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/*
* Copyright (c) 2018-2019 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_TENSOR_H
#define ARM_COMPUTE_GRAPH_TENSOR_H
#include "arm_compute/graph/Types.h"
#include "arm_compute/graph/ITensorAccessor.h"
#include "arm_compute/graph/ITensorHandle.h"
#include "arm_compute/graph/TensorDescriptor.h"
#include <memory>
#include <set>
namespace arm_compute
{
namespace graph
{
/** Tensor object **/
class Tensor final
{
public:
/** Default constructor
*
* @param[in] id Tensor ID
* @param[in] desc Tensor information
*/
Tensor(TensorID id, TensorDescriptor desc);
/** Tensor ID accessor
*
* @return Tensor ID
*/
TensorID id() const;
/** TensorInfo metadata accessor
*
* @return Tensor descriptor metadata
*/
TensorDescriptor &desc();
/** TensorInfo metadata accessor
*
* @return Tensor descriptor metadata
*/
const TensorDescriptor &desc() const;
/** Sets the backend tensor
*
* @param[in] backend_tensor Backend tensor to set
*/
void set_handle(std::unique_ptr<ITensorHandle> backend_tensor);
/** Backend tensor handle accessor
*
* @return Backend tensor handle
*/
ITensorHandle *handle();
/** Sets the backend tensor accessor
*
* @param[in] accessor Accessor to set
*/
void set_accessor(std::unique_ptr<ITensorAccessor> accessor);
/** Backend tensor accessor
*
* @return Backend tensor accessor
*/
ITensorAccessor *accessor();
/** Extracts accessor from the tensor
*
* @warning Accessor gets unbound from the tensor
*
* @return The accessor of the tensor
*/
std::unique_ptr<ITensorAccessor> extract_accessor();
/** Calls accessor on tensor
*
* @return True if the accessor was called else false
*/
bool call_accessor();
/** Binds the tensor with an edge
*
* @param[in] eid Edge ID that is bound to the tensor
*/
void bind_edge(EdgeID eid);
/** Unbinds an edge from a tensor
*
* @param[in] eid Edge to unbind
*/
void unbind_edge(EdgeID eid);
/** Accessor the edges that are bound with the tensor
*
* @return Bound edges
*/
std::set<EdgeID> bound_edges() const;
private:
TensorID _id; /**< Tensor id */
TensorDescriptor _desc; /**< Tensor metadata */
std::unique_ptr<ITensorHandle> _handle; /**< Tensor Handle */
std::unique_ptr<ITensorAccessor> _accessor; /**< Tensor Accessor */
std::set<EdgeID> _bound_edges; /**< Edges bound to this tensor */
};
} // namespace graph
} // namespace arm_compute
#endif /* ARM_COMPUTE_GRAPH_TENSOR_H */
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