Package com.alibaba.rocketmq.client.consumer

Examples of com.alibaba.rocketmq.client.consumer.DefaultMQPullConsumer

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    }


    @Override
    public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
        DefaultMQPullConsumer consumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP, rpcHook);

        try {
            String topic = commandLine.getOptionValue('t').trim();

            String charsetName = //
                    !commandLine.hasOption('c') ? "UTF-8" : commandLine.getOptionValue('c').trim();

            String subExpression = //
                    !commandLine.hasOption('s') ? "*" : commandLine.getOptionValue('s').trim();

            consumer.start();

            Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues(topic);
            for (MessageQueue mq : mqs) {
                long minOffset = consumer.minOffset(mq);
                long maxOffset = consumer.maxOffset(mq);

                if (commandLine.hasOption('b')) {
                    String timestampStr = commandLine.getOptionValue('b').trim();
                    long timeValue = timestampFormat(timestampStr);
                    minOffset = consumer.searchOffset(mq, timeValue);
                }

                if (commandLine.hasOption('e')) {
                    String timestampStr = commandLine.getOptionValue('e').trim();
                    long timeValue = timestampFormat(timestampStr);
                    maxOffset = consumer.searchOffset(mq, timeValue);
                }

                READQ: for (long offset = minOffset; offset < maxOffset;) {
                    try {
                        PullResult pullResult = consumer.pull(mq, subExpression, offset, 32);
                        offset = pullResult.getNextBeginOffset();
                        switch (pullResult.getPullStatus()) {
                        case FOUND:
                            printMessage(pullResult.getMsgFoundList(), charsetName);
                            break;
                        case NO_MATCHED_MSG:
                        case NO_NEW_MSG:
                        case OFFSET_ILLEGAL:
                            break READQ;
                        }
                    }
                    catch (Exception e) {
                        break;
                    }
                }
            }

        }
        catch (Exception e) {
            e.printStackTrace();
        }
        finally {
            consumer.shutdown();
        }
    }
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            final String consumerGroup, //
            final String topic, //
            final long timestamp) throws Exception {
        final Logger log = ClientLogger.getLog();

        DefaultMQPullConsumer consumer = new DefaultMQPullConsumer(consumerGroup);
        consumer.setMessageModel(messageModel);
        consumer.start();

        Set<MessageQueue> mqs = null;
        try {
            mqs = consumer.fetchSubscribeMessageQueues(topic);
            if (mqs != null && !mqs.isEmpty()) {
                TreeSet<MessageQueue> mqsNew = new TreeSet<MessageQueue>(mqs);
                for (MessageQueue mq : mqsNew) {
                    long offset = consumer.searchOffset(mq, timestamp);
                    if (offset >= 0) {
                        consumer.updateConsumeOffset(mq, offset);
                        log.info("resetOffsetByTimestamp updateConsumeOffset success, {} {} {}",
                            consumerGroup, offset, mq);
                    }
                }
            }
        }
        catch (Exception e) {
            log.warn("resetOffsetByTimestamp Exception", e);
            throw e;
        }
        finally {
            consumer.shutdown();
            if (mqs != null) {
                consumer.getDefaultMQPullConsumerImpl().getOffsetStore().persistAll(mqs);
            }
        }
    }
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    }


    @Override
    public void execute(CommandLine commandLine, Options options) {
        DefaultMQPullConsumer consumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP);

        try {
            String topic = commandLine.getOptionValue('t').trim();

            String charsetName = //
                    !commandLine.hasOption('c') ? "UTF-8" : commandLine.getOptionValue('c').trim();

            String subExpression = //
                    !commandLine.hasOption('s') ? "*" : commandLine.getOptionValue('s').trim();

            consumer.start();

            Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues(topic);
            for (MessageQueue mq : mqs) {
                long minOffset = consumer.minOffset(mq);
                long maxOffset = consumer.maxOffset(mq);

                if (commandLine.hasOption('b')) {
                    String timestampStr = commandLine.getOptionValue('b').trim();
                    long timeValue = timestampFormat(timestampStr);
                    minOffset = consumer.searchOffset(mq, timeValue);
                }

                if (commandLine.hasOption('e')) {
                    String timestampStr = commandLine.getOptionValue('e').trim();
                    long timeValue = timestampFormat(timestampStr);
                    maxOffset = consumer.searchOffset(mq, timeValue);
                }

