Aufgabe 2.4
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@ -53,12 +53,16 @@ public class Greeter extends AbstractBehavior<Greeter.Greet> {
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// #greeter
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}
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public static Behavior<Greet> create() {
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return Behaviors.setup(Greeter::new);
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private final int max;
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private int greetingCounter;
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public static Behavior<Greet> create(int max) {
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return Behaviors.setup(context -> new Greeter(context, max));
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}
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private Greeter(ActorContext<Greet> context) {
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private Greeter(ActorContext<Greet> context, int max) {
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super(context);
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this.max = max;
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}
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@Override
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@ -67,11 +71,16 @@ public class Greeter extends AbstractBehavior<Greeter.Greet> {
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}
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private Behavior<Greet> onGreet(Greet command) {
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getContext().getLog().info("Hello {}!", command.whom);
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//#greeter-send-message
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command.replyTo.tell(new Greeted(command.whom, getContext().getSelf()));
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//#greeter-send-message
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return this;
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this.greetingCounter++;
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getContext().getLog().info("Hello {}! ({})", command.whom, this.greetingCounter);
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if (this.greetingCounter == max) {
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return Behaviors.stopped();
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} else {
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//#greeter-send-message
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command.replyTo.tell(new Greeted(command.whom, getContext().getSelf()));
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//#greeter-send-message
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return this;
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}
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}
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}
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// #greeter
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@ -5,16 +5,12 @@ import akka.actor.typed.javadsl.*;
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public class GreeterBot extends AbstractBehavior<Greeter.Greeted> {
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public static Behavior<Greeter.Greeted> create(int max) {
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return Behaviors.setup(context -> new GreeterBot(context, max));
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public static Behavior<Greeter.Greeted> create() {
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return Behaviors.setup(GreeterBot::new);
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}
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private final int max;
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private int greetingCounter;
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private GreeterBot(ActorContext<Greeter.Greeted> context, int max) {
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private GreeterBot(ActorContext<Greeter.Greeted> context) {
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super(context);
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this.max = max;
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}
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@Override
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@ -23,13 +19,8 @@ public class GreeterBot extends AbstractBehavior<Greeter.Greeted> {
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}
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private Behavior<Greeter.Greeted> onGreeted(Greeter.Greeted message) {
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greetingCounter++;
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getContext().getLog().info("Greeting {} for {}", greetingCounter, message.whom);
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if (greetingCounter == max) {
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return Behaviors.stopped();
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} else {
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getContext().getLog().info("Greeting for {}", message.whom);
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message.from.tell(new Greeter.Greet(message.whom, getContext().getSelf()));
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return this;
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}
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}
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}
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@ -23,7 +23,7 @@ public class GreeterMain extends AbstractBehavior<GreeterMain.SayHello> {
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private GreeterMain(ActorContext<SayHello> context) {
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super(context);
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//#create-actors
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greeter = context.spawn(Greeter.create(), "greeter");
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greeter = context.spawn(Greeter.create(6), "greeter");
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//#create-actors
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}
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@ -35,7 +35,7 @@ public class GreeterMain extends AbstractBehavior<GreeterMain.SayHello> {
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private Behavior<SayHello> onSayHello(SayHello command) {
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//#create-actors
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ActorRef<Greeter.Greeted> replyTo =
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getContext().spawn(GreeterBot.create(6), command.name);
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getContext().spawn(GreeterBot.create(), command.name);
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greeter.tell(new Greeter.Greet(command.name, replyTo));
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//#create-actors
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return this;
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