private function getLoadStrategyNormalizer()
    {
        return function(Options $options, $value) {
            if (!$value) {
                if ('create' == $this->actionName) {
                    $value = LAGAdminBundle::LOAD_STRATEGY_NONE;
                } elseif ('list' == $this->actionName) {
                    $value = LAGAdminBundle::LOAD_STRATEGY_MULTIPLE;
                } else {
                    $value = LAGAdminBundle::LOAD_STRATEGY_UNIQUE;
                }
            }

            return $value;
        };
    }