Introduce ExecutionTimeSubject

src/main/java/fabrik/simulator/pic16f84/ExecutionTimeSubject.java

@@ -0,0 +1,75 @@
+package fabrik.simulator.pic16f84;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import fabrik.simulator.pic16f84.interfaces.ExecutionTimeObserver;
+import fabrik.simulator.pic16f84.interfaces.PICComponentInterface;
+
+public abstract class ExecutionTimeSubject extends PICComponent implements PICComponentInterface{
+    private Set<ExecutionTimeObserver> observers;
+    
+    public ExecutionTimeSubject(){
+        super();
+        this.observers = new HashSet<>();
+    }
+
+
+    public void registerObserver(ExecutionTimeObserver observer){
+        observers.add(observer);
+    }
+
+    public void unregisterObserver(ExecutionTimeObserver observer){
+        observers.remove(observer);
+    }
+
+    protected void notifyObservers(){
+        for (final ExecutionTimeObserver each : observers){
+            notify(each);
+                    }
+                }
+             
+    protected void notify(final ExecutionTimeObserver observer) {
+        createNotifierFor(observer).start();
+    }
+            
+            
+    protected Thread createNotifierFor(ExecutionTimeObserver observer) {
+        return new Thread(){
+            public void run(){
+                try {
+                    observer.executionTimeChanged();
+                } catch (Exception e){
+                    e.printStackTrace();
+                    ExecutionTimeSubject.this.observers.remove(observer);
+                }
+            }
+        };
+    }
+        
+        
+    public double getTotalExecutionTime(){
+        throw new UnsupportedOperationException("No class implements ExecutionTimeSubject correctly!");
+    }
+    
+    public void addExecutionTime(int i){
+        throw new UnsupportedOperationException("No class implements ExecutionTimeSubject correctly!");
+    }
+
+    public double getExecutionTimeMultiplier(){
+        throw new UnsupportedOperationException("No class implements ExecutionTimeSubject correctly!");
+    }
+
+    public void setExecutionTimeMultiplier(String option){
+        throw new UnsupportedOperationException("No class implements ExecutionTimeSubject correctly!");
+    }
+    
+    public void resetTotalExecutionTime(){
+        throw new UnsupportedOperationException("No class implements ExecutionTimeSubject correctly!");
+    }
+
+    @Override
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
+    }
+}