= core,system.metrics: fixed serialization errors when using akka.actor.serialize-messages = on

1 files changed, 13 insertions, 10 deletions

diff --git a/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala b/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala
index 21f76a12..ebd79d48 100644
--- a/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala
+++ b/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala
@@ -54,20 +54,23 @@ object ProcessCPUMetrics extends MetricGroupCategory {
       TotalProcessTime -> totalProcessTime)
   }
 
-  val Factory = new MetricGroupFactory {
+  val Factory = ProcessCPUMetricGroupFactory
+}
 
-    type GroupRecorder = ProcessCPUMetricsRecorder
+case object ProcessCPUMetricGroupFactory extends MetricGroupFactory {
+  import ProcessCPUMetrics._
 
-    def create(config: Config, system: ActorSystem): GroupRecorder = {
-      val settings = config.getConfig("precision.system.process-cpu")
+  type GroupRecorder = ProcessCPUMetricsRecorder
 
-      val cpuPercentageConfig = settings.getConfig("cpu-percentage")
-      val totalProcessTimeConfig = settings.getConfig("total-process-time")
+  def create(config: Config, system: ActorSystem): GroupRecorder = {
+    val settings = config.getConfig("precision.system.process-cpu")
 
-      new ProcessCPUMetricsRecorder(
-        Histogram.fromConfig(cpuPercentageConfig),
-        Histogram.fromConfig(totalProcessTimeConfig))
-    }
+    val cpuPercentageConfig = settings.getConfig("cpu-percentage")
+    val totalProcessTimeConfig = settings.getConfig("total-process-time")
+
+    new ProcessCPUMetricsRecorder(
+      Histogram.fromConfig(cpuPercentageConfig),
+      Histogram.fromConfig(totalProcessTimeConfig))
   }
 }