milvus/internal/core/src/index/IndexFactory.h
yah01 99e0f1e65a
enhance: unable to compile C++ tests (#29616)
The tests need to call a private method, Milvus uses `#define` to
replace private with public, the hack trick works but would be broken if
the including order changed.

This uses friend to make all things work well

Signed-off-by: yah01 <yang.cen@zilliz.com>
Signed-off-by: yah01 <yah2er0ne@outlook.com>
2024-01-04 13:20:46 +08:00

118 lines
4.0 KiB
C++

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#pragma once
#include <memory>
#include <string>
#include <mutex>
#include <shared_mutex>
#include "common/type_c.h"
#include "index/Index.h"
#include "index/ScalarIndex.h"
#include "index/VectorIndex.h"
#include "index/IndexInfo.h"
#include "storage/Types.h"
#include "storage/FileManager.h"
#include "index/StringIndexMarisa.h"
#include "index/ScalarIndexSort.h"
#include "index/StringIndexMarisa.h"
#include "index/BoolIndex.h"
#include "storage/space.h"
namespace milvus::index {
class IndexFactory {
public:
IndexFactory() = default;
IndexFactory(const IndexFactory&) = delete;
IndexFactory
operator=(const IndexFactory&) = delete;
public:
static IndexFactory&
GetInstance() {
// thread-safe enough after c++ 11
static IndexFactory instance;
return instance;
}
IndexBasePtr
CreateIndex(const CreateIndexInfo& create_index_info,
const storage::FileManagerContext& file_manager_context);
IndexBasePtr
CreateIndex(const CreateIndexInfo& create_index_info,
const storage::FileManagerContext& file_manager_context,
std::shared_ptr<milvus_storage::Space> space);
IndexBasePtr
CreateVectorIndex(const CreateIndexInfo& create_index_info,
const storage::FileManagerContext& file_manager_context);
IndexBasePtr
CreateScalarIndex(const CreateIndexInfo& create_index_info,
const storage::FileManagerContext& file_manager_context =
storage::FileManagerContext());
IndexBasePtr
CreateVectorIndex(const CreateIndexInfo& create_index_info,
const storage::FileManagerContext& file_manager_context,
std::shared_ptr<milvus_storage::Space> space);
IndexBasePtr
CreateScalarIndex(const CreateIndexInfo& create_index_info,
const storage::FileManagerContext& file_manager_context,
std::shared_ptr<milvus_storage::Space> space);
// IndexBasePtr
// CreateIndex(DataType dtype, const IndexType& index_type);
private:
FRIEND_TEST(StringIndexMarisaTest, Reverse);
template <typename T>
ScalarIndexPtr<T>
CreateScalarIndex(const IndexType& index_type,
const storage::FileManagerContext& file_manager =
storage::FileManagerContext(),
DataType d_type = DataType::NONE);
template <typename T>
ScalarIndexPtr<T>
CreateScalarIndex(const IndexType& index_type,
const storage::FileManagerContext& file_manager,
std::shared_ptr<milvus_storage::Space> space,
DataType d_type = DataType::NONE);
};
// template <>
// ScalarIndexPtr<std::string>
// IndexFactory::CreateScalarIndex<std::string>(
// const IndexType& index_type,
// const storage::FileManagerContext& file_manager_context,
// DataType d_type);
template <>
ScalarIndexPtr<std::string>
IndexFactory::CreateScalarIndex<std::string>(
const IndexType& index_type,
const storage::FileManagerContext& file_manager_context,
std::shared_ptr<milvus_storage::Space> space,
DataType d_type);
} // namespace milvus::index