From f9c07cebd9b16ade721cfe194ed99b06e3d7cd8c Mon Sep 17 00:00:00 2001
From: "egor.rutkowski" <egor.rutkowski@noreply.example.org>
Date: Tue, 2 Jul 2024 21:35:07 +0200
Subject: [PATCH] revert fb249b94a98d3c884f2d9757d7120413b0cb2cb8
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revert src/main/java/com/example/Actor.java gelöscht
---
 src/main/java/com/example/Actor.java | 127 +++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 src/main/java/com/example/Actor.java

diff --git a/src/main/java/com/example/Actor.java b/src/main/java/com/example/Actor.java
new file mode 100644
index 0000000..d0e55de
--- /dev/null
+++ b/src/main/java/com/example/Actor.java
@@ -0,0 +1,127 @@
+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;
+import akka.actor.typed.javadsl.*;
+
+import java.time.Duration;
+import java.util.Objects;
+import java.util.logging.Logger;
+
+public class Actor extends AbstractBehavior<Actor.Message> {
+
+    //Timer für die Berechnung
+    final TimerScheduler<Message> timer;
+    //Zurückgegebener String & Integer von der linken Seite
+    String leftString;
+    int leftInt;
+
+    //Zurückgegebener String & Integer von der rechten Seite
+    String rightString;
+    int rightInt;
+
+    //Zeichen für die Operation (Add, Sub, Mul) welche benutzt wird
+    String operationString;
+
+    String name;
+    Expression expression;
+    public interface Message{}
+
+    public record Compute() implements Message{}
+
+    public record PrintAndEvaluate(Expression expression) implements Message{}
+
+    //Antwort von dem linken Kind
+    public record LeftResponse(String string, int wert) implements Message{}
+
+    //Antwort von dem rechten Kind
+    public record RightResponse(String string, int wert) implements Message{}
+
+    private Actor(ActorContext<Message> context, String name, TimerScheduler<Message> timer){
+        super(context);
+        this.name = name;
+        this.timer = timer;
+    }
+
+    public static Behavior<Actor.Message> create(String name){
+        return Behaviors.setup(context -> Behaviors.withTimers(timers -> new Actor(context, name, timers)));
+    }
+
+    @Override
+    public Receive<Actor.Message> createReceive(){
+        return newReceiveBuilder()
+                .onMessage(PrintAndEvaluate.class, this::onPrintAndEvaluate)
+                .onMessage(LeftResponse.class, this::onLeftResponse)
+                .onMessage(RightResponse.class, this::onRightResponse)
+                .onMessage(Compute.class, this::onComputeMessage)
+                .build();
+    }
+
+    private Behavior<Message> onPrintAndEvaluate(PrintAndEvaluate message){
+        this.expression = message.expression;
+        //Wenn initial nur Val übergeben wird → einfach ausgeben ansonsten UnterActors erstellen
+        if (Objects.requireNonNull(expression) instanceof Expression.Add add) {
+            this.operationString = "+";
+            ActorRef<SubActor.Message> LeftSubActor = getContext().spawnAnonymous(SubActor.create());
+            LeftSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),add.left(), true));
+            ActorRef<SubActor.Message> RightSubActor = getContext().spawnAnonymous(SubActor.create());
+            RightSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),add.right(), false));
+        }
+        else if (expression instanceof Expression.Sub sub) {
+            this.operationString = "-";
+            ActorRef<SubActor.Message> LeftSubActor = getContext().spawnAnonymous(SubActor.create());
+            LeftSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),sub.left(), true));
+            ActorRef<SubActor.Message> RightSubActor = getContext().spawnAnonymous(SubActor.create());
+            RightSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),sub.right(), false));
+        }
+        else if (expression instanceof Expression.Mul mul) {
+            this.operationString = "*";
+            ActorRef<SubActor.Message> LeftSubActor = getContext().spawnAnonymous(SubActor.create());
+            LeftSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),mul.left(), true));
+            ActorRef<SubActor.Message> RightSubActor = getContext().spawnAnonymous(SubActor.create());
+            RightSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),mul.right(), false));
+        } else if (expression instanceof Expression.Val val) {
+            logger.info(val.inner() + "");
+        }
+        return this;
+    }
+
+    Logger logger = Logger.getLogger(Actor.class.getName());
+
+    //Antwort von dem rechten Kind. Wenn beide Seiten geantwortet haben, wird eine Sekunde gewartet und dann das Ergebnis
+    //berechnet in Compute()
+    private Behavior<Message> onLeftResponse(LeftResponse response){
+        this.leftString = response.string;
+        this.leftInt = response.wert;
+        if(this.rightString != null){
+            this.timer.startSingleTimer(new Compute(),Duration.ofSeconds(1));
+        }
+        return this;
+    }
+
+    //Antwort von dem rechten Kind. Wenn beide Seiten geantwortet haben, wird eine Sekunde gewartet und dann das Ergebnis
+    //berechnet in Compute()
+    private Behavior<Message> onRightResponse(RightResponse response){
+        this.rightString = response.string;
+        this.rightInt = response.wert;
+        if(this.leftString != null){
+            this.timer.startSingleTimer(new Compute(),Duration.ofSeconds(1));
+        }
+        return this;
+    }
+
+    private Behavior<Message> onComputeMessage(Compute response){
+        if(operationString.equals("+")){
+            logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt + rightInt));
+        } else if (operationString.equals("-")) {
+            logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt - rightInt));
+        }else{
+            logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt * rightInt));
+        }
+        return this;
+    }
+}