util.Flag.kt Maven / Gradle / Ivy

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Core package for Amplitude's evaluation proxy.

The newest version!

package com.amplitude.util

import com.amplitude.experiment.evaluation.EvaluationFlag

fun EvaluationFlag.getFlagVersion(): Long? {
    val value = this.metadata?.get("flagVersion")
    return when (value) {
        null -> null
        is Long -> value
        is Int -> value.toLong()
        is Double -> value.toLong()
        is Float -> value.toLong()
        is String -> value.toLongOrNull()
        is Number -> value.toLong()
        else -> null
    }
}

fun EvaluationFlag.isNewerThan(flag: EvaluationFlag?): Boolean {
    return (this.getFlagVersion() ?: Long.MAX_VALUE) > (flag?.getFlagVersion() ?: 0L)
}