# Tencent is pleased to support the open source community by making GNES available.
#
# Copyright (C) 2019 THL A29 Limited, a Tencent company. 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 typing import List
from ..base import BaseReduceRouter
from ...proto import gnes_pb2
[docs]class DocFillRouter(BaseReduceRouter):
[docs] def apply(self, msg: 'gnes_pb2.Message', accum_msgs: List['gnes_pb2.Message'], *args, **kwargs):
final_docs = []
for idx, r in enumerate(msg.response.search.topk_results):
# get result from all shards, some may return None, we only take the first non-None doc
final_docs.append([m.response.search.topk_results[idx] for m in accum_msgs if
m.response.search.topk_results[idx].doc.WhichOneof('raw_data') is not None][0])
# resort all doc result as the doc_weight has been applied
final_docs = sorted(final_docs, key=lambda x: x.score, reverse=True)
msg.response.search.ClearField('topk_results')
msg.response.search.topk_results.extend(final_docs[:msg.response.search.top_k])
super().apply(msg, accum_msgs)