org.apache.rocketmq.client.consumer.store.ReadOffsetType Java Exaples

Source File: DefaultLitePullConsumerTest.java From rocketmq with Apache License 2.0

5 votes

@Test
public void testComputePullByTimeStamp() throws Exception{
    DefaultLitePullConsumer defaultLitePullConsumer = createStartLitePullConsumer();
    defaultLitePullConsumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_TIMESTAMP);
    defaultLitePullConsumer.setConsumeTimestamp("20191024171201");
    MessageQueue messageQueue = createMessageQueue();
    when(offsetStore.readOffset(any(MessageQueue.class), any(ReadOffsetType.class))).thenReturn(-1L);
    when(mQClientFactory.getMQAdminImpl().searchOffset(any(MessageQueue.class),anyLong())).thenReturn(100L);
    long offset = rebalanceImpl.computePullFromWhere(messageQueue);
    assertThat(offset).isEqualTo(100);
}

Source File: DefaultLitePullConsumerTest.java From rocketmq with Apache License 2.0

5 votes

@Test
public void testComputePullFromLast() throws Exception{
    DefaultLitePullConsumer defaultLitePullConsumer = createStartLitePullConsumer();
    defaultLitePullConsumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
    MessageQueue messageQueue = createMessageQueue();
    when(offsetStore.readOffset(any(MessageQueue.class), any(ReadOffsetType.class))).thenReturn(-1L);
    when(mQClientFactory.getMQAdminImpl().maxOffset(any(MessageQueue.class))).thenReturn(100L);
    long offset = rebalanceImpl.computePullFromWhere(messageQueue);
    assertThat(offset).isEqualTo(100);
}

Source File: DefaultMQPushConsumerImpl.java From rocketmq-read with Apache License 2.0

5 votes

/**
 * 获取消费者的运行时信息
 * @return ;
 */
@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultLitePullConsumerTest.java From rocketmq with Apache License 2.0

5 votes

@Test
public void testComputePullFromWhereReturned() throws Exception{
    DefaultLitePullConsumer defaultLitePullConsumer = createStartLitePullConsumer();
    defaultLitePullConsumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
    MessageQueue messageQueue = createMessageQueue();
    when(offsetStore.readOffset(any(MessageQueue.class), any(ReadOffsetType.class))).thenReturn(100L);
    long offset = rebalanceImpl.computePullFromWhere(messageQueue);
    assertThat(offset).isEqualTo(100);
}

Source File: DefaultMQPushConsumerImpl.java From rocketmq with Apache License 2.0

5 votes

@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultLitePullConsumerTest.java From rocketmq with Apache License 2.0

5 votes

@Test
public void testComputePullFromWhereReturnedNotFound() throws Exception{
    DefaultLitePullConsumer defaultLitePullConsumer = createStartLitePullConsumer();
    defaultLitePullConsumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
    MessageQueue messageQueue = createMessageQueue();
    when(offsetStore.readOffset(any(MessageQueue.class), any(ReadOffsetType.class))).thenReturn(-1L);
    long offset = rebalanceImpl.computePullFromWhere(messageQueue);
    assertThat(offset).isEqualTo(0);
}

Source File: DefaultMQPushConsumerImpl.java From DDMQ with Apache License 2.0

5 votes

@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultLitePullConsumerImpl.java From rocketmq with Apache License 2.0

5 votes

public long committed(MessageQueue messageQueue) throws MQClientException {
    checkServiceState();
    long offset = this.offsetStore.readOffset(messageQueue, ReadOffsetType.MEMORY_FIRST_THEN_STORE);
    if (offset == -2)
        throw new MQClientException("Fetch consume offset from broker exception", null);
    return offset;
}

Source File: DefaultMQPushConsumerImpl.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

5 votes

@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultMQPushConsumerImpl.java From DDMQ with Apache License 2.0

5 votes

@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultMQPushConsumerImpl.java From rocketmq_trans_message with Apache License 2.0

5 votes

@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultMQPushConsumerImpl.java From rocketmq with Apache License 2.0

5 votes

@Override
public ConsumerRunningInfo consumerRunningInfo() {
    ConsumerRunningInfo info = new ConsumerRunningInfo();

    Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

    prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
    prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
    prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

    info.setProperties(prop);

    Set<SubscriptionData> subSet = this.subscriptions();
    info.getSubscriptionSet().addAll(subSet);

    Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, ProcessQueue> next = it.next();
        MessageQueue mq = next.getKey();
        ProcessQueue pq = next.getValue();

        ProcessQueueInfo pqinfo = new ProcessQueueInfo();
        pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
        pq.fillProcessQueueInfo(pqinfo);
        info.getMqTable().put(mq, pqinfo);
    }

    for (SubscriptionData sd : subSet) {
        ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
        info.getStatusTable().put(sd.getTopic(), consumeStatus);
    }

    return info;
}

Source File: DefaultMQPullConsumerImpl.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultLitePullConsumerTest.java From rocketmq with Apache License 2.0

4 votes

private void initDefaultLitePullConsumer(DefaultLitePullConsumer litePullConsumer) throws Exception {

        Field field = DefaultLitePullConsumer.class.getDeclaredField("defaultLitePullConsumerImpl");
        field.setAccessible(true);
        litePullConsumerImpl = (DefaultLitePullConsumerImpl) field.get(litePullConsumer);
        field = DefaultLitePullConsumerImpl.class.getDeclaredField("mQClientFactory");
        field.setAccessible(true);
        field.set(litePullConsumerImpl, mQClientFactory);

