# 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
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Dict, Optional
from monai.deploy.exceptions import UnknownTypeError
from .datastore import Datastore
from .memory import MemoryDatastore
[docs]class DatastoreFactory:
"""DatastoreFactory is an abstract class that provides a way to create a datastore object."""
NAMES = ["memory"]
DEFAULT = "memory"
[docs] @staticmethod
def create(datastore_type: str, datastore_params: Optional[Dict] = None) -> Datastore:
"""Creates a datastore object.
Args:
datastore_type (str): A type of the datastore.
datastore_params (Dict): A dictionary of parameters of the datastore.
Returns:
Datastore: A datastore object.
"""
datastore_params = datastore_params or {}
if datastore_type == "memory":
return MemoryDatastore(**datastore_params)
else:
raise UnknownTypeError(f"Unknown datastore type: {datastore_type}")