fr.acinq.eclair.SimpleSupervisor.scala Maven / Gradle / Ivy
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/*
* Copyright 2019 ACINQ SAS
*
* 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 fr.acinq.eclair
import akka.actor.{Actor, ActorLogging, OneForOneStrategy, Props, SupervisorStrategy}
import scala.concurrent.duration._
/**
* This supervisor will supervise a single child actor using the provided SupervisorStrategy
* All incoming messages will be forwarded to the child actor.
*
* Created by PM on 17/03/2017.
*/
class SimpleSupervisor(childProps: Props, childName: String, strategy: SupervisorStrategy.Directive) extends Actor with ActorLogging {
val child = context.actorOf(childProps, childName)
override def receive: Receive = {
case msg => child forward msg
}
// we allow at most within , otherwise the child actor is not restarted (this avoids restart loops)
override val supervisorStrategy = OneForOneStrategy(loggingEnabled = false, maxNrOfRetries = 100, withinTimeRange = 1 minute) {
case t =>
// log this as silent errors are dangerous
log.error(t, s"supervisor caught error for child=$childName strategy=$strategy ")
strategy
}
}
object SimpleSupervisor {
def props(childProps: Props, childName: String, strategy: SupervisorStrategy.Directive) = Props(new SimpleSupervisor(childProps, childName, strategy))
}