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

Example 81 with Message

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

the class ResendRequestTest method testExclusiveCumulativeAckedNormalTopic.

@Test(timeOut = testTimeout)
public void testExclusiveCumulativeAckedNormalTopic() throws Exception {
    String key = "testExclusiveCumulativeAckedNormalTopic";
    final String topicName = "persistent://prop/use/ns-abc/topic-" + key;
    final String subscriptionName = "my-ex-subscription-" + key;
    final String messagePredicate = "my-message-" + key + "-";
    final int totalMessages = 10;
    // 1. producer connect
    Producer producer = pulsarClient.createProducer(topicName);
    PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
    assertNotNull(topicRef);
    assertEquals(topicRef.getProducers().size(), 1);
    // 2. Create consumer
    ConsumerConfiguration conf = new ConsumerConfiguration();
    conf.setReceiverQueueSize(7);
    Consumer consumer = pulsarClient.subscribe(topicName, subscriptionName, conf);
    // 3. producer publish messages
    for (int i = 0; i < totalMessages; i++) {
        String message = messagePredicate + i;
        producer.send(message.getBytes());
    }
    // 4. Receive messages
    Message message = consumer.receive();
    log.info("Message received " + new String(message.getData()));
    for (int i = 0; i < 7; i++) {
        printIncomingMessageQueue(consumer);
        message = consumer.receive();
        log.info("Message received " + new String(message.getData()));
    }
    consumer.redeliverUnacknowledgedMessages();
    Thread.sleep(1000);
    consumer.acknowledgeCumulative(message);
    do {
        message = consumer.receive(1000, TimeUnit.MILLISECONDS);
    } while (message != null);
    log.info("Consumer Requests Messages");
    consumer.redeliverUnacknowledgedMessages();
    int numOfReceives = 0;
    message = consumer.receive();
    do {
        numOfReceives += 1;
        log.info("Message received " + new String(message.getData()));
        message = consumer.receive(1000, TimeUnit.MILLISECONDS);
    } while (message != null);
    assertEquals(numOfReceives, 2);
}

Example 82 with Message

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

the class UnAcknowledgedMessagesTimeoutTest method receiveAllMessage.

private static int receiveAllMessage(Consumer consumer, boolean ackMessages) throws Exception {
    int messagesReceived = 0;
    Message msg = consumer.receive(1, TimeUnit.SECONDS);
    while (msg != null) {
        ++messagesReceived;
        log.info("Consumer received {}", new String(msg.getData()));
        if (ackMessages) {
            consumer.acknowledge(msg);
        }
        msg = consumer.receive(1, TimeUnit.SECONDS);
    }
    return messagesReceived;
}

Example 83 with Message

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

the class UnAcknowledgedMessagesTimeoutTest method testFailoverSingleAckedPartitionedTopic.

@Test(timeOut = testTimeout)
public void testFailoverSingleAckedPartitionedTopic() throws Exception {
    String key = "testFailoverSingleAckedPartitionedTopic";
    final String topicName = "persistent://prop/use/ns-abc/topic-" + key;
    final String subscriptionName = "my-failover-subscription-" + key;
    final String messagePredicate = "my-message-" + key + "-";
    final int totalMessages = 10;
    final int numberOfPartitions = 3;
    admin.persistentTopics().createPartitionedTopic(topicName, numberOfPartitions);
    // Special step to create partitioned topic
    // 1. producer connect
    ProducerConfiguration prodConfig = new ProducerConfiguration();
    prodConfig.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition);
    Producer producer = pulsarClient.createProducer(topicName, prodConfig);
    // 2. Create consumer
    ConsumerConfiguration consumerConfig = new ConsumerConfiguration();
    consumerConfig.setReceiverQueueSize(7);
    consumerConfig.setSubscriptionType(SubscriptionType.Failover);
    consumerConfig.setAckTimeout(ackTimeOutMillis, TimeUnit.MILLISECONDS);
    consumerConfig.setConsumerName("Consumer-1");
    Consumer consumer1 = pulsarClient.subscribe(topicName, subscriptionName, consumerConfig);
    consumerConfig.setConsumerName("Consumer-2");
    Consumer consumer2 = pulsarClient.subscribe(topicName, subscriptionName, consumerConfig);
    // 3. producer publish messages
    for (int i = 0; i < totalMessages; i++) {
        String message = messagePredicate + i;
        log.info("Message produced: " + message);
        producer.send(message.getBytes());
    }
    // 4. Receive messages
    Message message1 = consumer1.receive();
    Message message2 = consumer2.receive();
    int messageCount1 = 0;
    int messageCount2 = 0;
    int ackCount1 = 0;
    int ackCount2 = 0;
    do {
        if (message1 != null) {
            log.info("Consumer1 received " + new String(message1.getData()));
            messageCount1 += 1;
        }
        if (message2 != null) {
            log.info("Consumer2 received " + new String(message2.getData()));
            messageCount2 += 1;
            consumer2.acknowledge(message2);
            ackCount2 += 1;
        }
        message1 = consumer1.receive(500, TimeUnit.MILLISECONDS);
        message2 = consumer2.receive(500, TimeUnit.MILLISECONDS);
    } while (message1 != null || message2 != null);
    log.info(key + " messageCount1 = " + messageCount1);
    log.info(key + " messageCount2 = " + messageCount2);
    log.info(key + " ackCount1 = " + ackCount1);
    log.info(key + " ackCount2 = " + ackCount2);
    assertEquals(messageCount1 + messageCount2, totalMessages);
    // 5. Check if Messages redelivered again
    // Since receive is a blocking call hoping that timeout will kick in
    log.info(key + " Timeout should be triggered now");
    message1 = consumer1.receive();
    messageCount1 = 0;
    do {
        if (message1 != null) {
            log.info("Consumer1 received " + new String(message1.getData()));
            messageCount1 += 1;
            consumer1.acknowledge(message1);
            ackCount1 += 1;
        }
        if (message2 != null) {
            log.info("Consumer2 received " + new String(message2.getData()));
            messageCount2 += 1;
        }
        message1 = consumer1.receive(500, TimeUnit.MILLISECONDS);
        message2 = consumer2.receive(500, TimeUnit.MILLISECONDS);
    } while (message1 != null || message2 != null);
    log.info(key + " messageCount1 = " + messageCount1);
    log.info(key + " messageCount2 = " + messageCount2);
    log.info(key + " ackCount1 = " + ackCount1);
    log.info(key + " ackCount2 = " + ackCount2);
    assertEquals(ackCount1 + messageCount2, totalMessages);
}

