Examples with Message com.yahoo.pulsar.client.api.Message used on opensource projects

Example 16 with Message

use of com.yahoo.pulsar.client.api.Message in project pulsar by yahoo.

the class BatchMessageTest method testSimpleBatchProducerConsumer1kMessages.

@Test
public void testSimpleBatchProducerConsumer1kMessages() throws Exception {
    int numMsgs = 2000;
    int numMsgsInBatch = 4;
    final String topicName = "persistent://prop/use/ns-abc/testSimpleBatchProducerConsumer1kMessages";
    final String subscriptionName = "pc1k-sub-1";
    Consumer consumer = pulsarClient.subscribe(topicName, subscriptionName);
    consumer.close();
    ProducerConfiguration producerConf = new ProducerConfiguration();
    producerConf.setBatchingMaxPublishDelay(30000, TimeUnit.MILLISECONDS);
    producerConf.setBatchingMaxMessages(numMsgsInBatch);
    producerConf.setBatchingEnabled(true);
    Producer producer = pulsarClient.createProducer(topicName, producerConf);
    List<CompletableFuture<MessageId>> sendFutureList = Lists.newArrayList();
    for (int i = 0; i < numMsgs; i++) {
        byte[] message = ("msg-" + i).getBytes();
        Message msg = MessageBuilder.create().setContent(message).build();
        sendFutureList.add(producer.sendAsync(msg));
    }
    FutureUtil.waitForAll(sendFutureList).get();
    int sendError = 0;
    for (CompletableFuture<MessageId> sendFuture : sendFutureList) {
        if (sendFuture.isCompletedExceptionally()) {
            ++sendError;
        }
    }
    if (sendError != 0) {
        LOG.warn("[{}] Error sending {} messages", subscriptionName, sendError);
        numMsgs = numMsgs - sendError;
    }
    LOG.info("[{}] sent {} messages", subscriptionName, numMsgs);
    PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
    // allow stats to be updated..
    Thread.sleep(5000);
    LOG.info("[{}] checking backlog stats..");
    rolloverPerIntervalStats();
    assertEquals(topic.getPersistentSubscription(subscriptionName).getNumberOfEntriesInBacklog(), numMsgs / numMsgsInBatch);
    consumer = pulsarClient.subscribe(topicName, subscriptionName);
    Message lastunackedMsg = null;
    for (int i = 0; i < numMsgs; i++) {
        Message msg = consumer.receive(1, TimeUnit.SECONDS);
        assertNotNull(msg);
        lastunackedMsg = msg;
    }
    if (lastunackedMsg != null) {
        consumer.acknowledgeCumulative(lastunackedMsg);
    }
    Thread.sleep(100);
    assertEquals(topic.getPersistentSubscription(subscriptionName).getNumberOfEntriesInBacklog(), 0);
    consumer.close();
    producer.close();
}

Example 17 with Message

use of com.yahoo.pulsar.client.api.Message in project pulsar by yahoo.

the class BatchMessageTest method testBatchAndNonBatchCumulativeAcks.

