public function setCacheTemplate($name, $options)
    {
        if ($options instanceof Zend_Config) {
            $options = $options->toArray();
        } elseif (!is_array($options)) {
            // require_once 'Zend/Cache/Exception.php';
            throw new Zend_Cache_Exception('Options passed must be in'
                . ' an associative array or instance of Zend_Config');
        }
        $this->_optionTemplates[$name] = $options;
        return $this;
    }