FateWithShellmiaoComment/Fate/python/federatedml/statistic/intersect/raw_intersect/raw_intersect_host.py

#
#  Copyright 2021 The FATE Authors. 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.
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from federatedml.statistic.intersect.raw_intersect.raw_intersect_base import RawIntersect
from federatedml.util import consts, LOGGER


class RawIntersectionHost(RawIntersect):
    def __init__(self):
        super().__init__()
        self.role = consts.HOST

    def run_intersect(self, data_instances):
        LOGGER.info("Start raw intersection")

        if self.join_role == consts.GUEST:
            intersect_ids = self.intersect_send_id(data_instances)
        elif self.join_role == consts.HOST:
            intersect_ids = self.intersect_join_id(data_instances)
        else:
            raise ValueError("Unknown intersect join role, please check job configuration")

        return intersect_ids