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49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License
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#pragma once
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#include <string>
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#include "common/type_c.h"
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#include "index/Index.h"
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#include "index/ScalarIndex.h"
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#include "index/StringIndex.h"
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namespace milvus::scalar {
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class IndexFactory {
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public:
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IndexFactory() = default;
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IndexFactory(const IndexFactory&) = delete;
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IndexFactory
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operator=(const IndexFactory&) = delete;
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public:
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static IndexFactory&
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GetInstance() {
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// thread-safe enough after c++ 11
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static IndexFactory instance;
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return instance;
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}
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IndexBasePtr
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CreateIndex(CDataType dtype, const std::string& index_type);
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template <typename T>
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ScalarIndexPtr<T>
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CreateIndex(const std::string& index_type);
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};
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} // namespace milvus::scalar
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#include "index/IndexFactory-inl.h"
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