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#
# 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
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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from typing import Any, Callable, List
[docs]class EventPubSub:
[docs] def subscribe(self, topics: List[str], callback: Callable[[str, Any, "DataBus"], None]) -> None:
"""
Subscribe a callback function to one or more topics.
Args:
topics (List[str]): A list of topics to subscribe to.
callback (Callable): The callback function to be called when messages are published to the subscribed topics.
"""
[docs] def publish(self, topics: List[str], datum: Any) -> None:
"""
Publish a message to one or more topics, notifying all subscribed callbacks.
Args:
topics (List[str]): A list of topics to publish the message to.
datum (Any): The message to be published to the specified topics.
"""