Source code for gemseo.utils.derivatives.factory

# Copyright 2021 IRT Saint Exupéry, https://www.irt-saintexupery.com
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License version 3 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
"""A factory of gradient approximators."""

from __future__ import annotations

from typing import TYPE_CHECKING

from gemseo.core.base_factory import BaseFactory
from gemseo.utils.derivatives.base_gradient_approximator import BaseGradientApproximator

if TYPE_CHECKING:
    from gemseo.core.base_factory import _ClassInfo




class GradientApproximatorFactory(BaseFactory[BaseGradientApproximator]):
    """A factory of gradient approximators."""

    _CLASS = BaseGradientApproximator
    _PACKAGE_NAMES = ("gemseo.utils.derivatives",)

    @property
    def _names_to_class_info(self) -> dict[str, _ClassInfo[BaseGradientApproximator]]:
        names_to_class_info = super()._names_to_class_info
        for class_info in tuple(names_to_class_info.values()):
            approximation_mode = class_info.class_._APPROXIMATION_MODE
            names_to_class_info[approximation_mode] = class_info
        return names_to_class_info