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Diffstat (limited to 'kamon-core/src/main/scala/kamon/util/TriemapAtomicGetOrElseUpdate.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/util/TriemapAtomicGetOrElseUpdate.scala | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/kamon-core/src/main/scala/kamon/util/TriemapAtomicGetOrElseUpdate.scala b/kamon-core/src/main/scala/kamon/util/TriemapAtomicGetOrElseUpdate.scala deleted file mode 100644 index d1197a5a..00000000 --- a/kamon-core/src/main/scala/kamon/util/TriemapAtomicGetOrElseUpdate.scala +++ /dev/null @@ -1,45 +0,0 @@ -/* - * ========================================================================================= - * 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 scala.collection.concurrent.TrieMap - -object TriemapAtomicGetOrElseUpdate { - - /** - * Workaround to the non thread-safe [[scala.collection.concurrent.TrieMap#getOrElseUpdate]] method. More details on - * why this is necessary can be found at [[https://issues.scala-lang.org/browse/SI-7943]]. - */ - implicit class Syntax[K, V](val trieMap: TrieMap[K, V]) extends AnyVal { - - def atomicGetOrElseUpdate(key: K, op: ⇒ V): V = - atomicGetOrElseUpdate(key, op, { v: V ⇒ Unit }) - - def atomicGetOrElseUpdate(key: K, op: ⇒ V, cleanup: V ⇒ Unit): V = - trieMap.get(key) match { - case Some(v) ⇒ v - case None ⇒ - val d = op - trieMap.putIfAbsent(key, d).map { oldValue ⇒ - // If there was an old value then `d` was never added - // and thus need to be cleanup. - cleanup(d) - oldValue - - } getOrElse (d) - } - } -} |