/**
* Returns an instance of class (singleton pattern implementation).
*
* @return OW_CacheManager
*/
public static function getInstance()
{
if (self::$classInstance === null) {
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* @return OW_CacheManager
*/
public static function getCacheManager()
{
return OW_CacheManager::getInstance();
}