fun main()

in src/fraud-detection/src/main/kotlin/frauddetection/main.kt [31:70]
37 lines of code
4 McCabe index (conditional complexity)

fun main() {
    val options = FlagdOptions.builder()
    .withGlobalTelemetry(true)
    .build()
    val flagdProvider = FlagdProvider(options)
    OpenFeatureAPI.getInstance().setProvider(flagdProvider)

    val props = Properties()
    props[KEY_DESERIALIZER_CLASS_CONFIG] = StringDeserializer::class.java.name
    props[VALUE_DESERIALIZER_CLASS_CONFIG] = ByteArrayDeserializer::class.java.name
    props[GROUP_ID_CONFIG] = groupID
    val bootstrapServers = System.getenv("KAFKA_ADDR")
    if (bootstrapServers == null) {
        println("KAFKA_ADDR is not supplied")
        exitProcess(1)
    }
    props[BOOTSTRAP_SERVERS_CONFIG] = bootstrapServers
    val consumer = KafkaConsumer<String, ByteArray>(props).apply {
        subscribe(listOf(topic))
    }

    var totalCount = 0L

    consumer.use {
        while (true) {
            totalCount = consumer
                .poll(ofMillis(100))
                .fold(totalCount) { accumulator, record ->
                    val newCount = accumulator + 1
                    if (getFeatureFlagValue("kafkaQueueProblems") > 0) {
                        logger.info("FeatureFlag 'kafkaQueueProblems' is enabled, sleeping 1 second")
                        Thread.sleep(1000)
                    }
                    val orders = OrderResult.parseFrom(record.value())
                    logger.info("Consumed record with orderId: ${orders.orderId}, and updated total count to: $newCount")
                    newCount
                }
        }
    }
}