/**
* Returns cache lifetime in seconds
*
* @return int Longevity of cache key in seconds
*/
public function getCacheLifetime()
{
/* get Magento's standard cache key info */
$cacheKeyLifetime = parent::getCacheLifetime();
return $this->_getDispatcherHelper()->dispatchEvent('catalog_product_new_get_cache_lifetime', $cacheKeyLifetime, 'cache_lifetime');
}
