Source code for tfrddlsim.policy.default_policy
# This file is part of tf-rddlsim.
# tf-rddlsim is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
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# GNU General Public License for more details.
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from typing import Sequence
import tensorflow as tf
from rddl2tf.compilers import Compiler
from tfrddlsim.policy.abstract_policy import Policy
[docs]class DefaultPolicy(Policy):
'''DefaultPolicy class.
The default policy returns the default action fluents
regardless of the current state and timestep.
Args:
compiler (:obj:`rddl2tf.compiler.Compiler`): A RDDL2TensorFlow compiler.
batch_size (int): The batch size.
'''
def __init__(self, compiler: Compiler, batch_size: int) -> None:
self._default = compiler.default_action()
[docs] def __call__(self,
state: Sequence[tf.Tensor],
timestep: tf.Tensor) -> Sequence[tf.Tensor]:
'''Returns the default action fluents regardless of the current `state` and `timestep`.
Args:
state (Sequence[tf.Tensor]): The current state fluents.
timestep (tf.Tensor): The current timestep.
Returns:
Sequence[tf.Tensor]: A tuple of action fluents.
'''
return self._default