monix.execution.schedulers.AdaptedThreadPoolExecutorMixin.scala Maven / Gradle / Ivy
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/*
* Copyright (c) 2014-2019 by The Monix Project Developers.
* See the project homepage at: https://monix.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 monix.execution.schedulers
import java.util.concurrent._
/** A mixin for adapting for the Java `ThreadPoolExecutor` implementation
* to report errors using the default thread exception handler.
*/
private[schedulers] trait AdaptedThreadPoolExecutorMixin { self: ThreadPoolExecutor =>
def reportFailure(t: Throwable): Unit
override def afterExecute(r: Runnable, t: Throwable): Unit = {
self.afterExecute(r, t)
var exception: Throwable = t
if ((exception eq null) && r.isInstanceOf[Future[_]]) {
try {
val future = r.asInstanceOf[Future[_]]
if (future.isDone) future.get()
} catch {
case ex: ExecutionException =>
exception = ex.getCause
case _: InterruptedException =>
// ignore/reset
Thread.currentThread().interrupt()
case _: CancellationException =>
() // ignore
}
}
if (exception ne null) reportFailure(exception)
}
}