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86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <memory>
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#include "index/VectorIndex.h"
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#include "storage/DiskFileManagerImpl.h"
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#include "knowhere/index/vector_index/IndexDiskANN.h"
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#include "knowhere/index/vector_index/IndexDiskANNConfig.h"
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namespace milvus::index {
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#ifdef BUILD_DISK_ANN
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template <typename T>
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class VectorDiskAnnIndex : public VectorIndex {
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public:
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explicit VectorDiskAnnIndex(const IndexType& index_type,
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const MetricType& metric_type,
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const IndexMode& index_mode,
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storage::FileManagerImplPtr file_manager);
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BinarySet
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Serialize(const Config& config) override {
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auto remote_paths_to_size = file_manager_->GetRemotePathsToFileSize();
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BinarySet binary_set;
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for (auto& file : remote_paths_to_size) {
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binary_set.Append(file.first, nullptr, file.second);
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}
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return binary_set;
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}
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int64_t
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Count() override {
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return index_->Count();
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}
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void
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Load(const BinarySet& binary_set /* not used */, const Config& config = {}) override;
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void
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BuildWithDataset(const DatasetPtr& dataset, const Config& config = {}) override;
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std::unique_ptr<SearchResult>
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Query(const DatasetPtr dataset, const SearchInfo& search_info, const BitsetView& bitset) override;
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void
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CleanLocalData() override;
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private:
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knowhere::DiskANNBuildConfig
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parse_build_config(const Config& config);
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knowhere::DiskANNPrepareConfig
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parse_prepare_config(const Config& config);
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void
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parse_config(Config& config);
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private:
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std::unique_ptr<knowhere::IndexDiskANN<T>> index_;
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std::shared_ptr<storage::DiskFileManagerImpl> file_manager_;
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uint32_t search_beamwidth_ = 8;
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};
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template <typename T>
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using VectorDiskAnnIndexPtr = std::unique_ptr<VectorDiskAnnIndex<T>>;
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#endif
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} // namespace milvus::index
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