channel_descriptor.h

// Copyright Maciej Sobczak 2008-2022.
// This file is part of YAMI4.
// See the package-level LICENSE.txt file.
 
#ifndef YAMICORE_CHANNEL_DESCRIPTOR_H_INCLUDED
#define YAMICORE_CHANNEL_DESCRIPTOR_H_INCLUDED
 
#include "dll.h"
 
#include <cstddef>
 
namespace yami
{
 
namespace core
{
 
class DLL channel_descriptor
{
public:
    channel_descriptor()
        : index_(0), sequence_number_(0)
    {
    }
 
    // used internally to create the descriptor that is then
    // returned to the user code
    channel_descriptor(std::size_t index, std::size_t sequence_number)
        : index_(index), sequence_number_(sequence_number)
    {
    }
 
    // used internally
    void get_details(std::size_t & index, std::size_t & sequence_number) const
    {
        index = index_;
        sequence_number = sequence_number_;
    }
 
    bool operator==(const channel_descriptor & other) const
    {
        return index_ == other.index_ &&
            sequence_number_ == other.sequence_number_;
    }
 
    bool operator!=(const channel_descriptor & other) const
    {
        return (*this == other) == false;
    }
 
private:
    std::size_t index_;
    std::size_t sequence_number_;
};
 
} // namespace core
 
} // namespace yami
 
#endif // YAMICORE_CHANNEL_DESCRIPTOR_H_INCLUDED