Examples with DefaultMQPullConsumer org.apache.rocketmq.client.consumer.DefaultMQPullConsumer used on opensource projects

Example 1 with DefaultMQPullConsumer

use of org.apache.rocketmq.client.consumer.DefaultMQPullConsumer in project rocketmq-externals by apache.

the class MessageServiceImpl method queryMessageByTopic.

@Override
public List<MessageView> queryMessageByTopic(String topic, final long begin, final long end) {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP, null);
    List<MessageView> messageViewList = Lists.newArrayList();
    try {
        String subExpression = "*";
        consumer.start();
        Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues(topic);
        for (MessageQueue mq : mqs) {
            long minOffset = consumer.searchOffset(mq, begin);
            long maxOffset = consumer.searchOffset(mq, end);
            READQ: for (long offset = minOffset; offset <= maxOffset; ) {
                try {
                    if (messageViewList.size() > 2000) {
                        break;
                    }
                    PullResult pullResult = consumer.pull(mq, subExpression, offset, 32);
                    offset = pullResult.getNextBeginOffset();
                    switch(pullResult.getPullStatus()) {
                        case FOUND:
                            List<MessageView> messageViewListByQuery = Lists.transform(pullResult.getMsgFoundList(), new Function<MessageExt, MessageView>() {

                                @Override
                                public MessageView apply(MessageExt messageExt) {
                                    messageExt.setBody(null);
                                    return MessageView.fromMessageExt(messageExt);
                                }
                            });
                            List<MessageView> filteredList = Lists.newArrayList(Iterables.filter(messageViewListByQuery, new Predicate<MessageView>() {

                                @Override
                                public boolean apply(MessageView messageView) {
                                    if (messageView.getStoreTimestamp() < begin || messageView.getStoreTimestamp() > end) {
                                        logger.info("begin={} end={} time not in range {} {}", begin, end, messageView.getStoreTimestamp(), new Date(messageView.getStoreTimestamp()).toString());
                                    }
                                    return messageView.getStoreTimestamp() >= begin && messageView.getStoreTimestamp() <= end;
                                }
                            }));
                            messageViewList.addAll(filteredList);
                            break;
                        case NO_MATCHED_MSG:
                        case NO_NEW_MSG:
                        case OFFSET_ILLEGAL:
                            break READQ;
                    }
                } catch (Exception e) {
                    break;
                }
            }
        }
        Collections.sort(messageViewList, new Comparator<MessageView>() {

            @Override
            public int compare(MessageView o1, MessageView o2) {
                if (o1.getStoreTimestamp() - o2.getStoreTimestamp() == 0) {
                    return 0;
                }
                return (o1.getStoreTimestamp() > o2.getStoreTimestamp()) ? -1 : 1;
            }
        });
        return messageViewList;
    } catch (Exception e) {
        throw Throwables.propagate(e);
    } finally {
        consumer.shutdown();
    }
}

Example 2 with DefaultMQPullConsumer

use of org.apache.rocketmq.client.consumer.DefaultMQPullConsumer in project rocketmq-externals by apache.

the class RocketMQSinkTest method testBatchEvent.

@Test
public void testBatchEvent() throws MQClientException, InterruptedException, EventDeliveryException, RemotingException, MQBrokerException, UnsupportedEncodingException {
    /*
        start sink
         */
    Context context = new Context();
    context.put(NAME_SERVER_CONFIG, nameServer);
    context.put(TAG_CONFIG, tag);
    context.put(BATCH_SIZE_CONFIG, String.valueOf(batchSize));
    RocketMQSink sink = new RocketMQSink();
    Configurables.configure(sink, context);
    MemoryChannel channel = new MemoryChannel();
    Configurables.configure(channel, context);
    sink.setChannel(channel);
    sink.start();
    /*
        mock flume source
         */
    Map<String, String> msgs = new HashMap<>();
    Transaction tx = channel.getTransaction();
    tx.begin();
    int sendNum = 0;
    for (int i = 0; i < batchSize; i++) {
        String sendMsg = "\"Hello RocketMQ\"" + "," + DateFormatUtils.format(new Date(), "yyyy-MM-DD hh:mm:ss:SSSS");
        Event event = EventBuilder.withBody(sendMsg.getBytes(), null);
        channel.put(event);
        log.info("publish message : {}", sendMsg);
        String[] sendMsgKv = sendMsg.split(",");
        msgs.put(sendMsgKv[1], sendMsgKv[0]);
        sendNum++;
        Thread.sleep(10);
    }
    log.info("send message num={}", sendNum);
    tx.commit();
    tx.close();
    Sink.Status status = sink.process();
    if (status == Sink.Status.BACKOFF) {
        fail("Error");
    }
    sink.stop();
    /*
        consumer message
         */
    consumer = new DefaultMQPullConsumer(consumerGroup);
    consumer.setNamesrvAddr(nameServer);
    consumer.setMessageModel(MessageModel.valueOf("BROADCASTING"));
    consumer.registerMessageQueueListener(TOPIC_DEFAULT, null);
    consumer.start();
    int receiveNum = 0;
    String receiveMsg = null;
    Set<MessageQueue> queues = consumer.fetchSubscribeMessageQueues(TOPIC_DEFAULT);
    for (MessageQueue queue : queues) {
        long offset = getMessageQueueOffset(queue);
        PullResult pullResult = consumer.pull(queue, tag, offset, batchSize);
        if (pullResult.getPullStatus() == PullStatus.FOUND) {
            for (MessageExt message : pullResult.getMsgFoundList()) {
                byte[] body = message.getBody();
                receiveMsg = new String(body, "UTF-8");
                String[] receiveMsgKv = receiveMsg.split(",");
                msgs.remove(receiveMsgKv[1]);
                log.info("receive message : {}", receiveMsg);
                receiveNum++;
            }
            long nextBeginOffset = pullResult.getNextBeginOffset();
            putMessageQueueOffset(queue, nextBeginOffset);
        }
    }
    log.info("receive message num={}", receiveNum);
    /*
        wait for processQueueTable init
         */
    Thread.sleep(1000);
    consumer.shutdown();
    assertEquals(msgs.size(), 0);
}

