SerializationMethods.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#ifndef O2_FRAMEWORK_SERIALIZATIONMETHODS_H_
#define O2_FRAMEWORK_SERIALIZATIONMETHODS_H_
 
 
#include "Framework/TypeTraits.h"
#include <TClass.h>
 
namespace o2::framework
{
 
template <typename T, typename HintType = void>
  requires(!std::is_pointer_v<T> && (std::same_as<HintType, const char> ||
                                     std::same_as<HintType, TClass> ||
                                     std::is_void_v<HintType>))
class ROOTSerialized
{
 public:
  using non_messageable = o2::framework::MarkAsNonMessageable;
  using wrapped_type = T;
  using hint_type = HintType;
 
  ROOTSerialized() = delete;
  ROOTSerialized(wrapped_type& ref, hint_type* hint = nullptr) : mRef(ref), mHint(hint) {}
 
  T& operator()() { return mRef; }
  T const& operator()() const { return mRef; }
 
  hint_type* getHint() const { return mHint; }
 
 private:
  wrapped_type& mRef;
  hint_type* mHint; // optional hint e.g. class info or class name
};
 
template <typename T, typename HintType = void>
  requires(!std::is_pointer_v<T> && (std::same_as<HintType, const char> ||
                                     std::same_as<HintType, TClass> ||
                                     std::is_void_v<HintType>))
class CCDBSerialized
{
 public:
  using non_messageable = o2::framework::MarkAsNonMessageable;
  using wrapped_type = T;
  using hint_type = HintType;
 
  CCDBSerialized() = delete;
  CCDBSerialized(wrapped_type& ref, hint_type* hint = nullptr) : mRef(ref), mHint(hint) {}
 
  T& operator()() { return mRef; }
  T const& operator()() const { return mRef; }
 
  hint_type* getHint() const { return mHint; }
 
 private:
  wrapped_type& mRef;
  hint_type* mHint; // optional hint e.g. class info or class name
};
 
} // namespace o2::framework
#endif // O2_FRAMEWORK_SERIALIZATIONMETHODS_H_