Source code for monai.deploy.core.datastores.datastore

# Copyright 2021 MONAI Consortium
# 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
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.

from abc import ABC, abstractmethod
from typing import Any, Hashable, KeysView, Optional

[docs]class Datastore(ABC): """Base class for data store."""
[docs] @abstractmethod def get(self, key: Hashable, def_val: Optional[Any] = None) -> Any: """Get value from the data store. Args: key (Hashable): A key to get. Returns: value (Any): A value from the data store. """ pass
[docs] @abstractmethod def put(self, key: Hashable, value: Any): """Put value into the data store. Args: key (Hashable): A key to put. value (Any): A value to put. """ pass
[docs] @abstractmethod def delete(self, key: Hashable): """Delete value from the data store. Args: key (Hashable): A key to delete. """ pass
[docs] @abstractmethod def exists(self, key: Hashable) -> bool: """Check if key exists in data store. Args: key (Hashable): A key to check. Returns: exists (bool): True if key exists, False otherwise. """ pass
[docs] @abstractmethod def size(self) -> int: """Get size of data store. Returns: size (int): A size of data store. """ pass
[docs] @abstractmethod def keys(self) -> KeysView: """Get keys from data store. Returns: keys (KeysView): A view of keys. """ pass