Make default mediator implementation non-abstract

Author: pcastornii

patternfx-core/src/main/java/com/techsenger/patternfx/core/AbstractChildComponent.java

@@ -26,7 +26,7 @@
 public abstract class AbstractChildComponent<T extends AbstractChildView<?, ?>> extends AbstractParentComponent<T>
         implements ChildComponent<T> {
 
-    protected abstract class Mediator extends AbstractParentComponent.Mediator implements ChildMediator {
+    protected class Mediator extends AbstractParentComponent.Mediator implements ChildMediator {
 
         private final ReadOnlyObjectWrapper<ParentViewModel> parent = new ReadOnlyObjectWrapper<>();
 

patternfx-core/src/main/java/com/techsenger/patternfx/core/AbstractComponent.java

@@ -42,7 +42,7 @@ public static void setLogDelimiter(String logDelimiter) {
         AbstractComponent.logDelimiter = logDelimiter;
     }
 
-    protected abstract class Mediator implements ComponentMediator {
+    protected class Mediator implements ComponentMediator {
 
         private final AbstractComponent<?> component = AbstractComponent.this;
 

patternfx-core/src/main/java/com/techsenger/patternfx/core/AbstractParentComponent.java

@@ -29,7 +29,7 @@
 public abstract class AbstractParentComponent<T extends AbstractParentView<?, ?>> extends AbstractComponent<T>
         implements ParentComponent<T> {
 
-    protected abstract class Mediator extends AbstractComponent.Mediator implements ParentMediator {
+    protected class Mediator extends AbstractComponent.Mediator implements ParentMediator {
 
         private final ListBinder childrenBinder;
 

patternfx-demo/src/main/java/com/techsenger/patternfx/demo/PersonDialogComponent.java

@@ -36,6 +36,6 @@ public ComponentName getName() {
 
     @Override
     protected Mediator createMediator() {
-        return new AbstractParentComponent.Mediator() { };
+        return new AbstractParentComponent.Mediator();
     }
 }