private function updateInitializedPropertyValue($propertyName, $value)
    {
        if (empty($this->_collectionsItemNames['byProperty'][$propertyName])) {
            $this->updatePropertyAssociation($propertyName, array("oldValue" => null, "newValue" => $value));
        } else {
            foreach ($value as $newValue) {
                $this->updatePropertyAssociation($propertyName, array("oldValue" => null, "newValue" => $newValue));
            }
        }
    }