56 lines
1.4 KiB
Python
56 lines
1.4 KiB
Python
from abc import ABC, abstractmethod
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from datetime import datetime
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import xml.etree.ElementTree as ET
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class Entry(ABC):
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"""
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Abstract base class for all entry types in the working memory.
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"""
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def __init__(self, id: str, timestamp: datetime):
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"""
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Initialize a new entry with provided id and timestamp.
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Args:
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id: Unique identifier for this entry
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timestamp: Creation timestamp for this entry
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"""
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self._id = id
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self._timestamp = timestamp
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@property
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def id(self) -> str:
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"""Get entry's unique identifier."""
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return self._id
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@property
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def timestamp(self) -> datetime:
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"""Get entry's creation timestamp."""
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return self._timestamp
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@abstractmethod
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def update(self) -> None:
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"""
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Update the entry's state.
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Must be implemented by concrete classes.
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"""
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pass
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@abstractmethod
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def generate_context(self) -> ET.Element:
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"""
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Generate an XML Element representing this entry's context.
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Must be implemented by concrete classes.
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Returns:
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ET.Element: XML element containing the entry's data
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"""
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pass
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def cleanup(self) -> None:
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"""
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Clean up any resources used by this entry.
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Should be overridden by classes that need cleanup.
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Default implementation does nothing.
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"""
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pass |