1 /*
2  * Copyright (c) 2023 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 NEURAL_NETWORK_RUNTIME_TENSOR_H
17 #define NEURAL_NETWORK_RUNTIME_TENSOR_H
18 
19 #include <memory>
20 #include "tensor_desc.h"
21 
22 namespace OHOS {
23 namespace NeuralNetworkRuntime {
24 class Tensor {
25 public:
26     Tensor() = default;
27     Tensor(size_t backendID);
28     virtual ~Tensor() = default;
29 
30     virtual OH_NN_ReturnCode SetTensorDesc(const TensorDesc* tensorDesc) = 0;
31     virtual OH_NN_ReturnCode CreateData() = 0;
32     virtual OH_NN_ReturnCode CreateData(size_t size) = 0;
33     virtual OH_NN_ReturnCode CreateData(int fd, size_t size, size_t offset) = 0;
34 
35     virtual TensorDesc* GetTensorDesc() const = 0;
36     virtual void* GetData() const = 0;
37     virtual int GetFd() const = 0;
38     virtual size_t GetSize() const = 0;
39     virtual size_t GetOffset() const = 0;
40     virtual size_t GetBackendID() const = 0;
41 };
42 }  // namespace NeuralNetworkRuntime
43 }  // namespace OHOS
44 #endif  // NEURAL_NETWORK_RUNTIME_TENSOR_H