public Optional findLatestTaskResultStatistics()

in shardingsphere-elasticjob-cloud-ui/shardingsphere-elasticjob-cloud-ui-backend/src/main/java/org/apache/shardingsphere/elasticjob/cloud/ui/repository/StatisticRdbRepository.java [225:243]

• 18 lines of code
• 3 McCabe index (conditional complexity)

    public Optional<TaskResultStatistics> findLatestTaskResultStatistics(final StatisticInterval statisticInterval) {
        TaskResultStatistics result = null;
        String sql = String.format("SELECT id, success_count, failed_count, statistics_time, creation_time FROM %s order by id DESC LIMIT 1", 
                TABLE_TASK_RESULT_STATISTICS + "_" + statisticInterval);
        try (
                Connection conn = dataSource.getConnection();
                PreparedStatement preparedStatement = conn.prepareStatement(sql);
                ResultSet resultSet = preparedStatement.executeQuery()
                ) {
            while (resultSet.next()) {
                result = new TaskResultStatistics(resultSet.getLong(1), resultSet.getInt(2), resultSet.getInt(3),
                        statisticInterval, new Date(resultSet.getTimestamp(4).getTime()), new Date(resultSet.getTimestamp(5).getTime()));
            }
        } catch (final SQLException ex) {
            // TODO log failure directly to output log, consider to be configurable in the future
            log.error("Fetch latest taskResultStatistics from DB error:", ex);
        }
        return Optional.ofNullable(result);
    }