# 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,
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from nnabla_rl.algorithm import Algorithm, AlgorithmConfig
from nnabla_rl.environment_explorer import EnvironmentExplorer
from nnabla_rl.environments.environment_info import EnvironmentInfo
[docs]class ExplorerBuilder(object):
"""Explorer builder interface class"""
def __call__(
self, env_info: EnvironmentInfo, algorithm_config: AlgorithmConfig, algorithm: Algorithm, **kwargs
) -> EnvironmentExplorer:
return self.build_explorer(env_info, algorithm_config, algorithm, **kwargs)
[docs] def build_explorer(
self, env_info: EnvironmentInfo, algorithm_config: AlgorithmConfig, algorithm: Algorithm, **kwargs
) -> EnvironmentExplorer:
"""Build explorer.
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 target algorithm. Actual type differs depending on the algorithm.
algorithm (:py:class:`Algorithm <nnabla_rl.algorithm.Algorithm>`): \
target algorithm. Actual type differs depending on the algorithm.
Returns:
EnvironmentExplorer: explorer instance.
"""
raise NotImplementedError