From 7a10c0ef2a6566229e8571f6d385ca2ff794cc20 Mon Sep 17 00:00:00 2001
From: Ivan Topolnak <itopolnak@despegar.com>
Date: Thu, 2 Jan 2014 18:09:53 -0300
Subject: integrate trace and metrics into the base project

---
 .../src/main/scala/kamon/metric/Metrics.scala      | 132 ---------------------
 1 file changed, 132 deletions(-)
 delete mode 100644 kamon-core/src/main/scala/kamon/metric/Metrics.scala

(limited to 'kamon-core/src/main/scala/kamon/metric/Metrics.scala')

diff --git a/kamon-core/src/main/scala/kamon/metric/Metrics.scala b/kamon-core/src/main/scala/kamon/metric/Metrics.scala
deleted file mode 100644
index b904ec56..00000000
--- a/kamon-core/src/main/scala/kamon/metric/Metrics.scala
+++ /dev/null
@@ -1,132 +0,0 @@
-/* ===================================================
- * Copyright © 2013 the kamon project <http://kamon.io/>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================== */
-package kamon.metric
-
-import java.util.concurrent.TimeUnit
-import akka.actor.ActorRef
-import com.codahale.metrics
-import com.codahale.metrics.{ MetricFilter, Metric, ConsoleReporter, MetricRegistry }
-import scala.collection.concurrent.TrieMap
-
-object Metrics {
-  val registry: MetricRegistry = new MetricRegistry
-
-  val consoleReporter = ConsoleReporter.forRegistry(registry).convertDurationsTo(TimeUnit.NANOSECONDS)
-  //consoleReporter.build().start(45, TimeUnit.SECONDS)
-
-  //val newrelicReporter = NewRelicReporter(registry)
-  //newrelicReporter.start(5, 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 Watched {
-  case object Actor
-  case object Dispatcher
-}
-
-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.mkString("/")
-
-  def shouldInstrument(actorSystem: String): Boolean = !actorSystem.startsWith("kamon")
-
-  def shouldInstrumentActor(actorPath: String): Boolean = {
-    !(actorPath.isEmpty || actorPath.startsWith("system"))
-  }
-
-}
-
-case class DispatcherMetricCollector(activeThreadCount: Histogram, poolSize: Histogram, queueSize: Histogram)
-
-trait Histogram {
-  def update(value: Long): Unit
-  def snapshot: HistogramSnapshot
-}
-
-trait HistogramSnapshot {
-  def median: Double
-  def max: Double
-  def min: Double
-}
-
-case class ActorSystemMetrics(actorSystemName: String) {
-  val dispatchers = TrieMap.empty[String, DispatcherMetricCollector]
-
-  private[this] def createDispatcherCollector: DispatcherMetricCollector = DispatcherMetricCollector(CodahaleHistogram(), CodahaleHistogram(), CodahaleHistogram())
-
-  def registerDispatcher(dispatcherName: String): Option[DispatcherMetricCollector] = {
-    val stats = createDispatcherCollector
-    dispatchers.put(dispatcherName, stats)
-    Some(stats)
-  }
-
-}
-
-case class CodahaleHistogram() extends Histogram {
-  private[this] val histogram = new com.codahale.metrics.Histogram(new metrics.ExponentiallyDecayingReservoir())
-
-  def update(value: Long) = histogram.update(value)
-  def snapshot: HistogramSnapshot = {
-    val snapshot = histogram.getSnapshot
-
-    CodahaleHistogramSnapshot(snapshot.getMedian, snapshot.getMax, snapshot.getMin)
-  }
-}
-
-case class CodahaleHistogramSnapshot(median: Double, max: Double, min: Double) extends HistogramSnapshot
-
-/**
- *  Dispatcher Metrics that we care about currently with a histogram-like nature:
- *    - Work Queue Size
- *    - Total/Active Thread Count
- */
-
-import annotation.tailrec
-import java.util.concurrent.atomic.AtomicReference
-
-object Atomic {
-  def apply[T](obj: T) = new Atomic(new AtomicReference(obj))
-  implicit def toAtomic[T](ref: AtomicReference[T]): Atomic[T] = new Atomic(ref)
-}
-
-class Atomic[T](val atomic: AtomicReference[T]) {
-  @tailrec
-  final def update(f: T ⇒ T): T = {
-    val oldValue = atomic.get()
-    val newValue = f(oldValue)
-    if (atomic.compareAndSet(oldValue, newValue)) newValue else update(f)
-  }
-
-  def get() = atomic.get()
-}
\ No newline at end of file
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