private function loadFilter($class)
    {
        if (isset($this->filtersInstances[$class])) {
            return true;
        }

        $filter = $this->objectsFactory->buildFilter($class, $this->loadedConfigurator);

        if ($filter === false) {
            $this->loadedLogger->warning('Could not load ' . $class . ' filter.');

            return false;
        }

        $this->filtersInstances[$class] = $filter;
        $this->loadedLogger->debug('Filter ' . $class . ' found & loaded.');

        return true;
    }