/**
  * Init cache object
  *
  * @param string|array $name
  * @return Cola_Com_Cache
  */
 public function initCache($name = null)
 {
     if (empty($name)) {
         $name = $this->_cacheConfig;
     }
     $this->_cache = Cola_Com::cache($name);
     return $this;
 }
 /**
  * Init Cola_Com_Cache
  *
  * @param mixed $name
  * @return Cola_Com_Cache
  */
 public function cache($name = '_cache')
 {
     return Cola_Com::cache($name);
 }