core.feature_handler
====================

.. py:module:: core.feature_handler

.. autoapi-nested-parse::

   Interface to build feature vector for neural-based user simulator.



Attributes
----------

.. autoapisummary::

   core.feature_handler.FeatureVector
   core.feature_handler.FeatureMask


Classes
-------

.. autoapisummary::

   core.feature_handler.FeatureHandler


Module Contents
---------------

.. py:data:: FeatureVector

.. py:data:: FeatureMask

.. py:class:: FeatureHandler

   Bases: :py:obj:`abc.ABC`


   Helper class that provides a standard way to create an ABC using
   inheritance.


   .. py:method:: build_input_vector(utterance: dialoguekit.core.annotated_utterance.AnnotatedUtterance, **kwargs) -> Tuple[FeatureVector, FeatureMask]
      :abstractmethod:


      Builds the input vector for a given utterance.

      :param utterance: Annotated utterance.
      :param kwargs: Additional arguments.

      :raises NotImplementedError: If not implemented in derived class.

      :returns: Input vector and mask.