= core: add commodity trace context manipulation methods to the Tracer.

1 files changed, 0 insertions, 132 deletions

diff --git a/kamon-core/src/main/scala/kamon/trace/Tracer.scala b/kamon-core/src/main/scala/kamon/trace/Tracer.scala
deleted file mode 100644
index 472c1d65..00000000
--- a/kamon-core/src/main/scala/kamon/trace/Tracer.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.trace
-
-import java.net.InetAddress
-import java.util.concurrent.atomic.AtomicLong
-
-import akka.actor._
-import com.typesafe.config.Config
-import kamon.metric.Metrics
-import kamon.util._
-
-import scala.util.Try
-
-trait Tracer {
-  def newContext(name: String): TraceContext
-  def newContext(name: String, token: String): TraceContext
-  def newContext(name: String, token: String, timestamp: RelativeNanoTimestamp, isOpen: Boolean, isLocal: Boolean): TraceContext
-
-  def subscribe(subscriber: ActorRef): Unit
-  def unsubscribe(subscriber: ActorRef): Unit
-}
-
-object Tracer {
-  private[kamon] val _traceContextStorage = new ThreadLocal[TraceContext] {
-    override def initialValue(): TraceContext = EmptyTraceContext
-  }
-
-  def currentContext: TraceContext =
-    _traceContextStorage.get()
-
-  def setCurrentContext(context: TraceContext): Unit =
-    _traceContextStorage.set(context)
-
-  def clearCurrentContext: Unit =
-    _traceContextStorage.remove()
-
-  def withContext[T](context: TraceContext)(code: ⇒ T): T = {
-    val oldContext = _traceContextStorage.get()
-    _traceContextStorage.set(context)
-
-    try code finally _traceContextStorage.set(oldContext)
-  }
-}
-
-private[kamon] class TracerImpl(metricsExtension: Metrics, config: Config) extends Tracer {
-  private val _settings = TraceSettings(config)
-  private val _hostnamePrefix = Try(InetAddress.getLocalHost.getHostName).getOrElse("unknown-localhost")
-  private val _tokenCounter = new AtomicLong
-
-  private val _subscriptions = new LazyActorRef
-  private val _incubator = new LazyActorRef
-
-  private def newToken: String =
-    _hostnamePrefix + "-" + String.valueOf(_tokenCounter.incrementAndGet())
-
-  def newContext(name: String): TraceContext =
-    createTraceContext(name)
-
-  def newContext(name: String, token: String): TraceContext =
-    createTraceContext(name, token)
-
-  def newContext(name: String, token: String, timestamp: RelativeNanoTimestamp, isOpen: Boolean, isLocal: Boolean): TraceContext =
-    createTraceContext(name, token, timestamp, isOpen, isLocal)
-
-  private def createTraceContext(traceName: String, token: String = newToken, startTimestamp: RelativeNanoTimestamp = RelativeNanoTimestamp.now,
-    isOpen: Boolean = true, isLocal: Boolean = true): TraceContext = {
-
-    def newMetricsOnlyContext = new MetricsOnlyContext(traceName, token, isOpen, _settings.levelOfDetail, startTimestamp, null)
-
-    if (_settings.levelOfDetail == LevelOfDetail.MetricsOnly || !isLocal)
-      newMetricsOnlyContext
-    else {
-      if (!_settings.sampler.shouldTrace)
-        newMetricsOnlyContext
-      else
-        new TracingContext(traceName, token, true, _settings.levelOfDetail, isLocal, startTimestamp, null, dispatchTracingContext)
-    }
-  }
-
-  def subscribe(subscriber: ActorRef): Unit =
-    _subscriptions.tell(TraceSubscriptions.Subscribe(subscriber))
-
-  def unsubscribe(subscriber: ActorRef): Unit =
-    _subscriptions.tell(TraceSubscriptions.Unsubscribe(subscriber))
-
-  private[kamon] def dispatchTracingContext(trace: TracingContext): Unit =
-    if (_settings.sampler.shouldReport(trace.elapsedTime))
-      if (trace.shouldIncubate)
-        _incubator.tell(trace)
-      else
-        _subscriptions.tell(trace.generateTraceInfo)
-
-  /**
-   *  Tracer Extension initialization.
-   */
-  private var _system: ActorSystem = null
-  private lazy val _start = {
-    val subscriptions = _system.actorOf(Props[TraceSubscriptions], "trace-subscriptions")
-    _subscriptions.point(subscriptions)
-    _incubator.point(_system.actorOf(Incubator.props(subscriptions)))
-  }
-
-  def start(system: ActorSystem): Unit = synchronized {
-    _system = system
-    _start
-    _system = null
-  }
-}
-
-private[kamon] object TracerImpl {
-
-  def apply(metricsExtension: Metrics, config: Config) =
-    new TracerImpl(metricsExtension, config)
-}
-
-case class TraceInfo(name: String, token: String, timestamp: NanoTimestamp, elapsedTime: NanoInterval, metadata: Map[String, String], segments: List[SegmentInfo])
-case class SegmentInfo(name: String, category: String, library: String, timestamp: NanoTimestamp, elapsedTime: NanoInterval, metadata: Map[String, String])
\ No newline at end of file