GCD
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@ -24,10 +24,11 @@ public class AkkaMainSystem extends AbstractBehavior<AkkaMainSystem.Create> {
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private Behavior<Create> onCreate(Create command) {
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//#create-actors
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ActorRef<ExampleActor.Message> a = this.getContext().spawn(ExampleActor.create("Alice"), "alice");
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ActorRef<C.Message> c = this.getContext().spawn(C.create(), "c");
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ActorRef<GCD.Message> gcd = this.getContext().spawn(GCD.create(), "gcd");
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//#create-actors
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a.tell(new ExampleActor.ExampleMessage(this.getContext().getSelf(),"Test123"));
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gcd.tell(new GCD.GCDMessage(127, 74, c));
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return this;
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}
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}
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@ -0,0 +1,34 @@
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package com.example;
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import akka.actor.typed.Behavior;
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import akka.actor.typed.javadsl.AbstractBehavior;
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import akka.actor.typed.javadsl.ActorContext;
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import akka.actor.typed.javadsl.Behaviors;
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import akka.actor.typed.javadsl.Receive;
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public class C extends AbstractBehavior<C.Message> {
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public interface Message {};
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public record CMessage(int i) implements Message { }
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public static Behavior<Message> create() {
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return Behaviors.setup(C::new);
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}
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private C(ActorContext<Message> context) {
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super(context);
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}
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@Override
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public Receive<Message> createReceive() {
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return newReceiveBuilder()
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.onMessage(CMessage.class, this::onCMessage)
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.build();
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}
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private Behavior<Message> onCMessage(CMessage msg) {
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getContext().getLog().info("{}", msg.i);
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return this;
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}
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}
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@ -1,35 +0,0 @@
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package com.example;
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import akka.actor.typed.ActorRef;
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import akka.actor.typed.Behavior;
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import akka.actor.typed.javadsl.*;
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public class ExampleActor extends AbstractBehavior<ExampleActor.Message> {
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public interface Message {};
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public record ExampleMessage(ActorRef<AkkaMainSystem.Create> someReference, String someString) implements Message { }
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public static Behavior<Message> create(String name) {
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return Behaviors.setup(context -> new ExampleActor(context, name));
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}
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private final String name;
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private ExampleActor(ActorContext<Message> context, String name) {
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super(context);
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this.name = name;
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}
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@Override
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public Receive<Message> createReceive() {
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return newReceiveBuilder()
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.onMessage(ExampleMessage.class, this::onExampleMessage)
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.build();
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}
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private Behavior<Message> onExampleMessage(ExampleMessage msg) {
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getContext().getLog().info("I ({}) got a message: ExampleMessage({},{})", this.name, msg.someReference, msg.someString);
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return this;
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}
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}
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@ -0,0 +1,39 @@
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package com.example;
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import akka.actor.typed.ActorRef;
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import akka.actor.typed.Behavior;
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import akka.actor.typed.javadsl.AbstractBehavior;
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import akka.actor.typed.javadsl.ActorContext;
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import akka.actor.typed.javadsl.Behaviors;
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import akka.actor.typed.javadsl.Receive;
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public class GCD extends AbstractBehavior<GCD.Message> {
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public interface Message {};
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public record GCDMessage(int a, int b, ActorRef<C.Message> cust) implements Message { }
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public static Behavior<Message> create() {
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return Behaviors.setup(GCD::new);
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}
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private GCD(ActorContext<Message> context) {
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super(context);
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}
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@Override
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public Receive<Message> createReceive() {
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return newReceiveBuilder()
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.onMessage(GCDMessage.class, this::onGCDMessage)
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.build();
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}
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private Behavior<Message> onGCDMessage(GCDMessage msg) {
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if(msg.b == 0) {
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msg.cust.tell(new C.CMessage(msg.a));
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} else {
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this.getContext().getSelf().tell(new GCDMessage(msg.b, msg.a % msg.b, msg.cust));
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}
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return this;
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}
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}
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