SDK:

- Use read mutex when checking SceneExplorerProperty value, not just write mutex when writing

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10115 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-core/src/com/jme3/gde/core/properties/SceneExplorerProperty.java

@@ -121,6 +121,8 @@ public class SceneExplorerProperty<T> extends PropertySupport.Reflection<T> {
             return;
         }
         final T realValue = getSuperValue();
+        mutex.readAccess(new Runnable() {
+            public void run() {
                 if ((objectLocal == null) && !inited) {
                     mutex.postWriteRequest(new Runnable() {
                         public void run() {
@@ -150,6 +152,8 @@ public class SceneExplorerProperty<T> extends PropertySupport.Reflection<T> {
                     });
                 }
             }
+        });
+    }
 
     @Override
     public T getValue() throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {