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author | Ivan Topolnjak <ivantopo@gmail.com> | 2017-06-11 20:48:27 +0200 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2017-06-11 20:48:27 +0200 |
commit | ac4ef4dbda6e215eeb55c27cd4ac1e3ba2d6521b (patch) | |
tree | e743b5de227599d98dfd7ff9e32252b66a654bec /kamon-core/src/main/scala/kamon/util | |
parent | d9636988cd8acf789bf17bfd06407a6b5c15985b (diff) | |
download | Kamon-ac4ef4dbda6e215eeb55c27cd4ac1e3ba2d6521b.tar.gz Kamon-ac4ef4dbda6e215eeb55c27cd4ac1e3ba2d6521b.tar.bz2 Kamon-ac4ef4dbda6e215eeb55c27cd4ac1e3ba2d6521b.zip |
add utilily classes for working with Spans and Continuations
Diffstat (limited to 'kamon-core/src/main/scala/kamon/util')
-rw-r--r-- | kamon-core/src/main/scala/kamon/util/Mixin.scala | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/util/Mixin.scala b/kamon-core/src/main/scala/kamon/util/Mixin.scala new file mode 100644 index 00000000..f214e875 --- /dev/null +++ b/kamon-core/src/main/scala/kamon/util/Mixin.scala @@ -0,0 +1,43 @@ +/* ========================================================================================= + * 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 io.opentracing.ActiveSpan +import io.opentracing.ActiveSpan.Continuation + +/** + * Utility trait that marks objects carrying an ActiveSpan.Continuation. + */ +trait HasContinuation { + def continuation: Continuation +} + +object HasContinuation { + private class Default(val continuation: Continuation) extends HasContinuation + + /** + * Construct a HasContinuation instance by capturing a continuation from the provided active span. + */ + def from(activeSpan: ActiveSpan): HasContinuation = + new Default(activeSpan.capture()) + + /** + * Constructs a new HasContinuation instance using Kamon's tracer currently active span. + */ + def fromTracerActiveSpan(): HasContinuation = + new Default(Kamon.activeSpan().capture()) +} |