        PullAPIWrapper pullAPIWrapper = litePullConsumerImpl.getPullAPIWrapper();
        field = PullAPIWrapper.class.getDeclaredField("mQClientFactory");
        field.setAccessible(true);
        field.set(pullAPIWrapper, mQClientFactory);

        field = MQClientInstance.class.getDeclaredField("mQClientAPIImpl");
        field.setAccessible(true);
        field.set(mQClientFactory, mQClientAPIImpl);

        field = MQClientInstance.class.getDeclaredField("mQAdminImpl");
        field.setAccessible(true);
        field.set(mQClientFactory, mQAdminImpl);

        field = DefaultLitePullConsumerImpl.class.getDeclaredField("rebalanceImpl");
        field.setAccessible(true);
        rebalanceImpl = (RebalanceImpl) field.get(litePullConsumerImpl);
        field = RebalanceImpl.class.getDeclaredField("mQClientFactory");
        field.setAccessible(true);
        field.set(rebalanceImpl, mQClientFactory);

        offsetStore = spy(litePullConsumerImpl.getOffsetStore());
        field = DefaultLitePullConsumerImpl.class.getDeclaredField("offsetStore");
        field.setAccessible(true);
        field.set(litePullConsumerImpl, offsetStore);

        when(mQClientFactory.getMQClientAPIImpl().pullMessage(anyString(), any(PullMessageRequestHeader.class),
            anyLong(), any(CommunicationMode.class), nullable(PullCallback.class)))
            .thenAnswer(new Answer<Object>() {
                @Override
                public Object answer(InvocationOnMock mock) throws Throwable {
                    PullMessageRequestHeader requestHeader = mock.getArgument(1);
                    MessageClientExt messageClientExt = new MessageClientExt();
                    messageClientExt.setTopic(topic);
                    messageClientExt.setQueueId(0);
                    messageClientExt.setMsgId("123");
                    messageClientExt.setBody(new byte[] {'a'});
                    messageClientExt.setOffsetMsgId("234");
                    messageClientExt.setBornHost(new InetSocketAddress(8080));
                    messageClientExt.setStoreHost(new InetSocketAddress(8080));
                    PullResult pullResult = createPullResult(requestHeader, PullStatus.FOUND, Collections.<MessageExt>singletonList(messageClientExt));
                    return pullResult;
                }
            });

        when(mQClientFactory.findBrokerAddressInSubscribe(anyString(), anyLong(), anyBoolean())).thenReturn(new FindBrokerResult("127.0.0.1:10911", false));

        doReturn(Collections.singletonList(mQClientFactory.getClientId())).when(mQClientFactory).findConsumerIdList(anyString(), anyString());

        doReturn(123L).when(offsetStore).readOffset(any(MessageQueue.class), any(ReadOffsetType.class));
    }

Source File: DefaultMQPullConsumerImpl.java From rocketmq with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.isRunning();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultMQPullConsumerImpl.java From rocketmq_trans_message with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultMQPullConsumerImpl.java From DDMQ with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultMQPullConsumerImpl.java From rocketmq with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultMQPullConsumerImpl.java From rocketmq-4.3.0 with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultMQPushConsumerImpl.java From rocketmq-4.3.0 with Apache License 2.0

4 votes

@Override
    public ConsumerRunningInfo consumerRunningInfo() {
//        消费者运行信息
        ConsumerRunningInfo info = new ConsumerRunningInfo();

//        MQPushConsumer信息
        Properties prop = MixAll.object2Properties(this.defaultMQPushConsumer);

//        消费顺序
        prop.put(ConsumerRunningInfo.PROP_CONSUME_ORDERLY, String.valueOf(this.consumeOrderly));
//        消费线程池线程数
        prop.put(ConsumerRunningInfo.PROP_THREADPOOL_CORE_SIZE, String.valueOf(this.consumeMessageService.getCorePoolSize()));
//        消费开始时间
        prop.put(ConsumerRunningInfo.PROP_CONSUMER_START_TIMESTAMP, String.valueOf(this.consumerStartTimestamp));

        info.setProperties(prop);

//        订阅信息=》
        Set<SubscriptionData> subSet = this.subscriptions();
        info.getSubscriptionSet().addAll(subSet);

        Iterator<Entry<MessageQueue, ProcessQueue>> it = this.rebalanceImpl.getProcessQueueTable().entrySet().iterator();
        while (it.hasNext()) {
            Entry<MessageQueue, ProcessQueue> next = it.next();
            MessageQueue mq = next.getKey();
            ProcessQueue pq = next.getValue();

//            消息处理队列
            ProcessQueueInfo pqinfo = new ProcessQueueInfo();
            pqinfo.setCommitOffset(this.offsetStore.readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE));
            pq.fillProcessQueueInfo(pqinfo);
            info.getMqTable().put(mq, pqinfo);
        }

        for (SubscriptionData sd : subSet) {
//            消费状态
            ConsumeStatus consumeStatus = this.mQClientFactory.getConsumerStatsManager().consumeStatus(this.groupName(), sd.getTopic());
            info.getStatusTable().put(sd.getTopic(), consumeStatus);
        }

        return info;
    }

Source File: DefaultMQPullConsumerImpl.java From DDMQ with Apache License 2.0

4 votes

public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

Source File: DefaultMQPullConsumerImpl.java From rocketmq-read with Apache License 2.0

2 votes

/**
 * 获取消费的偏移量
 * @param mq mq
 * @param fromStore fromStore
 * @return ;
 * @throws MQClientException ;
 */
public long fetchConsumeOffset(MessageQueue mq, boolean fromStore) throws MQClientException {
    this.makeSureStateOK();
    return this.offsetStore.readOffset(mq, fromStore ? ReadOffsetType.READ_FROM_STORE : ReadOffsetType.MEMORY_FIRST_THEN_STORE);
}

org.apache.rocketmq.client.consumer.store.ReadOffsetType Java Examples