Package com.alibaba.otter.canal.protocol

Examples of com.alibaba.otter.canal.protocol.Message

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                MDC.put("destination", destination);
                connector.connect();
                connector.subscribe("");
                connector.rollback();
                while (running) {
                    Message message = connector.getWithoutAck(batchSize); // 获取指定数量的数据
                    long batchId = message.getId();
                    int size = message.getEntries().size();
                    if (batchId == -1 || size == 0) {
                        // try {
                        // Thread.sleep(1000);
                        // } catch (InterruptedException e) {
                        // }
                    } else {
                        printSummary(message, batchId, size);
                        printEntry(message.getEntries());
                    }

                    connector.ack(batchId); // 提交确认
                    // connector.rollback(batchId); // 处理失败, 回滚数据
                }
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    public Message get(int batchSize) throws CanalClientException {
        int times = 0;
        while (times < retryTimes) {
            try {
                Message msg = currentConnector.get(batchSize);
                return msg;
            } catch (Throwable t) {
                logger.warn("something goes wrong when getting data from server:{}\n{}", currentConnector.getAddress(),
                            ExceptionUtils.getFullStackTrace(t));
                times++;
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    public Message get(int batchSize, Long timeout, TimeUnit unit) throws CanalClientException {
        int times = 0;
        while (times < retryTimes) {
            try {
                Message msg = currentConnector.get(batchSize, timeout, unit);
                return msg;
            } catch (Throwable t) {
                logger.warn("something goes wrong when getting data from server:{}\n{}", currentConnector.getAddress(),
                            ExceptionUtils.getFullStackTrace(t));
                times++;
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    public Message getWithoutAck(int batchSize) throws CanalClientException {
        int times = 0;
        while (times < retryTimes) {
            try {
                Message msg = currentConnector.getWithoutAck(batchSize);
                return msg;
            } catch (Throwable t) {
                logger.warn("something goes wrong when getWithoutAck data from server:{}\n{}",
                            currentConnector.getAddress(), ExceptionUtils.getFullStackTrace(t));
                times++;
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    public Message getWithoutAck(int batchSize, Long timeout, TimeUnit unit) throws CanalClientException {
        int times = 0;
        while (times < retryTimes) {
            try {
                Message msg = currentConnector.getWithoutAck(batchSize, timeout, unit);
                return msg;
            } catch (Throwable t) {
                logger.warn("something goes wrong when getWithoutAck data from server:{}\n{}",
                            currentConnector.getAddress(), ExceptionUtils.getFullStackTrace(t));
                times++;
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            try {
                MDC.put("destination", destination);
                connector.connect();
                connector.subscribe();
                while (running) {
                    Message message = connector.getWithoutAck(batchSize); // 获取指定数量的数据
                    long batchId = message.getId();
                    int size = message.getEntries().size();
                    if (batchId == -1 || size == 0) {
                        // try {
                        // Thread.sleep(1000);
                        // } catch (InterruptedException e) {
                        // }
                    } else {
                        printSummary(message, batchId, size);
                        printEntry(message.getEntries());
                    }

                    connector.ack(batchId); // 提交确认
                    // connector.rollback(batchId); // 处理失败, 回滚数据
                }
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                MDC.put("destination", destination);
                connector.connect();
                connector.subscribe("");
                connector.rollback();
                while (running) {
                    Message message = connector.getWithoutAck(batchSize); // 获取指定数量的数据
                    long batchId = message.getId();
                    int size = message.getEntries().size();
                    if (batchId == -1 || size == 0) {
                        // try {
                        // Thread.sleep(1000);
                        // } catch (InterruptedException e) {
                        // }
                    } else {
                        printSummary(message, batchId, size);
                        printEntry(message.getEntries());
                    }

                    connector.ack(batchId); // 提交确认
                    // connector.rollback(batchId); // 处理失败, 回滚数据
                }
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                MDC.put("destination", destination);
                connector.connect();
                connector.subscribe(".*\\..*");
                connector.rollback();
                while (running) {
                    Message message = connector.getWithoutAck(batchSize); // 获取指定数量的数据
                    long batchId = message.getId();
                    int size = message.getEntries().size();
                    if (batchId == -1 || size == 0) {
                        try {
                            Thread.sleep(1000);
                        } catch (InterruptedException e) {
                        }
                    } else {
                        printSummary(message, batchId, size);
                        printEntry(message.getEntries());
                    }

                    connector.ack(batchId); // 提交确认
                    // connector.rollback(batchId); // 处理失败, 回滚数据
                }
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    public Message get(int batchSize) throws CanalClientException {
        return get(batchSize, null, null);
    }

    public Message get(int batchSize, Long timeout, TimeUnit unit) throws CanalClientException {
        Message message = getWithoutAck(batchSize, timeout, unit);
        ack(message.getId());
        return message;
    }
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                if (!p.getCompression().equals(Compression.NONE)) {
                    throw new CanalClientException("compression is not supported in this connector");
                }

                Messages messages = Messages.parseFrom(p.getBody());
                Message result = new Message(messages.getBatchId());
                for (ByteString byteString : messages.getMessagesList()) {
                    result.addEntry(Entry.parseFrom(byteString));
                }
                return result;
            }
            case ACK: {
                Ack ack = Ack.parseFrom(p.getBody());
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Related Classes of com.alibaba.otter.canal.protocol.Message

  • com.alibaba.otter.canal.client.impl.ClusterCanalConnector
  • com.alibaba.otter.canal.client.impl.SimpleCanalConnector
  • com.alibaba.otter.canal.example.AbstractCanalClientTest
  • com.alibaba.otter.canal.server.BaseCanalServerWithEmbededTest
  • com.alibaba.otter.canal.server.embeded.CanalServerWithEmbeded
  • com.alibaba.otter.canal.server.netty.handler.SessionHandler
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