            final ByteString topic = ByteString.copyFromUtf8("TestSimpleClientTopicBusy");
            final ByteString subid = ByteString.copyFromUtf8("mysub");


            subscriber1.subscribe(topic, subid, CreateOrAttach.CREATE_OR_ATTACH);
            subscriber1.closeSubscription(topic, subid);
            subscriber2.subscribe(topic, subid, CreateOrAttach.ATTACH);
            subscriber2.closeSubscription(topic, subid);


            client1.close();
            client2.close();
        }

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        final CountDownLatch closeLatch = new CountDownLatch(1);
        final CountDownLatch subLatch = new CountDownLatch(1);
        final CountDownLatch deliverLatch = new CountDownLatch(1);


        try {
            subscriber.subscribe(topic, subid, CreateOrAttach.CREATE_OR_ATTACH);
            sleepDeliveryManager(wakeupLatch);
            subscriber.asyncCloseSubscription(topic, subid, new Callback<Void>() {
                @Override
                public void operationFinished(Object ctx, Void resultOfOperation) {
                    closeLatch.countDown();

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            final ByteString topic = ByteString.copyFromUtf8("TestSimpleClientTopicBusy");
            final ByteString subid = ByteString.copyFromUtf8("mysub");


            subscriber1.subscribe(topic, subid, CreateOrAttach.CREATE_OR_ATTACH);
            subscriber1.closeSubscription(topic, subid);
            subscriber2.subscribe(topic, subid, CreateOrAttach.ATTACH);
            subscriber2.closeSubscription(topic, subid);


            client1.close();
            client2.close();
        }

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        Publisher pub = client.getPublisher();
        Subscriber sub = client.getSubscriber();


        ByteString topic = ByteString.copyFromUtf8("basicBoundingTopic");
        ByteString subid = ByteString.copyFromUtf8("basicBoundingSubId");
        sub.subscribe(topic, subid, CreateOrAttach.CREATE);
        sub.closeSubscription(topic, subid);


        sendXExpectLastY(pub, sub, topic, subid, 1000, 5);


        client.close();

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        ByteString subid5 = ByteString.copyFromUtf8("bound5SubId");
        ByteString subid20 = ByteString.copyFromUtf8("bound20SubId");
        ByteString subidUnbounded = ByteString.copyFromUtf8("noboundSubId");


        sub.subscribe(topic, subid5, options5);
        sub.closeSubscription(topic, subid5);
        sendXExpectLastY(pub, sub, topic, subid5, 1000, 5);


        sub.subscribe(topic, subid20, options20);
        sub.closeSubscription(topic, subid20);

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        sub.subscribe(topic, subid5, options5);
        sub.closeSubscription(topic, subid5);
        sendXExpectLastY(pub, sub, topic, subid5, 1000, 5);


        sub.subscribe(topic, subid20, options20);
        sub.closeSubscription(topic, subid20);
        sendXExpectLastY(pub, sub, topic, subid20, 1000, 20);


        sub.subscribe(topic, subidUnbounded, optionsUnbounded);
        sub.closeSubscription(topic, subidUnbounded);

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    public void testSyncHubSubscribeWithInvalidSubscriberId() throws Exception {
        Client hubClient = new HedwigHubClient(new HubClientConfiguration());
        Subscriber hubSubscriber = hubClient.getSubscriber();
        boolean subscribeSuccess = false;
        try {
            hubSubscriber.subscribe(getTopic(0), localSubscriberId, CreateOrAttach.CREATE_OR_ATTACH);
        } catch (InvalidSubscriberIdException e) {
            subscribeSuccess = true;
        } catch (Exception ex) {
            subscribeSuccess = false;
        }

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    public void testSyncHubSubscribeWithInvalidSubscriberId() throws Exception {
        Client hubClient = new HedwigHubClient(new HubClientConfiguration());
        Subscriber hubSubscriber = hubClient.getSubscriber();
        boolean subscribeSuccess = false;
        try {
            hubSubscriber.subscribe(getTopic(0), localSubscriberId, CreateOrAttach.CREATE_OR_ATTACH);
        } catch (InvalidSubscriberIdException e) {
            subscribeSuccess = true;
        } catch (Exception ex) {
            subscribeSuccess = false;
        }

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        sub.subscribe(topic, subid20, options20);
        sub.closeSubscription(topic, subid20);
        sendXExpectLastY(pub, sub, topic, subid20, 1000, 20);


        sub.subscribe(topic, subidUnbounded, optionsUnbounded);
        sub.closeSubscription(topic, subidUnbounded);


        sendXExpectLastY(pub, sub, topic, subidUnbounded, 10000, 10000);
        sub.unsubscribe(topic, subidUnbounded);

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        SubscriptionOptions options10 = SubscriptionOptions.newBuilder()
            .setCreateOrAttach(CreateOrAttach.CREATE_OR_ATTACH).setMessageBound(10).build();


        ByteString subid = ByteString.copyFromUtf8("updateSubId");


        sub.subscribe(topic, subid, options5);
        sub.closeSubscription(topic, subid);
        sendXExpectLastY(pub, sub, topic, subid, 50, 5);


        // update bound to 20
        sub.subscribe(topic, subid, options20);

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