public function getTranslatorService()
    {
        if (is_null($this->_translatorService)) {
            $translator = new ZendTranslator();
            $translator->addTranslationFilePattern(
                $this->type,
                $this->basePath,
                '%s/'.$this->getMessageFile(),
                $this->domain
            );
            $this->_translatorService = $translator;
        }
        return $this->_translatorService;
    }