slight changes to package structure + naming

src/main/java/mops/gruppen2/domain/Aggregate.java

@@ -0,0 +1,23 @@
+package mops.gruppen2.domain;
+
+import mops.gruppen2.domain.event.Event;
+
+import java.lang.reflect.Method;
+
+public abstract class Aggregate {
+
+    /**
+     * Ruft die spezifische applyEvent-Methode im entsprechenden Aggregat auf.
+     *
+     * @param event
+     */
+    public void applyEvent(Event event) {
+        try {
+            Method method = this.getClass().getDeclaredMethod("applyEvent", event.getClass());
+            method.setAccessible(true);
+            method.invoke(this, event);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}