no_default_engine_op.h

#ifndef CAFFE2_OPERATORS_NO_DEFAULT_ENGINE_OP_H_
#define CAFFE2_OPERATORS_NO_DEFAULT_ENGINE_OP_H_

#include "caffe2/core/context.h"
#include "caffe2/core/logging.h"
#include "caffe2/core/operator.h"

namespace caffe2 {

template <class Context>
class NoDefaultEngineOp final : public Operator<Context> {
 public:
  USE_SIMPLE_CTOR_DTOR(NoDefaultEngineOp);
  USE_OPERATOR_CONTEXT_FUNCTIONS;

  bool RunOnDevice() override {
    CAFFE_THROW(
        "The operator ",
        this->debug_def().type(),
        " does not have a default engine implementation. Please "
        "specify an engine explicitly for this operator.");
  }
};

} // namespace caffe2

#endif // CAFFE2_OPERATORS_NO_DEFAULT_ENGINE_OP_H_