addon_manager.h

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#ifndef __COMMON_ADDONS_MANAGER_H__
#define __COMMON_ADDONS_MANAGER_H__

#include <opc/common/addons_core/addon_parameters.h>
#include <opc/common/class_pointers.h>
#include <opc/common/interface.h>
#include <opc/common/logger.h>
#include <string>
#include <vector>

namespace Common
{
typedef std::string AddonId;

class Addon;
class AddonFactory;

struct AddonInformation
{
  AddonId Id;
  std::shared_ptr<AddonFactory> Factory;
  std::vector<AddonId> Dependencies;
  AddonParameters Parameters;
};

class AddonsManager : private Interface
{
public:
  DEFINE_CLASS_POINTERS(AddonsManager)

public:
  AddonsManager(const Logger::SharedPtr & logger): Logger(logger) {}

  virtual void Register(const AddonInformation & caddonConfiguration) = 0;

  virtual void Unregister(const AddonId & id) = 0;


  virtual std::shared_ptr<Addon> GetAddon(const AddonId & id) const = 0;

  virtual std::shared_ptr<Addon> GetAddon(const char id[]) const
  {
    return GetAddon(AddonId(id));
  }

  template <class AddonClass>
  typename std::shared_ptr<AddonClass> GetAddon(const AddonId & id) const;

//    template <class AddonClass>
//    typename std::shared_ptr<AddonClass> GetAddon(const char* id) const;

  template <class AddonClass>
  typename std::shared_ptr<AddonClass> GetAddon(const char id[]) const;


  virtual void Start(/*const AddonsConfiguration& config*/) = 0;

  // @brief Stopping all addons;
  virtual void Stop() = 0;

  virtual const Logger::SharedPtr & GetLogger() const { return Logger; }

protected:
  Logger::SharedPtr Logger;
};


AddonsManager::UniquePtr CreateAddonsManager(const Common::Logger::SharedPtr & logger);

template <class AddonClass>
typename std::shared_ptr<AddonClass> AddonsManager::GetAddon(const AddonId & id) const
{
  return std::dynamic_pointer_cast<AddonClass>(GetAddon(id));
}

template <class AddonClass>
typename std::shared_ptr<AddonClass> AddonsManager::GetAddon(const char id[]) const
{
  return std::dynamic_pointer_cast<AddonClass>(GetAddon(AddonId(id)));
}


} // namespace Common

#endif // __COMMON_ADDONS_MANAGER_H__