Call correct method for shutting down the ActorSystem (#460)

* [#459] call correct method for shutting down the ActorSystem

* [#459] fix scala 2.10 / akka 2.3 compatibility

1 files changed, 25 insertions, 0 deletions

diff --git a/kamon-core/src/main/scala/kamon/ActorSystemTools.scala b/kamon-core/src/main/scala/kamon/ActorSystemTools.scala
new file mode 100644
index 00000000..5e7149ce
--- /dev/null
+++ b/kamon-core/src/main/scala/kamon/ActorSystemTools.scala
@@ -0,0 +1,25 @@
+/* =========================================================================================
+ * Copyright © 2013-2016 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
+
+import akka.actor.ActorSystem
+
+object ActorSystemTools {
+  private[kamon] def terminateActorSystem(system: ActorSystem): Unit = {
+    // Use system.shutdown() if it exists (akka 2.4 and lower), system.terminate() otherwise (akka 2.5+)
+    system.getClass.getMethods.find(_.getName == "shutdown").map(_.invoke(system))
+      .getOrElse(system.getClass.getMethod("terminate").invoke(system))
+  }
+}