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Diffstat (limited to 'kamon-core/src/legacy-main/scala/kamon/util/FastDispatch.scala')
-rw-r--r-- | kamon-core/src/legacy-main/scala/kamon/util/FastDispatch.scala | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/kamon-core/src/legacy-main/scala/kamon/util/FastDispatch.scala b/kamon-core/src/legacy-main/scala/kamon/util/FastDispatch.scala new file mode 100644 index 00000000..7a94aefc --- /dev/null +++ b/kamon-core/src/legacy-main/scala/kamon/util/FastDispatch.scala @@ -0,0 +1,38 @@ +/* + * ========================================================================================= + * Copyright © 2013-2015 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.util + +import akka.actor.ActorRef + +import scala.concurrent.{ExecutionContext, Future} + +/** + * Extension for Future[ActorRef]. Try to dispatch a message to a Future[ActorRef] in the same thread if it has already + * completed or do the regular scheduling otherwise. Specially useful when using the ModuleSupervisor extension to + * create actors. + */ +object FastDispatch { + implicit class Syntax(val target: Future[ActorRef]) extends AnyVal { + + def fastDispatch(message: Any)(implicit ec: ExecutionContext): Unit = + if (target.isCompleted) + target.value.get.map(_ ! message) + else + target.map(_ ! message) + } + +} |