MethodResult.h

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#ifndef SDBUS_CXX_METHODRESULT_H_
#define SDBUS_CXX_METHODRESULT_H_
 
#include <sdbus-c++/Message.h>
 
#include <cassert>
 
// Forward declarations
namespace sdbus {
    class Error;
} // namespace sdbus
 
namespace sdbus {
 
    /********************************************/
    template <typename... Results>
    class Result
    {
    public:
        Result() = default;
        explicit Result(MethodCall call);
 
        Result(const Result&) = delete;
        Result& operator=(const Result&) = delete;
 
        Result(Result&& other) = default;
        Result& operator=(Result&& other) = default;
 
        ~Result() = default;
 
        void returnResults(const Results&... results) const;
        void returnError(const Error& error) const;
 
    private:
        MethodCall call_;
    };
 
    template <typename... Results>
    inline Result<Results...>::Result(MethodCall call)
        : call_(std::move(call))
    {
    }
 
    template <typename... Results>
    inline void Result<Results...>::returnResults(const Results&... results) const
    {
        assert(call_.isValid());
        auto reply = call_.createReply();
        (void)(reply << ... << results);
        reply.send();
    }
 
    template <typename... Results>
    inline void Result<Results...>::returnError(const Error& error) const
    {
        auto reply = call_.createErrorReply(error);
        reply.send();
    }
 
} // namespace sdbus
 
#endif /* SDBUS_CXX_METHODRESULT_H_ */