src/main/java/com/example/SubActor.java gelöscht

This commit is contained in:
egor.rutkowski 2024-07-02 21:24:26 +02:00
parent fb249b94a9
commit a633559cc3
1 changed files with 0 additions and 218 deletions

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@ -1,218 +0,0 @@
package com.example;
import akka.actor.typed.ActorRef;
import akka.actor.typed.Behavior;
import akka.actor.typed.javadsl.*;
import java.time.Duration;
import java.util.Objects;
public class SubActor extends AbstractBehavior<SubActor.Message> {
//Timer, um bei den Berechnungen eine Sekunde lang zu warten
TimerScheduler<Message> timer;
Expression expression;
//Zeichen für die Operation (Add, Sub, Mul) welche benutzt wird
String operationString;
//Referenz auf den initialen Actor
ActorRef<Actor.Message> initial;
//Referenz auf den (potenziellen) OberSubActor. Es ist immer entweder initial oder oberActor null.
ActorRef<SubActor.Message> oberActor;
//Linke Seite: true, Rechte Seite: false um zu wissen welche Seite des Ausdrucks berechnet wird.
boolean side;
//Zurückgegebener String & Integer von der linken Seite
String leftString;
int leftInt;
//Zurückgegebener String & Integer von der rechten Seite
String rightString;
int rightInt;
public interface Message {}
//Message kommt von dem initialen Actor
public record PrintAndEvaluate(ActorRef<Actor.Message> sender,Expression expression, Boolean side) implements Message{ }
//Message kommt von einem anderen SubActor
public record SubPrintAndEvaluate(ActorRef<SubActor.Message> sender,Expression expression, Boolean side) 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{ }
//Nachricht an sich selbst, um nach einer Sekunde Wartezeit das Ergebnis zu berechnen
public record Compute() implements Message{}
private SubActor(ActorContext<SubActor.Message> context, TimerScheduler<Message> timer){
super(context);
this.timer = timer;
}
public static Behavior<SubActor.Message> create(){
return Behaviors.setup(context -> Behaviors.withTimers(timers -> new SubActor(context,timers)));
}
@Override
public Receive<SubActor.Message> createReceive(){
return newReceiveBuilder()
.onMessage(PrintAndEvaluate.class, this::onPrintAndEvaluate)
.onMessage(SubPrintAndEvaluate.class, this::onSubPrintAndEvaluate)
.onMessage(LeftResponse.class, this::onLeftResponse)
.onMessage(RightResponse.class, this::onRightResponse)
.onMessage(Compute.class, this::onComputeMessage)
.build();
}
//Die Nachricht von dem initialen Actor wird verarbeitet.
//Dabei wird seine Referenz in @initial gespeichert
public Behavior<Message> onPrintAndEvaluate(PrintAndEvaluate message) {
this.initial = message.sender;
this.expression = message.expression;
this.side = message.side;
//Wenn initial nur Val übergeben wird einfach ausgeben ansonsten UnterActors erstellen
if (Objects.requireNonNull(expression) instanceof Expression.Add add) {
this.operationString = "+";
ActorRef<Message> subActorLeft = getContext().spawnAnonymous(SubActor.create());
subActorLeft.tell(new SubPrintAndEvaluate(getContext().getSelf(), add.left(), true));
ActorRef<Message> subActorRight = getContext().spawnAnonymous(SubActor.create());
subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(), add.right(), false));
} else if (expression instanceof Expression.Sub sub) {
this.operationString = "-";
ActorRef<Message> subActorLeft = getContext().spawnAnonymous(SubActor.create());
subActorLeft.tell(new SubPrintAndEvaluate(getContext().getSelf(),sub.left(), true));
ActorRef<Message> subActorRight = getContext().spawnAnonymous(SubActor.create());
subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),sub.right(), false));
} else if (expression instanceof Expression.Mul mul) {
this.operationString = "*";
ActorRef<Message> subActorLeft = getContext().spawnAnonymous(SubActor.create());
subActorLeft.tell(new SubPrintAndEvaluate(getContext().getSelf(),mul.left(), true));
ActorRef<Message> subActorRight = getContext().spawnAnonymous(SubActor.create());
subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),mul.right(), false));
} else if (expression instanceof Expression.Val val) {
if(side == true){
initial.tell(new Actor.LeftResponse(String.valueOf(val.inner()), val.inner()));
}else{
initial.tell(new Actor.RightResponse(String.valueOf(val.inner()), val.inner()));
}
}
return this;
}
//Nachricht von dem SubActor, von welchem dieser SubActor erstellt wurde, wird verarbeitet.
