from __future__ import annotations

from typing import List
from openbench_privacy_preserving_benchmarkin.core import KPIRecord
from openbench_privacy_preserving_benchmarkin.contracts import DataContract


class Adapter:
    """Base adapter interface for data sources."""

    def __init__(self, name: str, contract: DataContract):
        self.name = name
        self.contract = contract

    def collect(self) -> List[KPIRecord]:  # pragma: no cover - abstract in base
        raise NotImplementedError