:py:mod:`fragile.callbacks.data_tracking`
=========================================

.. py:module:: fragile.callbacks.data_tracking


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

Classes
~~~~~~~

.. autoapisummary::

   fragile.callbacks.data_tracking.StoreInitAction
   fragile.callbacks.data_tracking.TrackWalkersId
   fragile.callbacks.data_tracking.KeepBestN




.. py:class:: StoreInitAction(swarm = None, param_dict = None, inputs = None, outputs = None)

   Bases: :py:obj:`fragile.core.api_classes.Callback`

   The :class:`Walkers` is a data structure that takes care of all the data involved     in making a Swarm evolve.

   .. py:attribute:: name
      :annotation: = store_init_action

      

   .. py:attribute:: default_inputs
      

      

   .. py:attribute:: default_outputs
      :annotation: = ['init_actions']

      

   .. py:method:: param_dict()
      :property:

      Return the dictionary defining all the data attributes that the component requires.


   .. py:method:: before_env()



.. py:class:: TrackWalkersId(swarm = None, param_dict = None, inputs = None, outputs = None)

   Bases: :py:obj:`fragile.core.api_classes.Callback`

   The :class:`Walkers` is a data structure that takes care of all the data involved     in making a Swarm evolve.

   .. py:attribute:: default_inputs
      

      

   .. py:attribute:: default_param_dict
      

      

   .. py:method:: update_ids(inactives = True)


   .. py:method:: after_env()



.. py:class:: KeepBestN(n_keep, always_update = False, fix_walkers = True, **kwargs)

   Bases: :py:obj:`fragile.core.api_classes.Callback`

   The :class:`Walkers` is a data structure that takes care of all the data involved     in making a Swarm evolve.

   .. py:attribute:: name
      :annotation: = keep_best_n

      

   .. py:method:: setup(swarm)

      Prepare the component during the setup phase of the :class:`Swarm`.


   .. py:method:: reset(*args, **kwargs)

      Reset the internal state of the :class:`SwarmComponent`.

      :param inplace: Unused. Defaults to True.
      :type inplace: bool, optional
      :param root_walker: Set the internal state of
                          the :class:`SwarmComponent` to this value. Defaults to None.
      :type root_walker: Optional[StateData], optional
      :param states: Set the internal state of the
                     :class:`SwarmComponent` to this value. Defaults to None.
      :type states: Optional[StateData], optional
      :param kwargs: Other parameters required to reset the component.


   .. py:method:: before_walkers()


   .. py:method:: get_topk_walkers()


   .. py:method:: update_top_walkers()


   .. py:method:: fix_topk_walkers()


   .. py:method:: after_walkers()