Example 3 with DefaultMQPullConsumer

use of org.apache.rocketmq.client.consumer.DefaultMQPullConsumer in project rocketmq-externals by apache.

the class RocketMQSource method doStart.

@Override
protected void doStart() throws FlumeException {
    consumer = new DefaultMQPullConsumer(consumerGroup);
    consumer.setNamesrvAddr(nameServer);
    consumer.setMessageModel(MessageModel.valueOf(messageModel));
    consumer.registerMessageQueueListener(topic, null);
    try {
        consumer.start();
    } catch (MQClientException e) {
        log.error("RocketMQ consumer start failed", e);
        throw new FlumeException("Failed to start RocketMQ consumer", e);
    }
    sourceCounter.start();
}

Example 4 with DefaultMQPullConsumer

use of org.apache.rocketmq.client.consumer.DefaultMQPullConsumer in project rocketmq-externals by apache.

the class RocketMQSinkTest method testEvent.

@Test
public void testEvent() throws MQClientException, InterruptedException, EventDeliveryException, RemotingException, MQBrokerException, UnsupportedEncodingException {
    /*
        start sink
         */
    Context context = new Context();
    context.put(NAME_SERVER_CONFIG, nameServer);
    context.put(TAG_CONFIG, tag);
    RocketMQSink sink = new RocketMQSink();
    Configurables.configure(sink, context);
    MemoryChannel channel = new MemoryChannel();
    Configurables.configure(channel, context);
    sink.setChannel(channel);
    sink.start();
    /*
        mock flume source
         */
    String sendMsg = "\"Hello RocketMQ\"" + "," + DateFormatUtils.format(new Date(), "yyyy-MM-DD hh:mm:ss");
    Transaction tx = channel.getTransaction();
    tx.begin();
    Event event = EventBuilder.withBody(sendMsg.getBytes(), null);
    channel.put(event);
    tx.commit();
    tx.close();
    log.info("publish message : {}", sendMsg);
    Sink.Status status = sink.process();
    if (status == Sink.Status.BACKOFF) {
        fail("Error");
    }
    sink.stop();
    /*
        consumer message
         */
    consumer = new DefaultMQPullConsumer(consumerGroup);
    consumer.setNamesrvAddr(nameServer);
    consumer.setMessageModel(MessageModel.valueOf("BROADCASTING"));
    consumer.registerMessageQueueListener(TOPIC_DEFAULT, null);
    consumer.start();
    String receiveMsg = null;
    Set<MessageQueue> queues = consumer.fetchSubscribeMessageQueues(TOPIC_DEFAULT);
    for (MessageQueue queue : queues) {
        long offset = getMessageQueueOffset(queue);
        PullResult pullResult = consumer.pull(queue, tag, offset, 32);
        if (pullResult.getPullStatus() == PullStatus.FOUND) {
            for (MessageExt message : pullResult.getMsgFoundList()) {
                byte[] body = message.getBody();
                receiveMsg = new String(body, "UTF-8");
                log.info("receive message : {}", receiveMsg);
            }
            long nextBeginOffset = pullResult.getNextBeginOffset();
            putMessageQueueOffset(queue, nextBeginOffset);
        }
    }
    /*
        wait for processQueueTable init
         */
    Thread.sleep(1000);
    consumer.shutdown();
    assertEquals(sendMsg, receiveMsg);
}

Example 5 with DefaultMQPullConsumer

use of org.apache.rocketmq.client.consumer.DefaultMQPullConsumer in project rocketmq-externals by apache.

the class BinlogPositionManager method initPositionFromMqTail.

private void initPositionFromMqTail() throws Exception {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("BINLOG_CONSUMER_GROUP");
    consumer.setNamesrvAddr(config.mqNamesrvAddr);
    consumer.setMessageModel(MessageModel.valueOf("BROADCASTING"));
    consumer.start();
    Set<MessageQueue> queues = consumer.fetchSubscribeMessageQueues(config.mqTopic);
    MessageQueue queue = queues.iterator().next();
    if (queue != null) {
        Long offset = consumer.maxOffset(queue);
        if (offset > 0)
            offset--;
        PullResult pullResult = consumer.pull(queue, "*", offset, 100);
        if (pullResult.getPullStatus() == PullStatus.FOUND) {
            MessageExt msg = pullResult.getMsgFoundList().get(0);
            String json = new String(msg.getBody(), "UTF-8");
            JSONObject js = JSON.parseObject(json);
            binlogFilename = (String) js.get("binlogFilename");
            nextPosition = js.getLong("nextPosition");
        }
    }
}