@Test
public void testBatchAndNonBatchCumulativeAcks() throws Exception {
    int numMsgs = 50;
    int numMsgsInBatch = numMsgs / 10;
    final String topicName = "persistent://prop/use/ns-abc/testBatchAndNonBatchCumulativeAcks";
    final String subscriptionName = "bnb-sub-1";
    Consumer consumer = pulsarClient.subscribe(topicName, subscriptionName);
    consumer.close();
    ProducerConfiguration producerConf = new ProducerConfiguration();
    producerConf.setBatchingMaxPublishDelay(5000, TimeUnit.MILLISECONDS);
    producerConf.setBatchingMaxMessages(numMsgsInBatch);
    producerConf.setBatchingEnabled(true);
    Producer producer = pulsarClient.createProducer(topicName, producerConf);
    // create producer to publish non batch messages
    Producer noBatchProducer = pulsarClient.createProducer(topicName);
    List<CompletableFuture<MessageId>> sendFutureList = Lists.newArrayList();
    for (int i = 0; i < numMsgs / 2; i++) {
        byte[] message = ("msg-" + i).getBytes();
        Message msg = MessageBuilder.create().setContent(message).build();
        sendFutureList.add(producer.sendAsync(msg));
        byte[] nobatchmsg = ("nobatch-" + i).getBytes();
        msg = MessageBuilder.create().setContent(nobatchmsg).build();
        sendFutureList.add(noBatchProducer.sendAsync(msg));
    }
    FutureUtil.waitForAll(sendFutureList).get();
    PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
    rolloverPerIntervalStats();
    assertTrue(topic.getProducers().values().iterator().next().getStats().msgRateIn > 0.0);
    assertEquals(topic.getPersistentSubscription(subscriptionName).getNumberOfEntriesInBacklog(), (numMsgs / 2) / numMsgsInBatch + numMsgs / 2);
    consumer = pulsarClient.subscribe(topicName, subscriptionName);
    Message lastunackedMsg = null;
    for (int i = 0; i < numMsgs; i++) {
        Message msg = consumer.receive(5, TimeUnit.SECONDS);
        assertNotNull(msg);
        LOG.info("[{}] got message position{} data {}", subscriptionName, msg.getMessageId(), String.valueOf(msg.getData()));
        if (i % 2 == 0) {
            lastunackedMsg = msg;
        } else {
            consumer.acknowledgeCumulative(msg);
            LOG.info("[{}] did cumulative ack on position{} ", subscriptionName, msg.getMessageId());
        }
    }
    if (lastunackedMsg != null) {
        consumer.acknowledgeCumulative(lastunackedMsg);
    }
    Thread.sleep(100);
    assertEquals(topic.getPersistentSubscription(subscriptionName).getNumberOfEntriesInBacklog(), 0);
    assertTrue(((ConsumerImpl) consumer).isBatchingAckTrackerEmpty());
    consumer.close();
    producer.close();
    noBatchProducer.close();
}

Example 18 with Message

use of com.yahoo.pulsar.client.api.Message in project pulsar by yahoo.

the class BatchMessageTest method testSimpleBatchProducerWithFixedBatchSize.

@Test(dataProvider = "codec")
public void testSimpleBatchProducerWithFixedBatchSize(CompressionType compressionType) throws Exception {
    int numMsgs = 50;
    int numMsgsInBatch = numMsgs / 2;
    final String topicName = "persistent://prop/use/ns-abc/testSimpleBatchProducerWithFixedBatchSize";
    final String subscriptionName = "sub-1" + compressionType.toString();
    Consumer consumer = pulsarClient.subscribe(topicName, subscriptionName);
    consumer.close();
    ProducerConfiguration producerConf = new ProducerConfiguration();
    producerConf.setCompressionType(compressionType);
    producerConf.setBatchingMaxPublishDelay(5000, TimeUnit.MILLISECONDS);
    producerConf.setBatchingMaxMessages(numMsgsInBatch);
    producerConf.setBatchingEnabled(true);
    Producer producer = pulsarClient.createProducer(topicName, producerConf);
    List<CompletableFuture<MessageId>> sendFutureList = Lists.newArrayList();
    for (int i = 0; i < numMsgs; i++) {
        byte[] message = ("my-message-" + i).getBytes();
        Message msg = MessageBuilder.create().setContent(message).build();
        sendFutureList.add(producer.sendAsync(msg));
    }
    FutureUtil.waitForAll(sendFutureList).get();
    PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
    rolloverPerIntervalStats();
    assertTrue(topic.getProducers().values().iterator().next().getStats().msgRateIn > 0.0);
    // we expect 2 messages in the backlog since we sent 50 messages with the batch size set to 25. We have set the
    // batch time high enough for it to not affect the number of messages in the batch
    assertEquals(topic.getPersistentSubscription(subscriptionName).getNumberOfEntriesInBacklog(), 2);
    consumer = pulsarClient.subscribe(topicName, subscriptionName);
    for (int i = 0; i < numMsgs; i++) {
        Message msg = consumer.receive(5, TimeUnit.SECONDS);
        assertNotNull(msg);
        String receivedMessage = new String(msg.getData());
        String expectedMessage = "my-message-" + i;
        Assert.assertEquals(receivedMessage, expectedMessage, "Received message " + receivedMessage + " did not match the expected message " + expectedMessage);
    }
    consumer.close();
    producer.close();
}

Example 19 with Message

use of com.yahoo.pulsar.client.api.Message in project pulsar by yahoo.

the class PersistentTopicE2ETest method testCompression.

