Issue 24594: Integration with sbt-headers and initial header population
This commit is contained in:
Konrad `ktoso` Malawski
Johan Andrén
parent
95afa04a7a
commit
563c7fbcf0
1558 changed files with 2995 additions and 490 deletions
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@ -1,49 +1,50 @@
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/**
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* Copyright (C) 2009-2018 Lightbend Inc. <https://www.lightbend.com>
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*/
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package jdocs.pattern;
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import akka.actor.*;
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import akka.pattern.Backoff;
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import akka.pattern.BackoffSupervisor;
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import akka.testkit.TestActors.EchoActor;
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//#backoff-imports
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import scala.concurrent.duration.Duration;
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//#backoff-imports
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import java.util.concurrent.TimeUnit;
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public class BackoffSupervisorDocTest {
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void exampleStop (ActorSystem system) {
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//#backoff-stop
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final Props childProps = Props.create(EchoActor.class);
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final Props supervisorProps = BackoffSupervisor.props(
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Backoff.onStop(
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childProps,
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"myEcho",
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Duration.create(3, TimeUnit.SECONDS),
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Duration.create(30, TimeUnit.SECONDS),
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0.2)); // adds 20% "noise" to vary the intervals slightly
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system.actorOf(supervisorProps, "echoSupervisor");
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//#backoff-stop
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}
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void exampleFailure (ActorSystem system) {
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//#backoff-fail
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final Props childProps = Props.create(EchoActor.class);
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final Props supervisorProps = BackoffSupervisor.props(
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Backoff.onFailure(
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childProps,
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"myEcho",
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Duration.create(3, TimeUnit.SECONDS),
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Duration.create(30, TimeUnit.SECONDS),
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0.2)); // adds 20% "noise" to vary the intervals slightly
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system.actorOf(supervisorProps, "echoSupervisor");
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//#backoff-fail
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}
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}
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/**
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* Copyright (C) 2009-2018 Lightbend Inc. <https://www.lightbend.com>
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*/
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package jdocs.pattern;
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import akka.actor.*;
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import akka.pattern.Backoff;
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import akka.pattern.BackoffSupervisor;
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import akka.testkit.TestActors.EchoActor;
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//#backoff-imports
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import scala.concurrent.duration.Duration;
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//#backoff-imports
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import java.util.concurrent.TimeUnit;
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public class BackoffSupervisorDocTest {
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void exampleStop (ActorSystem system) {
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//#backoff-stop
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final Props childProps = Props.create(EchoActor.class);
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final Props supervisorProps = BackoffSupervisor.props(
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Backoff.onStop(
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childProps,
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"myEcho",
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Duration.create(3, TimeUnit.SECONDS),
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Duration.create(30, TimeUnit.SECONDS),
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0.2)); // adds 20% "noise" to vary the intervals slightly
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system.actorOf(supervisorProps, "echoSupervisor");
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//#backoff-stop
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}
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void exampleFailure (ActorSystem system) {
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//#backoff-fail
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final Props childProps = Props.create(EchoActor.class);
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final Props supervisorProps = BackoffSupervisor.props(
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Backoff.onFailure(
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childProps,
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"myEcho",
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Duration.create(3, TimeUnit.SECONDS),
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Duration.create(30, TimeUnit.SECONDS),
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0.2)); // adds 20% "noise" to vary the intervals slightly
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system.actorOf(supervisorProps, "echoSupervisor");
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//#backoff-fail
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}
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}
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@ -1,106 +1,110 @@
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package jdocs.pattern;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.TimeoutException;
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import scala.concurrent.duration.Duration;
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import akka.actor.ActorKilledException;
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import akka.actor.ActorRef;
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import akka.actor.ActorRefFactory;
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import akka.actor.Cancellable;
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import akka.actor.OneForOneStrategy;
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import akka.actor.Props;
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import akka.actor.Scheduler;
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import akka.actor.Status;
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import akka.actor.SupervisorStrategy;
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import akka.actor.Terminated;
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import akka.actor.AbstractActor;
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import akka.pattern.PatternsCS;
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import akka.util.Timeout;
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public class SupervisedAsk {
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private static class AskParam {
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Props props;
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Object message;
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Timeout timeout;
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AskParam(Props props, Object message, Timeout timeout) {
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this.props = props;
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this.message = message;
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this.timeout = timeout;
