# Copyright 2021 Sony Corporation.
# Copyright 2021,2022,2023,2024 Sony Group Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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import nnabla as nn
from nnabla_rl.algorithm import AlgorithmConfig
from nnabla_rl.environments.environment_info import EnvironmentInfo
[docs]class SolverBuilder:
"""Solver builder interface class"""
def __call__(self, env_info: EnvironmentInfo, algorithm_config: AlgorithmConfig, **kwargs) -> nn.solver.Solver:
return self.build_solver(env_info, algorithm_config, **kwargs)
[docs] def build_solver(self, env_info: EnvironmentInfo, algorithm_config: AlgorithmConfig, **kwargs) -> nn.solver.Solver:
"""Build solver function
Args:
env_info (:py:class:`EnvironmentInfo <nnabla_rl.environments.environment_info.EnvironmentInfo>`):\
environment information
algorithm_config (:py:class:`AlgorithmConfig <nnabla_rl.algorithm.AlgorithmConfig>`): \
configuration class of the target algorithm
Returns:
Solver: solver instance.
"""
raise NotImplementedError