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Diffstat (limited to 'kamon-core/src/main/scala/kamon/trace/TraceSettings.scala')
-rw-r--r--kamon-core/src/main/scala/kamon/trace/TraceSettings.scala6
1 files changed, 4 insertions, 2 deletions
diff --git a/kamon-core/src/main/scala/kamon/trace/TraceSettings.scala b/kamon-core/src/main/scala/kamon/trace/TraceSettings.scala
index 06677314..c3a83e93 100644
--- a/kamon-core/src/main/scala/kamon/trace/TraceSettings.scala
+++ b/kamon-core/src/main/scala/kamon/trace/TraceSettings.scala
@@ -20,7 +20,7 @@ import kamon.util.ConfigTools.Syntax
import com.typesafe.config.Config
import kamon.util.NanoInterval
-case class TraceSettings(levelOfDetail: LevelOfDetail, sampler: Sampler, tokenGeneratorFQN: String)
+case class TraceSettings(levelOfDetail: LevelOfDetail, sampler: Sampler, tokenGenerator: () ⇒ String)
object TraceSettings {
def apply(config: Config): TraceSettings = {
@@ -42,8 +42,10 @@ object TraceSettings {
case "clock" ⇒ new ClockSampler(new NanoInterval(tracerConfig.getFiniteDuration("clock-sampler.pause").toNanos))
}
+ val dynamic = new akka.actor.ReflectiveDynamicAccess(getClass.getClassLoader)
val tokenGeneratorFQN = tracerConfig.getString("token-generator")
+ val tokenGenerator = dynamic.createInstanceFor[() ⇒ String](tokenGeneratorFQN, Nil).get // let's bubble up any problems.
- TraceSettings(detailLevel, sampler, tokenGeneratorFQN)
+ TraceSettings(detailLevel, sampler, tokenGenerator)
}
} \ No newline at end of file