//Dabei wird seine Referenz in oberActor gespeichert.
public Behavior<Message> onSubPrintAndEvaluate(SubPrintAndEvaluate message){
this.oberActor = message.sender;
this.expression = message.expression;
this.side = message.side;
//Wenn initial nur Val übergeben wird einfach ausgeben ansonsten UnterActors erstellen
if (Objects.requireNonNull(expression) instanceof Expression.Add add) {
this.operationString = "+";
ActorRef<Message> subActorLeft = getContext().spawnAnonymous(SubActor.create());
subActorLeft.tell(new SubPrintAndEvaluate(getContext().getSelf(),add.left(), true));
ActorRef<Message> subActorRight = getContext().spawnAnonymous(SubActor.create());
subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),add.right(), false));
}
else if (expression instanceof Expression.Sub sub) {
this.operationString = "-";
ActorRef<Message> subActorLeft = getContext().spawnAnonymous(SubActor.create());
subActorLeft.tell(new SubPrintAndEvaluate(getContext().getSelf(),sub.left(), true));
ActorRef<Message> subActorRight = getContext().spawnAnonymous(SubActor.create());
subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),sub.right(), false));
}
else if (expression instanceof Expression.Mul mul) {
this.operationString = "*";
ActorRef<Message> subActorLeft = getContext().spawnAnonymous(SubActor.create());
subActorLeft.tell(new SubPrintAndEvaluate(getContext().getSelf(),mul.left(), true));
ActorRef<Message> subActorRight = getContext().spawnAnonymous(SubActor.create());
subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),mul.right(), false));
} else if (expression instanceof Expression.Val val) {
if(side == true){
oberActor.tell(new SubActor.LeftResponse(String.valueOf(val.inner()), val.inner()));
}else{
oberActor.tell(new SubActor.RightResponse(String.valueOf(val.inner()), val.inner()));
}
}
return this;
}
public Behavior<Message> onLeftResponse(LeftResponse response){
this.leftString = response.string;
this.leftInt = response.wert;
if(this.rightString != null){
timer.startSingleTimer(new Compute(), Duration.ofSeconds(1));
}
return this;
}
public Behavior<Message> onRightResponse(RightResponse response){
this.rightString = response.string;
this.rightInt = response.wert;
if(this.leftString != null){
timer.startSingleTimer(new Compute(), Duration.ofSeconds(1));
}
return this;
}
private Behavior<Message> onComputeMessage(Compute response) {
if (oberActor != null) {
//side == true bedeutet, dass dieser Actor das linke Kind ist und es wird LeftResponse geschickt
if (side == true) {
if (operationString.equals("+")) {
oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
leftInt + rightInt));
} else if (operationString.equals("-")) {
oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
leftInt - rightInt));
} else {
oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
leftInt * rightInt));
}
} else {
if (operationString.equals("+")) {
oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
leftInt + rightInt));
} else if (operationString.equals("-")) {
oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
leftInt - rightInt));
} else {
oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
leftInt * rightInt));
}
}
} else {
if (side == true) {
if (operationString.equals("+")) {
initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
leftInt + rightInt));
} else if (operationString.equals("-")) {
initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
leftInt - rightInt));
} else {
initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
leftInt * rightInt));
}
} else {
if (operationString.equals("+")) {
initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
leftInt + rightInt));
} else if (operationString.equals("-")) {
initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
leftInt - rightInt));
} else {
initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
leftInt * rightInt));
}
}
}
return this;
}
}