implement Span propagation on top of Kamon.Context

1 files changed, 0 insertions, 46 deletions

diff --git a/kamon-core/src/main/scala/kamon/util/Mixin.scala b/kamon-core/src/main/scala/kamon/util/Mixin.scala
deleted file mode 100644
index 2fd7be24..00000000
--- a/kamon-core/src/main/scala/kamon/util/Mixin.scala
+++ /dev/null
@@ -1,46 +0,0 @@
-/* =========================================================================================
- * Copyright © 2013-2017 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
-package util
-
-import kamon.trace.Span
-
-
-/**
-  * Utility trait that marks objects carrying a reference to a Span.
-  *
-  */
-trait HasSpan {
-  def span: Span
-}
-
-object HasSpan {
-  private case class Default(span: Span) extends HasSpan
-
-  /**
-    * Construct a HasSpan instance that references the provided Span.
-    *
-    */
-  def from(span: Span): HasSpan =
-    Default(span)
-
-  /**
-    * Construct a HasSpan instance that references the currently ActiveSpan in Kamon's tracer.
-    *
-    */
-  def fromActiveSpan(): HasSpan =
-    Default(Kamon.activeSpan())
-}