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}
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}
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private static class AskTimeout {
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}
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public static class AskSupervisorCreator extends AbstractActor {
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@Override
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public Receive createReceive() {
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return receiveBuilder()
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.match(AskParam.class, message -> {
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ActorRef supervisor = getContext().actorOf(
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Props.create(AskSupervisor.class));
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supervisor.forward(message, getContext());
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})
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.build();
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}
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}
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public static class AskSupervisor extends AbstractActor {
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private ActorRef targetActor;
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private ActorRef caller;
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private AskParam askParam;
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private Cancellable timeoutMessage;
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@Override
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public SupervisorStrategy supervisorStrategy() {
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return new OneForOneStrategy(0, Duration.Zero(), cause -> {
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caller.tell(new Status.Failure(cause), getSelf());
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return SupervisorStrategy.stop();
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});
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}
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@Override
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public Receive createReceive() {
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return receiveBuilder()
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.match(AskParam.class, message -> {
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askParam = message;
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caller = getSender();
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targetActor = getContext().actorOf(askParam.props);
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getContext().watch(targetActor);
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targetActor.forward(askParam.message, getContext());
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Scheduler scheduler = getContext().getSystem().scheduler();
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timeoutMessage = scheduler.scheduleOnce(askParam.timeout.duration(),
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getSelf(), new AskTimeout(), getContext().dispatcher(), null);
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})
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.match(Terminated.class, message -> {
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Throwable ex = new ActorKilledException("Target actor terminated.");
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caller.tell(new Status.Failure(ex), getSelf());
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timeoutMessage.cancel();
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getContext().stop(getSelf());
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})
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.match(AskTimeout.class, message -> {
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Throwable ex = new TimeoutException("Target actor timed out after "
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+ askParam.timeout.toString());
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caller.tell(new Status.Failure(ex), getSelf());
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getContext().stop(getSelf());
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})
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.build();
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}
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}
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public static CompletionStage<Object> askOf(ActorRef supervisorCreator, Props props,
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Object message, Timeout timeout) {
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AskParam param = new AskParam(props, message, timeout);
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return PatternsCS.ask(supervisorCreator, param, timeout);
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}
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synchronized public static ActorRef createSupervisorCreator(
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ActorRefFactory factory) {
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return factory.actorOf(Props.create(AskSupervisorCreator.class));
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}
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/*
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* Copyright (C) 2018 Lightbend Inc. <https://www.lightbend.com>
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*/
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package jdocs.pattern;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.TimeoutException;
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import scala.concurrent.duration.Duration;
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import akka.actor.ActorKilledException;
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import akka.actor.ActorRef;
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import akka.actor.ActorRefFactory;
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import akka.actor.Cancellable;
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import akka.actor.OneForOneStrategy;
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import akka.actor.Props;
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import akka.actor.Scheduler;
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import akka.actor.Status;
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import akka.actor.SupervisorStrategy;
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import akka.actor.Terminated;
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import akka.actor.AbstractActor;
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import akka.pattern.PatternsCS;
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import akka.util.Timeout;
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public class SupervisedAsk {
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private static class AskParam {
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Props props;
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Object message;
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Timeout timeout;
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AskParam(Props props, Object message, Timeout timeout) {
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this.props = props;
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this.message = message;
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this.timeout = timeout;
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}
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}
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private static class AskTimeout {
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}
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public static class AskSupervisorCreator extends AbstractActor {
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@Override
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public Receive createReceive() {
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return receiveBuilder()
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.match(AskParam.class, message -> {
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ActorRef supervisor = getContext().actorOf(
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Props.create(AskSupervisor.class));
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supervisor.forward(message, getContext());
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})
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.build();
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}
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}
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public static class AskSupervisor extends AbstractActor {
