public Object handleScalarMonitor()

in manager/manager/src/main/java/org/apache/doris/stack/service/manager/MonitoringQueryService.java [508:538]

• 28 lines of code
• 9 McCabe index (conditional complexity)

    public Object handleScalarMonitor(HttpServletRequest request, HttpServletResponse response, String typeString)
            throws Exception {
        ClusterInfoType type;
        try {
            type = ClusterInfoType.valueOf(typeString.toUpperCase());
        } catch (Exception e) {
            throw new IllegalArgumentException("No such monitor type: " + typeString);
        }

        ClusterInfoEntity clusterInfoEntity = checkAndHandleCluster(request, response);
        String jobName = clusterInfoEntity.getPrometheusJobName();

        if (Strings.isNullOrEmpty(queryUrl) || Strings.isNullOrEmpty(queryRangeUrl)) {
            intPrometheusUrl();
        }

        switch (type) {
            case NODE_NUM:
                return nodeNum(jobName);
            case DISKS_CAPACITY:
                return disksCapacity(jobName);
            case STATISTIC:
                return statistic(jobName);
            case FE_LIST:
                return feList(jobName);
            case BE_LIST:
                return beList(jobName);
            default:
                throw new RuntimeException("No such monitoring type is defined:" + type);
        }
    }