@Test(dataProvider = "codec")
public void testCompression(CompressionType compressionType) throws Exception {
    final String topicName = "persistent://prop/use/ns-abc/topic0" + compressionType;
    // 1. producer connect
    ProducerConfiguration producerConf = new ProducerConfiguration();
    producerConf.setCompressionType(compressionType);
    Producer producer = pulsarClient.createProducer(topicName, producerConf);
    Consumer consumer = pulsarClient.subscribe(topicName, "my-sub");
    PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
    assertNotNull(topicRef);
    assertEquals(topicRef.getProducers().size(), 1);
    // 2. producer publish messages
    for (int i = 0; i < 10; i++) {
        String message = "my-message-" + i;
        producer.send(message.getBytes());
    }
    for (int i = 0; i < 10; i++) {
        Message msg = consumer.receive(5, TimeUnit.SECONDS);
        assertNotNull(msg);
        assertEquals(msg.getData(), ("my-message-" + i).getBytes());
    }
    // 3. producer disconnect
    producer.close();
    consumer.close();
}

Example 20 with Message

use of com.yahoo.pulsar.client.api.Message in project pulsar by yahoo.

the class PersistentTopicE2ETest method testActiveSubscriptionWithCache.

/**
     * Validation: 1. validates active-cursor after active subscription 2. validate active-cursor with subscription 3.
     * unconsumed messages should be present into cache 4. cache and active-cursor should be empty once subscription is
     * closed
     *
     * @throws Exception
     */
@Test
public void testActiveSubscriptionWithCache() throws Exception {
    final String topicName = "persistent://prop/use/ns-abc/topic2";
    final String subName = "sub2";
    Message msg;
    int recvQueueSize = 4;
    ConsumerConfiguration conf = new ConsumerConfiguration();
    conf.setSubscriptionType(SubscriptionType.Exclusive);
    conf.setReceiverQueueSize(recvQueueSize);
    // (1) Create subscription
    Consumer consumer = pulsarClient.subscribe(topicName, subName, conf);
    Producer producer = pulsarClient.createProducer(topicName);
    // (2) Produce Messages
    for (int i = 0; i < recvQueueSize / 2; i++) {
        String message = "my-message-" + i;
        producer.send(message.getBytes());
        msg = consumer.receive();
        consumer.acknowledge(msg);
    }
    PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
    // (3) Get Entry cache
    ManagedLedgerImpl ledger = (ManagedLedgerImpl) topicRef.getManagedLedger();
    Field cacheField = ManagedLedgerImpl.class.getDeclaredField("entryCache");
    cacheField.setAccessible(true);
    EntryCacheImpl entryCache = (EntryCacheImpl) cacheField.get(ledger);
    /************* Validation on non-empty active-cursor **************/
    // (4) Get ActiveCursor : which is list of active subscription
    Iterable<ManagedCursor> activeCursors = ledger.getActiveCursors();
    ManagedCursor curosr = activeCursors.iterator().next();
    // (4.1) Validate: active Cursor must be non-empty
    assertNotNull(curosr);
    // (4.2) Validate: validate cursor name
    assertEquals(subName, curosr.getName());
    // (4.3) Validate: entryCache should have cached messages
    assertTrue(entryCache.getSize() != 0);
    /************* Validation on empty active-cursor **************/
    // (5) Close consumer: which (1)removes activeConsumer and (2)clears the entry-cache
    consumer.close();
    Thread.sleep(1000);
    // (5.1) Validate: active-consumer must be empty
    assertFalse(ledger.getActiveCursors().iterator().hasNext());
    // (5.2) Validate: Entry-cache must be cleared
    assertTrue(entryCache.getSize() == 0);
}