public function initialize()
    {
        if ($this->initialized) {
            throw new Exception('The Reflection Service can only be initialized once.', 1232044696);
        }
        $frameworkConfiguration = $this->configurationManager->getConfiguration(\TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface::CONFIGURATION_TYPE_FRAMEWORK);
        $this->cacheIdentifier = 'ReflectionData_' . $frameworkConfiguration['extensionName'];
        $this->loadFromCache();
        $this->initialized = true;
    }