Program Listing for File kernel.h

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#ifndef MINDSPORE_INCLUDE_API_KERNEL_H
#define MINDSPORE_INCLUDE_API_KERNEL_H
#include <vector>
#include <string>
#include <utility>
#include <map>
#include "schema/model_generated.h"
#include "include/api/types.h"
#include "include/api/context.h"

namespace mindspore::kernel {
class  Kernel {
 public:
  Kernel() = default;
  Kernel(const std::vector<mindspore::MSTensor> &inputs, const std::vector<mindspore::MSTensor> &outputs,
         const schema::Primitive *primitive, const mindspore::Context *ctx)
      : context_(ctx), inputs_(std::move(inputs)), outputs_(std::move(outputs)), primitive_(primitive) {
    Initialize();
  }
  virtual ~Kernel() = default;
  virtual int Prepare() = 0;
  virtual int Execute() = 0;
  virtual int ReSize() = 0;
  virtual void set_inputs(const std::vector<mindspore::MSTensor> &in_tensors) { this->inputs_ = in_tensors; }
  virtual void set_input(mindspore::MSTensor in_tensor, int index) { this->inputs_[index] = in_tensor; }
  virtual void set_outputs(const std::vector<mindspore::MSTensor> &out_tensors) { this->outputs_ = out_tensors; }
  virtual void set_output(mindspore::MSTensor out_tensor, int index) { this->outputs_[index] = out_tensor; }
  virtual const std::vector<mindspore::MSTensor> &inputs() { return this->inputs_; }
  virtual const std::vector<mindspore::MSTensor> &outputs() { return this->outputs_; }
  std::string name() const { return this->name_; }
  void set_name(const std::string &name) { this->name_ = name; }
  const mindspore::Context *context() const { return this->context_; }
  virtual schema::PrimitiveType type() const { return type_; }
  const schema::Primitive *primitive() const { return this->primitive_; }
  std::string GetAttr(const std::string &key) const {
    auto iter = attrs_.find(key);
    if (iter != attrs_.end()) {
      return iter->second;
    }
    return "";
  }

 protected:
  void SetAttr(const std::string &key, const std::string &value) { attrs_[key] = value; }

 protected:
  std::string name_;
  const mindspore::Context *context_ = nullptr;
  std::vector<mindspore::MSTensor> inputs_;
  std::vector<mindspore::MSTensor> outputs_;
  schema::PrimitiveType type_ = schema::PrimitiveType_NONE;
  const schema::Primitive *primitive_ = nullptr;
  std::map<std::string, std::string> attrs_;

 private:
  void Initialize();
};
}  // namespace mindspore::kernel

#endif  // MINDSPORE_INCLUDE_API_KERNEL_H