NEML2Object.h

// Copyright 2024, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
// OPEN SOURCE LICENSE (MIT)
//
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// of this software and associated documentation files (the "Software"), to deal
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// furnished to do so, subject to the following conditions:
//
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//
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#pragma once
 
#include "neml2/base/OptionSet.h"
 
// Registry.h is included here because it is needed for the factory pattern, i.e., for the
// register_NEML2_object macros
#include "neml2/base/Registry.h"
 
namespace neml2
{
class NEML2Object
{
public:
  static OptionSet expected_options();
 
  NEML2Object() = delete;
  NEML2Object(NEML2Object &&) = delete;
  NEML2Object(const NEML2Object &) = delete;
  NEML2Object & operator=(NEML2Object &&) = delete;
  NEML2Object & operator=(const NEML2Object &) = delete;
  virtual ~NEML2Object() = default;

  NEML2Object(const OptionSet & options);
 
  const OptionSet & input_options() const { return _input_options; }

  virtual void setup() {}

  const std::string & name() const { return _input_options.name(); }
  const std::string & type() const { return _input_options.type(); }
  const std::string & path() const { return _input_options.path(); }
  const std::string & doc() const { return _input_options.doc(); }

  template <typename T = NEML2Object>
  const T * host() const;

  template <typename T = NEML2Object>
  T * host();
 
private:
  const OptionSet _input_options;

  NEML2Object * _host;
};
class NEML2Object {…};
 
template <typename T>
const T *
NEML2Object::host() const
{
  auto host_ptr = dynamic_cast<const T *>(_host ? _host : this);
  neml_assert(host_ptr, "Internal error: Failed to retrieve host of object ", name());
  return host_ptr;
}
NEML2Object::host() const {…}
 
template <typename T>
T *
NEML2Object::host()
{
  auto host_ptr = dynamic_cast<T *>(_host ? _host : this);
  if (!host_ptr)
    throw NEMLException("Internal error: Failed to retrieve host of object " + name());
  return host_ptr;
}
NEML2Object::host() {…}
} // namespace neml2