:class:`EventHandler`
=====================

.. py:class:: ansys.dpf.core.session.EventHandler(session)

   Bases: :py:obj:`EventHandlerBase`


   Handle events for a server session, including operator tracking and workflow progress updates.

   Manages the listening of events and operator addition to workflows during execution.



.. py:currentmodule:: EventHandler

Overview
--------

.. tab-set::



   .. tab-item:: Methods

      .. list-table::
          :header-rows: 0
          :widths: auto

          * - :py:attr:`~start_listening`
            - Start listening for events from the server session.
          * - :py:attr:`~add_operator`
            - Add an operator to a workflow in the server session.



   .. tab-item:: Attributes

      .. list-table::
          :header-rows: 0
          :widths: auto

          * - :py:attr:`~bar`
            - 
          * - :py:attr:`~started_operators`
            - 
          * - :py:attr:`~finished_operators`
            - 
          * - :py:attr:`~py_obj`
            - 






Import detail
-------------

.. code-block:: python

    from ansys.dpf.core.session import EventHandler


Attribute detail
----------------

.. py:attribute:: bar
   :value: None


.. py:attribute:: started_operators
   :value: 0


.. py:attribute:: finished_operators
   :value: 0


.. py:attribute:: py_obj



Method detail
-------------

.. py:method:: start_listening()

   Start listening for events from the server session.

   Displays a progress bar if available and initializes operator tracking.

   This method prepares the progress bar and resets counters for started and
   finished operators.

   :rtype: None


.. py:method:: add_operator(operator, pin, identifier)

   Add an operator to a workflow in the server session.