Source code for jina.executors.evaluators.rank

__copyright__ = "Copyright (c) 2020 Jina AI Limited. All rights reserved."
__license__ = "Apache-2.0"

from typing import Sequence, Any

from .. import BaseEvaluator

[docs]class BaseRankingEvaluator(BaseEvaluator): """A :class:`BaseRankingEvaluator` evaluates the content of matches against the expected GroundTruth. It is used to evaluate messages coming out from Indexers and Rankers and compares matches with groundtruths """
[docs] def evaluate( self, actual: Sequence[Any], desired: Sequence[Any], *args, **kwargs ) -> float: """ " :param actual: the matched document identifiers from the request as matched by jina indexers and rankers :param desired: the expected documents matches ids sorted as they are expected :return the evaluation metric value for the request document """ raise NotImplementedError