APIElementId.h

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#ifndef _APIElementId_H_
#define _APIElementId_H_

#include <map>
#include <set>
#include <list>
#include <vector>
namespace AnyCAD{ namespace API
{
    class AnyPlatformAPI_API ElementId
    {
    public:
        explicit ElementId(int id);
        ElementId();
        
        static const ElementId InvalidId;

        int AsInt() const {return m_Value;}

        bool IsValid() const;

        bool operator<(const ElementId& other) const { return m_Value < other.m_Value;}
        bool operator>(const ElementId& other) const { return m_Value > other.m_Value;}
        bool operator==(const ElementId& other) const { return m_Value == other.m_Value;}
        bool operator!=(const ElementId& other) const { return m_Value != other.m_Value;}
        bool operator>=(const ElementId& other) const { return m_Value >= other.m_Value;}
        bool operator<=(const ElementId& other) const { return m_Value <= other.m_Value;}
        ElementId& operator++(){ ++m_Value; return *this;}

        friend std::istream& operator >>(std::istream& is, ElementId& id);
    private:
        int m_Value;
    };

    inline std::ostream& operator << ( std::ostream& os, const ElementId& id)
    {
        os << id.AsInt();
        return os;
    }
    inline std::istream& operator >>(std::istream& is, ElementId& id)
    {
        is >> id.m_Value;
        return is;
    }


   typedef std::set<ElementId> ElementIdSet;
   typedef std::vector<ElementId> ElementIdList;
   typedef std::map<ElementId, ElementId> ElementIdMap;

}}

#endif //_APIElementId_H_