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33 lines
724 B
Python
33 lines
724 B
Python
import abc
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class Serializable(metaclass=abc.ABCMeta):
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"""
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Abstract Base Class that defines an API to save an object's state and restore it later on.
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"""
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@classmethod
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@abc.abstractmethod
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def from_state(cls, state):
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"""
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Create a new object from the given state.
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"""
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raise NotImplementedError()
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@abc.abstractmethod
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def get_state(self):
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"""
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Retrieve object state.
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"""
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raise NotImplementedError()
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@abc.abstractmethod
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def set_state(self, state):
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"""
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Set object state to the given state.
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"""
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raise NotImplementedError()
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def copy(self):
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return self.from_state(self.get_state())
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