# Copyright 2025 ADA Reseach Group and VERONA council. All Rights Reserved.
#
# 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 abc import ABC, abstractmethod

from typing_extensions import Self

from ada_verona.database.dataset.data_point import DataPoint


class ExperimentDataset(ABC):
    @abstractmethod
    def __len__(self) -> int:
        raise NotImplementedError("This is an abstract method and should be implemented in subclasses.")
       
    @abstractmethod
    def __getitem__(self, idx: int) -> DataPoint:
        raise NotImplementedError("This is an abstract method and should be implemented in subclasses.")
  

    @abstractmethod
    def get_subset(self, indices: list[int]) -> Self:
        raise NotImplementedError("This is an abstract method and should be implemented in subclasses.")
       
