public function isApplicable($relativePath)
    {
        $xincluded = array();
        /** @var Element $xincludeElement */
        foreach ($this->getQtiModel()->getComposingElements('oat\taoQtiItem\model\qti\Xinclude') as $xincludeElement) {
            $xincluded[] = $xincludeElement->attr('href');
            \common_Logger::i("Xinclude component found in resource '" .
                $this->getQtiModel()->getIdentifier() . "' with href '" . $xincludeElement->attr('href') . "'.");
        }

        return (!empty($this->sharedStorage) && in_array($relativePath, $xincluded));
    }