Retrieve tables names

@Path("device/stats/tableNames")
    @GET
    @Produces("application/json")
    public Response getDataSourceNames() {
        ObjectMapper mapper = new ObjectMapper();
        JsonNode rootNode = mapper.createObjectNode();
        ArrayNode dataSources = mapper.createArrayNode();
        try {
            PrivilegedCarbonContext.startTenantFlow();
            PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
            ctx.setTenantDomain("carbon.super", true);
            int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
            AnalyticsDataAPI analyticsDataAPI = new CarbonAnalyticsAPI();
            List<String> tableNames = analyticsDataAPI.listTables(tenantId);
            for (String tableName : tableNames) {
                JsonNode dataSourceDetails = mapper.createObjectNode();
                ((ObjectNode) dataSourceDetails).put(Constants.SCHEMA_DEFINITION_COLUMN_NAME, tableName);
                ((ObjectNode) dataSourceDetails).put(Constants.SCHEMA_DEFINITION_COLUMN_TYPE,
                        Constants.DATA_SOURCE_TYPE_BATCH);
                dataSources.add(dataSourceDetails);
            }
            ((ObjectNode) rootNode).put(Constants.RESPONSE_STATUS, Constants.SUCCESS_MESSAGE);
            ((ObjectNode) rootNode).put(Constants.RESPONSE_MESSAGE, dataSources);
            return Response.ok(rootNode.toString()).build();
        } catch (AnalyticsException e) {
            log.error("Error while retrieving data from DAS, " + e);
            ((ObjectNode) rootNode).put(Constants.RESPONSE_STATUS, Constants.FAILURE_MESSAGE);
            ((ObjectNode) rootNode).put(Constants.RESPONSE_MESSAGE, e.getMessage());
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(rootNode).build();
        } finally {
            PrivilegedCarbonContext.endTenantFlow();
        }
    }