Utility/DBConfigure.php
protected static function _getEngine() {
		if (!self::$_Engine) {
			self::$_Engine = ClassRegistry::init('DBConfigure.' . self::$_EngineName);
		}

		return self::$_Engine;
	}
protected static function _getEngine() {
		if (!self::$_Engine) {
			self::$_Engine = ClassRegistry::init('DBConfigure.' . self::$_EngineName);
		}

		return self::$_Engine;
	}
protected static function _getEngine ( ) { if ( ! self :: $ _Engine ) { self :: $ _Engine = ClassRegistry :: init ( 'DBConfigure.' . self :: $ _EngineName ) ; } return self :: $ _Engine ; }
Return engine instance

@return object
Return engine instance