src/main/scala/kamon/metric/Metrics.scala


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package kamon.metric

import java.util.concurrent.TimeUnit
import com.codahale.metrics._
import akka.actor.ActorRef

trait MetricDepot {
  def include(name: String, metric: Metric): Unit
  def exclude(name: String): Unit
}


object Metrics extends MetricDepot {
  val registry: MetricRegistry = new MetricRegistry

  val consoleReporter = ConsoleReporter.forRegistry(registry)
  val newrelicReporter = NewRelicReporter(registry)

  //newrelicReporter.start(5, TimeUnit.SECONDS)
  consoleReporter.build().start(60, TimeUnit.SECONDS)


  def include(name: String, metric: Metric) = registry.register(name, metric)

  def exclude(name: String) = {
    registry.removeMatching(new MetricFilter {
      def matches(name: String, metric: Metric): Boolean = name.startsWith(name)
    })
  }


  def deregister(fullName: String) = {
    registry.removeMatching(new MetricFilter {
      def matches(name: String, metric: Metric): Boolean = name.startsWith(fullName)
    })
  }
}

object MetricDirectory {
  def nameForDispatcher(actorSystem: String, dispatcher: String) = s"/ActorSystem/${actorSystem}/Dispatcher/${dispatcher}/"

  def nameForMailbox(actorSystem: String, actor: String) = s"/ActorSystem/$actorSystem/Actor/$actor/Mailbox"

  def nameForActor(actorRef: ActorRef) = actorRef.path.elements.fold("")(_ + "/" + _)
}