Examples of OffsetStore

Examples of com.alibaba.rocketmq.client.consumer.store.OffsetStore

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    public long computePullFromWhere(MessageQueue mq) {
        // 如果返回-1，这个队列的rebalance会失败重试，但是不影响其他队列。
        long result = -1;
        final ConsumeFromWhere consumeFromWhere =
                this.defaultMQPushConsumerImpl.getDefaultMQPushConsumer().getConsumeFromWhere();
        final OffsetStore offsetStore = this.defaultMQPushConsumerImpl.getOffsetStore();
        switch (consumeFromWhere) {
        case CONSUME_FROM_LAST_OFFSET_AND_FROM_MIN_WHEN_BOOT_FIRST:
        case CONSUME_FROM_MIN_OFFSET:
        case CONSUME_FROM_MAX_OFFSET:
        case CONSUME_FROM_LAST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费位点
            else if (-1 == lastOffset) {
                // 重试队列则从队列头部开始
                if (mq.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
                    result = 0L;
                }
                // 正常队列则从队列尾部开始
                else {
                    try {
                        result = this.mQClientFactory.getMQAdminImpl().maxOffset(mq);
                    }
                    catch (MQClientException e) {
                        result = -1;
                    }
                }
            }
            // 其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_FIRST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费位点
            else if (-1 == lastOffset) {
                result = 0L;
            }
            // 其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_TIMESTAMP: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费为点
View Full Code Here

Examples of com.alibaba.rocketmq.client.consumer.store.OffsetStore

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    @Override
    public long computePullFromWhere(MessageQueue mq) {
        long result = -1;
        final ConsumeFromWhere consumeFromWhere =
                this.defaultMQPushConsumerImpl.getDefaultMQPushConsumer().getConsumeFromWhere();
        final OffsetStore offsetStore = this.defaultMQPushConsumerImpl.getOffsetStore();
        switch (consumeFromWhere) {
        case CONSUME_FROM_LAST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 当前订阅组在服务器没有对应的Offset
            // 说明是第一次启动
            else if (-1 == lastOffset) {
                // 如果是重试队列，需要从0开始
                if (mq.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
                    result = 0L;
                }
                // 正常队列则从末尾开始
                else {
                    result = Long.MAX_VALUE;
                }
            }
            // 发生其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_LAST_OFFSET_AND_FROM_MIN_WHEN_BOOT_FIRST: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 当前订阅组在服务器没有对应的Offset
            // 说明是第一次启动
View Full Code Here

Examples of com.alibaba.rocketmq.client.consumer.store.OffsetStore

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    public long computePullFromWhere(MessageQueue mq) {
        // 如果返回-1，这个队列的rebalance会失败重试，但是不影响其他队列。
        long result = -1;
        final ConsumeFromWhere consumeFromWhere =
                this.defaultMQPushConsumerImpl.getDefaultMQPushConsumer().getConsumeFromWhere();
        final OffsetStore offsetStore = this.defaultMQPushConsumerImpl.getOffsetStore();
        switch (consumeFromWhere) {
        case CONSUME_FROM_LAST_OFFSET_AND_FROM_MIN_WHEN_BOOT_FIRST:
        case CONSUME_FROM_MIN_OFFSET:
        case CONSUME_FROM_MAX_OFFSET:
        case CONSUME_FROM_LAST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费位点
            else if (-1 == lastOffset) {
                // 重试队列则从队列头部开始
                if (mq.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
                    result = 0L;
                }
                // 正常队列则从队列尾部开始
                else {
                    try {
                        result = this.mQClientFactory.getMQAdminImpl().maxOffset(mq);
                    }
                    catch (MQClientException e) {
                        result = -1;
                    }
                }
            }
            // 其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_FIRST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费位点
            else if (-1 == lastOffset) {
                result = 0L;
            }
            // 其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_TIMESTAMP: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费为点
View Full Code Here

Examples of com.alibaba.rocketmq.client.consumer.store.OffsetStore

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    public long computePullFromWhere(MessageQueue mq) {
        // 如果返回-1，这个队列的rebalance会失败重试，但是不影响其他队列。
        long result = -1;
        final ConsumeFromWhere consumeFromWhere =
                this.defaultMQPushConsumerImpl.getDefaultMQPushConsumer().getConsumeFromWhere();
        final OffsetStore offsetStore = this.defaultMQPushConsumerImpl.getOffsetStore();
        switch (consumeFromWhere) {
        case CONSUME_FROM_LAST_OFFSET_AND_FROM_MIN_WHEN_BOOT_FIRST:
        case CONSUME_FROM_MIN_OFFSET:
        case CONSUME_FROM_MAX_OFFSET:
        case CONSUME_FROM_LAST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费位点
            else if (-1 == lastOffset) {
                // 重试队列则从队列头部开始
                if (mq.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
                    result = 0L;
                }
                // 正常队列则从队列尾部开始
                else {
                    try {
                        result = this.mQClientFactory.getMQAdminImpl().maxOffset(mq);
                    }
                    catch (MQClientException e) {
                        result = -1;
                    }
                }
            }
            // 其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_FIRST_OFFSET: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费位点
            else if (-1 == lastOffset) {
                result = 0L;
            }
            // 其他错误
            else {
                result = -1;
            }
            break;
        }
        case CONSUME_FROM_TIMESTAMP: {
            long lastOffset = offsetStore.readOffset(mq, ReadOffsetType.READ_FROM_STORE);
            // 第二次启动，根据上次的消费位点开始消费
            if (lastOffset >= 0) {
                result = lastOffset;
            }
            // 第一次启动，没有记录消费为点
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