kyo.stats.otel.OTelAttributes.scala Maven / Gradle / Ivy

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kyo-stats-otel

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package kyo.stats.otel

import io.opentelemetry.api.common.Attributes as OAttributes
import io.opentelemetry.api.common.AttributesBuilder
import kyo.stats.Attributes
import kyo.stats.Attributes.Attribute
import kyo.stats.Attributes.Attribute.*

object OTelAttributes {

    def apply(a: Attributes): OAttributes = {

        def loop(l: List[Attribute], b: AttributesBuilder): AttributesBuilder = {
            l match {
                case Nil => b
                case head :: tail =>
                    head match {
                        case BooleanListAttribute(name, value) =>
                            loop(tail, b.put(name, value*))
                        case BooleanAttribute(name, value) =>
                            loop(tail, b.put(name, value))
                        case DoubleListAttribute(name, value) =>
                            loop(tail, b.put(name, value*))
                        case DoubleAttribute(name, value) =>
                            loop(tail, b.put(name, value))
                        case LongListAttribute(name, value) =>
                            loop(tail, b.put(name, value*))
                        case LongAttribute(name, value) =>
                            loop(tail, b.put(name, value))
                        case StringListAttribute(name, value) =>
                            loop(tail, b.put(name, value*))
                        case StringAttribute(name, value) =>
                            loop(tail, b.put(name, value))
                    }
            }
        }
        a.get match {
            case Nil => OAttributes.empty()
            case l   => loop(l, OAttributes.builder()).build()
        }
    }
}