Made queues static so all classes can access them in a static way instead of adding references everywhere.

src/main/java/controller/src/Controller.java

@@ -4,10 +4,6 @@
  */
 package controller.src;
 
-import java.util.Queue;
-
 public interface Controller {
     public void start();
-    public void setControllerToViewQueue(Queue<ControllerToViewData> queueControllerToView);
-    public void setViewToControllerQueue(Queue<ViewToControllerData> queueViewToController);
 }

src/main/java/gui/src/View.java

@@ -4,13 +4,6 @@
  */
 package gui.src;
 
-import java.util.Queue;
-
-import controller.src.ControllerToViewData;
-import controller.src.ViewToControllerData;
-
 public interface View {
     public void start();
-    public void setControllerToViewQueue(Queue<ControllerToViewData> queueControllerToView);
-    public void setViewToControllerQueue(Queue<ViewToControllerData> queueViewToController);
 }

src/main/java/gui/src/ViewThread.java

@@ -4,18 +4,11 @@
  */
 package gui.src;
 
-import java.util.Queue;
-
-import controller.src.ControllerToViewData;
-import controller.src.ViewToControllerData;
 import gui.src.frames.MainFrame;
 
 public class ViewThread extends Thread implements View {
     private static final String className = "ViewThread";
 
-    private Queue<ControllerToViewData> controllerToViewQueue;
-    private Queue<ViewToControllerData> viewToControllerQueue;
-
     public void run() {
         MainFrame.start();
         printMessage("Swing ui thread was started.");
@@ -28,12 +21,4 @@ public class ViewThread extends Thread implements View {
     private static void printMessage(String message) {
         System.out.println(className + ": " + message);
     }
-
-    public void setControllerToViewQueue(Queue<ControllerToViewData> controllerToViewQueue) {
-        this.controllerToViewQueue = controllerToViewQueue;
-    }
-
-    public void setViewToControllerQueue(Queue<ViewToControllerData> viewToControllerQueue) {
-        this.viewToControllerQueue = viewToControllerQueue;
-    }
 }

src/main/java/main/src/Main.java

@@ -4,31 +4,31 @@
  */
 package main.src;
 
-import java.util.Queue;
-import java.util.concurrent.ConcurrentLinkedQueue;
-
 import controller.src.Controller;
 import controller.src.ControllerThread;
-import controller.src.ControllerToViewData;
-import controller.src.ViewToControllerData;
+
 import gui.src.View;
 import gui.src.ViewThread;
+
 import logger.src.MessageLogger;
+
 import model.src.ModelRepresentation;
 
+import queues.src.ControllerToViewQueue;
+import queues.src.ViewToControllerQueue;
+
 public final class Main {
     private static final String className = "Main";
 
     public static void main(String[] args) {
 
-        Queue<ControllerToViewData> controllerToViewQueue = new ConcurrentLinkedQueue<ControllerToViewData>();
-        Queue<ViewToControllerData> viewToControllerQueue = new ConcurrentLinkedQueue<ViewToControllerData>();
+        ControllerToViewQueue.getInstance();
+        MessageLogger.printMessage(className, "ControllerToViewQueue was created.");
+        ViewToControllerQueue.getInstance();
+        MessageLogger.printMessage(className, "ViewToControllerQueue was created.");
 
         View view = new ViewThread();
         MessageLogger.printMessage(className, "View was created.");
-        view.setControllerToViewQueue(controllerToViewQueue);
-        view.setViewToControllerQueue(viewToControllerQueue);
-        MessageLogger.printMessage(className, "Queues were added to view.");
         view.start();
         MessageLogger.printMessage(className, "View was started.");
 
@@ -37,9 +37,6 @@ public final class Main {
 
         Controller controller = new ControllerThread(view, model);
         MessageLogger.printMessage(className, "Controller was created.");
-        controller.setControllerToViewQueue(controllerToViewQueue);
-        controller.setViewToControllerQueue(viewToControllerQueue);
-        MessageLogger.printMessage(className, "Queues were added to controller.");
         controller.start();
         MessageLogger.printMessage(className, "Controller was started.");
     }

src/main/java/queues/src/ControllerToViewQueue.java

@@ -0,0 +1,18 @@
+/**
+ * @author Aaron Moser
+ * @date 04.12.2023
+ */
+package queues.src;
+
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class ControllerToViewQueue extends ConcurrentLinkedQueue<ControllerToViewQueue> {
+    private static ControllerToViewQueue controllerToViewQueueInstance;
+
+    public static ControllerToViewQueue getInstance() {
+        if (null == controllerToViewQueueInstance) {
+            controllerToViewQueueInstance = new ControllerToViewQueue();
+        }
+        return controllerToViewQueueInstance;
+    }
+}

src/main/java/queues/src/ViewToControllerQueue.java

@@ -0,0 +1,23 @@
+/**
+ * @author Aaron Moser
+ * @date 04.12.2023
+ */
+package queues.src;
+
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+import data.src.ViewToControllerData;
+
+/**
+ * 
+ */
+public class ViewToControllerQueue extends ConcurrentLinkedQueue<ViewToControllerData> {
+    private static ViewToControllerQueue viewToControllerQueueInstance;
+
+    public static ViewToControllerQueue getInstance() {
+        if (null == viewToControllerQueueInstance) {
+            viewToControllerQueueInstance = new ViewToControllerQueue();
+        }
+        return viewToControllerQueueInstance;
+    }
+}