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78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
#
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# Copyright (c) 2017 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from enum import Enum
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from typing import Tuple
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from rl_coach.base_parameters import Parameters
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from rl_coach.memories.backend.memory import MemoryBackend
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class MemoryGranularity(Enum):
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Transitions = 0
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Episodes = 1
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class MemoryParameters(Parameters):
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def __init__(self):
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super().__init__()
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self.max_size = None
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self.shared_memory = False
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self.load_memory_from_file_path = None
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@property
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def path(self):
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return 'rl_coach.memories.memory:Memory'
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class Memory(object):
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def __init__(self, max_size: Tuple[MemoryGranularity, int]):
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"""
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:param max_size: the maximum number of objects to hold in the memory
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"""
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self.max_size = max_size
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self._length = 0
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self.memory_backend = None
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def store(self, obj):
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if self.memory_backend:
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self.memory_backend.store(obj)
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def store_episode(self, episode):
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if self.memory_backend:
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self.memory_backend.store(episode)
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def get(self, index):
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raise NotImplementedError("")
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def length(self):
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raise NotImplementedError("")
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def sample(self, size):
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raise NotImplementedError("")
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def clean(self):
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raise NotImplementedError("")
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def set_memory_backend(self, memory_backend: MemoryBackend):
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self.memory_backend = memory_backend
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def num_transitions(self) -> int:
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"""
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Get the number of transitions in the ER
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"""
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raise NotImplementedError("")
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