                READQ: for (long offset = minOffset; offset < maxOffset;) {
                    try {
                        PullResult pullResult = consumer.pull(mq, subExpression, offset, 32);
                        offset = pullResult.getNextBeginOffset();
                        switch (pullResult.getPullStatus()) {
                        case FOUND:
                            printMessage(pullResult.getMsgFoundList(), charsetName);
                            break;
                        case NO_MATCHED_MSG:
                        case NO_NEW_MSG:
                        case OFFSET_ILLEGAL:
                            break READQ;
                        }
                    }
                    catch (Exception e) {
                        break;
                    }
                }
            }

        }
        catch (Exception e) {
            e.printStackTrace();
        }
        finally {
            consumer.shutdown();
        }
    }
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/**
* PullConsumer，订阅消息
*/
public class PullConsumerTest {
    public static void main(String[] args) throws MQClientException {
        DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");
        consumer.setNamesrvAddr("10.235.170.5:9877");
        consumer.start();

        try {
            MessageQueue mq = new MessageQueue();
            mq.setQueueId(0);
            mq.setTopic("TopicTest3");
            mq.setBrokerName("vivedeMacBook-Pro.local");

            long offset = 26;

            long beginTime = System.currentTimeMillis();
            PullResult pullResult = consumer.pullBlockIfNotFound(mq, null, offset, 32);
            System.out.println(System.currentTimeMillis() - beginTime);
            System.out.println(pullResult);
        }
        catch (Exception e) {
            e.printStackTrace();
        }

        consumer.shutdown();
    }
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    @Override
    public void execute(CommandLine commandLine, Options options) {
        DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt();
        DefaultMQPullConsumer defaultMQPullConsumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP);

        defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
        defaultMQPullConsumer.setInstanceName(Long.toString(System.currentTimeMillis()));

        try {
            String topic = commandLine.getOptionValue('t').trim();
            String brokerName = commandLine.getOptionValue('b').trim();
            String queueId = commandLine.getOptionValue('i').trim();
            String offset = commandLine.getOptionValue('o').trim();

            MessageQueue mq = new MessageQueue();
            mq.setTopic(topic);
            mq.setBrokerName(brokerName);
            mq.setQueueId(Integer.parseInt(queueId));

            defaultMQPullConsumer.start();

            PullResult pullResult = defaultMQPullConsumer.pull(mq, "*", Long.parseLong(offset), 1);
            if (pullResult != null) {
                switch (pullResult.getPullStatus()) {
                case FOUND:
                    QueryMsgByIdSubCommand.queryById(defaultMQAdminExt, pullResult.getMsgFoundList().get(0)
                        .getMsgId());
                    break;
                case NO_MATCHED_MSG:
                case NO_NEW_MSG:
                case OFFSET_ILLEGAL:
                default:
                    break;
                }
            }
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        finally {
            defaultMQPullConsumer.shutdown();
            defaultMQAdminExt.shutdown();
        }
    }
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Related Classes of com.alibaba.rocketmq.client.consumer.DefaultMQPullConsumer

  • com.alibaba.rocketmq.client.impl.consumer.DefaultMQPullConsumerImpl
  • com.alibaba.rocketmq.client.MQHelper
  • com.alibaba.rocketmq.example.simple.PullConsumer
  • com.alibaba.rocketmq.example.simple.PullConsumerTest
  • com.alibaba.rocketmq.example.simple.PullScheduleService
  • com.alibaba.rocketmq.filtersrv.processor.DefaultRequestProcessor
  • com.alibaba.rocketmq.research.client.ClientConfigTest
  • com.alibaba.rocketmq.tools.command.message.PrintMessageSubCommand
  • com.alibaba.rocketmq.tools.command.message.QueryMsgByOffsetSubCommand
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