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private ActorRef targetActor;
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private ActorRef caller;
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private AskParam askParam;
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private Cancellable timeoutMessage;
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@Override
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public SupervisorStrategy supervisorStrategy() {
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return new OneForOneStrategy(0, Duration.Zero(), cause -> {
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caller.tell(new Status.Failure(cause), getSelf());
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return SupervisorStrategy.stop();
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});
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}
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@Override
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public Receive createReceive() {
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return receiveBuilder()
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.match(AskParam.class, message -> {
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askParam = message;
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caller = getSender();
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targetActor = getContext().actorOf(askParam.props);
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getContext().watch(targetActor);
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targetActor.forward(askParam.message, getContext());
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Scheduler scheduler = getContext().getSystem().scheduler();
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timeoutMessage = scheduler.scheduleOnce(askParam.timeout.duration(),
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getSelf(), new AskTimeout(), getContext().dispatcher(), null);
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})
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.match(Terminated.class, message -> {
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Throwable ex = new ActorKilledException("Target actor terminated.");
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caller.tell(new Status.Failure(ex), getSelf());
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timeoutMessage.cancel();
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getContext().stop(getSelf());
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})
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.match(AskTimeout.class, message -> {
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Throwable ex = new TimeoutException("Target actor timed out after "
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+ askParam.timeout.toString());
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caller.tell(new Status.Failure(ex), getSelf());
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getContext().stop(getSelf());
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})
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.build();
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}
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}
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public static CompletionStage<Object> askOf(ActorRef supervisorCreator, Props props,
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Object message, Timeout timeout) {
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AskParam param = new AskParam(props, message, timeout);
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return PatternsCS.ask(supervisorCreator, param, timeout);
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}
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synchronized public static ActorRef createSupervisorCreator(
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ActorRefFactory factory) {
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return factory.actorOf(Props.create(AskSupervisorCreator.class));
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}
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}
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@ -1,30 +1,34 @@
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package jdocs.pattern;
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import akka.actor.ActorRef;
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import akka.actor.ActorRefFactory;
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import akka.actor.Props;
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import akka.actor.AbstractActor;
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import akka.util.Timeout;
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import scala.concurrent.duration.FiniteDuration;
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import java.util.concurrent.CompletionStage;
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public class SupervisedAskSpec {
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public Object execute(Class<? extends AbstractActor> someActor,
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Object message, Timeout timeout, ActorRefFactory actorSystem)
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throws Exception {
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// example usage
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try {
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ActorRef supervisorCreator = SupervisedAsk
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.createSupervisorCreator(actorSystem);
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CompletionStage<Object> finished = SupervisedAsk.askOf(supervisorCreator,
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Props.create(someActor), message, timeout);
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FiniteDuration d = timeout.duration();
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return finished.toCompletableFuture().get(d.length(), d.unit());
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} catch (Exception e) {
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// exception propagated by supervision
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throw e;
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}
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}
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}
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/*
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* Copyright (C) 2018 Lightbend Inc. <https://www.lightbend.com>
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*/
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package jdocs.pattern;
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import akka.actor.ActorRef;
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import akka.actor.ActorRefFactory;
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import akka.actor.Props;
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import akka.actor.AbstractActor;
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import akka.util.Timeout;
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import scala.concurrent.duration.FiniteDuration;
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import java.util.concurrent.CompletionStage;
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public class SupervisedAskSpec {
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public Object execute(Class<? extends AbstractActor> someActor,
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Object message, Timeout timeout, ActorRefFactory actorSystem)
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throws Exception {
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// example usage
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try {
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ActorRef supervisorCreator = SupervisedAsk
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.createSupervisorCreator(actorSystem);
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CompletionStage<Object> finished = SupervisedAsk.askOf(supervisorCreator,
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Props.create(someActor), message, timeout);
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FiniteDuration d = timeout.duration();
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return finished.toCompletableFuture().get(d.length(), d.unit());
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} catch (Exception e) {
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// exception propagated by supervision
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throw e;
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}
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}
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}
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