1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HETERNEURAL_NETWORK_OPS_REGISTRY_H
17 #define HETERNEURAL_NETWORK_OPS_REGISTRY_H
18 
19 #include <functional>
20 #include <memory>
21 #include <unordered_map>
22 
23 #include "ops_builder.h"
24 #include "interfaces/kits/c/neural_network_runtime/neural_network_runtime.h"
25 
26 namespace OHOS {
27 namespace NeuralNetworkRuntime {
28 namespace Ops {
29 class OpsRegistry {
30 public:
31     struct Registrar {
32         Registrar() = delete;
33         Registrar(OH_NN_OperationType opsType, std::function<std::unique_ptr<OpsBuilder>()> createFunc);
34     };
35 
36 public:
37     static OpsRegistry& GetSingleton();
38     std::unique_ptr<OpsBuilder> GetOpsBuilder(OH_NN_OperationType type) const;
39 
40 private:
OpsRegistry()41     OpsRegistry() {};
42     OpsRegistry(const OpsRegistry&) = delete;
43     OpsRegistry& operator=(const OpsRegistry&) = delete;
44 
45 private:
46     std::unordered_map<OH_NN_OperationType, std::function<std::unique_ptr<OpsBuilder>()>> m_opsRegedit;
47 };
48 
49 #define CREATE_FUNC(T) ([]()->std::unique_ptr<OpsBuilder> {return std::make_unique<T>();})
50 #define REGISTER_OPS(T, opsType) static OpsRegistry::Registrar g_##T(opsType, CREATE_FUNC(T))
51 } // namespace Ops
52 } // namespace NeuralNetworkRuntime
53 } // namespcae OHOS
54 #endif // HETERNEURAL_NETWORK_OPS_REGISTRY_H