Package kafka.message

Examples of kafka.message.MessageAndOffset

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    public static boolean verifyMessage(String key, String message, KafkaTestBroker broker, SimpleConsumer simpleConsumer) {
        long lastMessageOffset = KafkaUtils.getOffset(simpleConsumer, TestUtils.TOPIC, 0, OffsetRequest.LatestTime()) - 1;
        ByteBufferMessageSet messageAndOffsets = KafkaUtils.fetchMessages(TestUtils.getKafkaConfig(broker), simpleConsumer,
                new Partition(Broker.fromString(broker.getBrokerConnectionString()), 0), lastMessageOffset);
        MessageAndOffset messageAndOffset = messageAndOffsets.iterator().next();
        Message kafkaMessage = messageAndOffset.message();
        ByteBuffer messageKeyBuffer = kafkaMessage.key();
        String keyString = null;
        String messageString = new String(Utils.toByteArray(kafkaMessage.payload()));
        if (messageKeyBuffer != null) {
            keyString = new String(Utils.toByteArray(messageKeyBuffer));
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    private boolean verifyMessage(String key, String message) {
        long lastMessageOffset = KafkaUtils.getOffset(simpleConsumer, kafkaConfig.topic, 0, OffsetRequest.LatestTime()) - 1;
        ByteBufferMessageSet messageAndOffsets = KafkaUtils.fetchMessages(kafkaConfig, simpleConsumer,
                new Partition(Broker.fromString(broker.getBrokerConnectionString()), 0), lastMessageOffset);
        MessageAndOffset messageAndOffset = messageAndOffsets.iterator().next();
        Message kafkaMessage = messageAndOffset.message();
        ByteBuffer messageKeyBuffer = kafkaMessage.key();
        String keyString = null;
        String messageString = new String(Utils.toByteArray(kafkaMessage.payload()));
        if (messageKeyBuffer != null) {
            keyString = new String(Utils.toByteArray(messageKeyBuffer));
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    private boolean verifyMessage(String key, String message) {
        long lastMessageOffset = KafkaUtils.getOffset(simpleConsumer, kafkaConfig.topic, 0, OffsetRequest.LatestTime()) - 1;
        ByteBufferMessageSet messageAndOffsets = KafkaUtils.fetchMessages(kafkaConfig, simpleConsumer,
                new Partition(Broker.fromString(broker.getBrokerConnectionString()), 0), lastMessageOffset);
        MessageAndOffset messageAndOffset = messageAndOffsets.iterator().next();
        Message kafkaMessage = messageAndOffset.message();
        ByteBuffer messageKeyBuffer = kafkaMessage.key();
        String keyString = null;
        String messageString = new String(Utils.toByteArray(kafkaMessage.payload()));
        if (messageKeyBuffer != null) {
            keyString = new String(Utils.toByteArray(messageKeyBuffer));
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        if (response.hasError()) {
            consumer.close();
            throw new RuntimeException("Error fetching offset data. Reason: " +
                    response.errorCode(topicPartition.getTopic(), topicPartition.getPartition()));
        }
        MessageAndOffset messageAndOffset = response.messageSet(
                topicPartition.getTopic(), topicPartition.getPartition()).iterator().next();
        ByteBuffer payload = messageAndOffset.message().payload();
        byte[] payloadBytes = new byte[payload.limit()];
        payload.get(payloadBytes);
        return new Message(topicPartition.getTopic(), topicPartition.getPartition(),
                messageAndOffset.offset(), payloadBytes);
    }
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                }
                // Create a fetch request
                openFetchRequest();

                while (messageAndOffsetIterator.hasNext()) {
                    MessageAndOffset currentMessageAndOffset = messageAndOffsetIterator.next();
                    long messageOffset = currentMessageAndOffset.offset();

                    if (messageOffset >= split.getEnd()) {
                        return endOfData(); // Past our split end. Bail.
                    }
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        _reporter.incrCounter(topic, "event-count", _count);
    }
   
    protected boolean get(KafkaETLKey key, BytesWritable value) throws IOException {
        if (_messageIt != null && _messageIt.hasNext()) {
            MessageAndOffset msgAndOffset = _messageIt.next();
           
            ByteBuffer buf = msgAndOffset.message().payload();
            int origSize = buf.remaining();
            byte[] bytes = new byte[origSize];
            buf.get(bytes, buf.position(), origSize);
            value.set(bytes, 0, origSize);
           
            key.set(_index, _offset, msgAndOffset.message().checksum());
           
            _offset = msgAndOffset.offset();  //increase offset
            _count ++;  //increase count
           
            return true;
        }
        else return false;
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      final Iterator<MessageAndOffset> messages = messageSet.iterator();
      return new AbstractIterator<FetchedMessage>() {
        @Override
        protected FetchedMessage computeNext() {
          while (messages.hasNext()) {
            MessageAndOffset message = messages.next();
            long msgOffset = message.offset();
            if (msgOffset < offset.get()) {
              LOG.trace("Received old offset {}, expecting {} on {}. Message Ignored.",
                        msgOffset, offset.get(), topicPart);
              continue;
            }

            offset.set(message.nextOffset());
            fetchedMessage.setPayload(message.message().payload());
            fetchedMessage.setNextOffset(offset.get());

            return fetchedMessage;
          }
          return endOfData();
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                }
                // Create a fetch request
                openFetchRequest();

                while (messageAndOffsetIterator.hasNext()) {
                    MessageAndOffset currentMessageAndOffset = messageAndOffsetIterator.next();
                    long messageOffset = currentMessageAndOffset.offset();

                    if (messageOffset >= split.getEnd()) {
                        return endOfData(); // Past our split end. Bail.
                    }
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        _reporter.incrCounter(topic, "event-count", _count);
    }
   
    protected boolean get(KafkaETLKey key, BytesWritable value) throws IOException {
        if (_messageIt != null && _messageIt.hasNext()) {
            MessageAndOffset messageAndOffset = _messageIt.next();
           
            ByteBuffer buf = messageAndOffset.message().buffer();
            int origSize = buf.remaining();
            byte[] bytes = new byte[origSize];
          buf.get(bytes, buf.position(), origSize);
            value.set(bytes, 0, origSize);
           
            key.set(_index, _offset, messageAndOffset.message().checksum());
           
            _offset = messageAndOffset.nextOffset();  //increase offset
            _count ++;  //increase count
           
            return true;
        }
        else return false;
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   * @throws IOException
   */
  public boolean getNext(EtlKey key, BytesWritable payload ,BytesWritable pKey) throws IOException {
    if (hasNext()) {

      MessageAndOffset msgAndOffset = messageIter.next();
      Message message = msgAndOffset.message();

      ByteBuffer buf = message.payload();
      int origSize = buf.remaining();
      byte[] bytes = new byte[origSize];
      buf.get(bytes, buf.position(), origSize);
      payload.set(bytes, 0, origSize);

      buf = message.key();
      if(buf != null){
        origSize = buf.remaining();
        bytes = new byte[origSize];
        buf.get(bytes, buf.position(), origSize);
        pKey.set(bytes, 0, origSize);
      }

      key.clear();
      key.set(kafkaRequest.getTopic(), kafkaRequest.getLeaderId(),
          kafkaRequest.getPartition(), currentOffset,
          msgAndOffset.offset() + 1, message.checksum());
     
      key.setMessageSize(msgAndOffset.message().size());

      currentOffset = msgAndOffset.offset() + 1; // increase offset
      currentCount++; // increase count

      return true;
    } else {
      return false;
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