#pragma once

#include <iosfwd>

namespace sp {

template <typename TMessageID, typename THandler>
class MessageBase {
  public:
	using HandlerType = THandler;
	using MessageIdType = TMessageID;

	MessageBase() {}
	virtual ~MessageBase() {}

	virtual MessageIdType GetId() const = 0;

	virtual void Dispatch(HandlerType& handler) const = 0;

	virtual void Read(std::istream& a_Is) = 0;
	virtual void Write(std::ostream& a_Os) const = 0;
};

}  // namespace sp