.evaluation-proxy-core.0.6.0.source-code.Metrics.kt Maven / Gradle / Ivy

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Core package for Amplitude's evaluation proxy.

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package com.amplitude

sealed class Metric

sealed class FailureMetric : Metric()

interface MetricsHandler {
    fun track(metric: Metric)
}

data object Evaluation : Metric()

data class EvaluationFailure(val exception: Exception) : FailureMetric()

data object AssignmentEvent : Metric()

data object AssignmentEventFilter : Metric()

data object AssignmentEventSend : Metric()

data class AssignmentEventSendFailure(val exception: Exception) : FailureMetric()

data object DeploymentsFetch : Metric()

data class DeploymentsFetchFailure(val exception: Exception) : FailureMetric()

data object FlagsFetch : Metric()

data class FlagsFetchFailure(val exception: Exception) : FailureMetric()

data object CohortDownload : Metric()

data class CohortDownloadFailure(val exception: Exception) : FailureMetric()

data object RedisCommand : Metric()

data class RedisCommandFailure(val exception: Exception) : FailureMetric()

data object EvaluationProxyRequest : Metric()

data class EvaluationProxyRequestError(val exception: Exception) : FailureMetric()

data object EvaluationProxyGetFlagsRequest : Metric()

data class EvaluationProxyGetFlagsRequestError(val exception: Exception) : FailureMetric()

data object EvaluationProxyGetCohortRequest : Metric()

data class EvaluationProxyGetCohortRequestError(val exception: Exception) : FailureMetric()

data object EvaluationProxyGetMembershipsRequest : Metric()

data class EvaluationProxyGetMembershipsRequestError(val exception: Exception) : FailureMetric()

data object EvaluationProxyEvaluationRequest : Metric()

data class EvaluationProxyEvaluationRequestError(val exception: Exception) : FailureMetric()

internal object Metrics : MetricsHandler {
    internal var handler: MetricsHandler? = null

    override fun track(metric: Metric) {
        handler?.track(metric)
    }

    internal suspend fun  with(
        metric: (() -> Metric)?,
        failure: ((e: Exception) -> FailureMetric)?,
        block: suspend () -> R,
    ): R {
        try {
            metric?.invoke()
            return block.invoke()
        } catch (e: Exception) {
            failure?.invoke(e)
            throw e
        }
    }
}