U cc@szddlZddlmZmZddlmZejrVddlmZmZddl m Z edZ edZ Gd d d e ZGd d d eZdS) N)ABCMetaabstractmethod)DispatchException)UnionTypeVar)RuntimeConfigurationInputOutputc@s eZdZdZeZeddZdS)AbstractRequestDispatcheraDispatcher which handles dispatching input request to the corresponding handler. User needs to implement the dispatch method, to handle the processing of the incoming request in the handler input. A response may be expected out of the dispatch method. cCsdS)a6Dispatches an incoming request to the appropriate request handler and returns the output. :param handler_input: generic input to the dispatcher :type handler_input: Input :return: generic output returned by handler in the dispatcher :rtype: Union[None, Output] N)self handler_inputr r s