korolev.execution.package.scala Maven / Gradle / Ivy
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/*
* Copyright 2017-2018 Aleksey Fomkin
*
* 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 korolev
import java.util.concurrent.Executors
import scala.collection.concurrent.TrieMap
import scala.concurrent.{ExecutionContext, ExecutionContextExecutorService}
package object execution {
private val schedulerCache = TrieMap.empty[Any, Any]
implicit val defaultExecutor: ExecutionContextExecutorService =
ExecutionContext.fromExecutorService(Executors.newWorkStealingPool())
implicit def defaultScheduler[F[_]: Async]: Scheduler[F] = {
val async = Async[F]
val scheduler = schedulerCache.getOrElseUpdate(async, new JavaTimerScheduler[F])
scheduler.asInstanceOf[Scheduler[F]]
}
}