| /* |
| * Copyright (c) 2017 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_GRAPH_NODE_CONTEXT_H__ |
| #define __ARM_COMPUTE_GRAPH_NODE_CONTEXT_H__ |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/graph/NodeParameter.h" |
| #include "arm_compute/graph/Types.h" |
| #include "support/ToolchainSupport.h" |
| |
| #include <map> |
| #include <memory> |
| #include <string> |
| |
| namespace arm_compute |
| { |
| namespace graph |
| { |
| /** Node Context class |
| * |
| * Node context class is used to hold all the parameters required by a node to execute |
| */ |
| class NodeContext |
| { |
| public: |
| /** Default Constructor |
| * |
| * @param[in] operation Name of the operation |
| */ |
| NodeContext(OperationType operation) |
| : _operation(operation), _target(TargetHint::DONT_CARE), _inputs(), _outputs(), _parameters() {}; |
| /** Sets the execution target of the node |
| * |
| * @param[in] target Execution target of the node |
| */ |
| void set_target(TargetHint target); |
| /** Adds an input tensor to the context |
| * |
| * @param[in] input Input to add |
| */ |
| void add_input(arm_compute::ITensor *input); |
| /** Adds and output to the context |
| * |
| * @param[in] output Output to add |
| */ |
| void add_output(arm_compute::ITensor *output); |
| /** Adds a parameter to the context |
| * |
| * @param[in] name Parameter name |
| * @param[in] parameter Parameter to add |
| */ |
| template <typename T> |
| void add_parameter(std::string name, T parameter); |
| /** Returns the operation of this node. |
| * |
| * @return The operation type |
| */ |
| OperationType operation() const; |
| /** Returns the execution target of this node |
| * |
| * @return The execution target |
| */ |
| TargetHint target() const; |
| /** Returns input tensor of a given index |
| * |
| * @param[in] idx Index of the input tensor |
| * |
| * @return A pointer the requested input tensor else nullptr |
| */ |
| arm_compute::ITensor *input(size_t idx) const; |
| /** Returns output tensor of a given index |
| * |
| * @param[in] idx Index of the output tensor |
| * |
| * @return A pointer the requested output tensor else nullptr |
| */ |
| arm_compute::ITensor *output(size_t idx) const; |
| /** Returns the parameter with the given name |
| * |
| * @param[in] name Parameter name |
| * |
| * @return The requested parameter else an empty object |
| */ |
| template <typename T> |
| T parameter(std::string name) const; |
| /** Returns number of inputs |
| * |
| * @return Number of inputs |
| */ |
| size_t num_inputs() const; |
| /** Returns number of output |
| * |
| * @return Number of outputs |
| */ |
| size_t num_outputs() const; |
| |
| private: |
| OperationType _operation; |
| TargetHint _target; |
| std::vector<arm_compute::ITensor *> _inputs; |
| std::vector<arm_compute::ITensor *> _outputs; |
| std::map<std::string, std::unique_ptr<NodeParameterBase>> _parameters; |
| }; |
| |
| template <typename T> |
| inline void NodeContext::add_parameter(std::string name, T parameter) |
| { |
| ARM_COMPUTE_ERROR_ON_MSG(_parameters.find(name) != _parameters.end(), "Parameter already exists!"); |
| _parameters[name] = support::cpp14::make_unique<NodeParameter<T>>(name, parameter); |
| } |
| |
| template <typename T> |
| inline T NodeContext::parameter(std::string name) const |
| { |
| auto it = _parameters.find(name); |
| ARM_COMPUTE_ERROR_ON(it == _parameters.end()); |
| return static_cast<NodeParameter<T> *>(it->second.get())->value(); |
| } |
| } // namespace graph |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_GRAPH_NODE_CONTEXT_H__ */ |