Example 84 with Message

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

the class UnAcknowledgedMessagesTimeoutTest method testExclusiveSingleAckedNormalTopic.

@Test(timeOut = testTimeout)
public void testExclusiveSingleAckedNormalTopic() throws Exception {
    String key = "testExclusiveSingleAckedNormalTopic";
    final String topicName = "persistent://prop/use/ns-abc/topic-" + key;
    final String subscriptionName = "my-ex-subscription-" + key;
    final String messagePredicate = "my-message-" + key + "-";
    final int totalMessages = 10;
    // 1. producer connect
    Producer producer = pulsarClient.createProducer(topicName);
    // 2. Create consumer
    ConsumerConfiguration conf = new ConsumerConfiguration();
    conf.setReceiverQueueSize(7);
    conf.setAckTimeout(ackTimeOutMillis, TimeUnit.MILLISECONDS);
    Consumer consumer = pulsarClient.subscribe(topicName, subscriptionName, conf);
    // 3. producer publish messages
    for (int i = 0; i < totalMessages / 2; i++) {
        String message = messagePredicate + i;
        log.info("Producer produced: " + message);
        producer.send(message.getBytes());
    }
    // 4. Receiver receives the message
    Message message = consumer.receive();
    while (message != null) {
        log.info("Consumer received : " + new String(message.getData()));
        message = consumer.receive(500, TimeUnit.MILLISECONDS);
    }
    long size = ((ConsumerImpl) consumer).getUnAckedMessageTracker().size();
    log.info(key + " Unacked Message Tracker size is " + size);
    assertEquals(size, totalMessages / 2);
    // Blocking call, redeliver should kick in
    message = consumer.receive();
    log.info("Consumer received : " + new String(message.getData()));
    HashSet<String> hSet = new HashSet<>();
    for (int i = totalMessages / 2; i < totalMessages; i++) {
        String messageString = messagePredicate + i;
        producer.send(messageString.getBytes());
    }
    do {
        hSet.add(new String(message.getData()));
        consumer.acknowledge(message);
        log.info("Consumer acknowledged : " + new String(message.getData()));
        message = consumer.receive(500, TimeUnit.MILLISECONDS);
    } while (message != null);
    size = ((ConsumerImpl) consumer).getUnAckedMessageTracker().size();
    log.info(key + " Unacked Message Tracker size is " + size);
    assertEquals(size, 0);
    assertEquals(hSet.size(), totalMessages);
}

Example 85 with Message

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

the class ConsumerImpl method removeExpiredMessagesFromQueue.

private int removeExpiredMessagesFromQueue(Set<MessageIdImpl> messageIds) {
    int messagesFromQueue = 0;
    Message peek = incomingMessages.peek();
    if (peek != null) {
        MessageIdImpl messageId = getMessageIdImpl(peek);
        if (!messageIds.contains(messageId)) {
            // first message is not expired, then no message is expired in queue.
            return 0;
        }
        // try not to remove elements that are added while we remove
        Message message = incomingMessages.poll();
        while (message != null) {
            messagesFromQueue++;
            MessageIdImpl id = getMessageIdImpl(message);
            if (!messageIds.contains(id)) {
                messageIds.add(id);
                break;
            }
            message = incomingMessages.poll();
        }
    }
    return messagesFromQueue;
}