improved performance of KinematicUnitObserver

source/RobotAPI/components/units/KinematicUnitObserver.cpp

@@ -260,12 +260,13 @@ void KinematicUnitObserver::reportJointStatuses(const NameStatusMap& jointStatus
 void KinematicUnitObserver::nameValueMapToDataFields(const std::string& channelName, const NameValueMap& nameValueMap)
 {
     NameValueMap::const_iterator iter = nameValueMap.begin();
-
+    StringVariantBaseMap map;
     while (iter != nameValueMap.end())
     {
-        setDataFieldFlatCopy(channelName, iter->first, new Variant(iter->second));
+        map[iter->first] = new Variant(iter->second);
         iter++;
     }
+    setDataFieldsFlatCopy(channelName, map);
 }
 
 PropertyDefinitionsPtr KinematicUnitObserver::createPropertyDefinitions()