MNP_Projekt_2/src/main/java/com/example/AkkaMainSystem.java

package com.example;

import akka.actor.typed.ActorRef;
import akka.actor.typed.Behavior;
import akka.actor.typed.javadsl.AbstractBehavior;
import akka.actor.typed.javadsl.ActorContext;
import akka.actor.typed.javadsl.Behaviors;
import akka.actor.typed.javadsl.Receive;

public class AkkaMainSystem extends AbstractBehavior<AkkaMainSystem.Create> {

    public static class Create {
    }

    public static Behavior<Create> create() {
        return Behaviors.setup(AkkaMainSystem::new);
    }

    private AkkaMainSystem(ActorContext<Create> context) {
        super(context);
    }

    @Override
    public Receive<Create> createReceive() {
        return newReceiveBuilder().onMessage(Create.class, this::onCreate).build();
    }

    private Behavior<Create> onCreate(Create command) {
        //#create-actors
        Expression expression = Expression.generateExpression(6, 9);
        ActorRef<Actor.Message> computer = this.getContext().spawn(Actor.create("Rechner"), "Rechner");
        computer.tell(new Actor.PrintAndEvaluate(expression));
        //Vergleich mit dem Output der Berechnung
        System.out.println("SOLL:  "+expression+ "   Wert:" +expression.eval() + "   Runtime: " + expression.runtime());
        return this;
    }
}