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- /*
- * Tencent is pleased to support the open source community by making wwsearch
- * available.
- *
- * Copyright (C) 2018-present Tencent. 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
- *
- * https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
- #pragma once
- #include "doc_iterator.h"
- #include "storage_type.h"
- #include "weight.h"
- namespace wwsearch {
- class Weight;
- /* Notice : The interface is used to get DocID list.
- * Input : Weight
- * Output : Doc id list
- * Getting doc id list by calling weight.
- * This `Scorer` class supports extending to score the doc id output or not.
- */
- class Scorer {
- private:
- Weight *weight_;
- std::string scorer_name_;
- public:
- Scorer(Weight *weight, const std::string &scorer_name)
- : weight_(weight), scorer_name_(scorer_name) {}
- virtual ~Scorer() {}
- virtual DocumentID DocID() = 0;
- virtual double Score() = 0;
- inline const std::string &Name() const { return scorer_name_; }
- virtual DocIdSetIterator &Iterator() = 0;
- inline Weight *GetWeight() { return this->weight_; }
- private:
- };
- class BulkScorer {
- private:
- public:
- virtual ~BulkScorer() {}
- private:
- };
- } // namespace wwsearch
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