Shared_Attribute_Callback.h

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#ifndef Shared_Attribute_Callback_h
#define Shared_Attribute_Callback_h
 
// Local includes.
#include "Callback.h"
#if !THINGSBOARD_ENABLE_DYNAMIC
#include "Constants.h"
#endif // !THINGSBOARD_ENABLE_DYNAMIC
 
 
#if !THINGSBOARD_ENABLE_DYNAMIC
template <size_t MaxAttributes = DEFAULT_ATTRIBUTES_AMOUNT>
#endif // !THINGSBOARD_ENABLE_DYNAMIC
class Shared_Attribute_Callback : public Callback<void, JsonObjectConst const &>  {
#if THINGSBOARD_ENABLE_DYNAMIC
    using CString_Container = Container<char const *>;
#else
    using CString_Container = Container<char const *, MaxAttributes>;
#endif // THINGSBOARD_ENABLE_DYNAMIC
 
  public:
    Shared_Attribute_Callback() = default;
 
    template<typename... Args>
    Shared_Attribute_Callback(function callback, Args const &... args)
      : Callback(callback)
      , m_attributes(args...)
    {
        // Nothing to do
    }
 
    ~Shared_Attribute_Callback() override = default;
 
    CString_Container const & Get_Attributes() const {
        return m_attributes;
    }
 
    template<typename... Args>
    void Set_Attributes(Args const &... args) {
        m_attributes.assign(args...);
    }
 
  private:
    CString_Container m_attributes = {}; // Shared attribute we want to subscribe to receive a message if they change
};
 
#endif // Shared_Attribute_Callback