Class ReferenceCountItem

kdevplatform/serialization/referencecounting.cpp:91–140

}

struct ReferenceCountItem
{
    ///Item entries:
    ReferenceCountItem(uint id, uint target) : m_id(id)
        , m_targetId(target)
    {
    }

    ReferenceCountItem& operator=(const ReferenceCountItem& rhs) = delete;

    //Every item has to implement this function, and return a valid hash.
    //Must be exactly the same hash value as ReferenceCountItemRequest::hash() has returned while creating the item.
    unsigned int hash() const
    {
        return KDevHash() << m_id << m_targetId;
    }

    //Every item has to implement this function, and return the complete size this item takes in memory.
    //Must be exactly the same value as ReferenceCountItemRequest::itemSize() has returned while creating the item.
    unsigned short int itemSize() const
    {
        return sizeof(ReferenceCountItem);
    }

    uint m_id;
    uint m_targetId;

    ///Request entries:
    enum {
        AverageSize = 8
    };

    void createItem(ReferenceCountItem* item) const
    {
        * item = *this;
    }
    static void destroy(ReferenceCountItem* /*item*/, AbstractItemRepository&)
    {
    }

    static bool persistent(const ReferenceCountItem*)
    {
        return true;
    }

    bool equals(const ReferenceCountItem* item) const
    {
        return m_id == item->m_id && m_targetId == item->m_targetId;
    }
};

static RepositoryManager<ItemRepository<ReferenceCountItem, ReferenceCountItem, false, true,
        sizeof(ReferenceCountItem)>, false>& references()