public void setLevelNodeNavigator(urakawa.navigation.AbstractFilterNavigator newValue)
 {
     if (newValue == null)
     {
         throw new exception.MethodParameterIsNullException(
                   "The LevelNodeNavigator can not be null");
     }
     mLevelNodeNavigator = newValue;
 }
 public void setPageNodeNavigator(urakawa.navigation.AbstractFilterNavigator newValue)
 {
     mPageNodeNavigator = newValue;
 }