1 /* 2 * Copyright (c) 2018-2019,2021 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_GRAPH_ITENSOR_ACCESSOR_H 25 #define ARM_COMPUTE_GRAPH_ITENSOR_ACCESSOR_H 26 27 #include "arm_compute/core/ITensor.h" 28 29 #include <memory> 30 31 namespace arm_compute 32 { 33 namespace graph 34 { 35 /** Tensor accessor interface */ 36 class ITensorAccessor 37 { 38 public: 39 /** Default virtual destructor */ 40 virtual ~ITensorAccessor() = default; 41 /** Interface to be implemented to access a given tensor 42 * 43 * @param[in] tensor Tensor to be accessed 44 * 45 * @return True if access is successful else false 46 */ 47 virtual bool access_tensor(ITensor &tensor) = 0; 48 /** Returns true if the tensor data is being accessed 49 * 50 * @return True if the tensor data is being accessed by the accessor. False otherwise 51 */ access_tensor_data()52 virtual bool access_tensor_data() 53 { 54 return true; 55 } 56 }; 57 58 using ITensorAccessorUPtr = std::unique_ptr<ITensorAccessor>; 59 } // namespace graph 60 } // namespace arm_compute 61 #endif /* ARM_COMPUTE_GRAPH_SUB_STREAM_H */