diff options
Diffstat (limited to 'kamon-core/src/main/scala/kamon/context/Mixin.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/context/Mixin.scala | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/context/Mixin.scala b/kamon-core/src/main/scala/kamon/context/Mixin.scala new file mode 100644 index 00000000..64e03748 --- /dev/null +++ b/kamon-core/src/main/scala/kamon/context/Mixin.scala @@ -0,0 +1,45 @@ +/* ========================================================================================= + * 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.context + +import kamon.Kamon + + +/** + * Utility trait that marks objects carrying a reference to a Span. + * + */ +trait HasContext { + def context: Context +} + +object HasContext { + private case class Default(context: Context) extends HasContext + + /** + * Construct a HasSpan instance that references the provided Span. + * + */ + def from(context: Context): HasContext = + Default(context) + + /** + * Construct a HasSpan instance that references the currently ActiveSpan in Kamon's tracer. + * + */ + def fromCurrentContext(): HasContext = + Default(Kamon.currentContext()) +} |