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package kamon.trace
import scala.collection.concurrent.TrieMap
import kamon.trace.TraceLocal.TraceLocalKey
object TraceLocal {
trait TraceLocalKey {
type ValueType
}
def store(key: TraceLocalKey)(value: key.ValueType): Unit =
TraceRecorder.currentContext.map(_.traceLocalStorage.store(key)(value))
def retrieve(key: TraceLocalKey): Option[key.ValueType] =
TraceRecorder.currentContext.flatMap(_.traceLocalStorage.retrieve(key))
}
class TraceLocalStorage {
val underlyingStorage = TrieMap[TraceLocal.TraceLocalKey, Any]()
def store(key: TraceLocalKey)(value: key.ValueType): Unit = underlyingStorage.put(key, value)
def retrieve(key: TraceLocalKey): Option[key.ValueType] = underlyingStorage.get(key).map(_.asInstanceOf[key.ValueType])
}
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