robokudo.utils.query
====================

.. py:module:: robokudo.utils.query


Classes
-------

.. autoapisummary::

   robokudo.utils.query.QueryHandler


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

.. py:class:: QueryHandler

   Bases: :py:obj:`object`


   QueryHandler provides an interface to interact with the ROS Action-based query interface.
   This wrapper eases the use of the various Blackboard variables devoted to the communication with the query interface.


   .. py:method:: init_feedback_queue() -> None
      :staticmethod:



   .. py:method:: get_feedback_queue() -> queue.Queue
      :staticmethod:



   .. py:method:: send_feedback(feedback: robokudo_msgs.action.Query.Feedback) -> None
      :staticmethod:


      Add a feedback part of the Query msg to the feedback queue, ready to be sent.



   .. py:method:: send_feedback_str(feedback_str: str) -> None
      :staticmethod:


      Add a simple string to the feedback to the feedback queue, ready to be sent.



   .. py:method:: send_answer(result: robokudo_msgs.action.Query.Result) -> None
      :staticmethod:



   .. py:method:: send_arbitrary_answer(result: robokudo_msgs.action.Query.Result) -> None
      :staticmethod:



   .. py:method:: preempt_requested() -> bool
      :staticmethod:



   .. py:method:: acknowledge_preempt_request() -> None
      :staticmethod: