public TScanOpenResult openScanner()

in spark-doris-connector/src/main/java/org/apache/doris/spark/backend/BackendClient.java [122:153]

32 lines of code
7 McCabe index (conditional complexity)


    public TScanOpenResult openScanner(TScanOpenParams openParams) throws ConnectedFailedException {
        if (logger.isDebugEnabled()) {
            TScanOpenParams logParams = new TScanOpenParams(openParams);
            logParams.setPasswd("********");
            logger.debug("OpenScanner to '{}', parameter is '{}'.", routing, logParams);
        }
        if (!isConnected) {
            open();
        }
        TException ex = null;
        for (int attempt = 0; attempt < retries; ++attempt) {
            logger.debug("Attempt {} to openScanner {}.", attempt, routing);
            try {
                TScanOpenResult result = client.openScanner(openParams);
                if (result == null) {
                    logger.warn("Open scanner result from {} is null.", routing);
                    continue;
                }
                if (!TStatusCode.OK.equals(result.getStatus().getStatusCode())) {
                    logger.warn("The status of open scanner result from {} is '{}', error message is: {}.",
                            routing, result.getStatus().getStatusCode(), result.getStatus().getErrorMsgs());
                    continue;
                }
                return result;
            } catch (TException e) {
                logger.warn("Open scanner from {} failed.", routing, e);
                ex = e;
            }
        }
        logger.error(ErrorMessages.CONNECT_FAILED_MESSAGE, routing);
        throw new ConnectedFailedException(routing.toString(), ex);
    }