public TScanBatchResult getNext()

in spark-doris-connector/src/main/java/org/apache/doris/spark/backend/BackendClient.java [161:195]
35 lines of code
8 McCabe index (conditional complexity)

    public TScanBatchResult getNext(TScanNextBatchParams nextBatchParams) throws DorisException {
        logger.debug("GetNext to '{}', parameter is '{}'.", routing, nextBatchParams);
        if (!isConnected) {
            open();
        }
        TException ex = null;
        TScanBatchResult result = null;
        for (int attempt = 0; attempt < retries; ++attempt) {
            logger.debug("Attempt {} to getNext {}.", attempt, routing);
            try {
                result  = client.getNext(nextBatchParams);
                if (result == null) {
                    logger.warn("GetNext result from {} is null.", routing);
                    continue;
                }
                if (!TStatusCode.OK.equals(result.getStatus().getStatusCode())) {
                    logger.warn("The status of get next result from {} is '{}', error message is: {}.",
                            routing, result.getStatus().getStatusCode(), result.getStatus().getErrorMsgs());
                    continue;
                }
                return result;
            } catch (TException e) {
                logger.warn("Get next from {} failed.", routing, e);
                ex = e;
            }
        }
        if (result != null && (TStatusCode.OK != (result.getStatus().getStatusCode()))) {
            logger.error(ErrorMessages.DORIS_INTERNAL_FAIL_MESSAGE, routing, result.getStatus().getStatusCode(),
                    result.getStatus().getErrorMsgs());
            throw new DorisInternalException(routing.toString(), result.getStatus().getStatusCode(),
                    result.getStatus().getErrorMsgs());
        }
        logger.error(ErrorMessages.CONNECT_FAILED_MESSAGE, routing);
        throw new ConnectedFailedException(routing.toString(), ex);
    }